Alert archive / Missouri / Flash Flood Warnings in 2008
Flash Flood Warning 87, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 29, 2008, 3:05 PM CDT for Shelby County, Missouri. 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
- Jul 29, 2008, 3:05 PM CDT (20:05 UTC)
- Expired
- Jul 29, 2008, 7:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Shelby County, MO
The radar
The St Louis radar (KLSX), 171 km from the middle of the area, began a volume at 20:08 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
Davenport, (KDVN), launched 12:00Z, 8.1 hours before the alert went out and 237 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
- 1205 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLSX 292005 FFWLSX MOC205-300000- /O.NEW.KLSX.FF.W.0087.080729T2005Z-080730T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 305 PM CDT TUE JUL 29 2008 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... SHELBY COUNTY IN NORTHEAST MISSOURI * UNTIL 700 PM CDT * AT 259 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TORRENTIAL RAINS FROM A CLUSTER OF THUNDERSTORMS COVERING MUCH OF SHELBY COUNTY. RADAR INDICATES RAINFALL RATES OF 2 TO 3 INCHES PER HOUR...AND FLASH FLOODING IS IMMINENT. * OTHER FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE AFFECTING SHELBYVILLE. 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. LAT...LON 3994 9186 3967 9187 3966 9229 3995 9228 $$ BROWNING
2 follow-up statements
000 WGUS73 KLSX 292106 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 406 PM CDT TUE JUL 29 2008 MOC205-300000- /O.CON.KLSX.FF.W.0087.000000T0000Z-080730T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SHELBY MO- 406 PM CDT TUE JUL 29 2008 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR SHELBY COUNTY... AT 345 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING OVER THE WARNED AREA NEAR THE HIGHWAY 36 BRIDGE OVER THE NORTH FORK SALT RIVER. WHILE RADAR INDICATES THE HEAVIEST RAIN HAS MOVED OUT OF THE WARNED AREA...RADAR ESTIMATES OF 2 TO 4 INCHES ARE COMMON ACROSS THE NORTH CENTRAL PORTIONS OF SHELBY COUNTY. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SHELBYVILLE. FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES... DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. LAT...LON 3994 9186 3967 9187 3966 9229 3995 9228 $$ FUCHS
000 WGUS73 KLSX 300000 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 700 PM CDT TUE JUL 29 2008 MOC205-300008- /O.EXP.KLSX.FF.W.0087.000000T0000Z-080730T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SHELBY MO- 700 PM CDT TUE JUL 29 2008 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 700 PM CDT FOR SHELBY COUNTY... THE STORMS WHICH PRODUCED THE HEAVY RAINS EARLIER HAVE MOVED OUT OF THE WARNED AREA. MORE RAIN IS EXPECTED THIS EVENING BUT MOST OF THIS WILL BE ON THE LIGHT SIDE. MOTORISTS SHOULD USE CAUTION WHEN APPROACHING AREAS THAT EXPERIENCED HIGH WATER LEVELS...AS THE FAST FLOWING WATER MAY HAVE DAMAGED ROADWAYS AND BRIDGES. LAT...LON 3994 9186 3967 9187 3966 9229 3995 9228 $$ GKS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 1:53 PM CDT | Heat Advisory | LSX | Jefferson, Madison, Saint Charles, Sainte Genevieve, Saint Francois, Saint Louis and 1 more | 5 hr |
| Jul 29, 2:32 PM CDT | Severe Thunderstorm Warning | LSX | Knox, Shelby | 43 min |
| Jul 29, 2:51 PM CDT | Flash Flood Warning | LSX | Knox | 4 hr |
| Jul 29, 4:19 PM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Cole, Gasconade, Knox and 11 more | 19 hr |
| Jul 29, 5:54 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Warren | 51 min |
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.