Alert archive / Illinois / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 163, NWS Lincoln, IL

July 26, 2002Fulton County, Mason County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 26, 2002, 9:43 PM CDT for Fulton County, Mason County, Illinois. It was in force for 62 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: Jul 26, 2002, 9:43 PM CDT (02:43 UTC)
Expired: Jul 26, 2002, 10:45 PM CDT
In force: 62 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Fulton County, IL, Mason County, IL

The radar

The Lincoln radar (KILX), 70 km from the middle of the area, began a volume at 02:38 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.7 hours before the alert went out and 133 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: 798 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1399 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

232 
WUUS53 KILX 270243
SVRSPI
ILC057-125-270345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
942 PM CDT FRI JUL 26 2002

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 CDT

* AT 942 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES SOUTHWEST OF BATH...OR ABOUT 8 MILES
  NORTHEAST OF BEARDSTOWN...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BATH
  KILBOURNE
  DUNCAN MILLS
  HAVANA
  LITTLE AMERICA
  TOPEKA
  EASTON

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

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

LAT...LON 4020 9033 4018 9024 4006 9028 4022 8973
          4051 9003

AUTEN

NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 26, 9:15 PM CDT, 28 minutes earlier.

Area forecast discussion, Jul 26, 9:15 PM CDT, 28 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
915 PM CDT FRI JUL 26 2002

WILL BE UPDATING FCST TO ADJUST WORDING FOR SCATTERED THUNDERSTORMS
FOR TONIGHT. SOME HAVE ALREADY DEVELOPED IN WESTERN IL AND ARE
MOVING EAST AND SOUTHEAST. ANOTHER AREA OF STRONGER STORMS HAS
DEVELOPED IN NE MO AND WRN IA. THIS WILL EVENTUALLY MOVE INTO WRN
IL LATER TONIGHT AND CONTINUE THROUGH THE OVERNIGHT HOURS.

UPDATE OUT SHORTLY.

.ILX...NONE.

AUTEN

In the hours before

Local storm report, Jul 26, 5:05 PM CDT, 4 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN, IL
505 PM CDT FRI JUL 26 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0505 AM    PEORIA                    IL   WIND DAMAGE
07/26/02   PEORIA                         METAL STORAGE SHED BLOWN
                                          OFF BASE AND OVER A FENCE.
                                          NUMEROUS HEALTHY LIMBS
                                          DOWN, SOME UP TO 6-8 INCHES
                                          IN DIAMETER. REPORTED BY
                                          SWOP OBSERVER.

GEELHART

Local storm report, Jul 26, 5:15 PM CDT, 4 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN, IL
515 PM CDT FRI JUL 26 2002

SUMMARY REPORT FROM JULY 26 SO FAR...

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0445 AM    KICKAPOO                  IL   .75 INCH HAIL
07/26/02   PEORIA

0500 AM    PEORIA                    IL   2.00 INCH HAIL
07/26/02   PEORIA                         REPORTED AT THE
                                          INTERSECTION OF WILLOW
                                          KNOLLS ROAD AND UNIVERSITY
                                          DRIVE.

0505 AM    PEORIA                    IL   WIND DAMAGE
07/26/02   PEORIA                         METAL STORAGE SHED BLOWN
                                          OFF BASE AND OVER A FENCE.
                                          NUMEROUS HEALTHY LIMBS
                                          DOWN, SOME UP TO 6-8 INCHES
                                          IN DIAMETER. REPORTED BY
                                          SWOP OBSERVER. TIME
                                          ESTIMATED.

0515 AM    MACKINAW                  IL   1.00 INCH HAIL
07/26/02   TAZEWELL                       REPORTED BY COOPERATIVE
                                          OBSERVER

0515 AM    MACKINAW                  IL   60 MPH TSTM WIND GUST
07/26/02   TAZEWELL                       WIND GUST ESTIMATED BY
                                          COOPERATIVE OBSERVER.

0525 AM    PEKIN                     IL   WIND DAMAGE
07/26/02   TAZEWELL                       TREES AND POWERLINES DOWN
                                          ON ROUTE 9 EAST OF PEKIN.
                                          REPORTED BY COOPERATIVE
                                          OBSERVER.

GEELHART

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 11:03 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Sangamon	57 min
Jul 26, 11:20 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	40 min
Jul 26, 11:38 PM CDT	Severe Thunderstorm Warning	ILX	Logan	52 min
Jul 27, 12:54 AM CDT	Flash Flood Warning	ILX	Logan, Sangamon	6 hr
Jul 27, 3:42 AM CDT	Flash Flood Warning	ILX	Knox	4 hr
Jul 27, 3:45 AM CDT	Flash Flood Warning	ILX	Knox	4 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2002 Every severe thunderstorm warning in 2002

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.