Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 5, NWS Lincoln, IL

February 29, 2000Fulton County, Mason County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Feb 29, 2000, 9:58 PM CST for Fulton County, Mason County, Illinois. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Feb 29, 2000, 9:58 PM CST (03:58 UTC)
Expired
Feb 29, 2000, 10:45 PM CST
In force
47 min
Issued by
NWS Lincoln, IL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Fulton County, IL, Mason County, IL

The radar

The Lincoln radar (KILX), 75 km from the middle of the area, began a volume at 03:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.0 hours before the alert went out and 135 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 2000-03-01Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2000-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 248 square meters per square second.1939587897117Sfc1 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
1710 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
248 m²/s²
0-3 km storm-relative helicity
234 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.

925 
WUUS53 KILX 010358
SVRSPI
ILC057-125-010445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
958 PM CST TUE FEB 29 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MASON COUNTY IN CENTRAL ILLINOIS
  FULTON COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 1045 PM CST

* AT 958 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM JUST NORTHWEST OF 
  ASTORIA TO BEARDSTOWN...MOVING EAST-NORTHEAST AT 40 MPH. HAIL TO 
  THE SIZE OF QUARTERS WAS REPORTED WITH THESE STORMS IN RUSHVILLE.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CANTON
  HAVANA
  LEWISTOWN
  ASTORIA
  CUBA
  ST. DAVID
  VERMONT

THIS STORM IS CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MPH...
DAMAGING HAIL...FREQUENTLY LIGHTNING...AND VERY HEAVY RAIN. TAKE
SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

LAT...LON 4050 9045 4021 9044 4020 9032 4024 8961
          4044 8994 4063 8992

CHURCHILL

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 29, 7:58 PM CSTSevere Thunderstorm WarningILXFulton, Knox32 min
Feb 29, 8:29 PM CSTSevere Thunderstorm WarningILXFulton, Knox, Peoria46 min
Feb 29, 9:35 PM CSTSevere Thunderstorm WarningILXMorgan, Scott40 min
Feb 29, 9:35 PM CSTSevere Thunderstorm WarningILXCass, Schuyler40 min
Feb 29, 10:20 PM CSTSevere Thunderstorm WarningILXMenard, Sangamon40 min
Feb 29, 10:49 PM CSTSevere Thunderstorm WarningILXLogan41 min
Feb 29, 11:12 PM CSTSevere Thunderstorm WarningILXDeWitt, McLean48 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; radar from the NEXRAD Level II archive.