Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 78, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 23, 1994, 1:00 PM CDT for Adams County, Illinois; Marion County, Missouri. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1994, 1:00 PM CDT (18:00 UTC)
- Expired
- Jun 23, 1994, 1:45 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adams County, IL, Marion County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 6.0 hours before the alert went out and 377 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
- 474 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 644 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 9 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 231802 SVRSTL ILC001-MOC127-231845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 100 PM CDT THU JUN 23 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL ILLINOIS ...SOUTHERN ADAMS COUNTY IN NORTHEAST MISSOURI ...EASTERN MARION COUNTY AT 100 PM...RADAR INDICATED TWO SEVERE THUNDERSTORMS MOVING THROUGH THIS AREA. THE FIRST STORM WAS JUST WEST OF HANNIBAL IN MARION COUNTY MISSOURI...WHILE THE SECOND STORM WAS 10 MILES SOUTHEAST OF QUINCY IN SOUTHERN ADAMS COUNTY. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR. THESE STORMS WILL AFFECT THE COMMUNITIES OF HANNIBAL...FALL CREEK AND PLAINVILLE BY 130 PM. 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. SHEA/RP
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, Jun 23, 12:43 PM CDT, 17 minutes before
MOZ007>010-016>019-024>027-032>036-039>042-045>052-055>075- 079>100-ILZ095>102-231945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1243 PM CDT THU JUN 23 1994 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF MISSOURI AND SOUTHWEST ILLINOIS... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 800 PM FOR PARTS OF MISSOURI AND SOUTHWEST ILLINOIS. THIS WATCH INCLUDES A LARGE PART OF CENTRAL AND EASTERN MISSOURI AND EXTENDS INTO CENTRAL ILLINOIS...INCLUDING THE ST LOUIS...QUINCY/HANNIBAL... COLUMBIA AND ROLLA AREAS. THUNDERSTORMS HAVE BEEN RAPIDLY DEVELOPING FROM CENTRAL MISSOURI TOWARDS THE QUINCY ILLINOIS AREA EARLY THIS AFTERNOON. CONDITIONS ARE FAVORABLE FOR SOME OF THESE STORMS TO BECOME SEVERE...WITH THE POSSIBILITY OF LARGE HAIL OR DAMAGING WIND. FREQUENT LIGHTNING AND VERY HEAVY RAIN CAN ALSO BE EXPECTED. SINCE A WATCH IS IN EFFECT...EXTRA ATTENTION SHOULD BE PAID TO THE WEATHER IN CASE A WARNING IS ISSUED. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS ON NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TELEVISION STATIONS. SHEA
Special weather statement, Jun 23, 12:47 PM CDT, 13 minutes before
MOZ007>010-016>019-024>027-032>036-039>042-045>052-055>075- 079>100-ILZ095>102-231945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1243 PM CDT THU JUN 23 1994 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF MISSOURI AND SOUTHWEST ILLINOIS... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 800 PM FOR PARTS OF MISSOURI AND SOUTHWEST ILLINOIS. THIS WATCH INCLUDES A LARGE PART OF CENTRAL AND EASTERN MISSOURI AND EXTENDS INTO CENTRAL ILLINOIS...INCLUDING THE ST LOUIS...QUINCY/HANNIBAL... COLUMBIA AND ROLLA AREAS. THUNDERSTORMS HAVE BEEN RAPIDLY DEVELOPING FROM CENTRAL MISSOURI TOWARDS THE QUINCY ILLINOIS AREA EARLY THIS AFTERNOON. CONDITIONS ARE FAVORABLE FOR SOME OF THESE STORMS TO BECOME SEVERE...WITH THE POSSIBILITY OF LARGE HAIL OR DAMAGING WIND. FREQUENT LIGHTNING AND VERY HEAVY RAIN CAN ALSO BE EXPECTED. SINCE A WATCH IS IN EFFECT...EXTRA ATTENTION SHOULD BE PAIbD TO THE WEATHER IN CASE A WARNING IS ISSUED. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS ON NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TELEVISION STATIONS. SHEA
Special weather statement, Jun 23, 12:55 PM CDT, 5 minutes before
MOZ027-034-035-ILZ095-096-097-232000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1255 PM CDT THU JUN 23 1994 ...STRONG THUNDERSTORMS HAD DEVELOPED OVER NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS... THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS EARLY THIS AFTERNOON...MAINLY FROM THE QUINCY AREA EXTENDING TOWARDS COLUMBIA MISSOURI. THESE STORMS WERE MOVING NORTHEAST AT 25 TO 30 MILES AN HOUR AND WILL AFFECT THE QUINCY AND HANNIBAL AREAS BY 130 PM. ALONG WITH VERY HEAVY RAIN...HAIL AND GUSTY WIND ARE POSSIBLE AS THESE STORMS MOVE THROUGH. FREQUENT LIGHTNING IS ANOTHER DANGER SO ANYONE OUTDOOR SHOULD FIND SHELTER UNTIL STORMS PASS. REMEMBER...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS ENTIRE AREA UNTIL 800 PM. SHEA
Special weather statement, Jun 23, 12:56 PM CDT, 4 minutes before
MOZ027-034-035-ILZ095-096-097-232000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1255 PM CDT THU JUN 23 1994 ...STRONG THUNDERSTORMS HAD DEVELOPED OVER NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS... THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS EARLY THIS AFTERNOON...MAINLY FROM THE QUINCY AREA EXTENDING TOWARDS COLUMBIA MISSOURI. THESE STORMS WERE MOVING NORTHEAST AT 25 TO 30 MILES AN HOUR AND WILL AFFECT THE QUINCY AND HANNIBAL AREAS BY 130 PM. ALONG WITH VERY HEAVY RAIN...HAIL AND GUSTY WIND ARE POSSIBLE AS THESE STORMS MOVE THROUGH. FREQUENT LIGHTNING IS ANOTHER DANGER SO ANYONE OUTDOOR SHOULD FIND SHELTER UNTIL STORMS PASS. REMEMBER...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS ENTIRE AREA UNTIL 800 PM. SHEA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 5:59 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 46 min |
| Jun 23, 6:24 PM CDT | Severe Thunderstorm Warning | LSX | Bond | 51 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1994Severe Thunderstorm Warnings in Missouri, 1994Every severe thunderstorm warning in 1994
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.