Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 91, NWS St. Louis, MO

April 19, 2000Pike County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 19, 2000, 8:47 PM CDT for Pike County, Illinois. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 19, 2000, 8:47 PM CDT (01:47 UTC)
Expired
Apr 19, 2000, 9:20 PM CDT
In force
33 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Pike County, IL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 19, 4:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.8 hours before the alert went out and 204 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, Lincoln, IL at 00:00Z on 2000-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2000-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 334 square meters per square second.193958Sfc1 km3 km6 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
1377 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
334 m²/s²
0-3 km storm-relative helicity
489 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.

892 
WUUS53 KLSX 200147
SVRSTL
ILC149-200220-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
847 PM CDT WED APR 19 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PIKE COUNTY ILLINOIS IN WEST CENTRAL ILLINOIS

* UNTIL 920 PM CDT

* AT 845 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES NORTH OF BOWLING GREEN... MOVING
  NORTHEAST AT 50 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  BARRY
  NEW HARTFORD
  ROCKPORT
  NEW CANTON

1 INCH HAIL IN BOWLING GREEN

THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWAY
FROM WINDOWS.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

JPK/RP


&

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 8:57 PM CDTSevere Thunderstorm WarningLSXCalhoun33 min
Apr 20, 3:46 AM CDTSevere Thunderstorm WarningLSXAdams49 min
Apr 20, 4:29 AM CDTSevere Thunderstorm WarningLSXCalhoun, Pike51 min
Apr 20, 4:49 AM CDTSevere Thunderstorm WarningLSXGreene, Jersey46 min
Apr 20, 5:06 AM CDTSevere Thunderstorm WarningLSXMacoupin49 min
Apr 20, 7:18 AM CDTSevere Thunderstorm WarningLSXJersey42 min
Apr 20, 7:29 AM CDTSevere Thunderstorm WarningLSXGreene46 min
Apr 20, 8:02 AM CDTTornado WarningLSXMacoupin43 min
Apr 20, 8:54 AM CDTSevere Thunderstorm WarningLSXMontgomery51 min
Apr 20, 9:37 AM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette48 min
Apr 20, 10:27 AM CDTSevere Thunderstorm WarningLSXFayette48 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2000Every severe thunderstorm warning in 2000

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.