Alert archive / Missouri / Flash Flood Warnings in 2011
Flash Flood Warning 33, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 2, 2011, 3:21 AM CDT for Adams County, Illinois; Knox County, Lewis County, Marion County, Missouri. It was in force for 8 hr. 9 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 2, 2011, 3:21 AM CDT (08:21 UTC)
- Expired
- Jun 2, 2011, 11:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Adams County, IL, Knox County, MO, Lewis County, MO, Marion County, MO
The radar
The St Louis radar (KLSX), 182 km from the middle of the area, began a volume at 08:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 2, 4:50 AM CDT | FLOOD | La Grange, MO | 4 TO 5 INCHES OF WATER STANDING ON CITY STREETS |
| Jun 2, 5:00 AM CDT | HEAVY RAIN 6 | Lewistown, MO | REPORT AS OF 5 AM...STILL WAS RAINING HEAVILY |
| Jun 2, 5:03 AM CDT | FLASH FLOOD | 5 Ne Ewing, MO | 2 FEET OR GREATER OF WATER ON HIGHWAY C AT CC AND ALSO 2 MILES EAST OF HIGHWAY BB |
| Jun 2, 5:24 AM CDT | HEAVY RAIN 4 | Ewing, MO | |
| Jun 2, 5:42 AM CDT | FLASH FLOOD | 4 Ene Steffenville, MO | WATER OVER THE ROAD 1 MILE EAST OF ROUTE J ON HWY 156 IN LEWIS COUNTY |
| Jun 2, 6:47 AM CDT | HEAVY RAIN 4.15 | 2 Ne Ewing, MO | AUTOMATED REPORT FROM USGS RIVER GAGE |
| Jun 2, 7:02 AM CDT | HEAVY RAIN 2.45 | Edina, MO | |
| Jun 2, 8:07 AM CDT | HEAVY RAIN 2 | 5 Ne Baring, MO | |
| Jun 2, 10:36 AM CDT | FLOOD | 1 E Novelty, MO | HIGHWAY 151 IS CLOSED EAST SOUTH OF NOVELTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 8.4 hours before the alert went out and 196 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2568 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
577
WGUS53 KLSX 020821
FFWLSX
ILC001-MOC103-111-127-021600-
/O.NEW.KLSX.FF.W.0033.110602T0821Z-110602T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
321 AM CDT THU JUN 2 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
KNOX COUNTY IN NORTHEAST MISSOURI...
LEWIS COUNTY IN NORTHEAST MISSOURI...
NORTHERN MARION COUNTY IN NORTHEAST MISSOURI...
* UNTIL 1100 AM CDT
* AT 309 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE MOVING
ACROSS THE WARNING AREA. THE HEAVIEST RAINFALL HAS BEEN OVER
EASTERN KNOX AND WESTERN LEWIS COUNTIES WHERE RADAR ESTIMATED THAT
2 TO 3 INCHES OF RAINFALL HAS FALLEN BETWEEN 2 AND 3 AM. THESE
STORMS WILL CONTINUE TO SLOWLY MOVE EAST INTO NORTHERN ADAMS
COUNTY. ADDITIONAL THUNDERSTORMS ARE DEVELOPING OVER KNOX COUNTY
WHICH WILL MOVE EAST AND PRODUCE ADDITIONAL HEAVY RAINFALL OVER
THE SAME LOCATIONS BETWEEN 3 AND 6 AM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CANTON...CAMP POINT...COLONY...EWING...LA BELLE...LA GRANGE...
LEWISTOWN...MAYWOOD...MENDON AND STEFFENVILLE.
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.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST
LOUIS.
&&
LAT...LON 4026 9194 4025 9150 4020 9150 4020 9092
3984 9091 3984 9184 3995 9184 3996 9235
4030 9235 4031 9195
$$
BRITT1 follow-up statement
574
WGUS73 KLSX 021018
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
518 AM CDT THU JUN 2 2011
ILC001-MOC103-111-127-021600-
/O.CON.KLSX.FF.W.0033.000000T0000Z-110602T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS IL-KNOX MO-LEWIS MO-MARION MO-
518 AM CDT THU JUN 2 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN MARION...
LEWIS...KNOX AND ADAMS COUNTIES UNTIL 1100 AM CDT...
AT 507 AM CDT...SIGNIFICANT FLASH FLOODING IS OCCURRING IN LEWIS
COUNTY WHERE OFFICIALS REPORT THAT MORE THAN TWO FEET OF WATER
COVERS HIGHWAY C AT CC AND ALSO TWO MILES EAST OF HIGHWAY BB TO THE
NORTHEAST OF EWING. WATER IS ALSO COVERING MANY STREETS IN LA
GRANGE. NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES THAT
BETWEEN 3 AND 7 INCHES OF RAIN HAS FALLEN FROM FAR SOUTHEASTERN KNOX
COUNTY THROUGH THE SOUTHERN HALF OF LEWIS COUNTY INTO WEST CENTRAL
ADAMS COUNTY SINCE 1 AM. ADDITIONAL THUNDERSTORMS CONTINUES TO
DEVELOP OVER NORTHERN MISSOURI...AND AN ADDITIONAL 1 TO 3 INCHES OF
RAINFALL IS POSSIBLE THROUGH 8 AM.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CANTON...
EDINA...QUINCY...CAMP POINT...CLAYTON...COLONY...EWING...GOLDEN...
GREENSBURG...KNOX CITY...LA BELLE...LA GRANGE...LEWISTOWN...
MAYWOOD...MENDON...PLEVNA AND STEFFENVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS AN EXTREMELY DANGEROUS SITUATION. DO NOT DRIVE INTO WATER
OF UNKNOWN DEPTH. IF YOU ARE CAMPING OR LIVE NEXT TO A CREEK OR
STREAM...MOVE TO HIGHER GROUND IMMEDIATELY!
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS.
&&
LAT...LON 4026 9194 4025 9150 4020 9150 4020 9092
3984 9091 3984 9184 3995 9184 3996 9235
4030 9235 4031 9195
$$
BRITTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 5:41 AM CDT | Flash Flood Warning | LSX | Adams, Brown, Pike | 7 hr |
| Jun 2, 10:33 AM CDT | Areal Flood Warning | LSX | Adams, Brown, Pike | 12 hr |
| Jun 2, 6:18 AM CDT | River Flood Warning | LSX | Lewis | 38 hr |
| Jun 2, 6:18 AM CDT | River Flood Warning | LSX | Lewis | 3 days |
| Jun 2, 10:15 AM CDT | River Flood Warning | LSX | Marion | 34 hr |
Nearby
Flash Flood Warnings in Missouri, 2011Flash Flood Warnings in Illinois, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.