Alert archive / Missouri / Flash Flood Warnings in 2011
Flash Flood Warning 46, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 13, 2011, 10:52 PM CDT for Lewis County, Missouri. It was in force for 8 hr. 2 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 13, 2011, 10:52 PM CDT (03:52 UTC)
- Expired
- Jun 14, 2011, 7:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Lewis County, MO
The radar
The St Louis radar (KLSX), 176 km from the middle of the area, began a volume at 03:54 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 14, 5:54 AM CDT | HEAVY RAIN 2.8 | Canton, MO | 24 HOUR TOTAL. |
| Jun 14, 5:54 AM CDT | HEAVY RAIN 3.8 | Canton, MO | 24 HOUR TOTAL. |
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, 3.9 hours before the alert went out and 189 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
- 1568 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 266 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
170
WGUS53 KLSX 140352
FFWLSX
MOC111-141200-
/O.NEW.KLSX.FF.W.0046.110614T0352Z-110614T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1052 PM CDT MON JUN 13 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LEWIS COUNTY IN NORTHEAST MISSOURI...
* UNTIL 700 AM CDT TUESDAY
* AT 1049 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR INDICATED THAT OVER 2 INCHES OF RAIN
HAD FALLEN OVER PARTS OF LEWIS COUNTY...AND THAT MORE THUNDERSTORMS
WITH HEAVY RAINFALL WOULD CONTINUE TO IMPACT THE AREA FOR THE NEXT
FEW HOURS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CANTON...EWING...LA BELLE...LA GRANGE...LEWISTOWN...MAYWOOD AND
STEFFENVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.
&&
LAT...LON 4025 9150 4024 9149 4020 9150 4019 9151
4011 9151 4007 9149 4004 9150 4000 9147
3995 9147 3995 9195 4026 9195
$$
CARNEY1 follow-up statement
388
WGUS73 KLSX 141159
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
659 AM CDT TUE JUN 14 2011
MOC111-141212-
/O.EXP.KLSX.FF.W.0046.000000T0000Z-110614T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEWIS MO-
659 AM CDT TUE JUN 14 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR LEWIS COUNTY WILL
BE ALLOWED TO EXPIRE AT 700 AM CDT...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA.
ADDITIONAL THUNDERSTORMS CAN BE EXPECTED THIS MORNING. HOWEVER...
ADDITIONAL FLOODING IS NOT ANTICIPATED AT THIS TIME. IF FLOODING HAS
BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT
AGENCY.
LAT...LON 4025 9150 4024 9149 4020 9150 4019 9151
4011 9151 4007 9149 4004 9150 4000 9147
3995 9147 3995 9195 4026 9195
$$The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 10:37 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 21 min |
| Jun 14, 1:50 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 16 min |
| Jun 14, 4:52 AM CDT | River Flood Warning | LSX | Marion | 10 days |
| Jun 14, 6:51 AM CDT | River Flood Warning | LSX | Lewis | 3 days |
| Jun 14, 9:46 AM CDT | River Flood Warning | LSX | Lewis | 25 hr |
| Jun 14, 11:56 AM CDT | River Flood Warning | LSX | Lincoln | 11 days |
Nearby
Flash Flood Warnings in Missouri, 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.