Alert archive / Illinois / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 193, NWS Paducah, KY

June 27, 2008Jefferson County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Jun 27, 2008, 4:57 PM CDT for Jefferson County, Illinois. It was in force for 48 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
Jun 27, 2008, 4:57 PM CDT (21:57 UTC)
Expired
Jun 27, 2008, 5:45 PM CDT
In force
48 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

County Jefferson County, IL

The radar

The Evansville,IN radar (KVWX), 105 km from the middle of the area, began a volume at 22:01 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
Jun 27, 5:49 PM CDTFUNNEL CLOUD4 Ese Mount Vernon, ILROTATING WALL CLOUD PRODUCED A BRIEF FUNNEL CLOUD. OBSERVED FROM JUNCTION OF INTERSTATES 64 AND 57 LOOKING EAST.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.0 hours before the alert went out and 207 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 2008-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 301 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2008-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.193958Sfc1 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
301 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
1261 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jun 27, 1:18 PM CDT, 3 hours 39 minutes earlier.

Area forecast discussion, Jun 27, 1:18 PM CDT, 3 hours 39 minutes before
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Hazardous weather outlook, Jun 27, 12:50 PM CDT, 4 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
1250 PM CDT FRI JUN 27 2008

ILZ085>094-INZ086>088-KYZ001>022-MOZ086-087-100-107>112-114-
281000-
WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-HARDIN-ALEXANDER-
PULASKI-MASSAC-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-BOLLINGER-CAPE GIRARDEAU-
WAYNE MO-CARTER-RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-
NEW MADRID-
1250 PM CDT FRI JUN 27 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS...BUT WIDESPREAD SEVERE STORMS
ARE NOT EXPECTED AT THIS TIME. AN ISOLATED STRONGER STORM COULD
PRODUCE LOCALLY HEAVY RAIN OR FREQUENT CLOUD-TO-GROUND
LIGHTNING...THE PRIMARY THREATS IF A STORM DEVELOPS.

FLOODING WILL CONTINUE ON THE MISSISSIPPI AND BIG MUDDY RIVERS...
INCLUDING MODERATE TO MAJOR FLOODING ON PARTS OF THE MISSISSIPPI
RIVER. REFER TO THE LATEST WARNINGS AND STATEMENTS FOR MORE
DETAILED INFORMATION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE LIKELY SATURDAY AND SATURDAY NIGHT. THERE IS A
SLIGHT RISK THAT SOME OF THE STORMS MAY BECOME SEVERE...ESPECIALLY
SATURDAY AFTERNOON AND EVENING AS A COLD FRONT MOVES ACROSS THE
REGION. THE STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WINDS AND
LARGE HAIL...IN ADDITION TO LOCALIZED FLOODING FROM VERY HEAVY
RAIN. FREQUENT CLOUD-TO-GROUND LIGHTNING WILL ALSO BE A HAZARD.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SUNDAY OVER PORTIONS OF
SOUTHEAST ILLINOIS...SOUTHWEST INDIANA...AND THE PENNYRILE REGION
OF WESTERN KENTUCKY...EAST OF THE LAKES. HOWEVER WIDESPREAD SEVERE
STORMS ARE NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MAINTAIN A WEATHER WATCH IN CASE THEIR ACTIVATION
IS REQUESTED THROUGH SATURDAY.

ILZ075>078-080>084-INZ081-082-085-MOZ076-281000-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-GIBSON-PIKE-POSEY-PERRY MO-
1250 PM CDT FRI JUN 27 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING. LARGE HAIL AND DAMAGING WINDS ARE THE PRIMARY SEVERE
WEATHER THREATS. LOCALLY HEAVY RAINS AND FREQUENT CLOUD-TO-GROUND
LIGHTNING ARE ALSO THREATS THAT CAN BE EXPECTED WITH ANY STRONGER
THUNDERSTORMS.

FLOODING WILL CONTINUE ON THE MISSISSIPPI AND BIG MUDDY RIVERS...
INCLUDING MODERATE TO MAJOR FLOODING ON PARTS OF THE MISSISSIPPI
RIVER. REFER TO THE LATEST WARNINGS AND STATEMENTS FOR MORE
DETAILED INFORMATION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE LIKELY SATURDAY AND SATURDAY NIGHT. THERE IS A
SLIGHT RISK THAT SOME OF THE STORMS MAY BECOME SEVERE...ESPECIALLY
SATURDAY AFTERNOON AND EVENING AS A COLD FRONT MOVES ACROSS THE
REGION. THE STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WINDS AND
LARGE HAIL...IN ADDITION TO LOCALIZED FLOODING FROM VERY HEAVY
RAIN. FREQUENT CLOUD-TO-GROUND LIGHTNING WILL ALSO BE A HAZARD.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SUNDAY OVER PORTIONS OF
SOUTHEAST ILLINOIS...SOUTHWEST INDIANA...AND THE PENNYRILE REGION
OF WESTERN KENTUCKY...EAST OF THE LAKES. HOWEVER WIDESPREAD SEVERE
STORMS ARE NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MAINTAIN A WEATHER WATCH IN CASE THEIR ACTIVATION
IS REQUESTED THROUGH SATURDAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 8:55 PM CDTAreal Flood AdvisoryPAHGallatin2 hr
Jun 27, 4:14 AM CDTAreal Flood AdvisoryPAHPerry2 hr
Jun 27, 5:21 PM CDTSevere Thunderstorm WarningPAHPerry39 min
Jun 27, 5:40 PM CDTTornado WarningPAHJefferson35 min
Jun 27, 6:09 PM CDTSevere Thunderstorm WarningPAHFranklin, Jefferson, Perry36 min
Jun 27, 6:16 PM CDTSevere Thunderstorm WarningPAHWayne44 min
Jun 27, 6:22 PM CDTSevere Thunderstorm WarningPAHHamilton, White38 min
Jun 27, 6:32 PM CDTSevere Thunderstorm WarningPAHUnion43 min
Jun 27, 6:33 PM CDTTornado WarningPAHWayne27 min
Jun 27, 6:42 PM CDTSevere Thunderstorm WarningPAHWilliamson33 min
Jun 27, 6:44 PM CDTSevere Thunderstorm WarningPAHHamilton, White31 min
Jun 27, 6:58 PM CDTSevere Thunderstorm WarningPAHSaline47 min
Jun 27, 6:59 PM CDTSevere Thunderstorm WarningPAHEdwards, Hamilton, Wabash, Wayne, White46 min
Jun 26, 8:33 PM CDTSevere Thunderstorm WarningPAHHenderson, Union42 min
Jun 26, 7:04 PM CDTSevere Thunderstorm WarningPAHBollinger41 min
Jun 26, 8:52 PM CDTAreal Flood AdvisoryPAHBollinger, Cape Girardeau4 hr
Jun 26, 9:51 PM CDTFlash Flood WarningPAHBollinger114 min
Jun 27, 6:20 PM CDTSevere Thunderstorm WarningPAHCape Girardeau25 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.