Alert archive / Missouri / Tornado Warnings in 1993
Tornado Warning 10, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jul 31, 1993, 5:32 PM CDT for City of Saint Louis, Missouri. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1993, 5:32 PM CDT (22:32 UTC)
- Expired
- Jul 31, 1993, 6:00 PM CDT
- In force
- 28 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County City of Saint Louis, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.5 hours before the alert went out and 217 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 312233 TORSTL MOC510-312300- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 532 PM CDT SAT JUL 31 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI THE INDEPENDENT CITY OF ...ST LOUIS CITY AT 528 PM...A FUNNEL CLOUD WAS REPORTED AT LAMBERT FIELD IN ST LOUIS COUNTY. SEVERAL OTHER REPORTS OF FUNNEL CLOUDS AND TORNADO TOUCHDOWNS HAVE BEEN RECEIVED. AT 528 PM...THE NATIONAL GUARD REPORTED A CONFIRMED TOUCHDOWN IN THE PORTAGE DES SIOUX AREA OF NORTHERN ST CHARLES COUNTY. THIS DANGEROUS STORM IS MOVING EAST SOUTHEAST AT 35 MILES AN HOUR. RESIDENTS IN THE CITY OF ST LOUIS SHOULD TAKE SHELTER NOW. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THXE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT. SHEA/RP &
What forecasters said that day
The local office's own words before this tornado 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 31, 3:05 PM CDT, 2 hours 27 minutes before
MOZ006-312100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 305 PM CDT SAT JUL 31 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL MISSOURI UNTIL 800 PM... AT 305 PM...STRONG THUNDERSTORMS WERE MOVING TO THE SOUTHEAST ACROSS NORTHERN PARTS OF CENTRAL MISSOURI. THE LEADING EDGE OF THE STORMS WAS FROM 20 MILES NORTH OF MARHALL...NEAR BRUNSWICK...TO 20 MILES NORTHEAST OF MOBERLY. THE STRONGEST STORMS WERE IN A LINE FROM 5 MILES NORTH OF SALISBURY TO 20 MILES NORTHEAST OF MOBERLY...NEAR SHELBINA. THESE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. THE TOWNS OF HIGBEE...HARRISBURG...CLARK AND CENTRALIA ARE IN THE PATH OF THESE STORMS BEFORE 400 PM. THESE STORMS COULD BECOME SEVERE AT ANY MOMENT...SO BE PREPARED FOR LARGE HAIL AND DAMAGING WINDS...ALONG WITH HEAVY RAINS AND DEADLY LIGHTNING. STAY INDOORS AND AWAY FROM WINDOWS. BE ALERT FOR FLOODED STREETS AND SMALL STREAMS. NEVER CROSS A FLOODED ROADWAY. IF YOU SPOT SEVERE WEATHER...CALL THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY OF THE INFORMATION TO THE NATIONAL WEATHER SERVICE. STANLEY
Special weather statement, Jul 31, 3:07 PM CDT, 2 hours 25 minutes before
MOZ001-002-004-005-008-009-312300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 315 PM CDT SAT JUL 31 1993 ...A NEW SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF NORTHWEST MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHWEST MISSOURI UNTIL 1000 PM. THIS NEW WATCH AREA INCLUDES THE KANSAS CITY METRO AREA AND ST JOSEPH. CONDITIONS REMAIN FAVORABLE ACROSS THIS AREA FOR SEVERE THUNDERSTORMS AND VERY HEAVY RAIN. IF YOU LIVE IN OR CLOSE TO THE WATCH AREA... REMAIN ALERT FOR SEVERE THUNDERSTORMS WHICH PRODUCE LARGE HAIL... DAMAGING WIND AND FREQUENT LIGHTNING. IF STORMS APPROACH...MOVE TO A PLACE OF SHELTER AND LI`STEN FOR LATER UPDATES. SHEA
Special weather statement, Jul 31, 3:13 PM CDT, 2 hours 19 minutes before
MOZ006-312100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 305 PM CDT SAT JUL 31 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL MISSOURI UNTIL 800 PM... AT 305 PM...STRONG THUNDERSTORMS WERE MOVING TO THE SOUTHEAST ACROSS NORTHERN PARTS OF CENTRAL MISSOURI. THE LEADING EDGE OF THE STORMS WAS FROM 20 MILES NORTH OF MARHALL...NEAR BRUNSWICK...TO 20 MILES NORTHEAST OF MOBERLY. THE STRONGEST STORMS WERE IN A LINE FROM 5 MILES NORTH OF SALISBURY TO 20 MILES NORTHEAST OF MOBERLY...NEAR SHELBINA. THESE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. THE TOWNS OF HIGBEE...HARRISBURG...CLARK AND CENTRALIA ARE IN THE PATH OF THESE STORMS BEFORE 400 PM. THESE STORMS COULD BECOME SEVERE AT ANY MOMENT...SO BE PREPARED FOR LARGE HAIL AND DAMAGING WINDS...ALONG WITH HEAVY RAINS AND DEADLY LIGHTNING. STAY INDOORS AND AWAY FROM WINDOWS. BE ALERT FOR FLOODED STREETS AND SMALL STREAMS. NEVER CROSS A FLOODED ROADWAY. IF YOU SPOT SEVERE WEATHER...CALL THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY OF THE INFORMATION TO THE NATIONAL WEATHER SERVICE. STANLEY
Special weather statement, Jul 31, 3:15 PM CDT, 2 hours 17 minutes before
MOZ001-002-004-005-008-009-312300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 315 PM CDT SAT JUL 31 1993 ...A NEW SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF NORTHWEST MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHWEST MISSOURI UNTIL 1000 PM. THIS NEW WATCH AREA INCLUDES THE KANSAS CITY METRO AREA AND ST JOSEPH. CONDITIONS REMAIN FAVORABLE ACROSS THIS AREA FOR SEVERE THUNDERSTORMS AND VERY HEAVY RAIN. IF YOU LIVE IN OR CLOSE TO THE WATCH AREA... REMAIN ALERT FOR SEVERE THUNDERSTORMS WHICH PRODUCE LARGE HAIL... DAMAGING WIND AND FREQUENT LIGHTNING. IF STORMS APPROACH...MOVE TO A PLACE OF SHELTER AND LISTEN FOR LATER UPDATES. SHEA
Special weather statement, Jul 31, 4:15 PM CDT, 1 hour 17 minutes before
MOZ012-312330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 415 PM CDT SAT JUL 31 1993 ...STRONG WINDS ARE HEADING TOWARDS ST LOUIS... A LINE OF STRONG TO SEVERE THUNDERSTORMS WAS MOVING OUT OF NORTHEAST MISSOURI AND TOWARDS ST LOUIS THIS AFTERNOON. THESE STORMS HAVE PRODUCED WIND DAMAGE AND GUSTS TO 60 MILES AN HOUR OVER AREAS NORTHWEST OF ST LOUIS. AS THESE STORMS MOVE SOUTHEAST...PEOPLE IN THE ST LOUIS AREA AND ESPECIALLY PEOPLE WORKING AROUND THE RIVER FLOODING SHOULD PREPARE FOR POSSIBLE SEVERE WEATHER AND STRONG WIND. THESE STORMS SHOULD ARRIVE IN THE AT LOUIS METRO AREA BETWEEN 530 AND 630 PM. ALL PEOPLE ON BOATS OR LEVEES HELPING WITH FLOOD PROBLEMS SHOULD BE ADVISED OF THESE APPROACHING STORMS AND BE READY TO FIND SHELTER. SHEA
Special weather statement, Jul 31, 4:17 PM CDT, 1 hour 15 minutes before
MOZ012-312330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 415 PM CDT SAT JUL 31 1993 ...STRONG WINDS ARE HEADING TOWARDS ST LOUIS... A LINE OF STRONG TO SEVERE THUNDERSTORMS WAS MOVING OUT OF NORTHEAST MISSOURI AND TOWARDS ST LOUIS THIS AFTERNOON. THESE STORMS HAVE PRODUCED WIND DAMAGE AND GUSTS TO 60 MILES AN HOUR OVER AREAS NORTHWEST OF ST LOUIS. AS THESE STORMS MOVE SOUTHEAST...PEOPLE IN THE ST LOUIS AREA AND ESPECIALLY PEOPLE WORKING AROUND THE RIVER FLOODING SHOULD PREPARE FOR POSSIBLE SEVERE WEATHER AND STRONG WIND. THESE STORMS SHOULD ARRIVE IN THE AT LOUIS METRO AREA BETWEEN 530 AND 630 PM. ALL PEOPLE ON BOATS OR LEVEES HELPING WITH FLOOD PROBLEMS SHOULD BE ADVISED OF THESE APPROACHING STORMS AND BE READY TO FIND SHELTER. SHEA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 10:41 PM CDT | Flash Flood Warning | LSX | Saint Louis | 3 hr |
| Jul 31, 3:06 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Shelby | 54 min |
| Jul 31, 4:02 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 43 min |
| Jul 31, 4:08 PM CDT | Severe Thunderstorm Warning | LSX | Audrain | 37 min |
| Jul 31, 4:14 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 46 min |
| Jul 31, 4:31 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 44 min |
| Jul 31, 5:02 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Warren | 43 min |
| Jul 31, 5:15 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 45 min |
| Jul 31, 5:15 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 45 min |
| Jul 31, 5:20 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis | 40 min |
| Jul 31, 5:37 PM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 2 hr |
| Jul 31, 5:53 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 52 min |
| Jul 31, 6:30 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 45 min |
Nearby
Tornado Warnings in Missouri, 1993Every tornado warning in 1993Tornadoes 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.