Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 83, NWS Lincoln, IL

July 13, 1992Ogle County, Winnebago County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 13, 1992, 5:15 PM CDT for Ogle County, Winnebago County, Illinois. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1992, 5:15 PM CDT (22:15 UTC)
Expired
Jul 13, 1992, 5:45 PM CDT
In force
30 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Ogle County, IL, Winnebago County, IL

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.3 hours before the alert went out and 271 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 12:00Z on 1992-07-13Temperature 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 12:00Z on 1992-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -69 square meters per square second.1939587897Sfc1 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
817 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-69 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KRFD 132215
SVRRFD
ILC201-141-132245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE ROCKFORD IL
515 PM CDT MON JUL 13 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTH CENTRAL PART OF ILLINOIS
      WINNEBAGO...OGLE

AT 510 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM APPROACHING
BYRON...IN NORTHERN OGLE COUNTY. THIS STORM WAS MOVING TO THE
NORTHEASST AROUND 45 MPH.

SOME COMMUNITIES THAT WILL BE AFFECTED BY THIS SEVERE THUNDERSTORM...
ROCKFORD...WINNEBAGO...PECATONICA...BYRON

IF YOU ARE IN AN AREA THREATENED BY THE STORM...MOVE OUT OF AREAS
THAT ARE PRONE TO FLOODING...AND GO TO A REINFORCED SHELTER!
DAMAGING WINDS...LARGE HAIL...DANGEROUS LIGHTNING...AND HEAVY
RAINFALL THAT CAN QUICKLY FLOOD A LOW LYING AREA IS IMMINENT!
REMEMBER ALSO...SEVERE THUNDERSTORMS CAN AND DO PRODUCE TORNADOES
WITH LITTLE OR NO WARNING...SO BE ALERT!

ATTN: ISP DIST 1...2...16.                   PETROVICH

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, Jul 13, 11:51 AM CDT, 5 hours 24 minutes before
ILZ005-006-007-009-131930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1150 AM CDT MON JUL 13 1992

...SEVERE WEATHER POSSIBLE IN WESTERN AND CENTRAL ILLINOIS TODAY...

VERY WARM AND HUMID AIR OVER OUR REGION WILL COMBINE FORCES WITH A
STATIONARY FRONT EXTENDING FROM SOUTHERN IOWA ACROSS NORTHERN ILLINOIS
TO RAPIDLY PRODUCE THUNDERSTORMS IN WESTERN AND CENTRAL ILLINOIS THIS
AFTERNOON AND INTO TONIGHT. SOME OF THE THUNDERSTORMS MAY BE SEVERE WITH
DAMAGING WINDS...HAIL AND DEADLY LIGHTNING.

HEAVY RAINFALL IS ALSO POSSIBLE IN WESTERN AND CENTRAL ILLINOIS...AND MAY
RESULT IN LOCALIZED FLOODING THIS AFTERNOON AND TONIGHT.

RESIDENTS OF WESTERN AND CENTRAL ILLINOIS SHOULD REMAIN ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AND TAKE THE NECESSARY PRECAUTIONS. STAY
TUNED TO RADIO...TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTS
AND POSSIBLE WATCHES OR WARNINGS CONCERNING THIS WEATHER SITUATION.

MILLER
Special weather statement, Jul 13, 3:06 PM CDT, 2 hours 9 minutes before
ILZ005-006-007-009-132045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
305 PM CDT MON JUL 13 1992

...SEVERE THUNDERSTORMS WATCH IN EFFECT FOR A PORTION OF WESTERN
ILLINOIS...

AT 230 PM CDT...THE WEATHER SERVICE ISSUED A SEVERE THUNDERSTORM WATCH
FOR THE NORTHEASTERN PART OF ILLINOIS...INCLUDING THE TOWNS OF GALESBURG
AND MONMOUTH. THE COUNTIES INCLUDED IN THE WATCH ARE...KNOX...WARREN...
HENDERSON...AND HANCOCK.

WEATHER RADAR INDICATED NO PRECIPITATION ACROSS WEST CENTRAL ILLINOIS
AT 3 PM BUT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS FOR THE MENTIONED COUNTIES UNTIL 9 PM CDT. PERSONS IN THE
AFFECTED AREAS SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS. STAY
TUNED TO LOCAL RADIO AND TV OR NOAA WEATHER RADIO FOR LATER STATEMENTS
OR POSSIBLE WARNINGS.
BREESER

MILLER
Special weather statement, Jul 13, 3:09 PM CDT, 2 hours 6 minutes before
ILZ005-006-007-009-132045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
305 PM CDT MON JUL 13 1992

...SEVERE THUNDERSTORMS WATCH IN EFFECT FOR A PORTION OF WESTERN
ILLINOIS...

AT 230 PM CDT...THE WEATHER SERVICE ISSUED A SEVERE THUNDERSTORM WATCH
FOR THE NORTHEASTERN PART OF ILLINOIS...INCLUDING THE TOWNS OF GALESBURG
AND MONMOUTH. THE COUNTIES INCLUDED IN THE WATCH ARE...KNOX...WARREN...
HENDERSON...AND HANCOCK.

WEATHER RADAR INDICATED NO PRECIPITATION ACROSS WEST CENTRAL ILLINOIS
AT 3 PM BUT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS FOR THE MENTIONED COUNTIES UNTIL 9 PM CDT. PERSONS IN THE
AFFECTED AREAS SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS. STAY
TUNED TO LOCAL RADIO AND TV OR NOAA WEATHER RADIO FOR LATER STATEMENTS
OR POSSIBLE WARNINGS.
BREESER
Special weather statement, Jul 13, 3:36 PM CDT, 1 hour 39 minutes before
ILZ005-006-007-009-132045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
335 PM CDT MON JUL 13 1992

...SEVERE THUNDERSTORMS WATCH IN EFFECT FOR A PORTION OF WESTERN
ILLINOIS...

AT 330 PM CDT...SEVERE THUNDERSTORM WATCHES WERE IN EFFECT FOR THE
NORTHERN THIRD OF ILLINOIS. ONE WATCH IS IN EFFECT UNTIL 9 PM FOR...
KNOX...WARREN...HENDERSON...AND HANCOCK COUNTIES. ANOTHER SEVERE
THUNDERSTORM WATCH HAD BEEN ISSUED AT 320 PM IN EFFECT UNTIL 10 PM
FOR BUREAU...PUTNAM AND MARSHALL COUNTIES.

WEATHER RADAR INDICATED NO PRECIPITATION ACROSS WEST CENTRAL ILLINOIS
AT 330 PM BUT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS FOR THE MENTIONED COUNTIES THROUGH THE EVENING. PERSONS IN THE
AFFECTED AREAS SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS. STAY
TUNED TO LOCAL RADIO AND TV OR NOAA WEATHER RADIO FOR LATER STATEMENTS
OR POSSIBLE WARNINGS.                                         BREESER
Special weather statement, Jul 13, 4:52 PM CDT, 23 minutes before
ILZ005-006-007-009-132145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
445 PM CDT MON JUL 13 1992

...SEVERE THUNDERSTORMS WATCH IN EFFECT FOR A PORTION OF WESTERN
ILLINOIS...

AT 440 PM CDT...A SEVERE THUNDERSTORM WATCH REMAINED IN EFFECT FOR
KNOX...WARREN...HENDERSON...AND HANCOCK COUNTIES UNTIL 9PM. IN ADDITION
A WATCH WAS IN EFFECT UNTIL 10 PM CDT FOR BUREAU...PUTNAM AND MARSHALL
COUNTIES.

ALSO AT 440 PM CDT...WEATHER RADAR INDICATED SEVERE THUNDERSTORMS IN
SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS. THOUGH THE STORMS TO THE
WEST OF OUR REGION PRESENTED NO IMMEDIATE THREAT TO WESTERN OR CENTRAL
ILLINOIS...CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THTUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS SHOULD REMAIN ALERT
TO CHANGING WEATHER CONDITIONS. STAY TUNED TO LOCAL RADIO AND TV OR NOAA
WEATHER RADIO FOR FURTHER STATEMENTS AND WARNINGS.               BREESER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 10:28 PM CDTSevere Thunderstorm WarningILXHancock32 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1992Every severe thunderstorm warning in 1992

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.