Alert archive / Illinois / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 39, NWS St. Louis, MO

February 5, 2008Calhoun County, Jersey County, Illinois; Lincoln County, Saint Charles County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Feb 5, 2008, 3:36 PM CST for Calhoun County, Jersey County, Illinois; Lincoln County, Saint Charles County, Missouri. It was in force for 24 min. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 5, 2008, 3:36 PM CST (21:36 UTC)
Expired
Feb 5, 2008, 4:00 PM CST
In force
24 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Calhoun County, IL, Jersey County, IL, Lincoln County, MO, Saint Charles County, MO

The radar

The St Louis radar (KLSX), 16 km from the middle of the area, began a volume at 21:37 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.

What was reported inside it

TimeReportWhereRemark
Feb 5, 3:41 PM CSTHAIL 0.75O'Fallon, MOREPORTED BY NWS EMPLOYEE.
Feb 5, 3:43 PM CSTHAIL 0.25O'Fallon, MONUMEROUS REPORTS OF PEA SIZE HAIL IN OFALLON.
Feb 5, 3:44 PM CSTHAIL 0.75O'Fallon, MOAT MEXICO ROAD AND HWY K.
Feb 5, 3:47 PM CSTHAIL 0.25O'Fallon, MOLOTS OF PEA SIZE HAIL AT I-70 AND HWY K/M. CAUSING TRAFFIC PROBLEMS.
Feb 5, 3:47 PM CSTHAIL 0.75O'Fallon, MOHWY K AND FEISE ROAD.
Feb 5, 3:50 PM CSTHAIL 0.881 S O'Fallon, MODIME TO NICKEL SIZED HAIL 2.5 INCHES DEEP COVERING THE GROUND AT INTERSECTION OF HIGHWAY K AND MEXICO ROAD.
Feb 5, 3:56 PM CSTHAIL 0.75O'Fallon, MONUMEROUS REPORTS OF HAIL UP TO PENNY SIZE COVERING THE GOUND. STORM DRAINS BECOMING CLOGGED CAUSNING PONDING OF WATER.
Feb 5, 4:05 PM CSTHAIL 0.75Grafton, ILPEA TO PENNY SIZE HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 7, 1:52 PM CSTTornado WatchSPC146 days

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 225 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 12:00Z on 2008-02-05Temperature 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 12:00Z on 2008-02-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
860 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
54 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 
WUUS53 KLSX 052137
SVRLSX
ILC013-083-MOC113-183-052200-
/O.NEW.KLSX.SV.W.0039.080205T2136Z-080205T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
336 PM CST TUE FEB 5 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI
  EASTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
  SOUTHEASTERN CALHOUN COUNTY IN SOUTHWEST ILLINOIS
  SOUTHWESTERN JERSEY COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 400 PM CST

* AT 332 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES
  SOUTHWEST OF LAKE ST. LOUIS...AND MOVING NORTHEAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ST. PAUL...
  ST. PETERS...
  HARVESTER...
  ST. CHARLES...
  ORCHARD FARMS...
  GRAFTON...
  ELSAH...
  PORTAGE DES SIOUX...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

HAIL UP TO THE SIZE OF NICKELS HAS BEEN REPORTED IN DEFIANCE WITH 
THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE 
ACTION TO PROTECT LIFE AND PROPERTY.

LAT...LON 3892 9028 3883 9045 3871 9056 3869 9063
      3869 9065 3868 9065 3868 9068 3884 9090
      3913 9060
TIME...MOT...LOC 2136Z 223DEG 54KT 3875 9078

$$

TILLY

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 4, 8:45 PM CSTSevere Thunderstorm WarningLSXCalhoun, Greene, Pike45 min
Feb 4, 8:50 PM CSTRiver Flood WarningLSXFayette5 days
Feb 4, 10:57 PM CSTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey48 min
Feb 4, 11:37 PM CSTSevere Thunderstorm WarningLSXCalhoun, Jersey38 min
Feb 5, 4:20 AM CSTWinter Weather AdvisoryLSXAdams, Brown35 hr
Feb 5, 3:56 PM CSTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey, Macoupin, Madison35 min
Feb 5, 4:43 PM CSTFlash Flood WarningLSXJersey, Macoupin5 hr
Feb 4, 8:08 PM CSTSevere Thunderstorm WarningLSXLincoln, Montgomery, Pike52 min
Feb 4, 9:14 PM CSTSevere Thunderstorm WarningLSXLincoln31 min
Feb 4, 9:27 PM CSTSevere Thunderstorm WarningLSXLincoln, Montgomery, Warren48 min
Feb 4, 9:59 PM CSTSevere Thunderstorm WarningLSXCallaway, Osage26 min
Feb 4, 10:13 PM CSTSevere Thunderstorm WarningLSXGasconade, Lincoln, Montgomery, Warren47 min
Feb 5, 3:08 PM CSTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Warren39 min
Feb 5, 3:13 PM CSTFlash Flood WarningLSXFranklin, Gasconade, Osage5 hr
Feb 5, 3:37 PM CSTFlash Flood WarningLSXSaint Charles, Warren5 hr
Feb 5, 3:57 PM CSTFlash Flood WarningLSXCrawford5 hr
Feb 5, 4:30 PM CSTSevere Thunderstorm WarningLSXJefferson, Saint Francois, Washington29 min
Feb 5, 5:35 PM CSTSevere Thunderstorm WarningLSXCrawford, Iron, Reynolds, Washington26 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2008Severe Thunderstorm Warnings in Missouri, 2008Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.