Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 42, NWS Lincoln, IL

June 19, 1992Henderson County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 19, 1992, 6:21 PM CDT for Henderson County, Illinois. It was in force for 24 min.

The area

The counties it named.

The facts

Issued
Jun 19, 1992, 6:21 PM CDT (23:21 UTC)
Expired
Jun 19, 1992, 6:45 PM CDT
In force
24 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Henderson County, IL

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.4 hours before the alert went out and 450 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, Topeka, KS at 12:00Z on 1992-06-19Temperature 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, Topeka, KS at 12:00Z on 1992-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
2139 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
57 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 KPIA 192321
SVRPIA
ILC071-192345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
621 PM CDT FRI JUN 19 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE WEST CENTRAL PART OF ILLINOIS
      HENDERSON

AT 6:20 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM MOVING
ACROSS THE MISSISSIPPI RIVER FROM IOWA... APPROACHING WESTERN
HENDERSON COUNTY NEAR OQUAWKA.  THIS THUNDERSTORM DOWNED TREES
IN MEDIAPOLIS IOWA AT 6PM.  THE STORM SHOULD AFFECT OQUAWKA AND
BIGGSVILLE DURING THE NEXT 30 MINUTES.

THE THUNDERSTORM WAS MOVING SOUTHEAST AT 30 MPH.

IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND LIGHTNING.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNZING SO BE ON THE LOOKOUT.

 A TORNADO WATCH REMAINS IN EFFECT UNTIL 9PM FOR BUREAU AND PUTNAM
 COUNTIES.

ATTN ISP 14

JACOBS

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, Jun 19, 3:47 PM CDT, 2 hours 34 minutes before
ILZ005-006-007-009-192145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
345 PM CDT FRI JUN 19 1992

A TORNADO WATCH HAS BEEN ISSUED UNTIL 9PM FOR PARTS OF NORTHWEST ILLINOIS
AND INCLUDES THE FOLLOWING COUNTIES IN THE HEART OF ILLINOIS AREA...

              BUREAU AND PUTNAM

THIS AREA IS NORTH OF THE PEORIA AREA AND PEORIA IS NOT INCLUDED IN THE
WATCH.

RADAR AT 3:40 PM INDICATED NO PRECIPITATION OTHER THAN A FEW SPRINKLES.

THE WATCH WAS ISSUED BECAUSE OF THE RECENT DEVELOPMENT OF INTENSE
THUNDERSTORMS IN SOUTHEAST MINNESOTA AND NORTHEAST IOWA THAT SHOULD PUSH
SOUTHEASTWARD INTO NORTHWEST ILLINOIS DURING THE NEXT SEVERAL HOURS.

JACOBS
Special weather statement, Jun 19, 4:37 PM CDT, 1 hour 44 minutes before
ILZ005-006-007-009-192245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
440 PM CDT FRI JUN 19 1992

...TORNADO WATCH UNTIL 9PM FOR BUREAU AND PUTNAM COUNTIES...

ALTHOUGH A TORNADO WATCH IS IN EFFECT... RADAR AT 4:35 PM INDICATED NO
THUNDERSTORMS IN OR APPROACHING THE HEART OF ILLINOIS AREA.

THE TORNADO WATCH AREA DOES NOT INCLUDE PEORIA COUNTY.

THE WATCH WAS ISSUED BECAUSE OF THE RECENT DEVELOPMENT OF INTENSE
THUNDERSTORMS IN SOUTHEAST MINNESOTA AND NORTHEAST IOWA THAT SHOULD PUSH
SOUTHEASTWARD INTO NORTHWEST ILLINOIS DURING THE NEXT SEVERAL HOURS.

JACOBS
Special weather statement, Jun 19, 5:48 PM CDT, 33 minutes before
ILZ005-006-007-009-192345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
545 PM CDT FRI JUN 19 1992

...TORNADO WATCH UNTIL 9PM FOR BUREAU AND PUTNAM COUNTIES...

AT 5:42 PM CDT... RADAR INDICATED THUNDERSTORMS MOVING ACROSS THE
MISSISSIPPI RIVER INTO NORTHWEST ILLINOIS AROUND THE QUAD CITIES AREA.

THE THUNDERSTORMS HAVE BEEN MOVING TO THE SOUTHEAST AT 30 MPH.  IF THIS
MOVEMENT CONTINUES... AND IF THE THUNDERSTORMS HOLD TOGETHER..e. THEY WOULD
REACH NORTHERN KNOX COUNTY AND WESTERN BUREAU COUNTY ABOUT 7PM.

THIS IS ALL GOING ON WELL TO THE NORTHWEST OF PEORIA... AND PEORIA IS
NOT INCLUDED IN THE TORNADO WATCH.

JACOBS

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.