Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 8, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 15, 1994, 7:14 AM CDT for Gallatin County, Illinois. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1994, 7:14 AM CDT (12:14 UTC)
- Expired
- Apr 15, 1994, 7:45 AM CDT
- In force
- 31 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Gallatin County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 0.2 hours before the alert went out and 88 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
- 2109 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 710 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 280 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 14.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KEVV 151215 SVREVV ILC047-059-101-185-193-151245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EVANSVILLE IN 714 AM CDT FRI APR 15 1994 THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST ILLINOIS ...EDWARDS COUNTY...GALLATIN COUNTY...LAWRENCE COUNTY ...WABASH COUNTY...WHITE COUNTY AT 710 AM CDT THERE WAS A LINE OF SEVERE THUNDERSTORMS FROM NEAR ROBINSON ILLINOIS...65 MILES NORTH OF EVANSVILLE...TO NEAR HARRISBURY ILLINOIS...50 MILES SOUTHWEST OF EVANSVILLE. THE LINE WAS MOVING EAST AT 40 MPH AND WAS CAUSEING VERY HEAVY RAIN AND STRONG DAMAGING WINDS. THE LINE WILL MOVE TO NEAR THE WABASH RIVER BY 740 AM CDT. 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.
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 15, 4:53 AM CDT, 2 hours 21 minutes before
INZ002>089-160000- SPECIAL WEATHER STATEMENT...INDIANA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 450 AM EST FRI APR 15 1994 ...WIDELY SCATTERED SEVERE THUNDERSTORMS ARE EXPECTED ACROSS INDIANA TODAY... HENDRICKSON
Special weather statement, Apr 15, 6:11 AM CDT, 1 hour 3 minutes before
INZ001-003-010>013-019-020-151215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 610 AM EST FRI APR 15 1994 ...STRONG THUNDERSTORMS HAD MOVED INTO NORTHWEST INDIANA... AT 605 AM EST RADAR INDICATED VERY STRONG THUNDERSTORMS ABOUT 30 MILES WEST AND NORTHWEST OF LAFAYATTE. THE STRONGEST THUNDERSTORM WAS ABOUT 10 MILES SOUTHWEST OF FOWLER IN BENTON COUNTY. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT ABOUT 40 MILES AN HOUR.* THESE STORMS MAY PRODUCE SMALL HAIL...STRONG GUSTY WINDS AND BRIEF HEAVY RAINFALL.
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 6:44 AM CDT | Severe Thunderstorm Warning | IND | Clay, Jasper | 46 min |
| Apr 15, 7:14 AM CDT | Severe Thunderstorm Warning | IND | Edwards, Wabash, White | 31 min |
| Apr 15, 7:14 AM CDT | Severe Thunderstorm Warning | IND | Lawrence | 31 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.