Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 96, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 2, 1993, 5:52 PM CDT for Marion County, Illinois. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1993, 5:52 PM CDT (22:52 UTC)
- Expired
- Jul 2, 1993, 6:30 PM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Marion County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.9 hours before the alert went out and 177 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
- 1276 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 865 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 95 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 022254 SVRSTL ILC121-022330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 552 PM CDT FRI JUL 2 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ILLINOIS ...EASTERN MARION COUNTY AT 550 PM...NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM 15 MILES EAST OF SALEM...20 MILES NORTH OF MT VERNON. MOVEMENT WAS TO THE EAST AT 20 MPH. THIS STORM WILL MOVE INTO THE LUKA AREA BY 600 PM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONEST OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. EHG/RP/JP
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, Jul 2, 4:45 PM CDT, 1 hour 7 minutes before
MOZ011-012-014-017-022245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 443 PM CDT FRI JUL 2 1993 AT 430 PM CDT...NWS DOPPLER RADAR SHOWED A STRONG THUNDERSTORM DEVELOPING 10 MILES NORTHWEST OF SULLIVAN OR ABOUT 35 MILES NORTHEAST OF ROLLA. THIS STORM IS CAPABLE OF PRODUCING HEAVY RAINFALL...GUSTY WINDS...AND SMALL HAIL. THE STORM IS MOVING EAST AT 20 MILES AN HOUR AND WILL MOVE ACROSS THE TOWNS OF PINEY CREEK AND ST CLAIR AND THE MERAMEC STATE PARK BETWEEN 500 AND 520 PM CDT. OTHER THUNDERSTORMS WERE DEVELOPING OVER PARTS OF SOUTH CENTRAL MISSOURI BETWEEN ROLLA AND 30 MILES WEST OF ROLLA. PEOPLE OVER THE SOUTHERN PART OF FRANKLIN COUNTY SHOULD BE ALERT FOR LATER STATEMENTS FROM THE NATIONAL WEATHER SERVICE. PRZYBYLINSKI &
Special weather statement, Jul 2, 5:05 PM CDT, 47 minutes before
MOZALL-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 505 PM CDT FRI JUL 2 1993 ...SEVERE THUNDERSTORM WATCH NUMBER 573 HAS BEEN ISSUED FOR MOST OF CENTRAL MISSOURI UNTIL 11 PM... AT 500 PM...NWS DOPPLER RADAR AND SURFACE OBSERVATION INDICATED RAPID DEVELOPMENT OF THUNDERSTORMS OVER PARTS OF CENTRAL MISSOURI. THEREFORE A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF CENTRAL MISSOUIR FROM KANSAS CITY TO ST. LOUIS. THIS WATCH IS IN EFFECT UNTIL 11 PM THIS EVENING AND INCLUDES THE CITIES OF KANSAS CITY...ST. LOUIS...COLUMBIA...ROLLA...AND SPRINGFIELD. STAY TUNED TO NOAA WEATHER RADAR OR LOCAL TV BROADCASTS FOR LATER STATEMENTS. GOETSCH
Special weather statement, Jul 2, 5:08 PM CDT, 44 minutes before
MOZALL-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 505 PM CDT FRI JUL 2 1993 ...SEVERE THUNDERSTORM WATCH NUMBER 573 HAS BEEN ISSUED FOR MOST OF CENTRAL MISSOURI UNTIL 11 PM... AT 500 PM...NWS DOPPLER RADAR AND SURFACE OBSERVATION INDICATED RAPID DEVELOPMENT OF THUNDERSTORMS OVER PARTS OF CENTRAL MISSOURI. THEREFORE A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF CENTRAL MISSOUIR FROM KANSAS CITY TO ST. LOUIS.B THIS WATCH IS IN EFFECT UNTIL 11 PM THIS EVENING AND INCLUDES THE CITIES OF KANSAS CITY...ST. LOUIS...COLUMBIA...ROLLA...AND SPRINGFIELD. STAY TUNED TO NOAA WEATHER RADAR OR LOCAL TV BROADCASTS FOR LATER STATEMENTS. GOETSCH
Special weather statement, Jul 2, 5:33 PM CDT, 19 minutes before
ILZ011-012-013-022330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 533 PM CDT FRI JUL 2 1993 AT 530 PM CDT...NWS DOPPLER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS DEVELOPING OVER PARTS OF SOUTH CENTRAL ILLINOIS. THE AREA OF STORMS EXTENDED FROM 10 MILES EAST OF ST. LOUIS TO SALEM ILLNOIS...OR ABOUT 15 MILES NORTH OF MOUNT VERNON. THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR SALEM ILLINOIS...AND SOUTHEAST MADISON COUNTY...NEAR THE TOWN OF HIGHLAND. MANY OF THESE STORMS ARE CAPABLE OF PRODUCING STRONG AND GUSTY SURFACE WINDS...HAIL...AND HEAVY DOWNPOURS. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 20 MILES AN HOUR. RP
Special weather statement, Jul 2, 5:36 PM CDT, 16 minutes before
ILZ011-012-013-022330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 533 PM CDT FRI JUL 2 1993 AT 530 PM CDT...NWS DOPPLER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS DEVELOPING OVER PARTS OF SOUTH CENTRAL ILLINOIS. THE AREA OF STORMS EXTENDED FROM 10 MILES EAST OF ST. LOUIS TO SALEM ILLNOIS...OR ABOUT 15 MILES NORTH OF MOUNT VERNON. THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR SALEM ILLINOIS...AND SOUTHEAST MADISON COU4NTY...NEAR THE TOWN OF HIGHLAND. MANY OF THESE STORMS ARE CAPABLE OF PRODUCING STRONG AND GUSTY SURFACE WINDS...HAIL...AND HEAVY DOWNPOURS. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 20 MILES AN HOUR. RP
Special weather statement, Jul 2, 5:50 PM CDT, 2 minutes before
MOZ-013-014-022345-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
550 PM CDT FRI JUL 2 1993
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 11PM CDT...
... A FLASH FLOOD WATCH IS IN EFFECT TONIGHT...
AT 550 PM STRONG THUNDERSTORMS EXTENDED FROM NEAR ROLLA WEST THROUGH
THE LAKE OF THE OZARKS TO 35 MILES SOUTH OF SEDALIA. THE THUNDERSTORMS
WERE MOVING TO THE EAST AT 20 MPH AND WERE PRODUCING HEAVY RAIN. THE
STRONGEST STORM WAS LOCATED 40 MILES WEST OF ROLLA OR ABOUT 10 MILES
EAST OF LINN AND WAS CAPABLE OF PRODUCING BRIEF GUSTY WINDS AND SMALL
HAIL.
FLASH FLOODING IS POSSIBLE WITH THESE STORMS. IF FLOODING THREATENS...
FIRST SEEK HIGHER GROUND THEN REPORT THE FLOODING TO THE NEAREST
LAW ENFORCEMENT AGENCY.
KENNEDY
p. BECOMING PARTLY CLOUDY IN THE AFTERNO gf6WWUS
$. HIGHS IN THE o6WWUS(
(|WWUS
u 6WWUS
q6WWUS|
dy WUUS
py6WWUSj
lp WUUS\
4Y WITH ISOLA~6WWUS0
g WUUS.
<REMAR OF HOL WEEKENDo WUUS
hRNOON AND
EVEN|6WWUS
IN 40S. HIUPPER 70S TO MID.
.
DURANGO U40S U80S M40S
COZ005-030400-The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 6:20 PM CDT | Flash Flood Warning | LSX | Marion | 3 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 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.