Alert archive / Illinois / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Lincoln, IL

February 4, 2008Stark County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Feb 4, 2008, 9:27 AM CST for Stark County, Illinois. It was in force for 14 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 4, 2008, 9:27 AM CST (15:27 UTC)
Expired
Feb 4, 2008, 9:41 AM CST
In force
14 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

County Stark County, IL

The radar

The Quad Cities radar (KDVN), 89 km from the middle of the area, began a volume at 15:29 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

Davenport, (KDVN), launched 12:00Z, 3.5 hours before the alert went out and 85 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, Davenport, at 12:00Z on 2008-02-04Temperature 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, Davenport, at 12:00Z on 2008-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 square meters per square second.1939587897117136156Sfc1 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
422 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
335 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 KILX 041527
SVRILX
ILC175-041600-
/O.NEW.KILX.SV.W.0021.080204T1527Z-080204T1600Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
927 AM CST MON FEB 4 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN STARK COUNTY IN NORTH CENTRAL ILLINOIS...

* UNTIL 1000 AM CST.

* AT 927 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED 2 MILES WEST OF WYOMING...OR ABOUT 13 MILES
  SOUTHEAST OF KEWANEE...AND WAS MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BRADFORD...
  WYOMING...

ANOTHER LOCATION IN THIS WARNING IS...CASTLETON.

IF YOU IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING...BUT STAY
AWAY FROM WINDOWS.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 4122 8965 4108 8965 4102 8979 4112 8986
TIME...MOT...LOC 1527Z 238DEG 40KT 4109 8977

$$

AUTEN
1 follow-up statement
000 
WWUS53 KILX 041541
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
942 AM CST MON FEB 4 2008

ILC175-041552-
/O.CAN.KILX.SV.W.0021.000000T0000Z-080204T1600Z/
STARK-
942 AM CST MON FEB 4 2008

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN STARK COUNTY IS
CANCELLED...

AT 940 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF THE
AREA...THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4122 8965 4108 8965 4102 8979 4112 8986
TIME...MOT...LOC 1542Z 238DEG 40KT 4117 8958

$$

AUTEN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 4, 2:33 AM CSTDense Fog AdvisoryILXCass, Champaign, Christian, Clark, Clay, Coles and 29 more33 hr
Feb 4, 7:16 AM CSTSevere Thunderstorm WarningILXKnox, Stark29 min
Feb 4, 8:43 AM CSTSevere Thunderstorm WarningILXKnox47 min
Feb 4, 3:09 PM CSTWinter Storm WatchILXCass, Fulton, Knox, Marshall, Mason, Peoria and 4 more12 hr
Feb 4, 4:08 PM CSTFlood WatchILXChampaign, Christian, Clark, Clay, Coles, Crawford and 19 more35 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.