Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 97, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 1, 1994, 5:34 PM CDT for Pike County, Illinois. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Aug 1, 1994, 5:34 PM CDT (22:34 UTC)
- Expired
- Aug 1, 1994, 6:15 PM CDT
- In force
- 41 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Pike County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.6 hours before the alert went out and 342 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
- 92 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1146 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 1 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 012241 RRA SVRSTL ILC149-012315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 534 PM CDT MON AUG 1 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...WESTERN PIKE COUNTY AT 535 PM CDT...NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM OVER NORTHWEST PIKE COUNTY...5 TO 9 MILES SOUTHEAST OF HANNIBAL. THE TOWNS OF NEW CANTON AND EL DARA ARE IN THE PATH OF THESE STORMS. THESE STORMS WILL PRODUCE DAMAGING WINDS AND HAIL. THE SEVERE THUNDERSTORM WAS MOVING TO THE EAST AT 15 MILES AN HOUR. 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. RP/AM
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, Aug 1, 4:39 PM CDT, 55 minutes before
ILZ058-012240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 439 PM CDT MON AUG 1 1994 ...STRONG THUNDERSTORMS CONTINUED OVER NORTHERN GREENE COUNTY... AT 440 PM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS OVER NORTHERN GREENE COUNTY ILLINOIS NEAR WHITE HALL...OR 50 MILES NORTH OF ST. LOUIS. VERY HEAVY RAIN OVER THIS AREA HAS PRODUCED FROM 2 TO 3 INCHES OF RAIN SINCE 3PM. RESIDENTS OF WHITE HALL AND ROODHOUSE SHOULD BE ALERT FOR REDUCED VISIBLITIES IN HEAVY RAIN AND PONDED WATER ON ROADWAYS. NEVER TRY TO CROSS THROUGH FLOWING WATER IN A VEHICLE OR ON FOOT. MORSE :
Special weather statement, Aug 1, 4:46 PM CDT, 48 minutes before
ILZ058-012240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 439 PM CDT MON AUG 1 1994 ...STRONG THUNDERSTORMS CONTINUED OVER NORTHERN GREENE COUNTY... AT 440 PM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS OVER NORTHERN GREENE COUNTY ILLINOIS NEAR WHITE HALL...OR 50 MILES NORTH OF ST. LOUIS. VERY HEAVY RAIN OVER THIS AREA HAS PRODUCED FROM 2 TO 3 INCHES OF RAIN SINCE 3PM. RESIDENTS OF WHITE HALL AND ROODHtOUSE SHOULD BE ALERT FOR REDUCED VISIBLITIES IN HEAVY RAIN AND PONDED WATER ON ROADWAYS. NEVER TRY TO CROSS THROUGH FLOWING WATER IN A VEHICLE OR ON FOOT. MORSE
Special weather statement, Aug 1, 4:58 PM CDT, 36 minutes before
MOZ063-064-ILZ100-012300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 458 PM CDT MON AUG 1 1994 ...STRONG THUNDERSTORMS WERE MOVING ACROSS NORTH ST. LOUIS... AT 500 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A VERY STRONG THUNDERSTORM OVER NORTHERN ST. LOUIS COUNTY JUST EAST OF FLORISSANT. THE STORM WAS MOVING TO THE EAST AT 15 MILES AN HOUR AND WILL CROSS OVER NORTHERN ST. LOUIS CITY AND INTO SOUTHWEST MADISON COUNTY ILLINOIS BY 6PM. RESIDENTS OF NORTHERN ST LOUIS COUNTY...NORTHERN ST LOUIS CITY AND GRANITE CITY IN MADISON COUNTY ILLINOIS SHOULD EXPECT TORRENTIAL RAIN...STRONG GUSTY WINDS OF 30 TO 40 MILES AN HOUR AND DANGEROUS LIGHTNING. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY WHEN THE STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. MORSE
Special weather statement, Aug 1, 5:05 PM CDT, 29 minutes before
MOZ063-064-ILZ100-012300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 458 PM CDT MON AUG 1 1994 ...STRONG THUNDERSTORMS WERE MOVING ACROSS NORTH ST. LOUIS... AT 500 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A VERY STRONG THUNDERSTORM OVER NORTHERN ST. LOUIS COUNTY JUST EAST OF FLORISSANT. THE STORM WAS MOVING TO THE EAST AT 15 MILES AN HOUR AND WILL CROSS OVER NORTHERN ST. LOUIS CITY AND INTO SOUTHWEST MADISON COUNTY ILLINOIS BY 6PM. RESIDENTS OF NORTHERN ST LOUIS COUNTY...NORTHERN ST LOUIS CITY AND GRANITE CITY IN MADISON COUNTY ILLINOIS SHOULD EXPECT TORRENTIAL RAIN...STRONG GUSTY WINDS OF 30 TO 40 MILES AN HOUR AND DANGEROUS LIGHTNING. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY WHEN THE STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. MORSE
Special weather statement, Aug 1, 5:21 PM CDT, 13 minutes before
MOZ065-073-074-012325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 521 PM CDT MON AUG 1 1994 ...STRONG THUNDERSTORMS HAVE DEVELOPED IN NORTHERN WASHINGTON COUNTY... AT 520 PM...NATIONAL WEATHER SERVICE RADAR INDICATED AN INTENSE THUNDERSTORMS IN NORTHERN WASHINGTON COUNTY NEAR RICHWOODS...OR 45 MILES SOUTHWEST OF ST. LOUIS. THE COMMUNITIES OF RICHWOODS...APTUS...AND BLISS SHOULD EXPECXT PERIODS OF VERY HEAVY RAIN...DANGEROUS LIGHTNING...AND STRONG GUSTY WINDS OF 30 TO 40 MILES AN HOUR WITH THESE STORMS BETWEEN 520 AND 6PM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. MORSE
Special weather statement, Aug 1, 5:27 PM CDT, 7 minutes before
MOZ065-073-074-012325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 521 PM CDT MON AUG 1 1994 ...STRONG THUNDERSTORMS HAVE DEVELOPED IN NORTHERN WASHINGTON COUNTY... AT 520 PM...NATIONAL WEATHER SERVICE RADAR INDICATED AN INTENSE THUNDERSTORMS IN NORTHERN WASHINGTON COUNTY NEAR RICHWOODS...OR 45 MILES SOUTHWEST OF ST. LOUIS. THE COMMUNITIES OF RICHWOODS...APTUS...AND BLISS SHOULD EXPECXT PERIODS OF VERY HEAVY RAIN...DANGEROUS LIGHTNING...AND STRONG GUSTY WINDS OF 30 TO 40 MILES AN HOUR WITH THESE STORMS BETWEEN 520 AND 6PM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. MORSE
Nearby
Severe Thunderstorm Warnings in Illinois, 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.