Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 4, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 13, 1993, 9:41 PM CDT for Adams County, Brown County, Illinois. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Apr 13, 1993, 9:41 PM CDT (02:41 UTC)
- Expired
- Apr 13, 1993, 10:45 PM CDT
- In force
- 64 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adams County, IL, Brown County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 2.7 hours before the alert went out and 379 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
- 55 J/kg
- Mixed-layer CIN
- -351 J/kg
- Mixed-layer LCL
- 1120 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 227 m²/s²
- 0-3 km storm-relative helicity
- 368 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 140244 SVRSTL ILC001-009-140345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 941 PM CDT TUE APR 13 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...SOUTHERN ADAMS AND BROWN COUNTIES AT 945 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 15 MILES SOUTHEAST OF QUINCY ILLINOIS IN ADAMS COUNTY. ONE INCH HAIL AND HEAVY RAIN WAS REPORTED WITH THIS STORM. THIS STORM WAS MOVING TO THE NORTHEAST AT 40 MPH AND WILL MOVE INTO THE VICINITY OF MT. STERLING ILLINOIS AROUND 1015 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 CROSSINGSZ. WORK &
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, 7:35 PM CDT, 2 hours 6 minutes before
MOZ006-009-010-011-013-014-140130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 735 PM CDT TUE APR 13 1993 ...A STRONG THUNDERSTORM WAS DEVELOPING TO THE SOUTH OF JEFFERSON CITY.. AT 730 PM...A STRONG THUNDERSTORM WAS DEVELOPING 15 MILES SOUTHWEST OF JEFFERSON CITY...NEAR THE TOWN OF HENLEY. MOVEMENT OF THE STORM WILL MOST LIKELY BE TO THE NORTHEAST...NEAR THE TOWNS OF ST. THOMAS AND OSAGE BEND BY 745 PM. THIS STORM COULD PRODUCE SMALL HAIL...DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND HEAVY RAINS. STAY INDOORS AND AWAY FROM WINDOWS IF YOU ARE IN THE PATH OF THIS STORM. LOCALIZED FLOODING OF ROADWAYS AND LOW LYING PLACES IS POSSIBLE. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO FOR LATER STATEMENTS REGARDING STORM DEVELOPMENT IN CENTRAL MISSOURI TONIGHT. STANLEY
Special weather statement, Apr 13, 7:35 PM CDT, 2 hours 6 minutes before
MOZ006-009-010-011-013-014-140130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 735 PM CDT TUE APR 13 1993 ...A STRONG THUNDERSTORM WAS DEVELOPING TO THE SOUTH OF JEFFERSON CITY.. AT 730 PM...A STRONG THUNDERSTORM WAS DEVELOPING 15 MILES SOUTHWEST OF JEFFERSON CITY...NEAR THE TOWN OF HENLEY. MOVEMENT OF THE STORM WILL MOST LIKELY BE TO THE NORTHEAST...NEAR THE TOWNS OF ST. THOMAS AND OSAGE BEND BY 745 PM. THIS STORM COULD PRODUCE SMALL HAIL...DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND HEAVY RAINS. STAY INDOORS AND AWAY FROM WINDOWS IF YOU ARE IN THE PATH OF THIS STORM. LOCALIZED FLOODING OF ROADWAYS AND LOW LYING PLACES IS POSSIBLE. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO FOR LATER STATEMENTS REGARDING STORM DEVELOPMENT IN CENTRAL MISSOURI TONIGHT. STANLEY
Special weather statement, Apr 13, 8:34 PM CDT, 1 hour 7 minutes before
MOZ011-017-140230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 834 PM CDT TUE APR 13 1993 ...THUNDERSTORMS MOVING ACROSS SOUTHCENTRAL MISSOURI TOWARDS ST LOUIS... AT 825 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM WAS LOCATED 20 MILES EAST NORTHEAST OF ROLLA MISSOURI IN THE VICINITY OF CUBA. THIS STORM WILL PRODUCE HEAVY RAIN SMALL HAIL AND DANGEROUS LIGHTNING AS IT MOVES TO THE EAST NORTHEAST. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS STORM AT THIS TIME. THIS STORM WILL MOVE THOUGH THE VICINITY OF SULLIVAN AROUND 845 PM.
Special weather statement, Apr 13, 8:36 PM CDT, 1 hour 5 minutes before
MOZ011-017-140230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 834 PM CDT TUE APR 13 1993 ...THUNDERSTORMS MOVING ACROSS SOUTHCENTRAL MISSOURI TOWARDS ST LOUIS... AT 825 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM WAS LOCATED 20 MILES EAST NORTHEAST OF ROLLA MISSOURI IN THE VICINITY OF CUBA. THIS STORM WILL PRODUCE HEAVY RAIN SMALL HAIL AND DANGEROUS LIGHTNING AS IT MOVES TO THE EAST NORTHEAST. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS STORM AT THIS TIME. THIS STORM WILL MOVE THOUGH THE VICINITY OF SULLIVAN AROUND 845 PM.
Special weather statement, Apr 13, 9:15 PM CDT, 26 minutes before
MOZ006-009-010-011-013-014-140300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 915 PM CDT TUE APR 13 1993 ...STRONG THUNDERSTORMS WERE DEVELOPING IN THE SOUTH PART OF CENTRAL MISSOURI... AT 910 PM...STRONG THUNDERSTORMS WERE DEVELOPING SOUTH OF JEFFERSON CITY TO THE EAST OF THE LAKE OF THE OZARKS. THE STORMS WERE SCATTERED FROM 30 MILES SOUTHWEST OF JEFFERSON CITY...NEAR ELDON AND HENLEY...TO 45 MILES SOUTH OF JEFFERSON CITY NEAR CROCKER. THESE STORMS WILL MOVE NORTHEAST AT 40 MILES AN HOUR AND MAY THREATEN THE JEFFERSON CITY AREA BEFORE 1000 PM. THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...DANGEROUS LIGHTNING... HEAVY RAINS AND STRONG GUSTY WINDS. THERE IS A SLIGHT CHANCE THAT SOME OF THESE STORMS MAY BECOME SEVERE. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO FOR THE LATEST INFORMATION CONCERNING THE DEVELOPMENT OF THUNDERSTORMS ACROSS CENTRAL MISSOURI TONIGHT. STANLEY
Special weather statement, Apr 13, 9:18 PM CDT, 23 minutes before
MOZ006-009-010-011-013-014-140300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 915 PM CDT TUE APR 13 1993 ...STRONG THUNDERSTORMS WERE DEVELOPING IN THE SOUTH PART OF CENTRAL MISSOURI... AT 910 PM...STRONG THUNDERSTORMS WERE DEVELOPING SOUTH OF JEFFERSON CITY TO THE EAST OF THE LAKE OF THE OZARKS. THE STORMS WERE SCATTERED FROM 30 MILES SOUTHWEST OF JEFFERSON CITY...NEAR ELDON AND HENLEY...TO 45 MILES SOUTH OF JEFFERSON CITY NEAR CROCKER. THESE STORMS WILL MOVE NORTHEAST AT 40 MILES AN HOUR AND MAY THREATEN THE JEFFERSON CITY AREA BEFORE 1000 PM. THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...DANGEROUS LIGHTNING... HEAVY RAINS AND STRONG GUSTY WINDS. THERE IS A S6LIGHT CHANCE THAT SOME OF THESE STORMS MAY BECOME SEVERE. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO FOR THE LATEST INFORMATION CONCERNING THE DEVELOPMENT OF THUNDERSTORMS ACROSS CENTRAL MISSOURI TONIGHT. STANLEY
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.