Alert archive / Illinois / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 106, NWS Paducah, KY

July 23, 2001Johnson County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Jul 23, 2001, 7:17 PM CDT for Johnson County, Illinois. It was in force for 28 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 23, 2001, 7:17 PM CDT (00:17 UTC)
Expired
Jul 23, 2001, 7:45 PM CDT
In force
28 min
Issued by
NWS Paducah, KY
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Johnson County, IL

The radar

The Paducah radar (KPAH), 45 km from the middle of the area, began a volume at 00:20 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
Jul 23, 7:30 PM CDTThunderstorm Wind 50 ESimpson, ILThree trees were blown down across county roads.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 23, 2:32 PM CDT, 4 hours 45 minutes earlier.

Area forecast discussion, Jul 23, 2:32 PM CDT, 4 hours 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
232 PM CDT MON JUL 23 2001

PRIMARY CONCERNS FOR THIS FORECAST PACKAGE CONTINUE TO BE POPS AND
EXTREME HEAT AND HUMIDITY.

RW/TRW ALREADY BUBBLING UP RANDOMLY IN THE HEAT OF THE DAY. EXPECT
THIS ACTIVITY TO DISSIPATE AROUND SUNSET. LATEST SFC ANAL SHOWED
COLD FRONT THAT EXTENDED FROM NORTHERN MI...TO WEST CENTRL IL... TO
NORTHEAST NE...TO SOUTHWEST SD. THIS BOUNDARY IS EXPECTED TO MOVE
SLOWLY SOUTH AND MAKE IT TO THE NORTHERN BORDER OF OUR CWA BY
WEDNESDAY MORNING. ALTHOUGH THE MODELS ARE IN THE SAME BALLPARK
BRING THE FRONT SOUTH...THEIR SPEED DIFFERS SLIGHTLY (AVN SOLUTION
PREFERRED). WITH TIME THE ORIENTATION OF THE BOUNDARY BECOMES MORE
EAST-WEST (QUASI-STATIONARY) ACROSS THE NORTHERN SECTION BY
WEDNESDAY MORNING SO WILL PUT HIGHER POPS ACROSS THE NORTHERN THIRD
OF THE CWA STARTING WEDNESDAY. WEDNESDAY NIGHT THE UPPER RIDGE
BEGINS TO RETREAT ALLOWING THE FLOW ALOFT TO BECOME MORE NW THUS
GIVING THE FRONT A BETTER PUSH. THE FRONT AND ASSOC MOISTURE SHIELD
SHOULD CLEAR THE SE CORNER OF THE CWA BY THURSDAY AFTERNOON. IN THE
WAKE OF THE FRONT HIGH PRESSURE WILL DOMINATE THROUGH FRIDAY NIGHT.
AT THAT TIME THE FRONT OVER THE DEEP SOUTH WILL BEGIN TO LIFT BACK
TO THE NORTH ALONG WITH DEEPER MOISTURE. ON MONDAY MRF SHOWING DROP
IN MEAN RH AS SHORT WAVE MOVES OFF TO THE EAST SO WILL KEEP
DRY.
WILL LEAVE HEAT ADVISORY IN EFFECT THROUGH TUESDAY AT THIS TIME.
WILL LET MID SHIFT UPGRADE TO EXCESSIVE HEAT WARNING IF NEW GUIDANCE
SHOWS NEED FOR HEAT ADVISORY FOR THIRD DAY IN A ROW.

.PAH...HEAT ADVISORY THROUGH TUESDAY FOR THE ENTIRE CWA.

P,ACKETT

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 24, 11:10 AM CDTFlash Flood WarningPAHCalloway, Marshall65 min
Jul 24, 12:16 PM CDTFlash Flood WarningPAHCalloway29 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2001Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; radar from the NEXRAD Level II archive.