Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 99, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Nov 20, 1994, 7:44 PM CST for Menard County, Sangamon County, Illinois. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Nov 20, 1994, 7:44 PM CST (01:44 UTC)
- Expired
- Nov 20, 1994, 8:20 PM CST
- In force
- 36 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Menard County, IL, Sangamon County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.7 hours before the alert went out and 326 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
- 1443 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 313 m²/s²
- 0-3 km storm-relative helicity
- 402 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSPI 210147 RRA SVRSPI ILC129-167-210230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SPRINGFIELD IL 744 PM CST SUN NOV 20 1994 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL ILLINOIS ...SOUTHERN MENARD COUNTY...NORTHERN SANGAMON COUNTY AT 7 30 PM CST...RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES NORTHWEST OF SPRINGFIELD...NEAR PLEASANT PLAINS. THIS STORM WAS MOVING TO THE EAST NORTHEAST AT 40 MPH. ILLINOIS STATE POLICE REPORTED A TREE DOWN ON ROUTE 125...NEAR PLEASANT PLAINS. GUSTY WINDS UP TO 60 MPH AND BLINDING RAIN CAN BE EXPECTED WITH THE PASSAGE OF THIS STORM. TOWNS IN THE PATH OF THIS STORM INCLUDE SALISBURY...ATHENS... CANTRALL...AND ADNREW. TAKE SHELTER IN A SUBSTANTIAL BUILDING. STAY AWAY FROM WINDOWS. LIGHTNING KILLS...SO STAY OFF OF TELEPHONES. REMEMBER...A SEVERE THUNDERSTORM MAY PRODUCE A TORNADO AT ANY TIME. $$ AUTEN &
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, Nov 20, 6:42 PM CST, 1 hour 2 minutes before
ILZ042-047-048-050-052-210145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 642 PM CST SUN NOV 20 1994 ...LINE OF STRONG THUNDERSTORMS MOVING INTO WESTERN COUNTIES OF CENTRAL ILLINOIS... AT 630 PM CST...RADAR INDICATED A NARROW LINE OF STORNG THUNDERSTORMS EXTENDING FROM 55 MILES NORTHWEST OF SPRINGFIELD TO 40 MILES WEST OF SPRINGFIELD TO ST LOUIS MISSOURI. THESE STORMS WERE MOVING TO THE EAST NORTHEAST AT 35 MPH. TOWNS IN CASS...MORGAN...AND MACOUPIN COUNTIES CAN EXPECT GUSTY WINDS UP TO 45 MPH...DEADLY LIGHTNING...AND BLINDING DOWNPOURS OF RAIN WITH THE PASSAGE OF THESE STORMS. STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR FURTHER UPDATES ON THE SITUATION.
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 12:53 AM CST | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 52 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.