Alert archive / Kentucky / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 239, NWS Paducah, KY
NWS Paducah, KY issued this severe thunderstorm warning at Jul 15, 2009, 6:06 PM CDT for Carlisle County, Kentucky; Mississippi County, Missouri. It was in force for 39 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
- Jul 15, 2009, 6:06 PM CDT (23:06 UTC)
- Expired
- Jul 15, 2009, 6:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
Counties Carlisle County, KY, Mississippi County, MO
The radar
The Paducah radar (KPAH), 41 km from the middle of the area, began a volume at 23:09 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 |
|---|---|---|---|
| Jul 15, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.1 hours before the alert went out and 235 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
- 1320 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 1142 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 15, 3:25 PM CDT, 2 hours 41 minutes earlier.
Area forecast discussion, Jul 15, 3:25 PM CDT, 2 hours 41 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PADUCAH KY 325 PM CDT WED JUL 15 2009 .DISCUSSION... MAIN CONCERN THE NEXT 36 TO 48 HOURS IS POTENTIAL FOR SHOWERS AND THUNDERSTORMS. COLD FRONT STILL LOCATED WELL NORTH OF THE FORECAST AREA AS OF MID AFTERNOON WEDNESDAY. CONVECTION OF OVERNIGHT ORIGINATION PUSHED ACROSS THE NORTHERN HALF OF THE REGION THIS MORNING. COMBINED WITH LINGERING DEBRIS CLOUDINESS...THIS HAS HELPED TO KEEP THE NORTHERN HALF OF THE REGION RELATIVELY STABLE. THE SOUTHERN HALF...HOWEVER...IS A DIFFERENT STORY WITH LAPS SBCAPE OF 3000-4500 J/KG OVER SOUTHERN MISSOURI. THUNDERSTORMS HAVE DEVELOPED IN THE INSTABILITY AXIS OVER SOUTH-CENTRAL MISSOURI...AND SHOULD CONTINUE TO PROGRESS EAST-SOUTHEASTWARD DURING THE LATE AFTERNOON AND EARLY EVENING HOURS. THIS AREA IS IN A SLIGHT RISK FOR SEVERE WEATHER AS OUTLINED BY SPC/S DAY 1 OUTLOOK. LOCALLY DAMAGING WINDS AND ISOLATED LARGE HAIL WILL BE POSSIBLE...AND HEAVY RAIN COULD LEAD TO LOCALIZED FLOODING. MODELS SUGGEST THE POTENTIAL FOR A BREAK IN THE ACTIVITY LATER THIS EVENING. OVERNIGHT...MORE CONVECTION MAY FIRE ON THE NOSE OF A LOW-LEVEL JET OVER THE MISSOURI OZARKS. THIS CONVECTION WOULD MOST LIKELY INFLUENCE THE REGION LATE TONIGHT INTO THURSDAY MORNING... OVER MAINLY SOUTHERN AND WESTERN COUNTIES. WE MAINTAIN THE CHANCE FOR SHOWERS AND THUNDERSTORMS UNTIL THE COLD FRONT COMPLETELY PASSES TO THE SOUTH OF THE AREA...WHICH WOULD COVER THROUGH THURSDAY NIGHT...WITH EVEN A SLIGHT CHANCE OVER SOUTHERN COUNTIES ON FRIDAY. THEREAFTER...AMPLIFYING UPPER-LEVEL FLOW PATTERN WILL CARVE OUT A TROUGH OVER THE EASTERN PART OF THE NATION...PLACING THE IMMEDIATE AREA IN NORTHWEST FLOW. AS A RESULT...DRY AND UNSEASONABLY COOL WEATHER IS ANTICIPATED OVER THE WEEKEND AND INTO THE FIRST PART OF NEXT WEEK. OVER THE WEEKEND...TEMPERATURES MAY BE AS MUCH AS 10 DEGREES BELOW NORMAL...WITH LOWS IN THE 50S AND HIGHS IN THE UPPER 70S TO LOWER 80S. && AVIATION... VFR CONDITIONS ARE EXPECTED TO PREVAIL OUTSIDE OF CONVECTION THROUGH TONIGHT. BEST POTENTIAL FOR CONVECTION WILL BE AT KCGI AND KPAH EARLY THIS EVENING. CONVECTION MAY ALSO OCCUR LATE TONIGHT INTO EARLY THURSDAY...BUT CONFIDENCE IS NOT AS GREAT WITH THE SECOND ROUND. THERE IS SOME POTENTIAL FOR MVFR FOG TO DEVELOP LATE TONIGHT. THIS WILL BE MOST LIKELY IN AREAS THAT RECEIVE SIGNIFICANT RAINFALL TODAY AND TONIGHT. && .PAH WATCHES/WARNINGS/ADVISORIES... KY...NONE. MO...NONE. IL...NONE. IN...NONE. && RJP
Hazardous weather outlook, Jul 15, 11:39 AM CDT, 6 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PADUCAH KY 1139 AM CDT WED JUL 15 2009 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-161645- 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- 1139 AM CDT WED JUL 15 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST MISSOURI. .DAY ONE...THIS AFTERNOON AND TONIGHT TODAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS GENERALLY SOUTH OF A LINE FROM PERRYVILLE MISSOURI TO METROPOLIS ILLINOIS TO GREENVILLE KENTUCKY. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS THE ENTIRE QUAD STATE REGION TODAY...MAINLY DURING THE AFTERNOON AND EVENING HOURS. THE MAIN HAZARD WITH ANY SEVERE THUNDERSTORMS WILL BE DAMAGING WINDS...ALTHOUGH LARGE HAIL AND HEAVY DOWNPOURS ARE ALSO POSSIBLE. MINOR FLOODING IS OCCURRING ALONG THE BIG MUDDY RIVER NEAR MURPHYSBORO ILLINOIS. PLEASE SEE THE LATEST FLOOD STATEMENT FOR MORE DETAILS .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THURSDAY AFTERNOON INTO EARLY THURSDAY EVENING ACROSS WEST KENTUCKY...SOUTHEAST MISSOURI...AND AREAS OF SOUTHERN ILLINOIS AND SOUTHWEST INDIANA SOUTHEAST OF A LINE FROM CARBONDALE ILLINOIS...TO ELDORADO...TO MOUNT VERNON INDIANA...TO DALE. THE MAIN HAZARD WITH ANY SEVERE THUNDERSTORMS WILL AGAIN BE DAMAGING WINDS...BUT LARGE HAIL AND HEAVY DOWNPOURS WILL ALSO BE POSSIBLE. THUNDERSTORMS WILL BE POSSIBLE LATE THURSDAY NIGHT INTO FRIDAY...ESPECIALLY ACROSS THE SOUTHERN THIRD OF THE QUAD STATE. SEVERE STORMS ARE NOT EXPECTED AT THIS TIME. MINOR RIVER FLOODING IS EXPECTED TO CONTINUE ALONG THE BIG MUDDY NEAR MURPHYSBORO ILLINOIS UNTIL FRIDAY. PLEASE SEE THE LATEST FLOOD STATEMENT FOR MORE DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TODAY INTO THIS EVENING...AND AGAIN THURSDAY AFTERNOON AND EARLY THURSDAY EVENING.
In the hours before
Special weather statement, Jul 15, 4:41 PM CDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 441 PM CDT WED JUL 15 2009 MOZ100-109-152245- WAYNE MO-BUTLER MO- 441 PM CDT WED JUL 15 2009 ...SIGNIFICANT WEATHER ADVISORY... AT 437 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS WITH PEA TO MARBLE SIZE HAIL...AND VERY STRONG WINDS 40 TO 50 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTH OF WILLIAMSVILLE TO BRUSH ARBOR TO 8 MILES SOUTHWEST OF BRUSH ARBOR...MOVING EAST AT 30 MPH. THE STORMS WILL TRACK ACROSS THE SOUTHERN HALF OF WAYNE COUNTY AND NORTHERN HALF OF BUTLER COUNTY IN SOUTHEAST MISSOURI THROUGH 530 PM. CONTINUE TO MONITOR NOAA WEATHER RADIO OR LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 15, 5:12 PM CDT, 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 512 PM CDT WED JUL 15 2009 MOZ086-087-100-109>112-114-160000- BOLLINGER-CAPE GIRARDEAU-WAYNE MO-BUTLER-STODDARD-SCOTT- MISSISSIPPI-NEW MADRID- INCLUDING THE CITIES OF...MARBLE HILL...CAPE GIRARDEAU... PIEDMONT...POPLAR BLUFF...BLOOMFIELD...SIKESTON...CHARLESTON... NEW MADRID 512 PM CDT WED JUL 15 2009 ...SIGNIFICANT WEATHER ADVISORY... A BAND OF STRONG THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS SOUTHEAST MISSOURI THROUGH EARLY EVENING. AT 510 PM CDT...THE LEADING EDGE OF THE STRONG STORMS WAS FROM NEAR GREENVILLE MISSOURI...TO POPLAR BLUFF TO 5 MILES EAST OF DONIPHAN. THE ACTIVITY WAS MOVING EAST AT AROUND 30 MPH. THE STRONG STORMS WILL BE CAPABLE OF WINDS 40 TO 50 MPH...SMALL HAIL AND VERY HEAVY RAIN. THE STORMS WILL CONTINUE ACROSS WAYNE AND BUTLER COUNTIES...AND EVENTUALLY AFFECT STODDARD...NEW MADRID...SCOTT AND MISSISSIPPI COUNTIES THROUGH 700 PM. CONTINUE TO MONITOR NOAA WEATHER RADIO OR LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ALL OF SOUTHEAST MISSOURI REMAINS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 9 PM.
The office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 6:38 PM CDT | Severe Thunderstorm Warning | PAH | Fulton, Hickman | 52 min |
| Jul 15, 5:06 PM CDT | Severe Thunderstorm Warning | PAH | Cape Girardeau, Perry | 39 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2009Severe Thunderstorm Warnings in Missouri, 2009Every severe thunderstorm warning in 2009
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.