July 12/13 Heavy Rain

Very heavy rain fell over portions of central and eastern Illinois during the morning hours of Saturday, July 12.  A warm front lifting northeast through the area caused thunderstorms to develop.  These storms continued to regenerate over the same areas, generally from Pontiac southeast to Champaign, for several hours, producing copious amounts of rain.  Rain totals of 3 to 6 inches were common from southern Livingston county, south through portions of Champaign and Piatt counties.  Widespread flash flooding occurred in these areas.  Late Saturday night, a cool front moving in from the northwest sparked another round of thunderstorms, which produced rain totals from one-quarter inch, to over one inch across portions of central Illinois.

 

 

  Radar estimated rainfall July 12 (AM)

Event  total rainfall July 12-13

 

...2-Day Heavy Rain Totals...

The following list contains 2-day rain totals in excess of 2
inches for central Illinois, from 7 AM Friday July 11 through 7 AM
Sunday July 13. Data are from NWS COOP, NWS SWOP, and CoCoRaHS
observers.

Location (County)                 Total (inches)
------------------------------------------------
Mahomet 1S (Champaign)....................5.83
Champaign 2NNW (Champaign)........5.23
Urbana 1SSE (Champaign)..................4.92
Philo 2ENE (Champaign)......................4.61
LeRoy 4SSW (McLean)..........................4.59
Sidney 1N (Champaign)........................4.30
Mansfield 3WSW (Piatt).........................4.26
Monticello 6WSW (Piatt).........................4.23
Savoy 1N (Champaign)..........................4.10
Cisco 2NE (Piatt).....................................3.71
Lexington (McLean).................................3.71
Farmer City 3W (DeWitt).........................3.62
Dewey 1NNW (Champaign)..................3.43
Arrowsmith 1NNE (McLean)..................3.08
White Heath 3NNE (Piatt).......................3.02
Shelbyville (Shelby)..................................2.84
Atwood 5NW (Piatt)...................................2.32
Lovington (Moultrie)..................................2.29
Normal 4NE (McLean).............................2.06
Bloomington 3NE (McLean)...................2.02



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