Alert archive / Illinois / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 13, NWS Lincoln, IL

April 27, 1990Tazewell County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 27, 1990, 5:28 PM CDT for Tazewell County, Illinois. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 27, 1990, 5:28 PM CDT (22:28 UTC)
Expired: Apr 27, 1990, 6:30 PM CDT
In force: 62 min
Issued by: NWS Lincoln, IL
Area: Whole counties

County Tazewell County, IL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Apr 27, 6:01 PM CDT	Thunderstorm Wind 52	Tazewell, IL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.5 hours before the alert went out and 389 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1105 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -61 m²/s²
0-3 km storm-relative helicity: -12 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 272228
SVRPIA
ILC179-125-272330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
528 PM CDT FRI APR 27 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF ILLINOIS
      TAZEWELL...MASON

AT 520 PM CDT REPORTS OF A SEVERE THUNDERSTORM 5 MILES WEST OF
PETERSBURG IN CENTRAL MENARD COUNTY...50 MILES SOUTH OF PEORIA.
DAMAGE WAS REPORTED WITH THIS STORM.

THESE STORMS WERE MOVING NORTH NORTHEAST AT 40 MPH.

IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORECED
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 WARNING SO BE ON THE LOOKOUT.

 CITIES IN THE PATH OF THIS STORM ARE MASON CITY IN EASTERN MASON
 COUNTY...AND DELAVANe AND HOPEDALE AND MACKINAW IN SOUTHEREN AND
 CENTRAL TAZEWELL COUNTY.

ATTN ISP DIST 8 AND 9

NADOLSKI

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 4:43 PM CDT	Severe Thunderstorm Warning	ILX	Carroll	32 min
Apr 27, 5:02 PM CDT	Severe Thunderstorm Warning	ILX	Stephenson	28 min
Apr 27, 5:22 PM CDT	Severe Thunderstorm Warning	ILX	Menard, Sangamon	38 min
Apr 27, 5:28 PM CDT	Severe Thunderstorm Warning	ILX	Mason	47 min
Apr 27, 5:35 PM CDT	Severe Thunderstorm Warning	ILX	Ogle, Winnebago	25 min
Apr 27, 6:01 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Peoria	39 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1990 Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.