Overview
A melting snowpack, which contained anywhere from an inch to well over two inches of water, combined with an extended period of rainfall that dropped 4 to over 6 inches of rain, resulted in extensive flooding across across Michigan, Indiana, and Ohio. The greatest impacts from the flooding occurred across northwestern Indiana into southwestern Lower Michigan where record and even historic river crests were observed. Impacts continued for several days after the rain ended and some residents were unable to return to their homes due to the degree of damage by the flooding.Flooding
The National Weather Service in Northern Indiana (IWX) works with the North Central River Forecast Center (NCRFC) and the Ohio River Forecast Center (OHRFC) to issue river forecasts, watches, warnings, and statements. Within the IWX forecast area, there are several river basins (Fig. 1) that are divided up between the NCRFC/OHRFC (Fig. 2). Within those basins are forecast points (Fig. 3-6). Each of the forecast points, containing river stage observations, flood stage categories, and forecasts can be found on the NWS Advanced Hydrologic Prediction Services (AHPS) page. Hydrographs (fig. 7) are images that depict the current rivers stage and forecast stages over time. The backgrounds are color coded to the flood stage (no flooding, minor, moderate, major) and by their current service forecast or equipment status (no current forecasts, no forecast within selected time frame, out of service, flood category not defined, at or below low water threshold). See figures 7 and 8 for information on how to read a hydrograph and the various color codes used on the page.
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| Fig. 1: River Basins (IWX) | Fig. 2: NCRFC/OHRFC Areas of Responsibility. | Fig. 3: Kankakee River Basin & Forecast Points | Fig. 4: St. Joseph River Basin & Forecast Points |
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| Fig. 5: Maumee River Basin & Forecast Points | Fig. 6: Upper Wabash River Basin & Forecast Points | Fig. 7: How to read a hydrograph on the AHPS page (AHPS Reference) | Fig. 8: Flood category definitions and color categories on the hydrograph background. (AHPS Reference) |
Kankakee River Basin
Hydrographs from the Kankakee River Basin during this event are shown below. Many rivers in this basin reached major flood stage. The Yellow River at Plymouth (Fig. 10) set a new record crest level at 17.65 feet surpassing the old record crest of 17.13 feet, which occurred on October 12, 1954. Figure 12 shows what Plymouth, IN looked like during the daytime on February 22, 2018 when major flooding was ongoing, and the river was around 17.5 feet.
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| Fig. 9: Kankakee River at Davis (DAVI3). Hydrograph through the evening on Thursday Feb 25, 2018 | Fig. 10: Yellow River at Plymouth (PYMI3). Hydrograph through the evening on Thursday Feb 25, 2018 | Fig. 11: Yellow River at Knox (KNXI3). Hydrograph through the evening on Thursday Feb 25, 2018 | Fig. 12: Flooding in Plymouth, IN during the day on Thursday February 22, 2018. From NWS IWX Survey. |
St. Joseph River Basin
Hydrographs from the St. Joseph River Basin are shown below. Several of the rivers on this basin broke the previous record crests-some by as much as two feet! At Niles (NILM4-Fig. 13), the St. Joseph River crested at 17.33 feet, which breaks the previous record of 15.10 set on April 5, 1950! Similarly, at South Bend, the river crest reached 12.70 feet, which breaks the previous record of 10.90 feet on January 6, 1993. Last but certainly not least, the Elkhart River at Goshen, IN crested at 12.49 feet, which breaks the previous record of 11.94 feet, which occurred in 1982. The St. Joseph River at Motville, Michigan crested at 10.17 feet, which puts it in third place behind records set in April 1950 (first place) and 1989 (second place). At Three Rivers, MI the St. Joseph River crested at 11.3 feet, which is just shy of the 11.8 ft record, set on June 3, 1989. That puts this crest at second place.
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| Fig. 13: St. Joseph River at Niles, MI (NILM4). Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 14: St. Joseph River at South Bend, IN (SBSI3). Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 15: Elkhart River at Goshen, IN (GSHI3) Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 16: St. Joseph River at Elkhart, IN (EKMI3). Hydrograph through the afternoon on Thursday Feb 25, 2018 |
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| Fig. 17: St. Joseph River at Mottville, MI (MOTM4). Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 18: St. Joseph River at Three Rivers, MI (TRVM4). Hydrograph through the afternoon on Thursday February 25, 2018 | Fig. 19: Flooding in Niles, MI during the day on February 21, 2018 (NWS IWX Survey). | Fig. 20: Flooding in South Bend, IN during the day on February 21, 2018 (NWS IWX Survey). |
Upper Wabash River Basin
Select hydrographs from the Upper Wabash River Basin are shown below. As of 10 pm February 22, 2018, Tippecanoe river at Winamac crested at 15.16 feet, just below the record of 15.69 feet back in March 2009 and Ora, IN crested at 15.60 feet, just below above the current records of 15.72 feet set in March, 2009. Figure 24 shows flooding on the Tippecanoe River near Ora, IN on February 22, 2018. The Eel River at North Manchester reached moderate flood stage before beginning it's descent back into minor flooding.
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| Fig. 21: Tippecanoe River near Ora, IN. Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 22: Tippecanoe River near Winamac, IN. Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 23: Eel River at North Manchester, IN. Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 24: Flooding on the Tippecanoe near Ora, IN on February 22, 2018 (NWS IWX Survey). |
Maumee River Basin
Select hydrographs from the Maumee River Basin are shown below. The St. Joeseph river at Montpelier, OH and at Newville, IN, and the Tiffin river at Stryker, OH crested just below major flood levels at all three sites. The Maumee River near Fort Wayne has crested just below moderate before slowly trending back down.
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| Fig. 17: St. Joseph River near Montpelier, OH (MONO1). Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 18: Tiffin River near Stryker, OH (STRO1). Hydrograph through the afternoon on Thursday Feb 25, 2018 | Fig. 19: St. Joseph River near Newville, IN (NVLI3). Hydrograph through the afternoon on Thursday Feb 25, 2018 |
Fig. 20: Maumee River near Fort Wayne, IN (FTWI3).Hydrograph through the afternoon on Thursday Feb 25, 2018 |
Note: Additional photographs from the event can be found under the "Photos" tab. For current river forecasts and warnings, please visit the AHPS page.
NWUS53 KIWX 220253
LSRIWX
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORTHERN INDIANA
953 PM EST WED FEB 21 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1138 AM FLOOD 3 W INWOOD 41.33N 86.26W
02/21/2018 MARSHALL IN DEPT OF HIGHWAYS
US 6 BETWEEN SR 106 AND SR 19, US 331
BETWEEN US 30 AND SR 106, SR 10 BETWEEN US
331 AND OLD US 31 WERE ALL CLOSED DUE TO
HIGH WATER.
1138 AM FLOOD 2 W GULIVOIRE PARK 41.62N 86.29W
02/21/2018 ST. JOSEPH IN PUBLIC
US 331 BETWEEN US 20 BYPASS AND US 6 AS WELL
AS US 6 BETWEEN SR 23 AND SR 931 (OLD US 31)
WERE ALL CLOSED DUE TO HIGH WATER.
0845 AM FLOOD 2 N WOOSTER 41.24N 85.74W
02/21/2018 KOSCIUSKO IN NWS EMPLOYEE
WATER FLOWING OVER OLD HIGHWAY 13 EAST OF
WARSAW; EXTENSIVE AGRICULTURE FLOODING;
FLOOD WATERS ENCROACHING ON MANY HOMES AND
SOME BUSINESSES IN THE AREA.
0458 PM FLOOD CASSOPOLIS 41.91N 86.01W
02/20/2018 CASS MI BROADCAST MEDIA
NUMEROUS REPORTS OF HIGH WATER AND ROAD
CLOSURES DUE TO FLOODING ACROSS CASS COUNTY.
0450 PM FLOOD 5 SSE JEROME 41.97N 84.42W
02/20/2018 HILLSDALE MI PUBLIC
WATER OVER ROADWAY. WALDRON RD AT NORTH
ADAMS RD.
0400 PM HEAVY RAIN NILES 41.84N 86.27W
02/20/2018 M2.93 INCH BERRIEN MI CO-OP OBSERVER
CO-OP OBSERVER STATION NILM4, NILES.
0346 PM FLOOD 1 WSW NAPPANEE 41.44N 86.00W
02/20/2018 ELKHART IN DEPT OF HIGHWAYS
US 6 BETWEEN SR 19 IN NAPPANEE AND SR 106 IN
BREMEN IS CLOSED DUE TO HIGH WATER.
0344 PM FLOOD 3 NNW ATHENS 41.09N 86.14W
02/20/2018 FULTON IN BROADCAST MEDIA
COUNTY ROAD 275 NORTH, BETWEEN COUNTY ROADS
500 AND 600 EAST CLOSED DUE TO HIGH WATER.
0330 PM FLOOD 2 NW GOSHEN 41.60N 85.86W
02/20/2018 ELKHART IN BROADCAST MEDIA
BAUGO CREEK WATERS ROSE CAUSING CR 28 AND CR
3 TO CLOSE.
0305 PM FLOOD KNOX 41.30N 86.62W
02/20/2018 STARKE IN EMERGENCY MNGR
SEVERAL ROADS EITHER HAD HIGH WATER OR ROAD
CLOSURE SIGNS , ESPECIALLY ACROSS
NORTHEASTERN PORTIONS OF THE COUNTY. THIS
INCLUDES STATE ROUTE 23 BETWEEN STATE ROUTES
8 AND 10 AS WELL AS STATE ROUTE 10 BETWEEN
US 35 AND STATE ROUTE 17.
0217 PM FLOOD 3 W INWOOD 41.33N 86.26W
02/20/2018 MARSHALL IN BROADCAST MEDIA
2B BETWEEN BIRCH AND BEECH RD IS FLOODED.
1ST ROAD BETWEEN MIAMI AND GUMWOOD AS WELL
AS GUMWOOD BETWEEN 5B AND 6B IS ALSO CLOSED
DUE TO FLOODING.
0108 PM FLOOD 1 NE DAYTON 41.81N 86.42W
02/20/2018 BERRIEN MI BROADCAST MEDIA
TWO CARS WERE STRANDED ON E GALIEN BUCHANAN
RD WITH THE ROADWAY FLOODED.
1252 PM FLOOD 2 W GULIVOIRE PARK 41.62N 86.29W
02/20/2018 ST. JOSEPH IN DEPT OF HIGHWAYS
SR 331 BETWEEN US 20 BYPASS AND US 6 WAS
CLOSED.
1252 PM FLOOD 2 WSW KNOX 41.28N 86.65W
02/20/2018 STARKE IN PUBLIC
SR 23 BETWEEN SR 8 AND SR 10 WAS CLOSED AS
WELL AS SR BETWEEN US 35 AND SR 17 WAS
CLOSED.
1152 AM FLOOD SHIPSHEWANA 41.68N 85.58W
02/20/2018 LAGRANGE IN BROADCAST MEDIA
SR 5 IN SHIPSHEWANA WAS CLOSED DUE TO
FLOODING.
0802 AM FLOOD 2 E TRAIL CREEK 41.70N 86.81W
02/20/2018 LA PORTE IN DEPT OF HIGHWAYS
US 20/US 35 RAMP NEAR MICHIGAN CITY AIRPORT
CLOSED DUE TO HIGH WATER. SR 212 AT VIADUCT
NEAR RAILROAD BRIDGE, US 20 AT TRAILER PARK
ENTRANCE NEAR HITCHCOCK, US 20 AT EVERGREEN
PLAZA IN MICHIGAN CITY WERE ALL CLOSED DUE
TO HIGH WATER.
0750 AM FLOOD 2 E TRAIL CREEK 41.70N 86.81W
02/20/2018 LA PORTE IN DEPT OF HIGHWAYS
US 20/US 35 RAMP NEAR MICHIGAN CITY AIRPORT
CLOSED DUE TO HIGH WATER.
0742 AM FLOOD 1 SSE WYATT 41.51N 86.16W
02/20/2018 ST. JOSEPH IN BROADCAST MEDIA
HIGH WATER REPORTED ON BREMEN HIGHWAY
BETWEEN RILEY AND SHIVELY ROAD. ALSO REPORTS
OF SEVERAL CARS REPORTED WASHED OFF THE ROAD
DUE TO HIGH WATER LEVEL OF THE YELLOW RIVER.
SR 331 BETWEEN US 20 BYPASS AND US 6 WAS
CLOSED DUE TO HIGH WATER AND SR 331 AT RILEY
RD IS THE WORST AREA.
0742 AM FLOOD 1 SSE WYATT 41.51N 86.16W
02/20/2018 ST. JOSEPH IN BROADCAST MEDIA
HIGH WATER REPORTED ON BREMEN HIGHWAY
BETWEEN RILEY AND SHIVELY ROAD. ALSO REPORTS
OF SEVERAL CARS REPORTED WASHED OFF THE ROAD
DUE TO HIGH WATER LEVEL OF THE YELLOW RIVER.
&& $$
Photos:
Here are some of the photos we received from the event.
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| Goshen Birth Center, IN (Betsy Black) |
Rogers Park: Goshen, IN (GHS Weather) |
Coldwater, MI (WMMT News Raymond Cyrus) |
Maumee River at River Haven is at 16.8' for this shot. February 20, 2018. (AC Homeland Security) |
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| This car went around barricades & got stuck in high water on SR 331 in St. Joseph County, IN. Luckily the driver is okay. (Northwestern INDOT) |
SR 5 in Shipshewana, IN (Jason Dorrier) |
Yellow River in Plymouth, IN (Jack Garner) |
High Water in Berrien County, MI (Chriss Lyon) |
Radar:
A radar loop of the rain that developed over the area the evening of the 18th into the 21st of February, 2018.
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| Radar Loop |
Rain Reports
Here is a map of the storm totals from February 19th-February 22, 2018 rainfall and flooding event. Below the map, there is a listing of the specific storm totals for all of our counties.
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| Storm Total Precipitation Map: February 19th-22nd, 2018 |
Public Information Statement National Weather Service Northern Indiana 808 PM EST Thu Feb 22 2018 ...Storm Total Rainfall Reports February 19th through the 22nd 2018... Location Amount Time/Date Lat/Lon ...Indiana... ...Adams County... Decatur 2.36 in 0800 AM 02/22 40.85N/84.94W ...Allen County... 2 NW Leo 3.02 in 0800 AM 02/22 41.22N/85.06W 3 ESE Huntertown 2.93 in 0800 AM 02/22 41.21N/85.12W 8 NE Fort Wayne 2.89 in 0800 AM 02/22 41.17N/85.05W 3 NE Fort Wayne 2.86 in 0800 AM 02/22 41.10N/85.12W 4 NE Fort Wayne 2.69 in 0800 AM 02/22 41.12N/85.09W 9 SE Fort Wayne 2.66 in 0800 AM 02/22 40.99N/85.00W 3 WSW Woodburn 2.52 in 0800 AM 02/22 41.12N/84.91W Fort Wayne Int. AP 2.50 in 0100 PM 02/22 41.00N/85.20W Woodburn 2.49 in 0800 AM 02/22 41.16N/84.85W ...Blackford County... 0.3 SSW Hartford City 1.93 in 0700 AM 02/22 40.45N/85.37W 5NW Hartford City 1.92 in 0800 AM 02/22 40.51N/85.43W 1N Hartford City 1.85 in 0800 AM 02/22 40.46N/85.37W Hartford City 1.78 in 0800 AM 02/22 40.44N/85.29W 0.5 SSE Hartford City 1.75 in 0700 AM 02/22 40.45N/85.37W ...Cass County... 2 NNW Logansport 4.29 in 0800 AM 02/22 40.78N/86.37W 1 ESE Galveston 3.66 in 0700 AM 02/22 40.57N/86.17W Young America 2.79 in 0800 AM 02/22 40.57N/86.28W ...De Kalb County... Garrett 3.13 in 0700 AM 02/22 41.34N/85.13W 2 SSW Waterloo 2.93 in 1240 PM 02/22 41.41N/85.04W 1 NE Auburn 2.93 in 0600 AM 02/22 41.37N/85.05W Butler 2.74 in 0700 AM 02/22 41.41N/84.85W ...Elkhart County... Dunlap 7.00 in 0700 AM 02/22 41.64N/85.92W 3 NNE Goshen 5.74 in 0700 AM 02/22 41.61N/85.81W 2 NNE Wakarusa 5.44 in 0700 AM 02/22 41.57N/85.99W 1 N Waterford Mills 5.33 in 0500 AM 02/22 41.56N/85.83W 3 WSW Goshen 5.24 in 0700 AM 02/22 41.56N/85.88W 0.5 SW Millersburg 5.18 in 0700 AM 02/22 41.52N/85.70W 1 SW Goshen 5.15 in 0650 AM 02/22 41.57N/85.85W 1 WNW Jimtown 5.03 in 1253 PM 02/22 41.64N/86.04W Goshen Municipal Airport 4.90 in 0653 AM 02/22 41.53N/85.79W Osceola 4.29 in 0654 PM 02/22 41.60N/86.06W ...Fulton County... Rochester 5.15 in 0700 AM 02/22 41.07N/86.21W 2 NW Rochester 4.72 in 0700 AM 02/22 41.09N/86.23W ...Grant County... Marion 2.44 in 0700 AM 02/22 40.58N/85.66W 6.5 N Marion 2.43 in 0700 AM 02/22 40.64N/85.69W 2N Marion 2.31 in 0700 AM 02/22 40.58N/85.66W 3 NW Shamrock Lakes 1.93 in 0700 AM 02/22 40.45N/85.45W 0.5 NE Fairmount 1.78 in 0700 AM 02/22 40.42N/85.64W 0.3N Gas City 1.69 in 0700 AM 02/22 40.49N/85.61W 0.7 NNE Upland 1.60 in 0700 AM 02/22 40.47N/85.50W ...Huntington County... 3.2 ESE Andrews 2.97 in 0700 AM 02/22 40.84N/85.55W 0.3 W Huntington 2.66 in 0700 AM 02/22 40.88N/85.51W JE Roush Dam 2.49 in 0700 AM 02/22 40.85N/85.47W 2 ENE Warren 2.37 in 0700 AM 02/22 40.70N/85.40W 3 NE Majenica 2.10 in 1253 PM 02/22 40.82N/85.41W Warren 2.00 in 0700 AM 02/22 40.71N/85.45W 2 NW Warren 1.92 in 1145 AM 02/21 40.71N/85.45W ...Jay County... 1 SSW Blaine 1.92 in 0700 AM 02/22 40.39N/85.06W 5.4 SW Portland 1.87 in 0700 AM 02/22 40.39N/85.07W 6.3 SSE Portland 1.18 in 0700 AM 02/22 40.35N/84.05W ...Kosciusko County... Leesburg 5.50 in 1030 AM 02/22 41.34N/85.85W Leesburg 5.00 in 0600 AM 02/22 41.33N/85.85W Lake Wawasee 4.85 in 0800 AM 02/22 41.41N/85.70W 1 SW Sevastopol 4.80 in 1240 PM 02/22 41.11N/86.04W 1 E Winona Lake 4.73 in 0930 AM 02/22 41.22N/85.80W 1 N Milford 4.61 in 0700 AM 02/22 41.42N/85.85W 2 N North Webster 4.54 in 0700 AM 02/22 41.36N/85.70W Northern Indiana WFO 4.38 in 0700 AM 02/22 41.36N/85.70W Warsaw 4.37 in 0700 AM 02/22 41.20N/85.80W James Lake 4.37 in 0700 AM 02/22 41.31N/85.72W 5 SW Warsaw 4.34 in 0600 AM 02/22 41.17N/85.92W 1 SW Syracuse 4.13 in 1254 PM 02/22 41.41N/85.76W 1.4 N Warsaw 3.79 in 0800 AM 02/22 41.26N/85.85W 2 SW Warsaw 3.57 in 1243 PM 02/22 41.21N/85.87W Tippecanoe Lake 3.54 in 1250 PM 02/22 41.33N/85.77W ...La Porte County... 7.3 WNW New Carlisle 6.69 in 0800 AM 02/22 41.75N/86.64W 1 E Hanna 5.92 in 0800 AM 02/22 41.41N/86.76W 3.2 NW La Crosse 5.87 in 1200 PM 02/22 41.35N/86.93W 4.4 ESE Wanatah 5.79 in 0900 AM 02/22 41.41N/86.81W 1.7 SW La Porte 5.67 in 0715 AM 02/22 41.59N/86.74W 1.6 SW La Porte 5.43 in 0700 AM 02/22 41.61N/86.73W 1.3 ENE La Porte 5.43 in 0700 AM 02/22 41.61N/86.69W 1.2 W La Crosse 5.03 in 0700 AM 02/22 41.32N/86.91W 2 WSW Springville 5.00 in 0720 AM 02/22 41.67N/86.78W Hannah 4.93 in 0700 AM 02/22 41.41N/86.78W 3.3 SSE Michigan City 4.65 in 0700 AM 02/22 41.67N/86.86W 1 W Michigan City 4.72 in 1240 PM 02/22 41.71N/86.90W Wanatah 4.55 in 0800 am 02/22 41.43N/86.93W Michigan City 4.30 in 0700 AM 02/22 41.71N/86.86W 1 ENE Fish Lake 3.78 in 1200 PM 02/22 41.58N/86.52W ...LaGrange County... 9.9 E LaGrange 4.23 in 0800 AM 02/22 41.65N/85.23W 6.6 SSW Orland 4.04 in 0800 AM 02/22 41.64N/85.20W ...Marshall County... 4 WSW Bremen 6.07 in 1249 PM 02/22 41.43N/86.23W 2.5 WSW Plymouth 5.87 in 0700 AM 02/22 41.33N/86.36W 1 N Twin Lakes 5.87 in 0700 AM 02/22 41.33N/86.36W Argos 4.90 in 0700 AM 02/22 41.24N/86.25W Plymouth 4.84 in 1250 PM 02/22 41.34N/86.31W ...Miami County... 3 SSE Macy 4.38 in 0900 AM 02/22 40.92N/86.12W 2 E Bunker Hill 4.16 in 1240 PM 02/22 40.65N/86.06W 1 ENE Denver 3.51 in 0730 AM 02/22 40.88N/86.06W Peru 3.01 in 0600 AM 02/22 40.76N/86.07W Mississinewa Lake Dam 2.78 in 0700 AM 02/22 40.71N/85.96W 1 SSW Grissom Afb 2.54 in 0656 AM 02/22 40.65N/86.15W 3 W Amboy 2.19 in 1253 PM 02/22 40.59N/85.98W ...Noble County... Ligonier 4.76 in 1239 PM 02/22 41.46N/85.59W 3 WNW Rome City 3.89 in 0800 AM 02/22 41.51N/85.40W 3.7 S Albion 3.70 in 0930 AM 02/22 41.34N/85.42W 2 NNE Blue Lake 3.68 in 0700 AM 02/22 41.27N/85.35W 1 E Big Lake 2.83 in 1244 PM 02/22 41.28N/85.47W 3 NE Avilla 2.73 in 1240 PM 02/22 41.40N/85.20W ...Pulaski County... Francesville 5.00 in 0900 AM 02/22 40.98N/86.89W Ora 4.20 in 0900 AM 02/22 40.16N/86.56W 1 SSW Ora 4.03 in 1230 PM 02/22 41.16N/86.56W ...St. Joseph County... 1 NW South Bend 7.60 in 1239 PM 02/22 41.69N/86.29W 3.3 SSW South Bend 6.64 in 0700 AM 02/22 41.63N/86.29W 2 ENE Granger 6.20 in 0700 AM 02/22 41.75N/86.11W 4 ENE Walkerton 6.12 in 0700 AM 02/22 41.49N/86.41W 2 SE North Liberty 6.11 in 0700 AM 02/22 41.50N/86.39W 5.7 ENE Walkerton 5.94 in 0700 AM 02/22 41.50N/86.39W 1 ENE Gulivoire Park 5.86 in 0630 AM 02/22 41.62N/86.22W 4.1 NE South Bend 5.73 in 0700 AM 02/22 41.71N/86.21W South Bend Int. AP 5.61 in 0654 AM 02/22 41.71N/86.32W 2 NNE Gulivoire Park 5.56 in 1239 PM 02/22 41.64N/86.24W South Bend 5.03 in 0700 AM 02/22 41.72N/86.22W 2 ESE Mishawaka 5.02 in 1249 PM 02/22 41.65N/86.13W ...Starke County... North Judson 7.18 in 0700 AM 02/22 41.20N/86.85W 1 SSW North Judson 6.39 in 0743 AM 02/22 41.21N/86.78W Knox 6.36 in 0700 AM 02/22 41.30N/86.62W 3 ESE San Pierre 5.99 in 0742 AM 02/22 41.18N/86.83W 3 N Brems 5.98 in 1200 PM 02/22 41.39N/86.71W ...Steuben County... 2 WSW Golden Lake 3.61 in 0800 AM 02/22 41.59N/85.10W 1 W Golden Lake 3.57 in 0800 AM 02/22 41.60N/85.09W Angola 3.48 in 1220 PM 02/22 41.64N/84.99W Angola 3.41 in 1215 PM 02/22 41.63N/85.11W 2 ENE Crooked Lake 3.40 in 0545 AM 02/22 41.70N/84.99W 1 S Angola 3.19 in 0700 AM 02/22 41.62N/85.00W 2 E Hamilton 2.85 in 0700 AM 02/22 41.53N/84.89W ...Wabash County... 0.3 NNW Wabash 3.13 in 0700 AM 02/22 40.80N/85.83W 1 SSW Lagro 2.98 in 0700 AM 02/22 40.82N/85.73W Salamonie Lake Dam 2.52 in 0800 AM 02/22 40.80N/85.68N 1.1 NNW La Fontaine 2.36 in 0700 AM 02/22 40.68N/85.74W 2 ESE Lagro 2.36 in 1215 PM 02/22 40.81N/85.68W 1 SSE Roann 2.27 in 1243 PM 02/22 40.89N/85.92W 2 ESE Somerset 2.24 in 1249 PM 02/22 40.66N/85.79W Lake Salamonie Resevoir 2.38 in 1200 PM 02/22 40.81N/85.68W Wabash 2.01 in 1230 PM 02/22 40.79N/85.82W ...Wells County... 2.4 W Ossian 2.67 in 0700 AM 02/22 40.87N/85.21W 4 NW Uniondale 2.45 in 0700 AM 02/22 40.89N/85.28W Bluffton 2.14 in 0700 AM 02/22 40.73N/85.16W Craigville 2.7 NW 2.09 in 0800 AM 02/22 40.80N/85.13W Bluffton 1.99 in 0818 AM 02/22 40.74N/85.17W ...White County... 5W Chalmers 5.53 in 0600 AM 02/22 40.67N/86.95W Chalmers 5.53 in 0700 AM 02/22 40.66N/86.88W 1 WNW Indiana Beach 5.31 in 1250 PM 02/22 40.80N/86.79W 3 WSW Wolcott 5.04 in 1240 PM 02/22 40.74N/87.09W 1 NNE Monticello 5.01 in 0541 AM 02/22 40.76N/86.76W Monticello 4.30 in 1240 PM 02/22 40.74N/86.77W 10 NNW Burnettsville 3.99 in 0700 AM 02/22 40.90N/86.65W White Cnty Ap 3.90 in 0655 AM 02/22 40.71N/86.77W Norway 2.64 in 1145 AM 02/22 40.78N/86.76W ...Whitley County... 5.4 N Columbia City 3.73 in 0700 AM 02/22 41.24N/85.49W 1 ENE Peabody 3.11 in 0600 AM 02/22 41.09N/85.47W Tri-lakes 2.87 in 1252 PM 02/22 41.22N/85.48W 2 NE Tri-Lakes 2.81 in 1244 PM 02/22 41.25N/85.45W ...Michigan... ...Berrien County... 2.7 W Niles 4.73 in 0700 AM 02/22 41.84N/86.30W 1 ESE Buchanan 4.62 in 0700 AM 02/22 41.82N/86.34W Lakeside 3.99 in 1250 PM 02/22 41.84N/86.67W 1 WNW Buchanan 3.97 in 0600 AM 02/22 41.84N/86.39W Benton Harbor ASOS 3.28 in 0653 AM 02/22 42.13N/86.43W 1.7 SSE Stevensville 3.05 in 0700 AM 02/22 41.99N/86.51W Saint Joseph 2.47 in 1255 PM 02/22 42.10N/86.49W 1.5 SsE Saint Joseph 2.98 in 1200 PM 02/22 42.08N/86.48W 2 E Shoreham 2.08 in 1253 PM 02/22 42.05N/86.47W ...Branch County... 3.5 SE Colon 4.37 in 0700 AM 02/22 41.92N/85.28W ...Cass County... Barron Lake 5.09 in 0600 AM 02/22 41.84N/86.18W Dowagiac 4.36 in 0700 AM 02/22 41.98N/86.13W 2 NW Granger 4.20 in 1235 PM 02/22 41.77N/86.17W ...Hillsdale County... Litchfield 4.21 in 1248 PM 02/22 42.05N/84.75W 1 SSE Montgomery 3.18 in 0800 AM 02/22 41.76N/84.79W Jerome 2.40 in 1252 PM 02/21 42.02N/84.46W ...St. Joseph County... 2 E Constantine 6.09 in 0650 AM 02/22 41.84N/85.63W 3W Three Rivers 4.73 in 0300 PM 02/22 41.94N/85.72W ...Ohio... ...Allen County... Lima WWTP 1.99 in 0800 AM 02/22 40.73N/84.13W 1 WSW Slabtown 1.85 in 0800 AM 02/22 40.77N/84.08W 2.3 ESE Delphos 1.69 in 0800 AM 02/22 40.83N/84.30W Lima Allen County Airport 1.46 in 0653 AM 02/22 40.71N/84.02W Bluffton 1.28 in 1250 PM 02/22 40.89N/83.89W ...Defiance County... Defiance 2.55 in 1200 PM 02/22 41.28N/84.39W Defiance Memorial Airport 2.42 in 0653 AM 02/22 41.34N/84.43W 1 W Ney 2.22 in 0615 AM 02/22 41.38N/84.55W ...Fulton County... Archbold 3.36 in 1239 PM 02/22 41.52N/84.31W 1 NE Tedrow 2.45 in 1247 PM 02/22 41.62N/84.19W 4 ESE Fayette 2.11 in 1200 PM 02/22 41.65N/84.25W Wauseon 2.07 in 1200 PM 02/22 41.55N/84.14W Powers 1.82 in 1200 PM 02/22 41.66N/84.25W ...Henry County... 1 WSW Napoleon 2.38 in 0800 AM 02/22 41.39N/84.14W Gallup 2.36 in 0700 AM 02/22 41.46N/84.15W 3.4 SSE McClure 2.11 IN 0800 AM 02/22 41.33N/83.91W ...Paulding County... Paulding 2.29 in 1200 PM 02/22 41.12N/84.60W Grover Hill 2.29 in 0700 AM 02/22 41.02N/84.48W 1 NW Oakwood 2.04 in 1243 PM 02/22 41.11N/84.40W ...Putnam County... 1 N Ottawa 2.08 in 0700 AM 02/22 41.04N/84.04W Leipsic 1.79 in 1246 PM 02/22 41.10N/83.99W Ottawa 1.74 in 1239 PM 02/22 41.02N/84.05W ...Van Wert County... 1 WNW Van Wert 2.27 in 1239 PM 02/22 40.88N/84.61W Van Wert 2.09 in 0100 PM 02/22 40.87N/84.57W ...Williams County... Alvordton 2.42 in 0700 AM 02/22 41.67N/84.42W 2 SE Bryan 2.30 in 0800 AM 02/22 41.46N/84.53W Bryan 2.30 in 0700 AM 02/22 41.47N/84.53W Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. $$
Environment
A low pressure system transported rich moisture from the Gulf of America into the area. The warm front, which brought record high temperatures to Fort Wayne, IN (max temperature of 70F February 20th, 2018), brought a wide swath of precipitation to the area starting the 19th and through the morning of the 20th, then a cold front brought additional rain through the evening of the 20th. The combination of moisture and lift was sufficient to produce our prolonged rain and flooding event.
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| Figure 1: 850 mb Winds, temps, heights, and dewpoint on February 20th, 2018 (SPC). | Figure 2: Precipitable Water (in) February 20th, 2018 (UNR-UAC) | Figure 3: Precipitable Water (% of Normal) February 20th, 2018 (UNR-UAC) |
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| Figure 4: 850 mb Moisture Transport. Tuesday February 20, 2018 (SPC). | Figure 5: 500 mb Analysis showing the upper level trough (black height lines) and jet (shading, wind barbs). Tuesday February 20th, 2018 (SPC). | Figure 6: Warm air advection Monday Evening February 19, 2018 (SPC). |
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| Figure 7: Surface fronts and pressure Monday February 19, 2018 at 1 pm EST (WPC) | Figure 8: Surface fronts and pressure Tuesday February 20, 2018 at 7 am EST (WPC) | Figure 9: Surface fronts and pressure Tuesday February 20, 2018 at 4 pm EST (WPC) |
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