Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 168, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Sep 13, 1993, 6:36 PM CDT for Crawford County, Dent County, Missouri. It was in force for 39 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 13, 1993, 6:36 PM CDT (23:36 UTC)
- Expired
- Sep 13, 1993, 7:15 PM CDT
- In force
- 39 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Crawford County, MO, Dent County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 13, 7:25 PM CDT | Tornado F0 | Steelville, MO | A tornado touched down briefly along County Road T damaging a roof of a house and knocking down an area of trees. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Springfield, MO (KUMN), launched 12:00Z, 11.6 hours before the alert went out and 234 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
- 876 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 312 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 6.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Sep 13, 3:08 PM CDT, 3 hours 28 minutes before
MOZ004-005-008-132215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 308 PM CDT MON SEP 13 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF NORTHWEST AND WEST CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHWEST AND WEST CENTRAL MISSOURI...INCLUDING THE KANSAS CITY AND ST JOSEPH AREAS. THE WATCH WILL BE IN EFFECT UNTIL 900 PM THIS EVENING. AS A STRONG COLD FRONT APPROACHES FROM THE NORTHWEST...CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...FREQUENT LIGHTNING AND VERY HEAVY RAIN. OCCASIONALLY SEVERE THUNDERSTORMS ALSO PRODUCE TORNADOES SO REMAIN ALERT. FOR LATER STATEMENTS AND POSSIBLE WARNINGS...TUNE TO NOAA WEATHER RADIO. SHEA
Special weather statement, Sep 13, 3:09 PM CDT, 3 hours 27 minutes before
MOZ004-005-008-132215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 308 PM CDT MON SEP 13 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF NORTHWEST AND WEST CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHWEST AND WEST CENTRAL MISSOURI...INCLUDING THE KANSAS CITY AND ST JOSEPH AREAS. THE WATCH WILL BE IN EFFECT UNTIL 900 PM THIS EVENING. AS A STRONG COLD FRONT APPROACHES FROM THE NORTHWEST...CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...FREQUENT LIGHTNING AND VERY HEAVY RAIN. OCCASIONALLY SEVERE THUNDERSTORMS ALSO PRODUCE TORNADOES SO REMAIN ALERT. FOR LATER STATEMENTS AND POSSIBLE WARNINGS...TUNE TO NOAA WEATHER RADIO. SHEA
Special weather statement, Sep 13, 5:45 PM CDT, 51 minutes before
MOZ019-020-140500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 545 PM CDT MON SEP 13 1993 ...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL MISSOURI. THE WATCH IS IN EFFECT UNTIL MIDNIGHT AND INCLUDES THE JOPLIN...MONETT AND BRANSON AREAS. STRONG THUNDERSTORMS OVER OKLAHOMA ARE EXPECTED TO MOVE NORTHEAST INTO SOUTHWEST MISSOURI TONIGHT. CONDITIONS ARE SUCH...THAT SOME OF THE THUNDERSTORMS COULD BECOME SEVERE...POSSIBLY SPAWNING TORNADOES. FOR LATER STATEMENTS AND POSSIBLE WARNINGS...TUNE TO NOAA WEATHER RADIO. FERRY
Special weather statement, Sep 13, 5:45 PM CDT, 51 minutes before
MOZ019-020-140500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 545 PM CDT MON SEP 13 1993 ...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL MISSOURI. THE WATCH IS IN EFFECT UNTIL MIDNIGHT AND INCLUDES THE JOPLIN...MONETT AND BRANSON AREAS. STRONG THUNDERSTORMS OVER OKLAHOMA ARE EXPECTED TO MOVE NORTHEAST INTO SOUTHWEST MISSOURI TONIGHT. CONDITIONS ARE SUCH...THAT SOME OF THE THUNDERSTORMS COULD BECOME SEVERE...POSSIBLY SPAWNING TORNADOES. FOR LATER STATEMENTS AND POSSIBLE WARNINGS...TUNE TO NOAA WEATHER RADIO. FERRY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 5:12 PM CDT | Tornado Warning | LSX | Crawford | 33 min |
| Sep 13, 5:37 PM CDT | Tornado Warning | LSX | Franklin | 38 min |
| Sep 13, 5:57 PM CDT | Tornado Warning | LSX | Crawford, Franklin | 33 min |
| Sep 13, 6:30 PM CDT | Tornado Warning | LSX | Franklin | 30 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.