Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 31, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 7, 1993, 12:36 AM CDT for Crawford County, Missouri. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1993, 12:36 AM CDT (05:36 UTC)
- Expired
- Jul 7, 1993, 4:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Crawford County, MO
The radar
The St Louis radar (KLSX), 97 km from the middle of the area, began a volume at 05:38 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 (KUMN), launched 00:00Z, 5.6 hours before the alert went out and 251 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
- 1998 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 070538 FFWSTL MOC055-070945- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1236 AM CDT WED JUL 7 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 445 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...CRAWFORD COUNTY AT 1230 AM...CRAWFORD COUNTY SHERIFF AND THE POLICE DEPARTMENT AT BOURBON REPORTED SEVERAL ROADS WERE UNDERWATER. SHOWERS AND THUNDERSTORMS WERE OVER THE CENTRAL AND EASTERN PART OF THE COUNTY AND WERE MOVING TO THE EAST AT 30 MILES AN HOUR. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TWO TO THREE INCHES OF RAIN FELL IN NORTHERN CRAWFORD COUNTY BETWEEN 9PM AND MIDNIGHT. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. MORSE &
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 6, 7:22 PM CDT, 5 hours 14 minutes before
MOZ012-018-022-ILZ011-012-013-070230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 722 PM CDT TUE JUL 6 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR EAST CENTRAL AND SOUTHEAST MISSOURI AND SOUTHWEST ILLINOIS... AT 720 PM...THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 900 PM FOR EAST CENTRAL MISSOURI...INCLUDING THE ST. LOUIS METRO AREA...SOUTHEAST MISSOURI...AND SOUTHWEST ILLINOIS. RADAR WAS DETECTING THUNDERSTORMS FROM 30 MILES SOUTHWEST OF FARMINGTON MISSOURI TO NEAR MT. VERNON ILLINOIS. THUNDERSTORMS WITH HEAVY RAINS WERE IN NORTHERN IRON COUNTY AND JUST NORTHWEST OF MT. VERNON. THESE STORMS WERE MOVING TO THE NORTHEAST 30 MPH. THESE STORMS WILL PRODUCE HEAVY RAINS...DEADLY LIGHTNING AND STRONG GUSTY WINDS. RESIDENTS IN AND CLOSE TO THE WATCH AREA SHOULD BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES AS A FEW STORMS MAY PRODUCE DAMAGING WINDS AND LARGE HAIL. CONTINUE TO LISTEN TO NOAA WEATHER RADIO AND LOCAL MEDIA SOURCES FOR LATER STATEMENTS AND POSSIBLE WARNINGS ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION. GKS
Special weather statement, Jul 6, 7:25 PM CDT, 5 hours 11 minutes before
MOZ012-018-022-ILZ011-012-013-070230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 722 PM CDT TUE JUL 6 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR EAST CENTRAL AND SOUTHEAST MISSOURI AND SOUTHWEST ILLINOIS... AT 720 PM...THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 900 PM FOR EAST CENTRAL MISSOURI...INCLUDING THE ST. LOUIS METRO AREA...SOUTHEAST MISSOURI...AND SOUTHWEST ILLINOIS. RADAR WAS DETECTING THUNDERSTORMS FROM 30 MILES SOUTHWEST OF FARMINGTON MISSOURI TO NEAR MT. VERNON ILLINOIS. THUNDERSTORMS WITH HEAVY RAINS WERE IN NORTHERN IRON COUNTY AND JUST NORTHWEST OF MT. VERNON. THESE STORMS WERE MOVING TO THE NORTHEAST 30 MPH. THESE STORMS WILL PRODUCE HEAVY RAINS...DEADLY LIGHTNING AND STRONG GUSTY WINDS. RESIDENTS IN AND CLOSE TO THE WATCH AREA SHOULD BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES AS A FEW STORMS MAY PRODUCE DAMAGING WINDS AND LARGE HAIL. CONTINUE TO LISTEN TO NOAA WEATHER RADIO AND LOCAL MEDIA SOURCES FOR LATER STATEMENTS AND POSSIBLE WARNINGS ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION. GKS
Special weather statement, Jul 6, 8:58 PM CDT, 3 hours 38 minutes before
MOZ012-018-022-ILZ011-013-070300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 858 PM CDT TUE JUL 6 1993 ...THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL AND SOUTHEAST MISSOURI HAS EXPIRED... AT 900 PM...A LARGE AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM CENTRAL ILLINOIS TO WESTERN MISSOURI. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR. NO SEVERE WEATHER HAS BEEN REPORTED SINCE 530 PM. THE THREAT OF SEVERE WEATHER HAS DIMINISHED AND THE SEVERE THUNDERSTORM WATCH HAS EXPIRED. HOWEVER...THE STORMS WILL CONTINUE TO PRODUCE BREIF PERIOD OF VERY HEAVY RAIN THROUGHOUT THE NIGHT. THEREFORE...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE CENTRAL THIRD OF MISSOURI. STAYED TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TV STATIONS FOR THE LATEST INFORMATION ON THESE STORMS. MORSE
Special weather statement, Jul 6, 9:01 PM CDT, 3 hours 35 minutes before
MOZ012-018-022-ILZ011-013-070300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 858 PM CDT TUE JUL 6 1993 ...THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL AND SOUTHEAST MISSOURI HAS EXPIRED... AT 900 PM...A LARGE AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM CENTRAL ILLINOIS TO WESTERN MISSOURI. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR. NO SEVERE WEATHER HAS BEEN REPORTED SINCE 530 PM. THE THREAT OF SEVERE WEATHER HAS DIMINISHED AND THE SEVERE THUNDERSTORM WATCH HAS EXPIRED. HOWEVER...THE STORMS WILL CONTINUE TO PRODUCE BREIF PERIOD OF VERY HEAVY RAIN THROUGHOUT THE NIGHT. THEREFORE...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE. CENTRAL THIRD OF MISSOURI. STAYED TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TV STATIONS FOR THE LATEST INFORMATION ON THESE STORMS. MORSE
Local storm report, Jul 6, 10:03 PM CDT, 2 hours 33 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1003 PM CDT TUE JUL 6 1993
...PRELIMINARY REPORTS FOR THE AFTERNOON AND EVENING OF JULY 6...
TIME (CDT) COUNTY EVENT
420 PM CRAWFORD & NUMEROUS TREES WERE KNOCKED DOWN IN AND
WASHINGTON NEAR BERRYMAN ALONG THE COUNTY LINE.
MISSOURI REPORTED BY CRAWFORD COUNTY SHERIFF.
530 PM STE GENEVIEVE TREES AND POWER LINES DOWN IN BLOOMSDALE.
MISSOURI REPORTED BY COUNTY SHERIFF.
SHEALocal storm report, Jul 6, 10:04 PM CDT, 2 hours 32 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1003 PM CDT TUE JUL 6 1993
...PRELIMINARY REPORTS FOR THE AFTERNOON AND EVENING OF JULY 6...
TIME (CDT) COUNTY EVENT
420 PM CRAWFORD & NUMEROUS TREES WERE KNOCKED DOWN IN AND
WASHINGTON NEAR BERRYMAN ALONG THE COUNTY LINE.
MISSOURI REPORTED BY CRAWFORD COUNTY SHERIFF.
530 PM STE GENEVIEVE TREES AND POWER LINES DOWN IN BLOOMSDALE.
MISSOURI REPORTED BY COUNTY SHERIFF.
SHEAThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 10:37 PM CDT | Flash Flood Warning | LSX | Franklin | 3 hr |
| Jul 7, 9:19 AM CDT | Flash Flood Warning | LSX | Lincoln | 109 min |
| Jul 7, 1:34 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 41 min |
| Jul 7, 2:03 PM CDT | Flash Flood Warning | LSX | Saint Charles | 5 hr |
| Jul 7, 2:16 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 44 min |
Nearby
Flash Flood Warnings in Missouri, 1993Every flash flood warning in 1993
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.