Alert archive / Missouri / Tornado Warnings in 1993
Tornado Warning 18, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Sep 13, 1993, 8:37 PM CDT for Jefferson County, Missouri. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1993, 8:37 PM CDT (01:37 UTC)
- Expired
- Sep 13, 1993, 9:12 PM CDT
- In force
- 35 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Jefferson County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.6 hours before the alert went out and 209 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
- 1598 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 214 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 140139 TORSTL MOC099-140215- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 837 PM CDT MON SEP 13 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...NORTHWESTERN JEFFERSON COUNTY AT 835 PM CDT...NWS DOPPLER RADAR INDICATED A POSSIBLE TORNADO OVER THE FRANKLIN/JEFFERSON COUNTY LINE NEAR GRUBVILLE...OR 40 MILES SOUTHWEST OF ST. LOUIS. THE STORM WAS MOVING NORTHEAST A 40 MILES AN HOUR AND WILL BE MOVING NEAR THE TOWN OF DITTMER AND CEDAR HILL BY 855 PM. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. JPK/TJS
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, Sep 13, 7:28 PM CDT, 1 hour 9 minutes before
MOZ012-140130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 728 PM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS WERE OVER ST. CHARLES COUNTY MISSOURI AND JERSEY COUNTY ILLINOIS... AT 726 PM CDT NWS DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS NEAR THE ST. LOUIS METRO AREA. ONE STORM WAS OVER NORTHWEST ST. CHARLES COUNTY JUST NORTH OF O'FALLON. ANOTHER STRONG STORM WAS OVER JERSEY COUNTY JUST NORTH OF GRAFTON...OR 30 MILES NORTH OF ST. LOUIS. THESE STORMS WILL LIKELY PRODUCE STRONG GUSTY WINDS AND BRIEF HEAVY RAIN. THE STORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. JPK /TJS
Special weather statement, Sep 13, 7:28 PM CDT, 1 hour 9 minutes before
MOZ012-140130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 728 PM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS WERE OVER ST. CHARLES COUNTY MISSOURI AND JERSEY COUNTY ILLINOIS... AT 726 PM CDT NWS DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS NEAR THE ST. LOUIS METRO AREA. ONE STORM WAS OVER NORTHWEST ST. CHARLES COUNTY JUST NORTH OF O'FALLON. ANOTHER STRONG STORM WAS OVER JERSEY COUNTY JUST NORTH OF GRAFTON...OR 30 MILES NORTH OF ST. LOUIS. THESE STORMS WILL LIKELY PRODUCE STRONG GUSTY WINDS AND BRIEF HEAVY RAIN. THE STORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. JPK /TJS
Special weather statement, Sep 13, 8:21 PM CDT, 16 minutes before
MOZALL-140230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 821 PM CDT MON SEP 13 1993 ...A TORNADO WATCH IS IN EFFECT UNTIL 200 AM CDT FOR PORTIONS OF CENTRAL...EAST CENTRAL...AND SOUTHWEST MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH THIS MONDAY EVENING INTO EARLY TUESDAY MORNING FOR PORTIONS OF CENTRAL...EAST CENTRAL...AND SOUTHWESTERN MISSOURI. THIS WATCH INCLUDES THE CITIES OF COLUMBIA...SPRINGFIELD...FORT LEONARD WOOD...ROLLA...AND THE ST LOUIS METRO AREA. WEATHER SERVICE RADARS INDICATED WIDESPREAD SHOWERS AND THUNDERSTORMS EXTENDING FROM EASTERN KANSAS INTO EAST CENTRAL MISSOURI. LATEST DATA INDICATE THAT ATMOSPHERIC CONDITIONS ARE BECOMING MORE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS CONTAINING STRONG DAMAGING WINDS AND POSSIBLE TORNADOES. . PEOPLE IN AND CLOSE TO THE WATCH AREA ARE ADVISED TO KEEP ABREAST OF THE LATEST WEATHER DEVELOPEMENTS BY MONITORING NOAA WEATHER RADIO AND OR LOCAL MEDIA SOURCES. FG
Special weather statement, Sep 13, 8:22 PM CDT, 15 minutes before
MOZALL-140230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 821 PM CDT MON SEP 13 1993 ...A TORNADO WATCH IS IN EFFECT UNTIL 200 AM CDT FOR PORTIONS OF CENTRAL...EAST CENTRAL...AND SOUTHWEST MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH THIS MONDAY EVENING INTO EARLY TUESDAY MORNING FOR PORTIONS OF CENTRAL...EAST CENTRAL...AND SOUTHWESTERN MISSOURI. THIS WATCH INCLUDES THE CITIES OF COLUMBIA...SPRINGFIELD...FORT LEONARD WOOD...ROLLA...AND THE ST LOUIS METRO AREA. WEATHER SERVICE RADARS INDICATED WIDESPREAD SHOWERS AND THUNDERSTORMS EXTENDING FROM EASTERN KANSAS INTO EAST CENTRAL MISSOURI. LATEST DATA INDICATE THAT ATMOSPHERIC CONDITIONS ARE BECOMING MORE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS CONTAINING STRONG DAMAGING WINDS AND POSSIBLE TORNADOES. . PEOPLE IN AND CLOSE TO THE WATCH AREA ARE ADVISED TO KEEP ABREAST OF THE LATEST WEATHER DEVELOPEMENTS BY MONITORING NOAA WEATHER RADIO AND OR LOCAL MEDIA SOURCES. FG
Special weather statement, Sep 13, 8:24 PM CDT, 13 minutes before
MOZ011-140230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 824 PM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS WERE OVER SOUTHEAST FRANKLIN COUNTY... AT 819 PM CDT NWS DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER SOUTHEAST FRANKLIN COUNTY. THE STORMS WERE GENERALLY SOUTHEAST OF INTERSTATE 44. THE STORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. PEOPLE NEAR MERAMEC STATE PARK...ROBERTSVILLE STATE PARK...AND THE TOWNS OF PINEY PARK...GRUBVILLE...AND ROBERTSVILLE SHOULD BE ON THE LOOK OUT FOR STRONG GUSTY WINDS...HEAVY RAIN AND FREQUENT LIGHTNING FROM 825 PM TO ABOUT 900 PM. JPK/TJS
Special weather statement, Sep 13, 8:27 PM CDT, 10 minutes before
MOZ011-140230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 824 PM CDT MON SEP 13 1993 ...STRONG THUNDERSTORMS WERE OVER SOUTHEAST FRANKLIN COUNTY... AT 819 PM CDT NWS DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER SOUTHEAST FRANKLIN COUNTY. THE STORMS WERE GENERALLY SOUTHEAST OF INTERSTATE 44. THE STORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. PEOPLE NEAR MERAMEC STATE PARK...ROBERTSVILLE STATE PARK...AND THE TOWNS OF PINEY PARK...GRUBVILLE...AND ROBERTSVILLE SHOULD BE ON THE LOOK OUT FOR STRONG GUSTY WINDS...HEAVY RAIN AND FREQUENT LIGHTNING FROM 825 PM TO ABOUT 900 PM. JPK/TJS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 7:19 PM CDT | Tornado Warning | LSX | Crawford | 41 min |
| Sep 13, 7:39 PM CDT | Tornado Warning | LSX | Washington | 36 min |
| Sep 14, 1:14 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Warren | 36 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.