Alert archive / Missouri / Flash Flood Warnings in 2008
Flash Flood Warning 76, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 8, 2008, 8:14 PM CDT for Ralls 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 8, 2008, 8:14 PM CDT (01:14 UTC)
- Expired
- Jul 9, 2008, 12:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Ralls County, MO
The radar
The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 01:16 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 00:00Z, 1.2 hours before the alert went out and 239 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
- 1090 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 997 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- -15 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLSX 090115
FFWLSX
MOC173-090515-
/O.NEW.KLSX.FF.W.0076.080709T0114Z-080709T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
814 PM CDT TUE JUL 8 2008
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN RALLS COUNTY IN NORTHEAST MISSOURI
* UNTIL 1215 AM CDT
* AT 807 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
FLOODING OVER THE WARNED AREA...WITH SEVERAL ROADS THROUGHOUT
NORTHERN RALLS COUNTY REMAINING UNDER WATER. RADAR ESTIMATES
BETWEEN 2 AND 3 INCHES OF RAINFALL FELL OVER A VERY SHORT PERIOD
OF TIME...AND BACKED UP AREA CREEKS.
* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING SPAULDING...RENSSELAER AND NEW LONDON.
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 3968 9131 3960 9121 3951 9139 3952 9172
3954 9172 3969 9172 3969 9163
$$
TES1 follow-up statement
000
WGUS73 KLSX 090507
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1207 AM CDT WED JUL 9 2008
MOC173-090517-
/O.EXP.KLSX.FF.W.0076.000000T0000Z-080709T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RALLS MO-
1207 AM CDT WED JUL 9 2008
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM CDT FOR NORTHERN
RALLS COUNTY...
A CHECK WITH AREA LAW ENFORCEMENT INDICATES THAT FLOODING IS NO
LONGER A PROBLEM IN THE AREA.
LAT...LON 3968 9131 3960 9121 3951 9139 3952 9172
3954 9172 3969 9172 3969 9163
$$
TESThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 7:10 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 41 min |
| Jul 8, 8:25 PM CDT | Areal Flood Warning | LSX | Monroe, Shelby | 12 hr |
| Jul 8, 8:31 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 44 min |
| Jul 8, 8:41 PM CDT | River Flood Warning | LSX | Marion | 15 hr |
| Jul 8, 10:27 PM CDT | River Flood Warning | LSX | Marion | 23 hr |
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.