Alert archive / Missouri / Flash Flood Warnings in 1997
Flash Flood Warning 10, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 22, 1997, 3:44 AM CDT for Audrain County, Missouri. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1997, 3:44 AM CDT (08:44 UTC)
- Expired
- Jun 22, 1997, 6:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Audrain County, MO
The radar
The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 08:48 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, 8.7 hours before the alert went out and 290 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
- 448 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1163 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 220845 FFWSTL MOC007-221145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 344 AM CDT SUN JUN 22 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 645 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...AUDRAIN COUNTY AT 330 AM NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS CONTINUING TO DEVELOP IN AND NEAR AUDRAIN COUNTY. NEW STORMS HAVE DEVELOPED NEAR MOBERLY AND WILL DRIFT SLOWLY SOUTHEAST INTO AUDRAIN COUNTY. NEW STORMS ARE ALSO FORMING NEAR MEXICO. TORRENTIAL RAINS WILL FALL IN A SHORT PERIOD OF TIME. RAINFALL AMOUNTS MAY EXCEED 3 TO 4 INCHES IN SOME AREAS BY MORNING...ESPECIALLY IN AREAS SOUTH OF MEXICO. FLOODING WILL BE IMMINENT...ESPECIALLY IN AREAS WHERE RUNOFF IS SLOW. RIVERS AND SMALLER TRIBUTARIES WILL ALSO RESPOND BY MORNING WITH RAPID RISES. TAKE SPECIAL PRECAUTIONS...THIS IS AN UNUSUALLY DANGEROUS RAINFALL SITUATION! FLASH FLOODING IS THE LEADING WEATHER RELATED KILLER ACROSS THE UNITED STATES. NEVER UNDERESTIMATE THE POWER OF FLOWING WATER. MOVE TO HIGHER GROUND IMMEDIATELY WHEN FLOODING THREATENS. YOUR LIFE MAY DvEPEND ON IT. PEDIGO/METZE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:39 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 51 min |
| Jun 21, 8:31 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 44 min |
| Jun 21, 10:22 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade | 68 min |
| Jun 21, 11:45 PM CDT | Flash Flood Warning | LSX | Crawford, Franklin, Jefferson, Washington | 5 hr |
| Jun 22, 12:48 AM CDT | Flash Flood Warning | LSX | Warren | 4 hr |
| Jun 22, 1:15 AM CDT | Flash Flood Warning | LSX | Montgomery | 4 hr |
| Jun 22, 2:49 AM CDT | Flash Flood Warning | LSX | Callaway | 3 hr |
| Jun 22, 4:50 AM CDT | Flash Flood Warning | LSX | Audrain, Callaway, Monroe, Montgomery | 4 hr |
| Jun 22, 4:50 AM CDT | Flash Flood Warning | LSX | Crawford, Gasconade | 4 hr |
| Jun 22, 5:41 AM CDT | Flash Flood Warning | LSX | Boone | 3 hr |
| Jun 22, 7:05 AM CDT | Flash Flood Warning | LSX | Shelby | 4 hr |
| Jun 22, 7:36 AM CDT | Flash Flood Warning | LSX | Knox | 3 hr |
Nearby
Flash Flood Warnings in Missouri, 1997Every flash flood warning in 1997
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.