Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 13, 1993, 1:38 PM CDT for Monroe County, Missouri. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Apr 13, 1993, 1:38 PM CDT (18:38 UTC)
- Expired
- Apr 13, 1993, 2:30 PM CDT
- In force
- 52 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Monroe County, MO
The nearest sounding before it
Springfield, MO (KUMN), launched 12:00Z, 6.6 hours before the alert went out and 329 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
- 828 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 388 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 131840 SVRSTL MOC137-131930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 138 PM CDT TUE APR 13 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST MISSOURI ...CENTRAL AND SOUTHERN MONROE COUNTY AT 135 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 15 MILES SOUTHWEST OF PARIS...OR 30 MILES NORTH OF COLUMBIA... IN SOUTHWESTERN MONROE COUNTY. MOVEMENT WAS TO THE EAST NORTHEAST AT 30 MPH. THIS STORM WILL REACH THE COMMUNITY OF PARIS ABOUT 150 PM CDT THIS AFTERNOON. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. PEDIGO
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 13, 10:04 AM CDT, 3 hours 34 minutes before
MOZALL-131700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1004 AM CDT TUE APR 13 1993 ...SEVERE THUNDERSTORM WATCH 110 REMAINS IN EFFECT FOR PORTIONS OF WESTERN AND CENTRAL MISSOURI UNTIL 300 PM CDT THIS AFTERNOON... ...THE FLASH FLOOD WATCH HAS BEEN EXTENDED TO INCLUDE ALL OF CENTRAL MISSOURI... THE POTENTIAL FOR SEVERAL TYPES OF SIGNIFICANT WEATHER CONTINUES OVER CENTRAL MISSOURI THIS MORNING. AT 10 AM CDT RADAR INDICATED SCATTERED THUNDERSTORMS REFORMING ALONG AND NEAR INTERSTATE 70 BETWEEN ST LOUIS AND KANSAS CITY. IN ADDITION A LINE OF INTENSE THUNDERSTORMS TRAILED SOUTHWARD FROM NORTHWEST MISSOURI INTO EAST CENTRAL KANSAS. MARBLE SIZED HAIL HAS BEEN REPORTED IN PLATTE CITY...NEAR KANSA CITY AND PEA TO MARBLE SIZED HAIL IN THE COLUMBIA AREA JUST BEFORE 1000 AM THIS MORNING. THE STORMS WILL CONTINUE TO INCREASE THROUGH THE DAY. LOCALLY HEAVY RAIN IS VERY POSSIBLE ALONG AND 70 MILES EITHER SIDE OF INTERSTATE 70 BETWEEN ST LOUIS AND KANSAS CITY. A FLASH FLOOD WATCH CONTINUES FOR THE HEART OF THE STATE. RADAR ESTIMATES BY NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE 1 TO 3 INCHES OF RAIN FELL 40 MILES NORTH OF ST LOUIS IN PIKE COUNTY MISSOURI AND NORTHERN CALHOUN AND GREENE COUNTIES IN ILLIINOIS. IN ADDITION...HEAVY RAINS OF 2 TO 4 INCHES WERE INDICATED IN SOUTHERN GASCONADE...SOUTHERN OSAGE..AND NORTHERN MARIES COUNTIES...45 MILES SOUTHEAST OF COLUMBIA. PERSONS THROUGHOUT THE HEART OF MISSOURI SHOULD BE VERY AWARE OF POTENTIAL SERIOUS WEATHER TODAY. VERY STRONG THUNDERSTORMS WILL MOVE OUT OF KANSAS INTO SEVERAL WESTERN MISSOURI COUNTIES DURING THE REMAINDER OF THE MORNING. REMEMBER... BESIDES DAMAGING WIND AND HAIL...TORNADOES ARE ALSO POSSIBLE WITH SOME OF THESE STORMS. PEDIGO &
Special weather statement, Apr 13, 10:06 AM CDT, 3 hours 32 minutes before
MOZALL-131700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1004 AM CDT TUE APR 13 1993 ...SEVERE THUNDERSTORM WATCH 110 REMAINS IN EFFECT FOR PORTIONS OF WESTERN AND CENTRAL MISSOURI UNTIL 300 PM CDT THIS AFTERNOON... ...THE FLASH FLOOD WATCH HAS BEEN EXTENDED TO INCLUDE ALL OF CENTRAL MISSOURI... THE POTENTIAL FOR SEVERAL TYPES OF SIGNIFICANT WEATHER CONTINUES OVER CENTRAL MISSOURI THIS MORNING. AT 10 AM CDT RADAR INDICATED SCATTERED THUNDERSTORMS REFORMING ALONG AND NEAR INTERSTATE 70 BETWEEN ST LOUIS AND KANSAS CITY. IN ADDITION A LINE OF INTENSE THUNDERSTORMS TRAILED SOUTHWARD FROM NORTHWEST MISSOURI INTO EAST CENTRAL KANSAS. MARBLE SIZED HAIL HAS BEEN REPORTED IN PLATTE CITY...NEAR KANSA CITY AND PEA TO MARBLE SIZED HAIL IN THE COLUMBIA AREA JUST BEFORE 1000 AM THIS MORNING. THE STORMS WILL CONTINUE TO INCREASE THROUGH THE DAY. LOCALLY HEAVY RAIN IS VERY POSSIBLE ALONG AND 70 MILES EITHER SIDE OF INTERSTATE 70 BETWEEN ST LOUIS AND KANSAS CITY. A FLASH FLOOD WATCH CONTINUES FOR THE HEART OF THE STATE. RADAR ESTIMATES BY NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE 1 TO 3 INCHES OF RAIN FELL 40 MILES NORTH OF ST LOUIS IN PIKE COUNTY MISSOURI AND NORTHERN CALHOUN AND GREENE COUNTIES IN ILLIINOIS. IN ADDITION...HEAVY RAINS OF 2 TO 4 INCHES WERE INDICATED IN SOUTHERN GASCONADE...SOUTHERN OSAGE..AND NORTHERN MARIES COUNTIES...45 MILES SOUTHEAST OF COLUMBIA. PERSONS THROUGHOUT THE HEART OF MISSOURI SHOULD BE VERY AWARE OF POTENTIAL SERIOUS WEATHER TODAY. VERY STRONG THUNDERSTORMS WILL MOVE OUT OF KANSAS INTO SEVERAL WESTERN MISSOURI COUNTIES DURING THE REMAINDER OF THE MORNING. REMEMBER... BESIDES DAMAGING WIND AND HAIDL...TORNADOES ARE ALSO POSSIBLE WITH SOME OF THESE STORMS. PEDIGO &
Special weather statement, Apr 13, 11:24 AM CDT, 2 hours 14 minutes before
MOZALL-131830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1124 AM CDT TUE APR 13 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR PORTIONS OF WESTERN AND CENTRAL MISSOURI THROUGH 300 PM THIS AFTERNOON... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THIS AFTERNOON FOR THE CENTRAL PORTION OF MISSOURI ALONG AND 75 MILES EITHER SIDE OF A LINE FROM KANSAS CITY TO ST LOUIS... AT 1115 AM A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERED THE NORTHWEST THIRD OF MISSOURI WEST OF A LINE FROM NEVADA TO KIRKSVILLE. LOCALLY SEVERE THUNDERSTORMS WERE REPORTED IN THE KANSAS CITY AREA. HAIL UP TO GOLFBALL SIZE WAS REPORTED IN AND NEAR KANSAS CITY. THE LARGEST WAS REPORTED FROM CROWN CENTER..AN ELABORATE SHOPPING COMPLEX IN THE HEART OF THE CITY. SOME STORMS WILL BE LOCALLY SEVERE. SOME AREAS ARE LIKELY TO RECEIVE CONSIDERABLE RAINFALL AND ASSOCIATED PONDING ON ROADS...SHARP RISES ON RIVERS AND STREAMS...AND LOCAL FLOODING. USE COMMON SENSE AND KEEP SAFETY OF YOURSELF AND OTHERS IN MIND. PEDIGO
Special weather statement, Apr 13, 11:26 AM CDT, 2 hours 12 minutes before
MOZALL-131830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1124 AM CDT TUE APR 13 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR PORTIONS OF WESTERN AND CENTRAL MISSOURI THROUGH 300 PM THIS AFTERNOON... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THIS AFTERNOON FOR THE CENTRAL PORTION OF MISSOURI ALONG AND 75 MILES EITHER SIDE OF A LINE FROM KANSAS CITY TO ST LOUIS... AT 1115 AM A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERED THE NORTHWEST THIRD OF MISSOURI WEST OF A LINE FROM NEVADA TO KIRKSVILLE. LOCALLY SEVERE THUNDERSTORMS WERE REPORTED IN THE KANSAS CITY AREA. HAIL UP TO GOLFBALL SIZE WAS REPORTED IN AND NEAR KANSAS CITY. THE LARGEST WAS REPORTED FROM CROWN CENTER..AN ELABORATE SHOPPING COMPLEX IN THE HEART OF THE CITY. SOME STORMS WILL BE LOCALLY SEVERE. SOME AREAS ARE LIKELY TO RECEIVE CONSIDERABLE RAINFALL AND ASSOCIATED PONDING ON ROADS...SHARP RISES ON RIVERS AND STREAMS...AND LOCAL FLOODING. USE COMMON SENSE AND KEEP SAFETY OF YOURSELF AND OTHERS IN MIND. PEDIGO
Local storm report, Apr 13, 1:00 PM CDT, 38 minutes before
MO010-131800- PRELIMINARY STORM REPORT NATIONAL WEATHER SERVICE COLUMBIA MO 100 PM CDT TUE APR 13 1993 TIME CDT COUNTY REPORT 100 PM RANDOLPH 3/4 INCH HAIL REPORTED IN MOBERLY LA GREE
Local storm report, Apr 13, 1:01 PM CDT, 37 minutes before
MO010-131800- PRELIMINARY STORM REPORT NATIONAL WEATHER SERVICE COLUMBIA MO 100 PM CDT TUE APR 13 1993 TIME CDT COUNTY REPORT 100 PM RANDOLPH 3/4 INCH HAIL REPORTED IN MOBERLY D LA GREE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 1:47 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Ralls | 58 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.