Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 189, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 8, 1994, 7:56 PM CDT for Crawford County, Illinois. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1994, 7:56 PM CDT (00:56 UTC)
- Expired
- Aug 8, 1994, 8:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Crawford County, IL
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 0.9 hours before the alert went out and 321 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
- 51 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1480 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 8, 5:35 PM CDT, 2 hours 21 minutes before
INZ003>044-082330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 535 PM EST MON AUG 8 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT OVER NORTH INDIANA UNTIL 900 PM EST... AT 530 PM EST STRONG THUNDERSTORMS EXTENDED FROM TERRE HAUTE TO FORT WAYNE. THE STORMS WILL PRODUCE BRIEF GUSTY WINDS...AND VERY HEAVY RAINFALL AS THEY MOVE SOUTHEAST AT 15 TO 20 MPH. TORRENTIAL RAIN WILL CAUSE LOCAL STREET FLOODING AND PONDING OF WATER IN LOW AREAS. HAIL AND DAMAGING WINDS MAY ACCOMPANY A FEW OF THE STORMS. PEOPLE IN NORTHERN AND CENTRAL INDIANA SHOULD BE ALERT FOR SEVERE WEATHER...AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. SBH
Special weather statement, Aug 8, 5:36 PM CDT, 2 hours 20 minutes before
INZ003>044-082330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 535 PM EST MON AUG 8 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT OVER NORTH INDIANA UNTIL 900 PM EST... AT 530 PM EST STRONG THUNDERSTORMS EXTENDED FROM TERRE HAUTE TO FORT WAYNE. THE STORMS WILL PRODUCE BRIEF GUSTY WINDS...AND VERY HEAVY RAINFALL AS THEY MOVE SOUTHEAST AT 15 TO 20 MPH. TORRENTIAL RAIN WILL CAUSE LOCAL STREET FLOODING AND PONDING OF WATER~ IN LOW AREAS. HAIL AND DAMAGING WINDS MAY ACCOMPANY A FEW OF THE STORMS. PEOPLE IN NORTHERN AND CENTRAL INDIANA SHOULD BE ALERT FOR SEVERE WEATHER...AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. SBH
Special weather statement, Aug 8, 6:30 PM CDT, 1 hour 26 minutes before
INZ003>044-090030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 630 PM EST MON AUG 8 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT OVER NORTH INDIANA UNTIL 900 PM EST... AT 630 PM EST STRONG THUNDERSTORMS EXTENDED FROM TERRE HAUTE TO MARION. THE STRONGEST STORMS...WHICH ARE CAPABLE OF PRODUCING WIND DAMAGE AND LARGE HAIL WERE NEAR TERRE HAUTE IN WEST CENTRAL INDIANA...AND 10 MILES SOUTHWEST OF PERU NEAR WALTON IN NORTH CENTRAL INDIANA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 20 MPH. PEOPLE IN NORTHERN AND CENTRAL INDIANA SHOULD BE ALERT FOR SEVERE WEATHER...AND BE PREPARED TO TAKE SHELTER IN A STRONG REINFORCED BUILDING IF THREATENING WEATHER APPROACHES. SBH
Special weather statement, Aug 8, 6:31 PM CDT, 1 hour 25 minutes before
INZ003>044-090030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 630 PM EST MON AUG 8 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT OVER NORTH INDIANA UNTIL 900 PM EST... AT 630 PM EST STRONG THUNDERSTORMS EXTENDED FROM TERRE HAUTE TO MARION. THE STRONGEST STORMS...WHICH ARE CAPABLE OF PRODUCING WIND DAMAGE AND LARGE HAIL WERE NEAR TERRE HAUTE IN WEST CENTRAL INDIANA...AND 10 MILES SOUTHWEST OF PERU NEAR WALTON IN NORTH CENTRAL INDIANA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 20 MPH. PEOPLE IN NORTHERN AND CENTRAL INDIANA SHOULD BE ALERT FOR SEVERE WEATHER...AND BE PREPARED TO TAKE SHELTER IN A STRONG REINFORCED BUILDING IF THREATENING WEATHER APPROACHES. SBH
Special weather statement, Aug 8, 6:55 PM CDT, 1 hour 1 minute before
INZ003>044-090100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 655 PM EST MON AUG 8 1994 THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THAT PART OF NORTHERN INDIANA NORTH OF A LINE FROM 20 MILES SOUTHWEST OF RENSSELAER TO 30 MILES EAST OF SOUTH BEND. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM EST FOR THE REMAINDER OF NORTHERN INDIANA NORTH OF A LINE FROM 15 MILES NORTH OF TERRE HAUTE TO 25 MILES SOUTH OF FORT WAYNE. PEOPLE IN NORTHERN AND CENTRAL INDIANA SHOULD REMAIN ALERT FOR SEVERE WEATHER THIS EVENING...AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. SBH
Special weather statement, Aug 8, 6:58 PM CDT, 58 minutes before
INZ003>044-090100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 655 PM EST MON AUG 8 1994 THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THAT PART OF NORTHERN INDIANA NORTH OF A LINE FROM 20 MILES SOUTHWEST OF RENSSELAER TO 30 MILES EAST OF SOUTH BEND. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM EST FOR THE REMAINDER OF NORTHERN INDIANA NORTH OF A LINE FROM 15 MILES NORTH OF TERRE HAUTE TO 25 MILESl SOUTH OF FORT WAYNE. PEOPLE IN NORTHERN AND CENTRAL INDIANA SHOULD REMAIN ALERT FOR SEVERE WEATHER THIS EVENING...AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. SBH
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:23 PM CDT | Severe Thunderstorm Warning | IND | Sullivan | 52 min |
| Aug 8, 7:38 PM CDT | Severe Thunderstorm Warning | IND | Fountain | 37 min |
| Aug 8, 8:48 PM CDT | Severe Thunderstorm Warning | IND | Crawford | 42 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.