Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 66, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Sep 23, 1993, 2:34 AM CDT for Franklin County, Missouri. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 23, 1993, 2:34 AM CDT (07:34 UTC)
- Expired
- Sep 23, 1993, 6:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Franklin County, MO
The radar
The St Louis radar (KLSX), 47 km from the middle of the area, began a volume at 07:33 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
Paducah/Barkley, KY (KPAH), launched 00:00Z, 7.6 hours before the alert went out and 257 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
- 60 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1576 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 325 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 230737 FFWSTL MOC071-231130- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 234 AM CDT THU SEP 23 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 630 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...FRANKLIN COUNTY AT 235 PM CDT...NWS DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDING FROM SOUTHEAST FRANKLIN COUNTY TO NORTHERN GASCONNADE COUNTY...THEN WEST TO NEAR JEFFERSON CITY. THESE STORMS WERE MOVING EAST ABOUT 30 MILES AN HOUR. AN ADDITIONAL 1 TO 2 INCHES OF RAIN CAN BE EXPECTED FROM THESE STORMS OVER THE NEXT 2 TO 3 HOURS. THIS RAIN WILL FALL OVER AREA THAT HAVE ALREADY HAVE HAD FLOODING PROBLEMS FROM HEAVY RAINS WEDNESDAY NIGHT. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. JPK
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, Sep 22, 9:42 PM CDT, 4 hours 52 minutes before
MOZ013-015-230345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 940 PM CDT WED SEP 22 1993 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN MISSOURI HAS BEEN CANCELLED... AT 935 PM...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE CENTRAL THIRD OF MISSOURI. THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS. THE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. A FLASH FLOOD WATCH\ REMAINS IN EFFECT FOR MUCH OF CENTRAL MISSOURI FOR THE REST OF THE NIGHT. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST INFORMATION ABOUT THESE STORMS. MORSE
Special weather statement, Sep 22, 9:53 PM CDT, 4 hours 41 minutes before
MOZ013-015-230345- SPECIAL WEATHER STATEMENT...CORRECTIOM NATIONAL WEATHER SERVICE ST LOUIS MO 955 PM CDT WED SEP 22 1993 ...THE SEVERE THUNDERSTORM WATCH FOR WESTERN MISSOURI HAS BEEN CANCELLED... AT 935 PM...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE CENTRAL THIRD OF MISSOURI. THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS. THE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL MISSOURI FOR THE REST OF THE NIGHT. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST INFORMATION ABOUT THESE STORMS. MORSE
Special weather statement, Sep 22, 9:55 PM CDT, 4 hours 39 minutes before
MOZ013-015-230345- SPECIAL WEATHER STATEMENT...CORRECTIOM NATIONAL WEATHER SERVICE ST LOUIS MO 955 PM CDT WED SEP 22 1993 ...THE SEVERE THUNDERSTORM WATCH FOR WESTERN MISSOURI HAS BEEN CANCELLED... AT 935 PM...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE CENTRAL THIRD OF MISSOURI. THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS. THE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL MISSOURI FOR THE REST OF THE NIGHT. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST INFORMATION ABOUT THESE STORMS. MORSE
Local storm report, Sep 22, 11:30 PM CDT, 3 hours 4 minutes before
LOCAL STORM REPORT..COR..
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 PM CDT WED SEP 22 1993
TIME(CDT) COUNTY REPORT
630 PM WARREN TREES AND POWER LINES DOWN AT
MISSOURI NEW TRUXTON. REPORTED BY AMATEUR
RADIO OPERATOR.
PRZYBYLINSKILocal storm report, Sep 22, 11:32 PM CDT, 3 hours 2 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 PM CDT SUN SEP 19 1993
TIME(CDT) COUNTY REPORT
630 PM WARREN TREES AND POWER LINES DOWN AT
MISSOURI NEW TRUXTON. REPORTED BY AMATEUR
RADIO OPERATOR.
PRZYBYLINSKILocal storm report, Sep 22, 11:32 PM CDT, 3 hours 2 minutes before
LOCAL STORM REPORT..COR..
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 PM CDT WED SEP 22 1993
TIME(CDT) COUNTY REPORT
630 PM WARREN TREES AND POWER LINES DOWN AT
MISSOURI NEW TRUXTON. REPORTED BY AMATEUR
RADIO OPERATOR.
PRZYBYLINSKIThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:35 PM CDT | Flash Flood Warning | LSX | Saint Charles, Saint Louis, Warren | 3 hr |
| Sep 22, 8:35 PM CDT | Flash Flood Warning | LSX | City of Saint Louis | 3 hr |
| Sep 22, 9:25 PM CDT | Flash Flood Warning | LSX | Franklin | 3 hr |
| Sep 23, 1:19 AM CDT | Flash Flood Warning | LSX | Crawford, Saint Francois, Washington | 4 hr |
| Sep 23, 3:14 AM CDT | Flash Flood Warning | LSX | Jefferson | 4 hr |
| Sep 23, 7:41 AM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 3 hr |
| Sep 23, 7:41 AM CDT | Flash Flood Warning | LSX | Franklin, Jefferson | 3 hr |
| Sep 23, 7:41 AM CDT | Flash Flood Warning | LSX | Saint Charles | 3 hr |
| Sep 23, 8:41 AM CDT | Flash Flood Warning | LSX | Perry, Sainte Genevieve, Saint Francois, Washington | 3 hr |
| Sep 23, 8:55 AM CDT | Flash Flood Warning | LSX | Warren | 110 min |
| Sep 23, 10:24 AM CDT | Flash Flood Warning | LSX | Crawford | 4 hr |
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.