Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >

A storm system tracked into the middle Ohio River Valley during the day on Palm Sunday 2019 (April 14). This brought periods of heavy snow to the region during the morning and lasting into the afternoon. Snow fell from northeast Missouri into western Illinois. The heaviest snow fell in Bureau and Putnam counties where 5 to 8.5 inches of snow was reported.

Macomb, IL 710 AM
Courtesy: Regional Media - Virben Broadcasting

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Environment

Snow

Local Snowfall Map 9 AM CDT April 14, 2019	Regional Snowfall Map 9 AM CDT April 14, 2019	Local Snowfall Map 9 AM CDT April 15, 2019	816 AM 4/15/2019 Visible Satellite Courtesy: College of DuPage


24 hour snow fall in inches, Reported between Midnight and 9 AM, Sunday April 14, 2019. ....ILLINOIS.... Ottawa 4 SW 0.3 Colchester 3.5 NE 0.3 Romeoville 0.0 Augusta 0.0 Princeton 1.1 SE 0.0 Princeton 0.0 Coleta 1.4 SSW 0.0 Tiskilwa 2.1 N 0.0 Aledo 0.0 Rockford ASOS 0.0 Mundelein 0.0 Roscoe 2SE 0.0 Quad City Arpt 3 S 0.0 Dakota 4.8 NW 0.0 Paw Paw 1 E 0.0 Gladstone LD18 0.0 Davis 0.5 N 0.0 Steward 0.0 Moline 0.7 NNE 0.0 Freeport 2.0 NW 0.0 Kewanee 1 E 0.0 Dallas City 3.0 SSE 0.0 Galena 0.0 Shannon 0.2 S 0.0 Coal Valley 1.9 SE 0.0 Coal Valley 2.6 E 0.0 Illinois City 6.7 SW 0.0 Winslow 4.3 ESE 0.0 Freeport 2.9 WSW 0.0 Freeport 1.7 NW 0.0 ....MISSOURI.... Columbia 0.3 Memphis 0.0		24 hour snow fall in inches, Reported between Midnight and 9 AM, Monday April 15, 2019. ....ILLINOIS.... Princeton 1.1 SE 8.5 Princeton 8.5 Mundelein 6.8 Paw Paw 1 E 4.5 Augusta 4.0 Colchester 3.5 NE 4.0 Steward 3.4 Ottawa 4 SW 3.0 Mendota 2 SE 3.0 Rockford ASOS 2.9 Kewanee 1 E 2.8 Romeoville 2.5 Rochelle 2.0 Roscoe 2SE 2.0 Rock Falls 1.0 Streator 3 SE 1.0 La Harpe 0.0 Davis 0.5 N 0.0 Freeport 0.0 Freeport 2.0 NW 0.0 New Windsor 2.0 N 0.0 Aledo 0.0 Quad City Arpt 3 S 0.0 Dallas City 3.0 SSE 0.0 Galena 0.0 Illinois City 6.7 SW 0.0 Freeport 1.7 NW 0.0 Freeport 2.9 WSW 0.0 ....MISSOURI.... Columbia 0.1 Memphis 0.0 ....WISCONSIN.... Whitewater 2.0 Beloit-College 1.0 Monroe 1 W 0.0 Darlington 0.0 Brodhead 1 SW 0.0 La Crosse WFO 0.0 Viroqua 0.0 Steuben 4SE 3 NE 0.0 Madison-ASOS 0.0

Photos

9 AM 5 miles NNE Wyanet, IL

Courtesy A. Gray

11 AM 5 miles NNE Wyanet IL

Courtesy A Gray

Macomb, IL 11 AM

Courtesy: Regional Media - Virben Broadcasting

Radar Loop Courtesy IEM

Storm Reports Map - Courtesy IEM

MAP BELOW AS OF ~11 AM 4/14/2019

LSR Image

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
631 PM CDT SUN APR 14 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0530 PM     SNOW             3.5 NW PUTNAM           41.22N 89.45W
04/14/2019  M2.9 INCH        PUTNAM             IL   PUBLIC           

            CORRECTS PREVIOUS SNOW REPORT FROM 3.5 NW 
            PUTNAM. REPORT RELAYED BY NWS DES MOINES 
            PERSONNEL. 

0339 PM     SNOW             LADD                    41.38N 89.22W
04/14/2019  M5.0 INCH        BUREAU             IL   TRAINED SPOTTER  

             

0316 PM     SNOW             2 NNE GRANVILLE         41.29N 89.22W
04/14/2019  M3.4 INCH        PUTNAM             IL   TRAINED SPOTTER  

            STILL SNOWING LIGHTLY. 

0137 PM     SNOW             1 SSE MACOMB            40.46N 90.67W
04/14/2019  M3.0 INCH        MCDONOUGH          IL   TRAINED SPOTTER  

            STORM TOTAL. SNOW HAS ENDED. 

0114 PM     SNOW             MALDEN                  41.43N 89.37W
04/14/2019  M7.2 INCH        BUREAU             IL   TRAINED SPOTTER  

            CORRECTS PREVIOUS SNOW REPORT FROM MALDEN. 
            STORM TOTAL. 

0107 PM     SNOW             HENNEPIN                41.25N 89.34W
04/14/2019  M8.5 INCH        PUTNAM             IL   CO-OP OBSERVER   

            CORRECTS PREVIOUS SNOW REPORT FROM HENNEPIN. 
            STILL SNOWING. UPDATED SNOW TOTAL. 

1230 PM     SNOW             PRINCETON               41.38N 89.47W
04/14/2019  M8.0 INCH        BUREAU             IL   PUBLIC           

            RECEIVED THROUGH SOCIAL MEDIA. 

1136 AM     SNOW             1 W LOMBARDVILLE        41.24N 89.66W
04/14/2019  E2.0 INCH        BUREAU             IL   TRAINED SPOTTER  

             

1135 AM     SNOW             5 NNE WYANET            41.42N 89.55W
04/14/2019  E5.0 INCH        BUREAU             IL   PUBLIC           

            UPDATES PREVIOUS SNOW REPORT FROM 5 NNE 
            WYANET. ABOUT 5 INCHES SO FAR. STILL SNOWING 
            BIG FLAKES. 

1020 AM     SNOW             3 WSW LA MOILLE         41.51N 89.33W
04/14/2019  M3.5 INCH        BUREAU             IL   PUBLIC           

            VERY LARGE FLAKES FALLING AT THIS TIME. 

1015 AM     SNOW             INDUSTRY                40.32N 90.61W
04/14/2019  M5.0 INCH        MCDONOUGH          IL   TRAINED SPOTTER  

            5 INCHES ON GRASS. 1-2 INCHES ON PAVEMENT. 
            STILL SNOWING MODERATE. 

0950 AM     SNOW             COLCHESTER              40.43N 90.79W
04/14/2019  E4.7 INCH        MCDONOUGH          IL   TRAINED SPOTTER  

            SO FAR. 

0950 AM     SNOW             1 SE PRINCETON          41.37N 89.45W
04/14/2019  M4.0 INCH        BUREAU             IL   CO-OP OBSERVER   

            UPDATES PREVIOUS SNOW REPORT FROM 1 SE 
            PRINCETON. SNOW SO FAR. LIGHT TO MODERATE 
            SNOW STILL FALLING. 

0922 AM     SNOW             HENNEPIN                41.25N 89.34W
04/14/2019  M1.5 INCH        PUTNAM             IL   CO-OP OBSERVER   

            SNOWFALL SO FAR. 

0905 AM     SNOW             1 W INDUSTRY            40.33N 90.64W
04/14/2019  M2.5 INCH        MCDONOUGH          IL   TRAINED SPOTTER  

            BETWEEN 2 AND 3 INCHES OF SNOW SO FAR. STILL 
            SNOWING HEAVILY WITH 300 YARDS VISIBILITY. 

1125 AM     HEAVY SNOW       1 SE PRINCETON          41.37N 89.45W
04/14/2019  M8.0 INCH        BUREAU             IL   CO-OP OBSERVER   

            MODERATE SNOW FALLING AT THIS TIME.

Environment

Lincoln, IL Sounding 7 AM 04/14/2019	Davenport, IA Sounding 7 AM 04/14/2019


SPC Mesoscale Discussion #338

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Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

Palm Sunday Snow April 14, 2019