Alert archive / Illinois / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 151, NWS Paducah, KY

April 7, 2006Franklin County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Apr 7, 2006, 4:42 PM CDT for Franklin County, Illinois. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 7, 2006, 4:42 PM CDT (21:42 UTC)
Expired: Apr 7, 2006, 5:30 PM CDT
In force: 48 min
Issued by: NWS Paducah, KY
Area: Counties, with a storm outline in the text

County Franklin County, IL

The radar

The Paducah radar (KPAH), 104 km from the middle of the area, began a volume at 21:44 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 7, 10:20 AM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.7 hours before the alert went out and 242 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: 9 J/kg
Mixed-layer CIN: -207 J/kg
Mixed-layer LCL: 1690 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

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 Apr 7, 3:20 PM CDT, 1 hour 22 minutes earlier.

Area forecast discussion, Apr 7, 3:20 PM CDT, 1 hour 22 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
320 PM CDT FRI APR 7 2006

.DISCUSSION...
ONGOING SEVERE WEATHER PRECLUDES LENGTHY DISCUSSION. TORNADO WATCH
#162 CURRENTLY IN EFFECT UNTIL 8 PM CDT. FOR MORE DETAILED
INFORMATION REGARDING LATEST SEVERE WEATHER OUTLOOKS AND
WATCHES...REFER TO LATEST PRODUCTS FROM STORM PREDICTION CENTER.

ROUND ONE WITH SEVERE WEATHER OVER WEST KENTUCKY HAS MOVED EAST OF
THE AREA. NUMEROUS LARGE HAIL REPORTS WERE RECEIVED. ROUND TWO IS
ONGOING OVER SOUTHERN ILLINOIS...ALSO PRODUCING LARGE HAIL. AWAITING
FURTHER DEVELOPMENT.

ELONGATED AREA OF SURFACE LOW PRESSURE WILL MOVE SOUTH AND EAST OF
THE REGION BY 06 UTC. THIS SHOULD PUSH THE SEVERE WEATHER THREAT
EAST OF THE FORECAST AREA. THE UPPER LEVEL LOW/TROUGH WILL PAST EAST
OF THE FORECAST AREA BY 12 UTC. UNTIL THEN A CHANCE OF SHOWERS WILL
LINGER UNTIL AROUND DAYBREAK SATURDAY.

FROM PREVIOUS DISCUSSION...FOLLOWING THE DEPARTURE OF THE UPPER LOW
EARLY SATURDAY...SIGNIFICANT COLD/DRY AIR ADVECTION/MIXING WILL TAKE
PLACE ACROSS THE WFO PAH FORECAST AREA. ANY MIXING SHOULD DIMINISH
BY EARLY EVENING...PLACING THE WFO PAH FORECAST AREA IN IDEAL
CONDITIONS FOR FROST DEVELOPMENT. ALTHOUGH WE ARE IN THE EARLY PART
OF THE OUTDOOR GROWING SEASON...I WILL LEAVE ANY CONSIDERATION OR
MENTION OF FROST ADVISORY POTENTIAL TO THE (DAY AND) FOLLOWING
EVENING FORECAST CREWS. A CAUTIONARY STATEMENT WAS PLACED IN THE
HAZARDOUS WEATHER OUTLOOK AS A HEADS UP FOR AGRICULTURAL INTERESTS.

DRY WEATHER SHOULD PERSIST INTO EARLY NEXT WEEK. AT THIS
TIME...KEPT CURRENT MENTION OF THUNDERSTORM CHANCES THE SAME AS IN
PREVIOUS FORECAST PACKAGES.

&&

.PAH WATCHES/WARNINGS/ADVISORIES...
KY...TORNADO WATCH 162 UNTIL 01 UTC ALL COUNTIES.
MO...TORNADO WATCH 162 UNTIL 01 UTC ALL COUNTIES.
IL...TORNADO WATCH 162 UNTIL 01 UTC ALL COUNTIES.
IN...TORNADO WATCH 162 UNTIL 01 UTC ALL COUNTIES.

&&

ML

Hazardous weather outlook, Apr 7, 7:21 AM CDT, 9 hours 21 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PADUCAH KY
721 AM CDT FRI APR 7 2006

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-081230-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY-VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-MCCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIGG-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
721 AM CDT FRI APR 7 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

A MODERATE RISK OF SEVERE THUNDERSTORMS WILL EXIST THIS AFTERNOON
INTO EARLY THIS EVENING FOR LOCATIONS SOUTH AND EAST OF A LINE
FROM DEXTER AND CAPE GIRARDEAU MISSOURI...EASTWARD TO BENTON AND
CARMI ILLINOIS...THEN ONWARD TO PRINCETON AND SANTA CLAUS INDIANA.

THE GREATEST CONCERN IN THIS RISK AREA WILL BE LARGE HAIL AND
ISOLATED TORNADOES.

THE POTENTIAL FOR ISOLATED TORNADO DEVELOPMENT WILL BE MOST LIKELY DURING
THE EARLY AFTERNOON...ESPECIALLY ACROSS THE LOWER DELTA REGION OF EXTREME
SOUTHEAST MISSOURI...EASTWARD INTO THE PURCHASE AND PENNYRILE
AREAS OF WEST KENTUCKY. THE TORNADO POTENTIAL SHOULD DIMINISH
MARKEDLY BY EARLY THIS EVENING.

A SLIGHT RISK OF SEVERE THUNDERSTORMS WILL EXIST ACROSS THE
REMAINDER OF THE OUTLOOK AREA MAINLY DURING THE AFTERNOON HOURS.
THE MAIN HAZARDS IN THIS AREA WILL BE LARGE HAIL AND DAMAGING
WIND GUSTS.

THUNDERSTORMS WILL LIKELY DEVELOP DURING THE LATE MORNING
HOURS...WITH STRONG TO SEVERE THUNDERSTORMS MOST LIKELY TO BEGIN BETWEEN
NOON AND 2 PM. THESE THUNDERSTORMS WILL LIKELY START OUT IN SOUTHEAST
MISSOURI AND SOUTHWEST ILLINOIS...THEN SPREAD EAST THROUGH THE
AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

AREAS OF FROST WILL BE LIKELY SATURDAY NIGHT. AGRICULTURAL
INTERESTS WORKING WITH SENSITIVE OUTDOOR PLANTS OR TREES SHOULD
MAKE PLANS BY SATURDAY TO LESSEN ANY DAMAGE DUE TO THE FROST.

A CHANCE OF THUNDERSTORMS IS EXPECTED TO RETURN LATE TUESDAY INTO
WEDNESDAY. AT THIS TIME...THE PROBABILITY OF WIDESPREAD HAZARDOUS
WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL LIKELY BE REQUESTED THIS
AFTERNOON AND EVENING.

SMITH

In the hours before

Local storm report, Apr 7, 4:02 PM CDT, 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE
402 PM CDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 PM     HAIL             MOUNT CARMEL            38.42N 87.77W
04/07/2006  E0.88 INCH       WABASH             IL   TRAINED SPOTTER

&&

MIKEN

Local storm report, Apr 7, 4:03 PM CDT, 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE
403 PM CDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0359 PM     HAIL             MOUNT CARMEL            38.42N 87.77W
04/07/2006  E1.25 INCH       WABASH             IL   TRAINED SPOTTER

&&

MIKEN

Local storm report, Apr 7, 4:11 PM CDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE
411 PM CDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0410 PM     HAIL             PRINCETON               38.36N 87.57W
04/07/2006  E1.00 INCH       GIBSON             IN   TRAINED SPOTTER

            THE HAIL ACCUMULATED TO 2 INCHES DEEP.

&&

MIKEN

Local storm report, Apr 7, 4:29 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
429 PM CDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0428 PM     HAIL             POSEYVILLE              38.17N 87.78W
04/07/2006  M1.75 INCH       POSEY              IN   TRAINED SPOTTER

&&

SMITTY

Local storm report, Apr 7, 4:31 PM CDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
431 PM CDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0428 PM     HAIL             PETERSBURG              38.49N 87.28W
04/07/2006  M0.75 INCH       PIKE               IN   LAW ENFORCEMENT

            REPORTED BY STATE POLICE. OFFICER REPORTED ZERO
            VISIBILITY WITH THE STORM.

&&

SMITTY

Local storm report, Apr 7, 4:35 PM CDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE
435 PM CDT FRI APR 07 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0415 PM     HAIL             OAKLAND CITY            38.34N 87.35W
04/07/2006  E2.50 INCH       GIBSON             IN   NWS EMPLOYEE

            THIS WAS A FOLLOWUP REPORT TO THE GOLF BALL SIZE HAIL IN
            OAKLAND CITY.

&&

MIKEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 10:59 AM CDT	Severe Thunderstorm Warning	PAH	Calloway	20 min
Apr 7, 11:12 AM CDT	Severe Thunderstorm Warning	PAH	Trigg	63 min
Apr 7, 11:26 AM CDT	Severe Thunderstorm Warning	PAH	Christian	64 min
Apr 7, 11:55 AM CDT	Severe Thunderstorm Warning	PAH	Hopkins, Muhlenberg	65 min
Apr 7, 11:57 AM CDT	Severe Thunderstorm Warning	PAH	Calloway	48 min
Apr 7, 12:13 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Lyon	47 min
Apr 7, 12:20 PM CDT	Severe Thunderstorm Warning	PAH	Trigg	55 min
Apr 7, 12:43 PM CDT	Severe Thunderstorm Warning	PAH	Calloway	47 min
Apr 7, 12:52 PM CDT	Severe Thunderstorm Warning	PAH	McLean	38 min
Apr 7, 12:57 PM CDT	Severe Thunderstorm Warning	PAH	Christian, Todd	48 min
Apr 7, 1:02 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell	28 min
Apr 7, 1:19 PM CDT	Severe Thunderstorm Warning	PAH	Daviess	56 min
Apr 7, 1:24 PM CDT	Severe Thunderstorm Warning	PAH	Hopkins	55 min
Apr 7, 1:29 PM CDT	Severe Thunderstorm Warning	PAH	Calloway	26 min
Apr 7, 1:33 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden	27 min
Apr 7, 1:37 PM CDT	Severe Thunderstorm Warning	PAH	Webster	53 min
Apr 7, 1:39 PM CDT	Severe Thunderstorm Warning	PAH	Trigg	21 min
Apr 7, 1:42 PM CDT	Severe Thunderstorm Warning	PAH	Christian	48 min
Apr 7, 1:54 PM CDT	Severe Thunderstorm Warning	PAH	McLean	36 min
Apr 7, 2:01 PM CDT	Severe Thunderstorm Warning	PAH	Henderson	44 min
Apr 7, 2:13 PM CDT	Severe Thunderstorm Warning	PAH	Muhlenberg	29 min
Apr 7, 2:15 PM CDT	Severe Thunderstorm Warning	PAH	Daviess	30 min
Apr 7, 4:57 PM CDT	Severe Thunderstorm Warning	PAH	Crittenden, Livingston	48 min
Apr 7, 5:05 PM CDT	Severe Thunderstorm Warning	PAH	Fulton, Hickman	55 min
Apr 7, 5:29 PM CDT	Severe Thunderstorm Warning	PAH	Carlisle, Graves	61 min
Apr 7, 5:38 PM CDT	Severe Thunderstorm Warning	PAH	Union, Webster	52 min
Apr 7, 5:47 PM CDT	Severe Thunderstorm Warning	PAH	Lyon, Marshall	43 min
Apr 7, 5:55 PM CDT	Severe Thunderstorm Warning	PAH	Daviess, Henderson	65 min
Apr 7, 6:19 PM CDT	Severe Thunderstorm Warning	PAH	Calloway	41 min
Apr 7, 6:20 PM CDT	Severe Thunderstorm Warning	PAH	Hopkins, McLean	40 min
Apr 7, 6:25 PM CDT	Severe Thunderstorm Warning	PAH	Marshall	37 min
Apr 7, 6:28 PM CDT	Severe Thunderstorm Warning	PAH	Union, Webster	32 min
Apr 7, 6:42 PM CDT	Severe Thunderstorm Warning	PAH	Lyon, Trigg	48 min
Apr 7, 1:42 PM CDT	Severe Thunderstorm Warning	PAH	Perry	48 min
Apr 7, 2:00 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	45 min
Apr 7, 2:19 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jefferson	56 min
Apr 7, 2:33 PM CDT	Severe Thunderstorm Warning	PAH	Perry	42 min
Apr 7, 2:45 PM CDT	Severe Thunderstorm Warning	PAH	Hamilton, Wayne	60 min
Apr 7, 2:54 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	21 min
Apr 7, 3:14 PM CDT	Severe Thunderstorm Warning	PAH	Franklin	31 min
Apr 7, 3:33 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash	42 min
Apr 7, 4:05 PM CDT	Severe Thunderstorm Warning	PAH	White	25 min
Apr 7, 4:17 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	58 min
Apr 7, 5:39 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, White	36 min
Apr 7, 1:19 PM CDT	Severe Thunderstorm Warning	PAH	Perry	56 min
Apr 7, 5:08 PM CDT	Severe Thunderstorm Warning	PAH	New Madrid	37 min
Apr 7, 6:03 PM CDT	Severe Thunderstorm Warning	PAH	New Madrid	42 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2006 Every severe thunderstorm warning in 2006

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.