Review of the October 9th, 2021 Severe Weather Event

Overview

A northeastward moving Quasi-linear Convective System, or QLCS Squall Line, developed in northeast South Dakota and tracked across portions of extreme southeast North Dakota, west-central Minnesota, and into southern portions of northwest Minnesota from mid-afternoon into the evening hours.
The system produced a variety of downburst winds, surface squalls, and several occurrences of vertically elongated squalls which were sustained as brief tornadoes. Rainfall was also notable, with several locations receiving more than one inch.

Tornado
Wind
Photos
Radar
Rainfall

Tornadoes:

Tornado - 7 SSE Lidgerwood
Richland, ND

Date	Oct. 9, 2021
Time (Local)	6:40 PM CDT
EF Rating	EF-0
Est. Peak Winds	70 MPH
Path Length	0.10 mi
Max Width	50 yds
Injuries/Deaths	0/0
Summary: A trained spotter reported and video captured a brief tornado near ND HWY 18. Wind speeds were estimated. This tornado touched down briefly over an open field and tracked for a tenth of a mile or less to the NNE before dissipating.

Track Map

Track Map of the Brief Tornado

Tornado - 1 S Park Rapids
Hubbard, MN

Date	Oct 9, 2021
Time (Local)	10:35 PM CDT
EF Rating	EF-1
Est. Peak Winds	100 MPH
Path Length	0.36 mi
Max Width	150 yds
Injuries/Deaths	0/0
Summary: This tornado touched down to the south and east of the Hwy 71 and Crocus Hill St. roundabout. It tracked first to the northwest, and across the Hwy 71 roundabout onto the Faithbridge Church property, then northward along the alley, and then northeastward onto the Park Rapids Ford property. The tornado uprooted several mature spruce trees in a convergent pattern, it tore out Hwy 71 road sign and deposited it in a hedge some 50 yards to the southwest. It tore off several large metal roof panels off of the church, and the debris loading and wind impacts snapped one wooden power pole. Additional roofing panel and siding were torn from the automobile dealership structure.

Track Map

Track Map

Track Map of the Tornado Path

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak 65-85 mph	EF1 Moderate 86-110 mph	EF2 Significant 111-135 mph	EF3 Severe 136-165 mph	EF4 Extreme 166-200 mph	EF5 Catastrophic 200+ mph

Wind:

Local Storm Reports
601 NWUS53 KFGF 100011 LSRFGF PRELIMINARY LOCAL STORM REPORT...CORRECTED NATIONAL WEATHER SERVICE GRAND FORKS ND 711 PM CDT SAT OCT 9 2021 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0644 PM TSTM WND GST 8 S LIDGERWOOD 45.96N 97.15W 10/09/2021 E70.00 MPH Richland ND TRAINED SPOTTER TRAINED SPOTTER REPORTS 70MPH WIND GUSTS && $$ FGF
425 NWUS53 KFGF 100244 LSRFGF PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE GRAND FORKS ND 944 PM CDT SAT OCT 9 2021 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0733 PM TSTM WND GST 4 W HERMAN 45.81N 96.22W 10/09/2021 M86 MPH Grant MN MESONET HERMAN RWIS REPORTS 86MPH WIND GUST. && $$ FGF
950 NWUS53 KFGF 100033 LSRFGF PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE GRAND FORKS ND 733 PM CDT SAT OCT 9 2021 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0654 PM TSTM WND GST 6 SSW HANKINSON 45.99N 96.94W 10/09/2021 M62 MPH Richland ND MESONET PERSONAL WEATHER STATION SSW OF HANKINSON REPORTS 62MPH WIND GUST && $$ FGF
999 NWUS53 KFGF 100104 LSRFGF PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE GRAND FORKS ND 804 PM CDT SAT OCT 9 2021 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0721 PM TSTM WND GST 3 SW MOORETON 46.24N 96.92W 10/09/2021 M70 MPH Richland ND MESONET MOORETON NDAWN MEASURED 70MPH AT 10 METERS. COURTESY OF NDAWN && $$ FGF
729 NWUS53 KFGF 100234 LSRFGF PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE GRAND FORKS ND 934 PM CDT SAT OCT 9 2021 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0815 PM TSTM WND DMG FERGUS FALLS 46.28N 96.07W 10/09/2021 Otter Tail MN BROADCAST MEDIA REPORTS FROM FERGUSNOW.COM OF SEVERAL TREES DOWN AND ROADS UNPASSABLE IN TOWN. TIME ESTIMATED. && $$ FGF

Photos & Video

Damage from the Park Rapids, MN Tornado:


Damage to the Ford dealership in Park Rapids. Credit: Justin Michael	Damage to Faithbridge Church in Park Rapids	Sheet Metal scattered in the damage path

Photo of the Lidgerwood Tornado


Credit: James Hyde (@wxmeddler)

Radar


GIF of radar as the Park Rapids tornado occurred. Top left: Reflectivity (Z), Top right: Storm Relative Velocity (SRV), Bottom left: Correlation Coefficient (CC), Bottom right: Specific Differential Phase (KDP)	GIF of the progression of the system into the evening via KMVX radar.

Rain Reports

Preliminary Storm Total Map - October 8 - 11, 2021

Preliminary Storm Total Map - October 8 - 11, 2021

Reports separated by county	Highest reports from automated stations
Public Information Statement National Weather Service Grand Forks ND 1253 PM CDT Sun Oct 10 2021 ...PRECIPITATION REPORTS FOR THE PAST 48 HOURS... These reports are preliminary storm totals over the past 48 hours. Some areas may experience additional rainfall today. Location Amount Provider ...Minnesota... ...Becker County... Callaway 7.0 E 3.04 in COCORAHS Park Rapids MN 15.3 NW 1.70 in COCORAHS Detroit Lakes 3.9 WSW 1.62 in COCORAHS Detroit Lakes MN 1 N 1.43 in RAWS Detroit Lakes MN 5.7 N 1.36 in COCORAHS Lake Park MN 7.9 S 1.05 in COCORAHS Lake Park MN 6.0 S 0.97 in COCORAHS Lake Park MN 9.9 S 0.94 in COCORAHS ...Beltrami County... Solway MN 2.1 S 1.36 in COCORAHS Bemidji MN 7.8 ENE 0.98 in COCORAHS Bemidji 2.6 ENE 0.97 in COCORAHS Bemidji 2.6 SSW 0.96 in COCORAHS Bemidji MN 3.5 WSW 0.93 in COCORAHS Turtle River MN 3.6 E 0.65 in COCORAHS Bemidji MN 4.8 NNE 0.50 in COCORAHS ...Clay County... Felton MN 8 NE 1.92 in HADS Felton MN 8 NE 1.91 in HADS Glyndon MN 2 NW 1.12 in HADS Comstock MN 0.1 E 1.07 in COCORAHS Glyndon MN 2 N 1.02 in HADS Moorhead MN 2.8 SW 1.00 in COCORAHS Sabin MN 0.95 in COOP Hawley MN 5.2 WNW 0.71 in COCORAHS ...Clearwater County... Bagley MN 16.6 SSE 1.58 in COCORAHS Highlanding MN 20 E 1.12 in HADS ...Grant County... Kensington MN 4.1 W 2.15 in COCORAHS Hoffman MN 4.0 WSW 2.07 in COCORAHS ...Hubbard County... Park Rapids 2.0 NNW 1.24 in COCORAHS Laporte 12.0 W 1.23 in COCORAHS ...Kittson County... Karlstad MN 0.2 SSW 1.69 in COCORAHS Lake Bronson Dam MN 1.54 in COOP Northcote MN 2 ENE 1.35 in HADS Lancaster MN 1.33 in COOP ...Lake of the Woods County... Baudette AP MN 1.29 in ASOS ...Mahnomen County... Mahnomen 1 SE MN 1.49 in HADS ...Marshall County... Florian MN 1 S 2.05 in HADS Holt MN 15 E 1.87 in RAWS Warren MN 3 ENE 1.43 in HADS Warren MN 6.6 NW 0.88 in COCORAHS ...Otter Tail County... Battle Lake MN 3.3 SSE 1.42 in COCORAHS Battle Lake MN 2.0 S 1.40 in COCORAHS Richville MN 5.8 SSW 1.39 in COCORAHS Richville MN 1.2 NW 1.37 in COCORAHS Perham MN 5.7 E 1.36 in COCORAHS Ottertail MN 1.35 in COOP Clitherall MN 1.1 WSW 1.35 in COCORAHS Deer Creek 0.1 WNW 1.33 in COCORAHS Deer Creek MN 2.0 WSW 1.26 in COCORAHS New York Mills MN 1.18 in COOP Pelican Rapids MN 6.3 NNW 1.16 in COCORAHS Pelican Rapids MN 1.4 W 1.16 in COCORAHS Fergus Falls MN 0.5 E 1.08 in COCORAHS Fergus Falls MN 3 W 1.00 in HADS Fergus Falls MN 5.6 NNE 0.99 in COCORAHS Fergus Falls 0.5 NNW 0.82 in COCORAHS ...Pennington County... Thief River Falls MN 0.3 NW 3.32 in COCORAHS Thief River Falls MN 3.26 in HADS Thief River Falls MN 0.6 NW 2.05 in COCORAHS Thief River Falls AP MN 1.54 in AWOS Goodridge MN 7.4 SW 1.53 in COCORAHS ...Polk County... Crookston MN 0.6 ENE 2.56 in COCORAHS Erksine MN 7.6 SSW 2.44 in COCORAHS Fertile MN 3 WSW 2.40 in HADS Euclid 6.2 NNE 2.15 in COCORAHS Glacial Ridge Portable 1.93 in RAWS Crookston 9.9 E 1.91 in COCORAHS Crookston 8.8 E 1.74 in COCORAHS 4 N East Grand Forks 1.21 in COCORAHS ...Red Lake County... Red Lake Falls MN 2.97 in HADS Brooks MN 3 WNW 1.25 in HADS ...Roseau County... Greenbush MN 1.84 in COOP Roseau MN 0.1 SSW 1.11 in COCORAHS ...Wadena County... Sebeka MN 1.49 in COOP Menahga MN 0.7 N 1.38 in COCORAHS Menahga MN 0.7 N 1.38 in COCORAHS Huntersville MN 3 WNW 1.28 in HADS ...Wilkin County... Breckenridge MN 3 SE 0.96 in COOP ...North Dakota... ...Barnes County... Valley City ND 8 NW 3.38 in HADS Valley City ND 2.0 NW 3.18 in COCORAHS Valley City 2.8 SSE 2.94 in COCORAHS ...Benson County... Fort Totten ND 5 ENE 1.74 in RAWS Leeds ND 4 SE 1.36 in HADS Fort Totten 3.8 NW 1.19 in COCORAHS ...Cass County... Leonard ND 4.7 NNE 1.93 in COCORAHS Durbin ND 5.4 WNW 1.77 in COCORAHS Casselton ND 0.4 ENE 1.48 in COCORAHS Fargo ND 3.7 SSE 1.25 in COCORAHS Fargo ND 7.2 S 1.24 in COCORAHS Fargo ND 2.1 N 1.22 in COCORAHS Fargo ND 4.3 S 1.19 in COCORAHS West Fargo ND 3.8 SSE 1.12 in COCORAHS West Fargo 1.3 SE 1.12 in COCORAHS Fargo ND 4.4 NNE 1.11 in COCORAHS Fargo 3.6 NNE 1.10 in COCORAHS Fargo AP ND 1.01 in ASOS Horace ND 9.3 SSE 0.95 in COCORAHS ...Cavalier County... Langdon ND 1.4 ESE 1.52 in COCORAHS ...Eddy County... Sheyenne ND 2.7 WSW 1.79 in COCORAHS New Rockford ND 4.0 WNW 1.59 in COCORAHS ...Grand Forks County... Larimore ND 0.4 SE 1.87 in COCORAHS Reynolds ND 8.5 ENE 1.69 in COCORAHS Grand Forks AP ND 1.59 in ASOS Grand Forks ND 3.9 N 1.57 in COCORAHS Grand Forks ND 3.7 SSE 1.55 in COCORAHS Grand Forks ND 3.4 SSE 1.50 in COCORAHS Grand Forks ND 2.5 SE 1.44 in COCORAHS Grand Forks 2.6 SE 1.36 in COCORAHS ...Griggs County... Cooperstown 0.4 WNW 2.47 in COCORAHS ...Nelson County... Michigan ND 2.92 in COOP ...Pembina County... Pembina ND 3.65 in COOP Cavalier ND 7 NW 3.18 in COOP Walhalla ND 3.6 SSE 2.80 in COCORAHS Cavalier ND 7.9 WNW 1.02 in COCORAHS ...Ramsey County... Hampden ND 3 SE 3.31 in RAWS ...Ransom County... Lisbon ND 2.79 in COOP Lisbon ND 0.5 ENE 2.61 in COCORAHS Lisbon ND 18 E 1.96 in RAWS ...Richland County... Mcleod ND 3 E 1.52 in COOP Lidgerwood ND 1.26 in COOP Wahpeton ND 1.0 SSE 1.21 in COCORAHS Abercrombie ND 0.2 NW 0.94 in COCORAHS Wahpeton 15.8 NNW 0.83 in COCORAHS ...Steele County... Sharon ND 7.9 ENE 2.18 in COCORAHS Hope ND 5.4 WNW 1.66 in COCORAHS Hatton ND 9.1 WSW 1.58 in COCORAHS ...Traill County... Mayville ND 2.02 in COOP Mayville ND 4.2 SSE 1.70 in COCORAHS Grandin ND 7.1 ENE 1.55 in COCORAHS ...Walsh County... Lankin ND 6 E 2.75 in COOP Grafton ND 6.8 N 2.18 in COCORAHS Oslo MN 2.7 WNW 1.27 in COCORAHS 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. $$	PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE GRAND FORKS ND 446 AM CDT MON OCT 11 2021 ...3 DAY PRECIPITATION REPORTS OVER 2.00 INCHES... LOCATION AMOUNT PROVIDER FINGAL ND 4W 4.81 IN NDAWN HAMPDEN ND 3 SE 4.37 IN RAWS CAVALIER ND 4NNW 3.79 IN NDAWN STIRUM ND 3NE 3.68 IN NDAWN WAUKON MN 3S 3.58 IN NDAWN LISBON ND 2W 3.51 IN NDAWN PILLSBURY 1N 3.49 IN NDAWN CRYSTAL 4NW 3.45 IN NDAWN HUMBOLDT 4SW 3.26 IN NDAWN EDMORE 3NW 3.26 IN NDAWN THIEF RIVER FALLS MN 3.26 IN HADS THIEF RIVER FALLS MN 2W 3.20 IN AWS GONVICK MN 3.09 IN CWOP STEELE 5NW 2.90 IN NDAWN STEPHEN 1NE 2.87 IN NDAWN OAKES 4S 2.86 IN NDAWN FOREST RIVER 7WNW 2.82 IN NDAWN GRAFTON 10E 2.79 IN NDAWN ADAMS 5N 2.74 IN NDAWN FERTILE MN 3 WSW 2.67 IN HADS ST. THOMAS 2WSW 2.62 IN NDAWN AYR 1NW 2.58 IN NDAWN MCHENRY 8N 2.57 IN NDAWN COOPERSTOWN 3W 2.56 IN NDAWN KENNEDY 6W 2.55 IN NDAWN EDGELEY 4SW 2.54 IN NDAWN MARION 2S 2.46 IN NDAWN ARYGLE MN 12 WNW 2.38 IN CWOP INKSTER 3W 2.35 IN NDAWN GALESBURG 4SSW 2.32 IN NDAWN BAKER 1N 2.30 IN NDAWN LEONARD 5N 2.28 IN NDAWN TAPPEN 3NE 2.28 IN NDAWN GLACIAL RIDGE PORTABLE 2.25 IN RAWS FLORIAN MN 1 S 2.20 IN HADS FELTON MN 8 NE 2.07 IN HADS ELDRED 2W 2.06 IN NDAWN MAVIE 3WSW 2.06 IN NDAWN WEBSTER 2N 2.05 IN NDAWN WILLIAMS 6N 2.05 IN NDAWN HILLSBORO 7SE 2.04 IN NDAWN CLYDE 4SW 2.01 IN NDAWN PARKERS PRAIRIE 2NW 2.00 IN NDAWN 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.

Reports separated by county

Highest reports from automated stations


Public Information Statement
National Weather Service Grand Forks ND
1253 PM CDT Sun Oct 10 2021

...PRECIPITATION REPORTS FOR THE PAST 48 HOURS...

These reports are preliminary storm totals over the past
48 hours. Some areas may experience additional rainfall
today.


Location                     Amount     Provider             

...Minnesota...

...Becker County...
Callaway 7.0 E               3.04 in    COCORAHS             
Park Rapids MN 15.3 NW       1.70 in    COCORAHS             
Detroit Lakes 3.9 WSW        1.62 in    COCORAHS             
Detroit Lakes MN 1 N         1.43 in    RAWS                 
Detroit Lakes MN 5.7 N       1.36 in    COCORAHS             
Lake Park MN 7.9 S           1.05 in    COCORAHS             
Lake Park MN 6.0 S           0.97 in    COCORAHS             
Lake Park MN 9.9 S           0.94 in    COCORAHS             

...Beltrami County...
Solway MN 2.1 S              1.36 in    COCORAHS             
Bemidji MN 7.8 ENE           0.98 in    COCORAHS             
Bemidji 2.6 ENE              0.97 in    COCORAHS             
Bemidji 2.6 SSW              0.96 in    COCORAHS             
Bemidji MN 3.5 WSW           0.93 in    COCORAHS             
Turtle River MN 3.6 E        0.65 in    COCORAHS             
Bemidji MN 4.8 NNE           0.50 in    COCORAHS             

...Clay County...
Felton MN 8 NE               1.92 in    HADS                 
Felton MN 8 NE               1.91 in    HADS                 
Glyndon MN 2 NW              1.12 in    HADS                 
Comstock MN 0.1 E            1.07 in    COCORAHS             
Glyndon MN 2 N               1.02 in    HADS                 
Moorhead MN 2.8 SW           1.00 in    COCORAHS             
Sabin MN                     0.95 in    COOP                 
Hawley MN 5.2 WNW            0.71 in    COCORAHS             

...Clearwater County...
Bagley MN 16.6 SSE           1.58 in    COCORAHS             
Highlanding MN 20 E          1.12 in    HADS                 

...Grant County...
Kensington MN 4.1 W          2.15 in    COCORAHS             
Hoffman MN 4.0 WSW            2.07 in    COCORAHS             

...Hubbard County...
Park Rapids 2.0 NNW          1.24 in    COCORAHS             
Laporte 12.0 W               1.23 in    COCORAHS             

...Kittson County...
Karlstad MN 0.2 SSW          1.69 in    COCORAHS             
Lake Bronson Dam MN          1.54 in    COOP                 
Northcote MN 2 ENE           1.35 in    HADS                 
Lancaster MN                 1.33 in    COOP                 

...Lake of the Woods County...
Baudette AP MN               1.29 in    ASOS                 

...Mahnomen County...
Mahnomen 1 SE MN             1.49 in    HADS                 

...Marshall County...
Florian MN 1 S               2.05 in    HADS                 
Holt MN 15 E                 1.87 in    RAWS                 
Warren MN 3 ENE              1.43 in    HADS                 
Warren MN 6.6 NW             0.88 in    COCORAHS             

...Otter Tail County...
Battle Lake MN 3.3 SSE       1.42 in    COCORAHS             
Battle Lake MN 2.0 S         1.40 in    COCORAHS             
Richville MN 5.8 SSW         1.39 in    COCORAHS             
Richville MN 1.2 NW          1.37 in    COCORAHS             
Perham MN 5.7 E              1.36 in    COCORAHS             
Ottertail MN                 1.35 in    COOP                 
Clitherall MN 1.1 WSW        1.35 in    COCORAHS             
Deer Creek 0.1 WNW           1.33 in    COCORAHS             
Deer Creek MN 2.0 WSW        1.26 in    COCORAHS             
New York Mills MN            1.18 in    COOP                 
Pelican Rapids MN 6.3 NNW    1.16 in    COCORAHS             
Pelican Rapids MN 1.4 W      1.16 in    COCORAHS             
Fergus Falls MN 0.5 E        1.08 in    COCORAHS             
Fergus Falls MN 3 W          1.00 in    HADS                 
Fergus Falls MN 5.6 NNE      0.99 in    COCORAHS             
Fergus Falls 0.5 NNW         0.82 in    COCORAHS             

...Pennington County...
Thief River Falls MN 0.3 NW  3.32 in    COCORAHS             
Thief River Falls MN         3.26 in    HADS                 
Thief River Falls MN 0.6 NW  2.05 in    COCORAHS             
Thief River Falls AP MN      1.54 in    AWOS                 
Goodridge MN 7.4 SW          1.53 in    COCORAHS             

...Polk County...
Crookston MN 0.6 ENE         2.56 in    COCORAHS             
Erksine MN 7.6 SSW           2.44 in    COCORAHS             
Fertile MN 3 WSW             2.40 in    HADS                 
Euclid 6.2 NNE               2.15 in    COCORAHS             
Glacial Ridge Portable       1.93 in    RAWS                 
Crookston 9.9 E              1.91 in    COCORAHS             
Crookston 8.8 E              1.74 in    COCORAHS             
4 N East Grand Forks         1.21 in    COCORAHS             

...Red Lake County...
Red Lake Falls MN            2.97 in    HADS                 
Brooks MN 3 WNW              1.25 in    HADS                 

...Roseau County...
Greenbush MN                 1.84 in    COOP                 
Roseau MN 0.1 SSW            1.11 in    COCORAHS             

...Wadena County...
Sebeka MN                    1.49 in    COOP                 
Menahga MN 0.7 N             1.38 in    COCORAHS             
Menahga MN 0.7 N             1.38 in    COCORAHS             
Huntersville MN 3 WNW        1.28 in    HADS                 

...Wilkin County...
Breckenridge MN 3 SE         0.96 in    COOP                 

...North Dakota...

...Barnes County...
Valley City ND 8 NW          3.38 in    HADS                 
Valley City ND 2.0 NW        3.18 in    COCORAHS             
Valley City 2.8 SSE          2.94 in    COCORAHS             

...Benson County...
Fort Totten ND 5 ENE         1.74 in    RAWS                 
Leeds ND 4 SE                1.36 in    HADS                 
Fort Totten 3.8 NW           1.19 in    COCORAHS             

...Cass County...
Leonard ND 4.7 NNE           1.93 in    COCORAHS             
Durbin ND 5.4 WNW            1.77 in    COCORAHS             
Casselton ND 0.4 ENE         1.48 in    COCORAHS             
Fargo ND 3.7 SSE             1.25 in    COCORAHS             
Fargo ND 7.2 S               1.24 in    COCORAHS             
Fargo ND 2.1 N               1.22 in    COCORAHS             
Fargo ND 4.3 S               1.19 in    COCORAHS             
West Fargo ND 3.8 SSE        1.12 in    COCORAHS             
West Fargo 1.3 SE            1.12 in    COCORAHS             
Fargo ND 4.4 NNE             1.11 in    COCORAHS             
Fargo 3.6 NNE                1.10 in    COCORAHS             
Fargo AP ND                  1.01 in    ASOS                 
Horace ND 9.3 SSE            0.95 in    COCORAHS             

...Cavalier County...
Langdon ND 1.4 ESE           1.52 in    COCORAHS             

...Eddy County...
Sheyenne ND 2.7 WSW          1.79 in    COCORAHS             
New Rockford ND 4.0 WNW      1.59 in    COCORAHS             

...Grand Forks County...
Larimore ND 0.4 SE           1.87 in    COCORAHS             
Reynolds ND 8.5 ENE          1.69 in    COCORAHS             
Grand Forks AP ND            1.59 in    ASOS                 
Grand Forks ND 3.9 N         1.57 in    COCORAHS             
Grand Forks ND 3.7 SSE       1.55 in    COCORAHS             
Grand Forks ND 3.4 SSE       1.50 in    COCORAHS             
Grand Forks ND 2.5 SE        1.44 in    COCORAHS             
Grand Forks 2.6 SE           1.36 in    COCORAHS             

...Griggs County...
Cooperstown 0.4 WNW          2.47 in    COCORAHS             

...Nelson County...
Michigan ND                  2.92 in    COOP                 

...Pembina County...
Pembina ND                   3.65 in    COOP                 
Cavalier ND 7 NW             3.18 in    COOP                 
Walhalla ND 3.6 SSE          2.80 in    COCORAHS             
Cavalier ND 7.9 WNW          1.02 in    COCORAHS             

...Ramsey County...
Hampden ND 3 SE              3.31 in    RAWS                 

...Ransom County...
Lisbon ND                    2.79 in    COOP                 
Lisbon ND 0.5 ENE            2.61 in    COCORAHS             
Lisbon ND 18 E               1.96 in    RAWS                 

...Richland County...
Mcleod ND 3 E                1.52 in    COOP                 
Lidgerwood ND                1.26 in    COOP                 
Wahpeton ND 1.0 SSE          1.21 in    COCORAHS             
Abercrombie ND 0.2 NW        0.94 in    COCORAHS             
Wahpeton 15.8 NNW            0.83 in    COCORAHS             

...Steele County...
Sharon ND 7.9 ENE            2.18 in    COCORAHS             
Hope ND 5.4 WNW              1.66 in    COCORAHS             
Hatton ND 9.1 WSW            1.58 in    COCORAHS             

...Traill County...
Mayville ND                  2.02 in    COOP                 
Mayville ND 4.2 SSE          1.70 in    COCORAHS             
Grandin ND 7.1 ENE           1.55 in    COCORAHS             

...Walsh County...
Lankin ND 6 E                2.75 in    COOP                 
Grafton ND 6.8 N             2.18 in    COCORAHS             
Oslo MN 2.7 WNW              1.27 in    COCORAHS             

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.

$$

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE GRAND FORKS ND
446 AM CDT MON OCT 11 2021

...3 DAY PRECIPITATION REPORTS OVER 2.00 INCHES...

LOCATION                 AMOUNT    PROVIDER             
FINGAL ND 4W            4.81 IN    NDAWN
HAMPDEN ND 3 SE         4.37 IN    RAWS 
CAVALIER ND 4NNW        3.79 IN    NDAWN
STIRUM ND 3NE           3.68 IN    NDAWN
WAUKON MN 3S            3.58 IN    NDAWN
LISBON ND 2W            3.51 IN    NDAWN
PILLSBURY 1N        	3.49 IN    NDAWN
CRYSTAL 4NW        	3.45 IN    NDAWN
HUMBOLDT 4SW    	3.26 IN    NDAWN
EDMORE 3NW        	3.26 IN    NDAWN              
THIEF RIVER FALLS MN    3.26 IN    HADS                 
THIEF RIVER FALLS MN 2W 3.20 IN    AWS                  
GONVICK MN              3.09 IN    CWOP                 
STEELE 5NW        	2.90 IN    NDAWN
STEPHEN 1NE        	2.87 IN    NDAWN
OAKES 4S        	2.86 IN    NDAWN
FOREST RIVER 7WNW    	2.82 IN    NDAWN
GRAFTON 10E        	2.79 IN    NDAWN
ADAMS 5N        	2.74 IN    NDAWN
FERTILE MN 3 WSW        2.67 IN    HADS                 
ST. THOMAS 2WSW    	2.62 IN    NDAWN
AYR 1NW            	2.58 IN    NDAWN
MCHENRY 8N        	2.57 IN    NDAWN
COOPERSTOWN 3W    	2.56 IN    NDAWN
KENNEDY 6W        	2.55 IN    NDAWN
EDGELEY 4SW        	2.54 IN    NDAWN
MARION 2S        	2.46 IN    NDAWN
ARYGLE MN 12 WNW        2.38 IN    CWOP                 
INKSTER 3W        	2.35 IN    NDAWN
GALESBURG 4SSW    	2.32 IN    NDAWN
BAKER 1N        	2.30 IN    NDAWN
LEONARD 5N        	2.28 IN    NDAWN
TAPPEN 3NE        	2.28 IN    NDAWN
GLACIAL RIDGE PORTABLE  2.25 IN    RAWS                 
FLORIAN MN 1 S          2.20 IN    HADS                 
FELTON MN 8 NE          2.07 IN    HADS                 
ELDRED 2W        	2.06 IN    NDAWN
MAVIE 3WSW        	2.06 IN    NDAWN
WEBSTER 2N        	2.05 IN    NDAWN
WILLIAMS 6N        	2.05 IN    NDAWN
HILLSBORO 7SE    	2.04 IN    NDAWN
CLYDE 4SW        	2.01 IN    NDAWN
PARKERS PRAIRIE 2NW    	2.00 IN    NDAWN



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.

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Review of the October 9th, 2021 Severe Weather Event

Local Storm Reports