Alert archive / Illinois / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 17, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 20, 1995, 4:09 PM CDT for Gallatin County, Illinois; Union County, Kentucky. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1995, 4:09 PM CDT (21:09 UTC)
- Expired
- Apr 20, 1995, 4:40 PM CDT
- In force
- 31 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Gallatin County, IL, Union County, KY
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 9.2 hours before the alert went out and 220 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
- 2 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 107 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 KEVV 202109 SVREVV ILC059-KYC225-202200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EVANSVILLE IN 409 PM CDT THU APR 20 1995 THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST ILLINOIS ...GALLATIN COUNTY IN NORTHWEST KENTUCKY ...UNION COUNTY AT 407 PM CDT...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 35 MILES SOUTHWEST OF EVANSVILLE AND JUST SOUTH OF JUNCTION ILLINOIS. THIS SEVERE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 45 MILES AN HOUR AND WILL MOVE OVER JUNCTION ILLIONOIS BEFORE 430 PM AND REACH UNIONTOWN KENTUCKY BEFORE 5 PM CDT. PERSONS IN THE VICINITY OF THIS SEVERE THUNDERSTORM SHOULD SEEK SHELTER IMMEDIATELY. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ZIMMER
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 20, 2:51 PM CDT, 1 hour 18 minutes before
INZ001>092-202100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 250 PM EST THU APR 20 1994 IN INDIANA A TORNADO WATCH IS IN EFFECT UNTIL 9 PM EST AND INCLUDES THAT PART OF INDIANA SOUTH OF A LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 35 MILES NORTHEAST OF COLUMBUS...AND WEST OF A LINE FROM 35 MILES NORTHEAST OF COLUMBUS TO 10 MILES EAST OF MADISON. SOME CITIES INCLUDED ARE TERRE HAUTE...BLOOMINGTON...COLUMBUS... BEDFORD...SEYMOUR...VINCENNES...MADISON...JASPER AND EVANSVILLE. REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ZIMMERMAN
Special weather statement, Apr 20, 3:39 PM CDT, 30 minutes before
INZ001>092-202100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 338 PM EST THU APR 20 1994 A TORNADO WATCH IS IN EFFECT UNTIL 9 PM EST FOR MUCH OF SOUTHERN INDIANA. AT 325 PM EST...THUNDERSTORMS DEVELOPED OVER EXTREME SOUTHERN ILLINOIS AND EXTREME WESTERN KENTUCKY. AT 330 PM EST...THUNDERSTORMS WERE MOVING INTO EXTREME SOUTHWEST INDIANA. NO SEVERE WEATHER HAS BEEN REPORTED IN INDIANA...BUT THE STORMS WILL INTENSIFY AS THEY MOVE NORTHEAST AT 45 MILES AN HOUR. BE ON THE LOOKOUT AND STAY TUNED TO NOAA WEATHER RADIO OR OTHER SOURCES FOR UPDATES ON THIS DEVELOPING WEATHER SITUATION. CT
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 3:30 PM CDT | Severe Thunderstorm Warning | IND | Gallatin | 30 min |
| Apr 20, 1:48 AM CDT | Severe Thunderstorm Warning | IND | Logan, Simpson | 57 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1995Severe Thunderstorm Warnings in Kentucky, 1995Every severe thunderstorm warning in 1995
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.