Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 5, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 19, 1993, 6:39 PM CDT for Crawford County, Franklin County, Missouri. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Apr 19, 1993, 6:39 PM CDT (23:39 UTC)
- Expired
- Apr 19, 1993, 7:15 PM CDT
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Crawford County, MO, Franklin County, MO
The radar
The St Louis radar (KLSX), 71 km from the middle of the area, began a volume at 23:41 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, 11.7 hours before the alert went out and 252 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
- 960 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 192340 SVRSTL MOC055-071-161-200015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 639 PM CDT MON APR 19 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...NORTHERN CRAWFORD COUNTY...FRANKLIN COUNTY ...NORTHERN PHELPS COUNTY AT 638 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS FROM JUST NORTH OF ROLLA TO 30 NORTHEAST OF ROLLA. STORMS WERE MOVING TO THE NORTHEAST AT 45 MPH. SOME TOWNS IN THE THREAT AREA ARE ST. JAMES...CUBA...BOURBON...AND BEAUFORT. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. METZE/TRUETT
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 19, 5:56 PM CDT, 43 minutes before
MOZ007-011-012-017-200000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 556 PM CDT MON APR 19 1993 ...TORNADO WATCH FOR PORTIONS OF NORTHEAST AND EAST CENTRAL MISSOURI UNTIL 8 PM CDT... AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 40 MILES NORTHEAST OF QUINCY...ILLINOIS TO ABOUT 30 MILES EAST OF COLUMBIA...MISSOURI TO 60 MILES SOUTHWEST OF ROLL THESE STORMS WERE MOVING TO THE NORTHEAST AT 40 MPH. THIS LINE OF THUNDERSTORMS HAD A HISTORY OF PRODUCING LARGE HAIL AND GUSTY WINDS ACROSS WEST CENTRAL MISSOURI EARLIER THIS AFTERNOON. THE STRONG THUNDERSTORMS ARE FORECAST TO MOVE INTO THE ST. LOUIS METROPOLITAN AREA BETWEEN SIX AND SEVEN THIS EVENING..AND ROLLA A LITTLE AFTER SIX THIS EVENING. IF THESE STORMS MOVE INTO YOUR AREA AND YOU ARE CAUGHT OUTDOORS...TAKE SHELTER IN A STRONG AND STURDY BUILDING. IF INDOORS...STAY AWAY FROM WINDOWS AND HEAD TO THE BASEMENT OR STRONG ROOM IN YOUR BUILDING. METZE
Special weather statement, Apr 19, 5:56 PM CDT, 43 minutes before
MOZ007-011-012-017-200000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 556 PM CDT MON APR 19 1993 ...TORNADO WATCH FOR PORTIONS OF NORTHEAST AND EAST CENTRAL MISSOURI UNTIL 8 PM CDT... AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 40 MILES NORTHEAST OF QUINCY...ILLINOIS TO ABOUT 30 MILES EAST OF COLUMBIA...MISSOURI TO 60 MILES SOUTHWEST OF ROLL THESE STORMS WERE MOVING TO THE NORTHEAST AT 40 MPH. THIS LINE OF THUNDERSTORMS HAD A HISTORY OF PRODUCING LARGE HAIL AND GUSTY WINDS ACROSS WEST CENTRAL MISSOURI EARLIER THIS AFTERNOON. THE STRONG THUNDERSTORMS ARE FORECAST TO MOVE INTO THE ST. LOUIS METROPOLITAN AREA BETWEEN SIX AND SEVEN THIS EVENING..AND ROLLA A LITTLE AFTER SIX THIS EVENING. IF THESE STORMS MOVE INTO YOUR AREA AND YOU ARE CAUGHT OUTDOORS...TAKE SHELTER IN A STRONG AND STURDY BUILDING. IF INDOORS...STAY AWAY FROM WINDOWS AND HEAD TO THE BASEMENT OR STRONG ROOM IN YOUR BUILDING. METZE
Special weather statement, Apr 19, 6:31 PM CDT, 8 minutes before
MOZ017-200030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 631 PM CDT MON APR 19 1993 ...A TORNADO WATCH IS IN EFFECT FOR EAST CENTRAL AND SOUTHEAST MISSOURI UNTIL 12AM CDT TUESDAY... AT 628 PM CDT...STRONG THUNDERSTORMS HAD MOVED INTO THE ROLLA AREA. THESE STORMS WERE MOVING TO THE NORTHEAST AT 40 MPH...AND ARE EXPECTED TO PRODUCED LARGE HAIL...HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLE TORNADOES. IF OUTDOORS...TAKE COVER IN A STRONG STURDY SHELTER. IF INDOORS...STAY AWAY FROM WINDOWS AND HEAD FOR A BASEMENT OR STURDY ROOM AND COVER YOUR HEAD. METZE
Special weather statement, Apr 19, 6:31 PM CDT, 8 minutes before
MOZ017-200030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 631 PM CDT MON APR 19 1993 ...A TORNADO WATCH IS IN EFFECT FOR EAST CENTRAL AND SOUTHEAST MISSOURI UNTIL 12AM CDT TUESDAY... AT 628 PM CDT...STRONG THUNDERSTORMS HAD MOVED INTO THE ROLLA AREA. THESE STORMS WERE MOVING TO THE NORTHEAST AT 40 MPH...AND ARE EXPECTED TO PRODUCED LARGE HAIL...HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLE TORNADOES. IF OUTDOORS...TAKE COVER IN A STRONG STURDY SHELTER. IF INDOORS...STAY AWAY FROM WINDOWS AND HEAD FOR A BASEMENT OR STURDY ROOM AND COVER YOUR HEAD. METZE
Special weather statement, Apr 19, 6:34 PM CDT, 5 minutes before
MOZ012-017-018-200500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 635 PM CDT MON APR 19 1993 ...A TORNADO WATCH IS IN EFFECT FOR EASTERN AND SOUTHEAST MISSOURI UNTIL MIDNIGHT... ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL AND EASTERN AND A SMALL PORTION OF SOUTHWEST MISSOURI UNTIL 8 PM... THE NATIONAL WEATHER SERVICE HAS ISSUED A NEW TORNADO WATCH WHICH INCLUDES EAST CENTRAL AND SOUTHEAST MISSOURI. THE NEW WATCH...NUMBER 145 WILL BE IN EFFECT UNTIL MIDNIGHT. THE PREVIOUS WATCH WILL EXPIRE AT 8 PM. TUCKER
Special weather statement, Apr 19, 6:35 PM CDT, 4 minutes before
MOZ012-017-018-200500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 635 PM CDT MON APR 19 1993 ...A TORNADO WATCH IS IN EFFECT FOR EASTERN AND SOUTHEAST MISSOURI UNTIL MIDNIGHT... ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL AND EASTERN AND A SMALL PORTION OF SOUTHWEST MISSOURI UNTIL 8 PM... THE NATIONAL WEATHER SERVICE HAS ISSUED A NEW TORNADO WATCH WHICH INCLUDES EAST CENTRAL AND SOUTHEAST MISSOURI. THE NEW WATCH...NUMBER 145 WILL BE IN EFFECT UNTIL MIDNIGHT. THE PREVIOUS WATCH WILL EXPIRE AT 8 PM. TUCKER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Phelps | 36 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1993Every severe thunderstorm 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.