Alert archive / Missouri / Flash Flood Warnings in 2008
Flash Flood Warning 97, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Sep 12, 2008, 4:28 AM CDT for Audrain County, Boone County, Callaway County, Missouri. It was in force for 6 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
- Sep 12, 2008, 4:28 AM CDT (09:28 UTC)
- Expired
- Sep 12, 2008, 10:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Audrain County, MO, Boone County, MO, Callaway County, MO
The radar
The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 09:29 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
Springfield, MO (KSGF), launched 00:00Z, 9.5 hours before the alert went out and 292 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
- 381 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 744 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLSX 120928 FFWLSX MOC007-019-027-121530- /O.NEW.KLSX.FF.W.0097.080912T0928Z-080912T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 428 AM CDT FRI SEP 12 2008 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... AUDRAIN COUNTY IN CENTRAL MISSOURI BOONE COUNTY IN CENTRAL MISSOURI WESTERN CALLAWAY COUNTY IN CENTRAL MISSOURI * UNTIL 1030 AM CDT * AT 419 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM A THUNDERSTORM 8 MILES SOUTH OF MURRY...OR ABOUT 10 MILES EAST OF COLUMBIA...MOVING NORTHEAST AT 25 MPH. HEAVY RAINFALL IS EXPECTED TO OCCUR OVER THE NEXT TWO HOURS FROM KINGDOM CITY AND MURRY NORTHEAST TO MEXICO...BENTON CITY AND LADDONIA AS THUNDERTORMS CONTAINING HEAVY RAINFALL CONTINUE TO MOVE REPEATEDLY OVER THIS SAME AREA. * OTHER FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE AFFECTING HALLSVILLE...AUXVASSE...CENTRALIA...MEXICO...LADDONIA AND FARBER. 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. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. LAT...LON 3935 9207 3932 9151 3872 9201 3883 9243 $$ GKS
1 follow-up statement
000 WGUS73 KLSX 121232 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 732 AM CDT FRI SEP 12 2008 MOC007-019-027-121530- /O.CON.KLSX.FF.W.0097.000000T0000Z-080912T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CALLAWAY MO-BOONE MO-AUDRAIN MO- 732 AM CDT FRI SEP 12 2008 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR AUDRAIN...BOONE AND WESTERN CALLAWAY COUNTIES... AT 716 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING IN THE WARNED AREA. PARTS OF ROUTE JJ IN AUDRAIN COUNTY WERE FLOODED. IN BOONE COUNTY PORTIONS OF RANGELINE ROAD WERE CLOSED DUE TO HIGH WATER ON THE ROAD. THE RADAR ESTIMATED THAT 3 HOUR RAINFALL TOTALS OF 2.5 TO 3.5 INCHES OF RAIN FELL FROM NEAR HATTON TO JUST SOUTH OF MEXICO. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MEXICO... LADDONIA...HALLSVILLE...FARBER AND CENTRALIA. ALTHOUGH THE RAINFALL INTENSITY HAS WEAKENED DURING THE LAST HOUR...ADDITIONAL RAINFALL AMOUNTS OF AROUND ONE INCH ARE POSSIBLE DURING THE NEXT TWO HOURS IN THE WARNED AREA. FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES... DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. LAT...LON 3935 9207 3932 9151 3872 9201 3883 9243 $$ GKS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 10:22 AM CDT | Areal Flood Warning | LSX | Boone, Callaway | 6 hr |
| Sep 12, 12:07 PM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more | 47 hr |
| Sep 12, 2:48 PM CDT | River Flood Warning | LSX | Lincoln | 4 days |
Nearby
Flash Flood Warnings in Missouri, 2008Every flash flood warning in 2008
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.