Alert archive / Illinois / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 14, NWS Lincoln, IL

April 25, 1994Ogle County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 25, 1994, 9:02 PM CDT for Ogle County, Illinois. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Apr 25, 1994, 9:02 PM CDT (02:02 UTC)
Expired
Apr 25, 1994, 9:45 PM CDT
In force
43 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Ogle County, IL

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.0 hours before the alert went out and 288 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 1994-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 1994-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 287 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
287 m²/s²
0-3 km storm-relative helicity
406 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

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, Apr 25, 5:54 PM CDT, 3 hours 8 minutes before
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Special weather statement, Apr 25, 6:38 PM CDT, 2 hours 24 minutes before
ILZ025>027-034>036-040-041-260140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
635 PM CDT MON APR 25 1994

...STRONG THUNDERSTORMS OVER WEST CENTRAL ILLINOIS...

AT 635 PM CDT...STRONG THUNDERSTORMS ARE WEST OF A LINE FROM
ALTONA...IN KNOX COUNTY...TO LEWISTOWN...IN FULTON COUNTY...TO
CHANDLERVILLE...IN SCHUYLER COUNTY.  THESE STORMS ARE MOVING NORTHEAST
AT 30 MPH.

GUSTY WINDS...SMALL HAIL...AND LOCALLY HEAVY RAINFALL CAN BE EXPECTED
OVER WESTERN ILLINOIS FOR THE REMAINDER OF THE EVENING.  STAY TUNED
TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA NEWS SOURCE FOR CURRENT
INFORMATION.

BUCKINGHAM
Special weather statement, Apr 25, 7:44 PM CDT, 1 hour 18 minutes before
ILZ047-050-260145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
742 PM CDT MON APR 25 1994

...STRONG THUNDERSTORMS WERE ALONG THE ILLINOIS RIVER...

AT 740 PM...SPRINGFIELD RADAR SHOWED A LINE OF STRONG THUNDERSTORMS
ALONG THE ILLINOIS RIVER...FROM ABOUT MIDWAY BETWEEN QUINCY AND
ST LOUIS...TO NEAR BEARDSTOWN.  THESE THUNDERSTORMS WERE MOVING
TO THE NORTHEAST AT 35 MPH AND WILL CONTINUE TO AFFECT AREAS ALONG
THE RIVER FOR THE NEXT HOUR OR TWO.

FREQUENT LIGHTNING...BRIEF DOWNPOURS OF RAIN...AND SOME SMALL HAIL
ARE ALL POSSIBLE WITH THESE STORMS.

GEELHART
Special weather statement, Apr 25, 7:49 PM CDT, 1 hour 13 minutes before
ILZ025>027-029-034>036-040-041-260250-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
748 PM CDT MON APR 25 1994

...SHOWERS AND THUNDERSTORMS CONTINUE ACROSS WESTERN ILLINOIS...

AROUND MID EVENING...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE
REGION...MAINLY WEST OF THE ILLINOIS RIVER.  THE STRONGEST THUNDERSTORM
WAS OCCURRING OVER SOUTHEASTERN MCDONOUGH COUNTY 50 MILES NORTHEAST OF
QUINCY.  ALL OF THE SHOWERS AND STORMS WERE MOVING TO THE NORTHEAST AT
AROUND 35 MPH AS THE ENTIRE AREA EXPANDS SLOWLY TO THE EAST.

RAINFALL WILL BEGIN IN THE PEORIA AREA DURING THE NEXT HOUR.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION
STATION FOR FURTHER INFORMATION.

BREESER
Special weather statement, Apr 25, 7:51 PM CDT, 1 hour 11 minutes before
ILZ025>027-029-034>036-040-041-260250-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE PEORIA IL
748 PM CDT MON APR 25 1994

...SHOWERS AND THUNDERSTORMS CONTINUE ACROSS WESTERN ILLINOIS...

AROUND MID EVENING...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE
REGION...MAINLY WEST OF THE ILLINOIS RIVER.  THE STRONGEST THUNDERSTORM
WAS OCCURRING OVER SOUTHEASTERN MCDONOUGH COUNTY 50 MILES NORTHEAST OF
QUINCY.  ALL OF THE SHOWERS AND STORMS WERE MOVING TO THE NORTHEAST AT
AROUND 35 MPH AS THE ENTIRE AREA EXPANDED SLOWLY TO THE EAST.

RAINFALL WILL BEGIN IN THE PEORIA AREA DURING THE NEXT HOUR.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION
STATION FOR FURTHER INFORMATION.

BREESER
Special weather statement, Apr 25, 8:37 PM CDT, 25 minutes before
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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 25, 7:56 PM CDTSevere Thunderstorm WarningILXOgle, Winnebago49 min
Apr 26, 6:20 PM CDTSevere Thunderstorm WarningILXMcLean40 min
Apr 26, 6:35 PM CDTSevere Thunderstorm WarningILXMcLean55 min
Apr 26, 6:37 PM CDTSevere Thunderstorm WarningILXWoodford53 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.