Alert archive / Missouri / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 27, 1994, 6:02 PM CDT for Madison County, Saint Francois County, Missouri. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Apr 27, 1994, 6:02 PM CDT (23:02 UTC)
- Expired
- Apr 27, 1994, 6:45 PM CDT
- In force
- 43 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Madison County, MO, Saint Francois County, MO
The radar
The St Louis radar (KLSX), 120 km from the middle of the area, began a volume at 23:04 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 12:00Z, 11.0 hours before the alert went out and 164 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
- 1797 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 272304 SVRSTL MOC187-123-272345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 602 PM CDT WED APR 27 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS IS
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Apr 27, 4:28 PM CDT, 1 hour 34 minutes before
MOZ052-027-036-035-ILZ095-096-097-272330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 427 PM CDT WED APR 27 1994 ...THUNDERSTORMS HEADED FOR NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS... AT 420 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS OVER CENTRAL MISSOURI. THE STORMS WERE JUST EAST OF COLUMBIA AND MOVING NORTHEAST AT 30 MPH. THE THUNDERSTORMS WILL BE MOVING INTO THE BOWLING GREEN...HANNIBAL AND QUIN~CY ILLINOIS AREAS BETWEEN 5 AND 6 PM. THESE STORMS STORMS WILL PRODUCE BRIEF HEAVY RAINS...HAIL AND STRONG WIND GUSTS AS THEY MOVE THROUGH. FERRY/TRUETT
Special weather statement, Apr 27, 4:39 PM CDT, 1 hour 23 minutes before
MOZ051-272240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MISSOURI 436 PM CDT WED APR 27 1994 ...A STRONG THUNDERSTORM IS MOVING INTO MONTGOMERY COUNTY... AT 433PM CDT WEATHER SERVICE RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN STRETCHING FROM 5 MILES SOUTHEAST OF MEXICO TO 25 MILES SOUTHEAST OF MEXICO. PEA SIZED HAIL WAS REPORTED WITH THIS STORM AS IT MOVED THROUGH BOONE...CALLAWAY...AND AUDRAIN COUNTIES. THIS STORM WAS MOVING EAST AT 35MPH TOWARDS THE COMMUNITIES OF WELLSVILLE...MONTGOMERY CITY...AND BELLFLOWER. PEOPLE ACROSS MONTGOMERY COUNTY SHOULD BE PREPARED TO SEEK SHELTER QUICKLY IF THREATENING WEATHER APPROACHES. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. REAUGH
Special weather statement, Apr 27, 5:45 PM CDT, 17 minutes before
MOZ052-027-036-035-ILZ095-096-097-272340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 544 PM CDT WED APR 27 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR PORTIONS OF WEST CENTRAL MISSOURI AND EAST CENTRAL KANSAS HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH FOR THE COUNTIES OF CLAY...JACKSON... PLATTE...RAY IN MISSOURI...AND JOHNSON...LEAVENWORTH...AND WYANDOTTE IN KANSAS HAS BEEN CANCELLED. SHOWERS AND THUNDERSTORMS RHAVE DECREASED IN INTENSITY...AND SHOULD NO LONGER HAVE A SEVERE WEATHER POTENTIAL. METZE
Special weather statement, Apr 27, 5:47 PM CDT, 15 minutes before
MOZ028-029-030-037-038-KSZ103-104-105-272340- SPECIAL WEATHER STATEMENT...CORRECTION FOR CODING NATIONAL WEATHER SERVICE ST LOUIS MO 544 PM CDT WED APR 27 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR PORTIONS OF WEST CENTRAL MISSOURI AND EAST CENTRAL KANSAS HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH FOR THE COUNTIES OF CLAY...JACKSON... PLATTE...RAY IN MISSOURI...AND JOHNSON...LEAVENWORTH...AND WYANDOTTE IN KANSAS HAS BEEN CANCE^LLED. SHOWERS AND THUNDERSTORMS HAVE DECREASED IN INTENSITY...AND SHOULD NO LONGER HAVE A SEVERE WEATHER POTENTIAL. METZE
Special weather statement, Apr 27, 5:48 PM CDT, 14 minutes before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-280050- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MISSOURI 546 PM CDT WED APR 27 1994 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF CENTRAL MISSOURI UNTIL 900 PM TONIGHT... AT 540 PM...WEATHER RADAR INDICATED WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS OVER A LARGE PORTION OF MID MISSOURI. A BROAD BAND OF HEAVY SHOWERS AND STRONG THUNDERSTORMS COVERED MOST OF WEST AND NORTH CENTRAL MISSOURI...WEST AND NORTH OF A LINE THAT EXTENDED FROM 50 MILES SOUTHWEST OF SEDALIA...TO 20 MILES NORTH OF COLUMBIA...TO 40 MILES EAST OF COLUMBIA. OTHER STORMS WERE CLUSTERED SOUTHEAST OF THE LAKE OF THE OZARKS...OVER PULASKI COUNTY. THE AREA OF SHOWERS AS A WHOLE WAS SLOWLY DRIFTING EASTWARD...WHILE INDIVIDUAL STORMS WERE MOVING NORTHEAST AT 35 MPH. HAIL AND STRONG GUSTY WINDS WILL ACCOMPANY THE THUNDERSTORMS AND THE WIDESPREAD AND OCCASIONALLY HEAVY RAIN MAY CAUSE SOME LOCALIZED FLOODING. THE STORMS WILL SPREAD ACROSS ALL OF MISSOURI DURING THE NEXT SEVERAL HOURS AND RESIDENTS ARE URGED TO KEEP ABREAST OF CHANGING WEATHER CONDITIONS BY LISTENING TO WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNING`S. IF YOU EXPERIENCE SEVERE WEATHER IN YOUR AREA...REPORT OCCURRENCES TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. PERLOW
Special weather statement, Apr 27, 5:51 PM CDT, 11 minutes before
MOZ052-061-063-064-060-272345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 549 PM CDT WED APR 27 1994 ...SEVERE THUNDERSTORM WATCH UNTIL 1000 PM... AT 545 PM...RADAR SHOWED STRONG THUNDERSTORMS FROM EASTERN LINCOLN COUNTY THROUGH WESTERN ST CHARLES AND EASTERN WARREN COUNTIES. THESE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. THESE STORMS WILL EFFEECT THE NORTHERN PORTION OF THE ST LOUIS AREA THROUGH 700 PM THIS EVENlING. YOU CAN EXPECT DEADLY LIGHTNING... HEAVY RAIN...GUSTY WINDS...AND SMALL HAIL. MOTORISTS SHOULD BE CAREFUL OF WATER PONDING OF ROADWAYS. FG/DF
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 7:08 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 67 min |
| Apr 26, 7:17 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 58 min |
| Apr 26, 7:27 PM CDT | Severe Thunderstorm Warning | LSX | Phelps | 63 min |
| Apr 26, 7:32 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Dent | 43 min |
| Apr 26, 7:46 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 59 min |
| Apr 26, 7:47 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 43 min |
| Apr 26, 8:00 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 60 min |
| Apr 26, 8:15 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 60 min |
| Apr 26, 8:29 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 46 min |
| Apr 26, 8:34 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 56 min |
| Apr 26, 8:39 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 66 min |
| Apr 26, 8:47 PM CDT | Tornado Warning | LSX | Crawford | 43 min |
| Apr 26, 8:52 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 68 min |
| Apr 26, 9:16 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 59 min |
| Apr 26, 9:21 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Pike | 54 min |
| Apr 26, 9:23 PM CDT | Tornado Warning | LSX | Jefferson | 52 min |
| Apr 26, 9:35 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Saint Francois | 55 min |
| Apr 26, 9:46 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 59 min |
| Apr 26, 9:54 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 66 min |
| Apr 27, 12:12 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson | 48 min |
| Apr 27, 12:33 AM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 42 min |
| Apr 27, 2:00 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Saint Francois, Washington | 45 min |
| Apr 27, 2:40 AM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 50 min |
| Apr 27, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 36 min |
| Apr 27, 5:07 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 68 min |
| Apr 27, 6:30 PM CDT | Tornado Warning | LSX | Iron, Reynolds | 60 min |
| Apr 27, 6:38 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 48 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1994Every severe thunderstorm warning in 1994
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.