Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 83, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 25, 1994, 7:59 PM CDT for Brown County, Illinois. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Jun 25, 1994, 7:59 PM CDT (00:59 UTC)
- Expired
- Jun 25, 1994, 8:30 PM CDT
- In force
- 31 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Brown County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.0 hours before the alert went out and 368 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
- 1670 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1533 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 260102 SVRSTL ILC009-260130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 759 PM CDT SAT JUN 25 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...BROWN COUNTY AT 800 PM RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTHERN BROWN COUNTY...ABOUT 30 MILES NORTHEAST OF QUINCY. THE STORM WAS MOVING SOUTHEAST AT 30 MPH. THE STORM WILL BE MOVING THROUGH MT STERLING AND HERSMANN BY 830 PM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. PDON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. DM/DLF
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 25, 2:30 PM CDT, 5 hours 29 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-252100- MISSOURI SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 230 PM CDT SAT JUN 25 1994 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON IN NORTHWEST MISSOURI. THIS MODERATE RISK AREA EXPANDS TO INCLUDE ALL OF MISSOURI TONIGHT. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTION. ACQUAVIVA URENTIDES. THE HEAVY RAIN AREA HAS NOW LEAVED WESTERN QUEBEC AND WILL MOVE OVER THE SAGUENAY-LAC-SAINT-JEAN AREA THIS EVENING AND TONIGHT. RAINFALL AMOUNTS UP TO 50 MM ARE EXPECTED OVER THIS REGION BY SUNDAY MORNING. ============================================================== PLEASE REFER TO THE PUBLIC REGIONAL FORECAST FOR MORE DETAILS. ============================================================== END/
Special weather statement, Jun 25, 2:33 PM CDT, 5 hours 26 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-252100- MISSOURI SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 230 PM CDT SAT JUN 25 1994 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS AFTDERNOON IN NORTHWEST MISSOURI. THIS MODERATE RISK AREA EXPANDS TO INCLUDE ALL OF MISSOURI TONIGHT. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTION. ACQUAVIVA
Special weather statement, Jun 25, 7:03 PM CDT, 56 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-260105- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 703 PM CDT SAT JUN 25 1994 ...TORNADO WATCH IS IN EFFECT MUCH OF NORTHWEST AND CENTRAL MISSOURI UNTIL 2 AM CDT... AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADARS CONTINUED TO SHOW RAPIDLY DEVELOPING THUNDERSTORMS ACROSS EASTERN NEBRASKA AND SOUTHWEST IOWA. THESE STORMS WILL CONTINUE TO STRENGHTEN...AND QUICKLY RACE TOWARDS THE SOUTH AT 40 MPH INTO NORTHWEST AND CENTRAL MISSOURI THIS EVENING AND TONIGHT. LARGE HAIL...DAMAGING WIND GUSTS...AND TORNADOES CAN BE EXPECTED WITH THESE STORMS. PLEASE STAY TUNED TO YOUR LOCAL TELEVISION OR RADIO STATION FOR FUTHER WEATHER INFORMATION AND POSSIBLE SEVERE THUNDERSTORM OR TORNADO WARNINGS FOR YOUR AREA. DO NOT USE YOUR CAR TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. METZE
Special weather statement, Jun 25, 7:05 PM CDT, 54 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-260105- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 703 PM CDT SAT JUN 25 1994 ...TORNADO WATCH IS IN EFFECT MUCH OF NORTHWEST AND CENTRAL MISSOURI UNTIL 2 AM CDT... AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADARS CONTINUED TO SHOW RAPIDLY DEVELOPING THUNDERSTORMS ACROSS EASTERN NEBRASKA AND SOUTHWEST IOWA. THESE STORMS WILL CONTINUE TO STRENGHTEN...AND QUICKLY RACE TOWARDS THE SOUTH AT 40 MPH INTO NORTHWEST AND CENTRAL MISSOURI THIS EVENING AND TONIGHT. LARGE HAIL...DAMAGING WIND GUSTS...AND TORNADOES CAN BE EXPECTED WITH THESE STORMS. PLEASE STAY TUNED TO YOUR LOCAL TELEVISION OR RADIO STATION FOR FUTHER WEATHER INFORMATION AND POSSIBLE SEVERE THUNDERSTORM OR TORNADO WARNINGS FOR YOUR AREA. DO NOT USE YOUR CAR TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. METZE
Special weather statement, Jun 25, 7:10 PM CDT, 49 minutes before
MOZ008>010-017>019-025>027-033>036-041-042-048>052-059>065-ILZ098>102- 260110- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 710 PM CDT SAT JUN 25 1994 ...THUNDERSTORMS WERE QUICKLY DEVELOPING ACROSS NORTHEAST MISSOURI THIS EVENING... AT 705 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THUNDERSTORMS QUICKLY DEVELOPING FROM NEAR KIRKSVILLE TO 15 MILES NORTH OF QUINCY...ILLINOIS. THESE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT 30 MPH. THE THUNDERSTORMS WILL HAVE THE CAPABILITY OF PRODUCING GUSTY WINDS TO 40 MPH AND SMALL HAIL. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY WHEN STORMS APPROACH. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. ALSO...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND CENTRAL MISSOURI UNTIL 2AM CDT. METZE
Special weather statement, Jun 25, 7:12 PM CDT, 47 minutes before
MOZ008>010-017>019-025>027-033>036-041-042-048>052-059>065-ILZ098>102- 260110- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 710 PM CDT SAT JUN 25 1994 ...THUNDERSTORMS WERE QUICKLY DEVELOPING ACROSS NORTHEAST MISSOURI THIS EVENING... AT 705 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THUNDERSTORMS QUICKLY DEVELOPING FROM NEAR KIRKSVILLE TO 15 MILES NORTH OF QUINCY...ILLINOIS. THESE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT 30 MPH. THE THUNDERSTORMS WILL HAVE THE CAPABILITY OF PRODUCING GUSTY WINDS TO 40 MPH AND SMALL HAIL. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY WHEN STORMS APPROACH. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. ALSO...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND CENTRAL MISSOURI UNTIL 2AM CDT. METZE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:19 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 41 min |
| Jun 25, 8:31 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Scott | 35 min |
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.