Alert archive / Illinois / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 131, NWS Paducah, KY

August 19, 2014Alexander County, Union County, Illinois; Cape Girardeau County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Aug 19, 2014, 3:22 PM CDT for Alexander County, Union County, Illinois; Cape Girardeau County, Missouri. It was in force for 38 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
Aug 19, 2014, 3:22 PM CDT (20:22 UTC)
Expired
Aug 19, 2014, 4:00 PM CDT
In force
38 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Alexander County, IL, Union County, IL, Cape Girardeau County, MO

The radar

The Paducah radar (KPAH), 66 km from the middle of the area, began a volume at 20:26 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

Little Rock, AR (KBYH), launched 12:00Z, 8.4 hours before the alert went out and 284 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, Little Rock, AR at 12:00Z on 2014-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 347 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, Little Rock, AR at 12:00Z on 2014-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939Sfc1 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
347 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
108 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 Aug 19, 3:15 PM CDT, 7 minutes earlier.

Area forecast discussion, Aug 19, 3:15 PM CDT, 7 minutes before
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Hazardous weather outlook, Aug 19, 11:04 AM CDT, 4 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
ISSUED BY NATIONAL WEATHER SERVICE LOUISVILLE KY
1104 AM CDT TUE AUG 19 2014

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-201000-
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-
1104 AM CDT TUE AUG 19 2014

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED STRONG TO SEVERE THUNDERSTORMS MAY DEVELOP ALONG AN
OUTFLOW BOUNDARY ACROSS SOUTHERN ILLINOIS EARLY THIS AFTERNOON.
ANY DEVELOPMENT WILL MOVE SOUTHEAST THROUGH THE EVANSVILLE TRI
STATE LATE THIS AFTERNOON INTO THE EARLY EVENING HOURS. A CAPPING
INVERSION IS EXPECTED TO LIMIT THE SOUTHWESTWARD EXTENT OF THE
DEVELOPMENT. LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY
CONCERNS. LOCALLY HEAVY RAINFALL AND DANGEROUS LIGHTNING SHOULD ALSO
BE EXPECTED.

ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL BE POSSIBLE
OVERNIGHT TONIGHT. LOCALLY HEAVY RAINFALL AND FREQUENT LIGHTNING
WILL BE THE PRIMARY CONCERNS.

A FEW LOCATIONS...MAINLY OVER SOUTHEAST MISSOURI AND THE PURCHASE
AREA OF WEST KENTUCKY MAY SEE HEAT INDEX VALUES CLIMB TO AROUND
100 THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THUNDERSTORMS ARE ALSO POSSIBLE OVER THE NORTHEAST HALF TO TWO
THIRDS OF THE OUTLOOK AREA WEDNESDAY...WEDNESDAY NIGHT...AND
THURSDAY. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED AT THIS TIME.

A PROLONGED PERIOD OF HEAT AND HUMIDITY IS SHAPING UP FROM MID WEEK
THROUGH THE WEEKEND. PEAK AFTERNOON HEAT INDEX VALUES ARE FORECAST
TO RANGE FROM 100 TO 105 EACH AFTERNOON FROM WEDNESDAY THROUGH
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ACROSS SOUTHERN ILLINOIS AND THE EVANSVILLE TRI STATE
REGION SHOULD BE PREPARED FOR ACTIVATION THIS AFTERNOON AND EVENING.

DRS

In the hours before

Local storm report, Aug 19, 12:10 PM CDT, 3 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
1210 PM CDT TUE AUG 19 2014

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

0449 PM     TORNADO          ROBARDS                 37.69N 87.56W
08/17/2014                   HENDERSON          KY   NWS STORM SURVEY

            CONFIRMED BY NWS STORM DAMAGE SURVEY. EF0-1 WITH PEAK
            WIND 90 MPH. PATH LENGTH 2 MILES. PATH WIDTH 60 YARDS.
            BEGIN 3.5 NE ROBARDS AND END 3.75 MILES ENE ROBARDS.
            DAMAGE TO 3 HOMES AND A MOBILE HOME. NUMEROUS LARGE TREE
            LIMBS BROKEN WITH A COUPLE TREES UPROOTED. CONVERGET
            DAMAGE PATH IN CORN FIELD.

&&

SMITTY
Local storm report, Aug 19, 2:49 PM CDT, 33 minutes before
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Local storm report, Aug 19, 3:18 PM CDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 3:53 AM CDTDense Fog AdvisoryPAHBallard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more5 hr
Aug 19, 4:30 PM CDTSpecial Weather StatementPAHMcCracken30 min
Aug 19, 4:40 PM CDTSevere Thunderstorm WarningPAHMcCracken14 min
Aug 19, 3:15 PM CDTAreal Flood AdvisoryPAHAlexander, Union2 hr
Aug 19, 2:26 PM CDTSevere Thunderstorm WarningPAHBollinger38 min
Aug 19, 2:49 PM CDTSevere Thunderstorm WarningPAHCape Girardeau41 min
Aug 19, 5:41 PM CDTSpecial Weather StatementPAHScott34 min
Aug 19, 5:50 PM CDTSevere Thunderstorm WarningPAHScott, Stoddard25 min
Aug 19, 6:15 PM CDTSpecial Weather StatementPAHMississippi30 min
Aug 19, 6:37 PM CDTSpecial Weather StatementPAHNew Madrid23 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2014Severe Thunderstorm Warnings in Missouri, 2014Every severe thunderstorm warning in 2014

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.