Alert archive / Illinois / Flash Flood Warnings in 2013
Flash Flood Warning 7, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 2, 2013, 4:22 PM CDT for Fayette County, Illinois. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 2, 2013, 4:22 PM CDT (21:22 UTC)
- Expired
- May 2, 2013, 8:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Fayette County, IL
The radar
The Lincoln radar (KILX), 125 km from the middle of the area, began a volume at 21:22 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.4 hours before the alert went out and 129 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 102 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1567 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
247 WGUS53 KLSX 022122 FFWLSX ILC051-030130- /O.NEW.KLSX.FF.W.0007.130502T2122Z-130503T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 422 PM CDT THU MAY 2 2013 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS... * UNTIL 830 PM CDT * AT 420 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. THE RADAR ESTIMATES THAT 2 TO 4 INCHES OF RAIN HAS FALLEN ACROSS THE WESTERN PART OF THE COUNTY WITH ANOTHER INCH POSSIBLE. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... VANDALIA...BROWNSTOWN...RAMSEY...ST. ELMO AND WRIGHTS CORNER. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. && LAT...LON 3893 8925 3922 8925 3922 8881 3893 8882 $$ MILLER
1 follow-up statement
077 WGUS73 KLSX 030136 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 836 PM CDT THU MAY 2 2013 ILC051-030149- /O.EXP.KLSX.FF.W.0007.000000T0000Z-130503T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ FAYETTE IL- 836 PM CDT THU MAY 2 2013 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN FAYETTE COUNTY HAS BEEN ALLOWED TO EXPIRE... ACCORDING TO THE COUNTY SHERIFF...THERE ARE NO ISSUES OR ROAD CLOSURES RELATED TO THE FLOODING. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 3893 8925 3922 8925 3922 8881 3893 8882 $$ MILLER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 4:04 PM CDT | Flood Watch | LSX | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 6 more | 32 hr |
Nearby
Flash Flood Warnings in Illinois, 2013Every flash flood warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.