Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 5, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 15, 1994, 6:44 AM CDT for Clay County, Jasper County, Illinois. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1994, 6:44 AM CDT (11:44 UTC)
- Expired
- Apr 15, 1994, 7:30 AM CDT
- In force
- 46 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Clay County, IL, Jasper County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 11.7 hours before the alert went out and 204 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2422 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 115 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 151144 SVREVV ILC025-079-151230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EVANSVILLE IN 644 AM CDT FRI APR 15 1994 THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST ILLINOIS ...CLAY COUNTY...JASPER COUNTY A LINE OF THUNDERSTORMS MOVING INTO JASPER AND CLAY COUNTIES AT 645 AM CDT. THESE STORMS PRODUCED STRONG WINDS AND BLEW DOWN SOME TREES IN THE EFFINGHAM ILLINOIS AREA. THE STORMS WILL MOVE THROUGH NEWTON AND CLAY CITY BY SHORTLY AFTER 700 AM CDT. IF YOU ARE IN THE PATH OF THESE STORMS TAKE COVER 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.
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, 1 hour 51 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, 33 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, 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 |
| Apr 15, 7:14 AM CDT | Severe Thunderstorm Warning | IND | Gallatin | 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.