Alert archive / Kentucky / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 272, NWS Paducah, KY
NWS Paducah, KY issued this severe thunderstorm warning at Jun 18, 2011, 5:45 AM CDT for Union County, Webster County, Kentucky. It was in force for 17 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
- Jun 18, 2011, 5:45 AM CDT (10:45 UTC)
- Expired
- Jun 18, 2011, 6:02 AM CDT
- In force
- 17 min
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Union County, KY, Webster County, KY
The radar
The Evansville,IN radar (KVWX), 75 km from the middle of the area, began a volume at 10:48 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
Nashville Metro, TN (KBNA), launched 00:00Z, 10.8 hours before the alert went out and 195 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.
- Mixed-layer CAPE
- 545 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1276 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
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 18, 5:30 AM CDT, 15 minutes earlier.
Area forecast discussion, Jun 18, 5:30 AM CDT, 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PADUCAH KY 530 AM CDT SAT JUN 18 2011 .DISCUSSION... DELAYED DISCUSSION THIS MORNING DUE TO ACTIVE WEATHER. MAIN CHALLENGE FOR THE NEXT 48 HOURS WILL BE DEFINING THE SPATIAL AND TEMPORAL ASPECTS OF THE TRAIN OF MCS /MESOSCALE CONVECTIVE SYSTEMS/ MOVING ALONG THE MEAN FRONTAL BOUNDARIES ORIENTED OVER THE WFO PAH FORECAST AREA. THE 00Z AND 06Z SATURDAY DETERMINISTIC GFS AND 21Z FRIDAY/03Z SATURDAY SREF GUIDANCE HAVE A GENERALIZED SOLUTION ON THE ORIENTATION/TIMING OF THESE SYSTEMS AND WAS UTILIZED IN MODIFYING THE POP/WX/QPF FORECAST FOR TODAY AND TONIGHT. THERE REMAINS SOME UNCERTAINTY AS TO THE EFFECTIVE FRONTAL BOUNDARY ZONE /DUE TO RAIN INDUCED COLD POOLS/ OVER THE NORTHERN 1/3 OF THE WFO PAH FORECAST AREA FOR SUNDAY. AT THIS TIME...THE FORECAST IS DIRECTED TOWARD MORE CAPPING OF THE ATMOSPHERE FOR MOST OF THE WFO PAH FORECAST AREA...WITH THE POSSIBLE EXCEPTION OF THE INTERSTATE 64 CORRIDOR IN SOUTHERN IL AND SOUTHWEST IN. THIS IS SOMEWHAT AT ODDS WITH THE SPC DAY TWO OUTLOOK...BUT THIS JUST MAY BE A MATTER OF TIMING...DEPENDING ON THE POSITION OF THE EXPECTED OVERNIGHT MCS INTO SUNDAY MORNING. ADJUSTED TEMPERATURES DOWNWARD TODAY TO REFLECT THE INFLUENCE OF CLOUD COVER AND ANY EXPECTED PRECIPITATION DURING THE MORNING...WITH SOME CLEARING EXPECTED DURING THE AFTERNOON HOURS. OTHERWISE A DEFAULT 20-22 DEGREE DIURNAL RANGE OF TEMPERATURES CAN BE EXPECTED EARLY IN THE WEEK AS THE UPPER RIDGE BUILDS IN AND INCREASES THICKNESSES OVER THE AREA. && .AVIATION... VFR CONDITIONS WILL LIKELY DOMINATE OUTSIDE OF THE MCS /MESOSCALE CONVECTIVE SYSTEMS/ THAT WILL PUSH ACROSS THE WFO PAH TAF SITES. HOWEVER...A 1-3 HOUR PERIOD OF MVFR/HIGH IFR CEILINGS AND VISIBILITIES WILL BE POSSIBLE WITH THE PASSAGE OF THUNDERSTORM CLUSTERS TODAY AND TONIGHT. && .PAH WATCHES/WARNINGS/ADVISORIES... KY...NONE. MO...NONE. IL...NONE. IN...NONE. && AVIATION/FIRE WEATHER...CTN/SMITH SHORT/LONG TERM PUBLIC...SMITH
Hazardous weather outlook, Jun 18, 5:14 AM CDT, 31 minutes before
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Local storm report, Jun 18, 3:17 AM CDT, 2 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
317 AM CDT SAT JUN 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0257 AM HAIL STENDAL 38.29N 87.13W
06/18/2011 M0.75 INCH PIKE IN TRAINED SPOTTER
&&
K SMITHLocal storm report, Jun 18, 3:34 AM CDT, 2 hours 11 minutes before
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</html>Special weather statement, Jun 18, 3:40 AM CDT, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 340 AM CDT SAT JUN 18 2011 ILZ077-078-083-INZ081-082-085>088-180945- EDWARDS-WABASH-WHITE-GIBSON-PIKE-POSEY-VANDERBURGH-WARRICK- SPENCER- INCLUDING THE CITIES OF...ALBION...MOUNT CARMEL...CARMI... FORT BRANCH...PETERSBURG...POSEYVILLE...EVANSVILLE...BOONVILLE... ROCKPORT 340 AM CDT SAT JUN 18 2011 ...STRONG OUTFLOW WINDS POSSIBLE ACROSS SOUTHWEST INDIANA AND SOUTHEAST ILLINOIS... AT 338 AM...RADAR SHOWED A LINE OF STRONG TO SEVERE STORMS FROM WABASH COUNTY IN SOUTHEAST ILLINOIS INTO GIBSON AND PIKE COUNTIES IN SOUTHWEST INDIANA...MOVING SOUTHEAST AT 30 MPH. THE STORMS HAVE PRODUCED OUTFLOW WINDS...OBSERVED PUSHING SOUTH ACROSS SOUTHWEST INDIANA. THE WINDS FROM THE NORTH COULD REACH 35 TO 50 MPH AS THEY PUSH SOUTH OF THE STORMS...INTO POSEY... VANDERBURGH...WARRICK AND SPENCER COUNTIES.
Special weather statement, Jun 18, 4:18 AM CDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 418 AM CDT SAT JUN 18 2011 ILZ075>078-080>083-086-087-INZ081-082-085>088-KYZ014-018-019- 181130- JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON- WHITE-SALINE-GALLATIN-GIBSON-PIKE-POSEY-VANDERBURGH-WARRICK- SPENCER-UNION KY-HENDERSON-DAVIESS- INCLUDING THE CITIES OF...MOUNT VERNON...FAIRFIELD...ALBION... MOUNT CARMEL...PINCKNEYVILLE...WEST FRANKFORT...MCLEANSBORO... CARMI...HARRISBURG...SHAWNEETOWN...FORT BRANCH...PETERSBURG... POSEYVILLE...EVANSVILLE...BOONVILLE...ROCKPORT...MORGANFIELD... HENDERSON...OWENSBORO 418 AM CDT SAT JUN 18 2011 ...STRONG STORMS SOUTHERN ILLINOIS...SOUTHWEST INDIANA AND NORTHWEST KENTUCKY EARLY THIS MORNING... AT 415 AM...RADAR SHOWED STRONG THUNDERSTORMS ALONG AND NORTH OF INTERSTATE 64 OVER SOUTHERN ILLINOIS AND SOUTHWEST INDIANA MOVING SOUTH TO SOUTHEAST AROUND 30 MPH WITH INDIVIDUAL CELLS TENDING MORE TOWARD THE EAST. THROUGH THE EARLY DAYLIGHT HOURS...AREAS FROM MOUNT VERNON AND MCLEANSBORO IN SOUTHERN ILLINOIS...ACROSS MOST OF SOUTHWEST INDIANA...TO NEAR OWENSBORO KENTUCKY CAN EXPECT STRONG THUNDERSTORMS CAPABLE OF VERY HEAVY RAINFALL...FREQUENT DANGEROUS LIGHTNING... BRIEF GUSTY WINDS UP TO 40 MPH AND POSSIBLY HAIL. BE ALERT FOR STANDING WATER IN LOW LYING AND POOR DRAINAGE AREAS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 1:09 AM CDT | Severe Thunderstorm Warning | PAH | Wabash | 27 min |
| Jun 18, 3:22 AM CDT | Severe Thunderstorm Warning | PAH | Wabash | 46 min |
| Jun 18, 7:01 AM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 44 min |
| Jun 18, 7:17 AM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 43 min |
| Jun 18, 7:24 AM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union | 36 min |
| Jun 18, 7:56 AM CDT | Severe Thunderstorm Warning | PAH | Alexander, Jackson, Union, Williamson | 49 min |
| Jun 18, 10:03 AM CDT | River Flood Warning | PAH | Wayne, White | 47 hr |
| Jun 18, 10:59 AM CDT | River Flood Warning | PAH | Franklin, Williamson | 34 hr |
| Jun 18, 10:59 AM CDT | River Flood Warning | PAH | Jackson | 30 days |
| Jun 18, 8:30 AM CDT | Severe Thunderstorm Warning | PAH | Bollinger, Scott, Stoddard | 45 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2011Every severe thunderstorm warning in 2011
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.