Alert archive / Missouri / Flash Flood Warnings in 1997
Flash Flood Warning 11, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 22, 1997, 4:50 AM CDT for 4 counties in 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 counties it named.
The facts
- Issued
- Jun 22, 1997, 4:50 AM CDT (09:50 UTC)
- Expired
- Jun 22, 1997, 9:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Audrain County, MO, Callaway County, MO, Monroe County, MO, Montgomery County, MO
The radar
The St Louis radar (KLSX), 108 km from the middle of the area, began a volume at 09:53 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
Lincoln, IL (KILX), launched 00:00Z, 9.8 hours before the alert went out and 298 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
- 301 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1421 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- -81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 220949 FFWSTL MOC027-073-139-007-055-137-221400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 450 AM CDT SUN JUN 22 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 900 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSOURI ...CALLAWAY COUNTY...GASCONADE COUNTY...MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI ...AUDRAIN COUNTY...CRAWFORD COUNTY IN NORTHEAST MISSOURI ...MONROE COUNTY NWS DOPPLER RADAR CONTINUED TO SHOW A BAND OF STRONG THUNDERSTORMS FROM NEAR PARIS IN MONROE COUNTY TO FULTON IN CALLAWAY COUNTY TO STEELVILLE IN CRAWFORD COUNTY EARLY THIS MORNING. RADAR CONTINUED TO ESTIMATE ONE TO THREE INCHES...WITH SOME ISOLATED FOUR INCH AMOUNTS...IN A ONE HOUR PERIOD WITH THESE STORMS. WITH THE HEAVY RAIN THAT FELL IN CENTRAL MISSOURI DURING THE OVERNIGHT HOURS...A NEARLY SATURATED GROUND...AND THE SLOW SOTUH-SOUTHEAST MOVEMENT OF 5-10 MPH...THE THREAT OF FLASH FLOODING IS IMMINENT IN THESE AREAS!! IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD...ESPECIALLY LOW-WATER BRIDGES. IF YOU LIVE NEAR A SMALL STREAM OR OTHER LOW LYING FLOOD- PRONE AREA...BE PREPARED TO MOVE TO HIGHER GROUND QUICKLY. YOUR LIFE MAY DEPEND ON IT. 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, 3:44 AM CDT | Flash Flood Warning | LSX | Audrain | 3 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.