Alert archive / Kentucky / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 91, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Jun 1, 2008, 7:20 PM EDT for Perry County, Kentucky. It was in force for 25 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 1, 2008, 7:20 PM EDT (23:20 UTC)
- Expired
- Jun 1, 2008, 7:45 PM EDT
- In force
- 25 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
County Perry County, KY
The radar
The Jackson,KY radar (KJKL), 39 km from the middle of the area, began a volume at 23:21 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.3 hours before the alert went out and 248 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
- 146 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1527 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 Jackson, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 3:00 PM EDT, 4 hours 20 minutes earlier.
Area forecast discussion, Jun 1, 3:00 PM EDT, 4 hours 20 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSON KY 300 PM EDT SUN JUN 1 2008 .SHORT TERM.../TONIGHT THROUGH WEDNESDAY NIGHT/...UPDATED DIFFUSE COLD FRONT ALIGNED FROM WEST VIRGINIA THROUGH NORTHERN KENTUCKY AND SOUTHERN INDIANA HAS BEEN SLOW TO MOVE TODAY. ISOLATED STORMS CONTINUE TO FIRE WELL SOUTH OF THE COLD FRONT IN A MORE WEAKLY CAPPED ENVIRONMENT. SOME OF THESE HAVE PULSED HIGH ENOUGH TO LIKELY PRODUCE SMALL HAIL AND GUSTY WINDS. MEANWHILE BROKEN LINE OF CONVECTION ASSOCIATED WITH THE FRONT IS CURRENTLY ENCROACHING THE INTERSTATE 64 CORRIDOR. BETTER CORES HAVE BEEN IN WEST VIRGINIA WHERE BETTER MID-LEVEL COOL AIR AS WELL AS BETTER CONVERGENCE ALONG THE COLD FRONT EXISTS. EXPECT THIS FRONT TO CONTINUE TO SAG SOUTH ACROSS EASTERN KENTUCKY THROUGH TONIGHT...PROVIDING A FOCUS FOR AT LEAST ISOLATED SHOWER AND THUNDERSTORM ACTIVITY THROUGH MAINLY THE EVENING HOURS. A FEW CORES MAY APPROACH SEVERE LIMITS WITH HAIL IF THERE ARE ANY STORM INTERACTIONS HOWEVER CURRENT HWO HANDLING THINGS FINE WITH GENERALLY SMALL HAIL AND GUSTY WINDS EXPECTED WITH THE STRONGER CELLS. DECREASING CLOUDINESS LATER TONIGHT SHOULD ALLOW SOME FOG TO FORM ONCE AGAIN. THIS WILL BE LOCALLY DENSE IN ANY LOCATIONS THAT HAVE SEEN OR WILL SEE THUNDERSTORMS. WEAK AREA OF HIGH PRESSURE WILL ESTABLISH ITSELF ACROSS THE AREA DURING THE DAY ON MONDAY...KEEPING THINGS DRY AND WARM. MEANWHILE OUT IN THE PLAINS...LOW PRESSURE WILL BEGIN TO CONGEAL AND DEEPEN AS A TROUGH MOVES IN FROM THE PACIFIC NORTHWEST. A DEVELOPING WARM FRONT COULD BRING SOME ISOLATED TO SCATTERED THUNDERSTORM ACTIVITY TO THE AREA LATE MONDAY NIGHT INTO TUESDAY...HOWEVER MODELS HAVE CONTINUED TO ADVERTISE BETTER FORCING NORTH OF THE OHIO RIVER SO WILL NOT RAMP POPS UP ANY FURTHER FOR NOW. BY TUESDAY NIGHT AND WEDNESDAY...THE FRONTAL BOUNDARY WILL BECOME MORE SHEARED OUT...BUT LOOKS TO REMAIN WELL NORTH OF THE OHIO RIVER. MCS ACTIVITY WILL LIKELY BE PLENTIFUL IN THE OHIO VALLEY ONCE AGAIN...SO AREAS ALONG AND NORTH OF THE INTERSTATE 64 CORRIDOR WILL BE THE MOST SUSCEPTIBLE FOR ANY COLLATERAL DAMAGE FROM THESE. INSTABILITY AND WIND PROFILES BECOME MORE SUPPORTIVE OF SEVERE BY TUESDAY NIGHT AND WEDNESDAY...HOWEVER GIVEN THE UNCERTAINTY OF THE WHERE THE COMPLEXES WIND UP AS WELL AS ANY OTHER TRIGGERS...WILL NOT HIGHLIGHT THIS THREAT IN THE HWO JUST YET. BY WEDNESDAY NIGHT...RIDGING ALOFT WILL ENSUE AND SNUFF OUT ANY ISOLATED CONVECTION QUICKLY THROUGH THE NIGHT. .LONG TERM.../THURSDAY THROUGH SUNDAY/...UPDATED RIDGING AND SUMMER-LIKE TEMPERATURES WILL GENERALLY DOMINATE THROUGH THE REST OF THE WEEK. THE ONLY EXCEPTION WILL BE A WEAKENING COLD FRONT THAT WILL THREATEN THE AREA FROM LATE FRIDAY NIGHT THROUGH THE DAY ON SATURDAY. && .AVIATION.../12Z TO 12Z/ IFR TO MVFR FOG IN THE VALLEY LOCATIONS SHOULD QUICKLY IMPROVE AROUND 13Z OR 14Z...THOUGH WITH RH STILL RATHER HIGH SOME HZ MAY LINGER. OTHERWISE...AN ILL DEFINED COLD FRONT IS OVER THE REGION AND IT WILL COMBINE WITH DAYTIME HEATING AND WEAK UPPER LEVEL DISTURBANCES TO BRING SCATTERED SHRA/TSRA TODAY. HANDLED THIS WITH VFR CIGS WITH A CB CLOUD GROUP AND VCSH...THOUGH LOCALLY BRIEF IFR OR LOWER IS POSSIBLE UNDER ANY THUNDERSTORMS. && .JKL WATCHES/WARNINGS/ADVISORIES...NONE. && SHORT TERM...GEOGERIAN LONG TERM...GEOGERIAN AVIATION...HAL
Hazardous weather outlook, Jun 1, 4:39 PM EDT, 2 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON KY 439 PM EDT SUN JUN 1 2008 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-021100- FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE- JACKSON-PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN- ELLIOTT-MORGAN-JOHNSON-WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT- OWSLEY-PERRY-CLAY-LESLIE-LETCHER-MARTIN-PIKE- 439 PM EDT SUN JUN 1 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY. .DAY ONE...THIS AFTERNOON AND TONIGHT. THUNDERSTORMS ARE POSSIBLE...MAINLY THROUGH THIS EVENING. A FEW OF THESE MAY CONTAIN SMALL HAIL AND GUSTY WINDS. ADDITIONALLY...ANY THUNDERSTORM WILL PRODUCE LOCALLY HEAVY RAIN. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THUNDERSTORMS ARE POSSIBLE FROM LATE MONDAY NIGHT THROUGH WEDNESDAY NIGHT AND THEN AGAIN FROM FRIDAY NIGHT INTO SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT ANY INSTANCES OF HAIL OR GUSTY WINDS TONIGHT. ABE/GEOGERIAN
In the hours before
Special weather statement, Jun 1, 5:20 PM EDT, 2 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON KY 520 PM EDT SUN JUN 1 2008 KYZ108-112-012200- WOLFE-BREATHITT- 520 PM EDT SUN JUN 1 2008 ...A STRONG THUNDERSTORM TO AFFECT WOLFE AND NORTHEASTERN BREATHITT COUNTIES THROUGH 600 PM EDT SUNDAY EVENING... AT 520 PM EDT...A STRONG THUNDERSTORM WAS LOCATED JUST NORTHEAST OF CAMPTON...MOVING SOUTHEAST AT 27 MPH. THIS STORM WILL BE NEAR LANDSAW AROUND 525 PM EDT...LEXIE AROUND 530 PM EDT...UPPER GILMORE AROUND 535 PM EDT...ROSEFORK AROUND 540 PM EDT...SHOCKEY AROUND 545 PM EDT. RESIDENTS SHOULD EXPECT VERY HEAVY RAIN...WITH RAINFALL RATES BETWEEN ONE AND TWO INCHES PER HOUR...GUSTY WINDS OF UP TO 40 MPH...FREQUENT LIGHTNING AND SMALL HAIL IN THESE AREAS. DANGEROUS CLOUD TO GROUND LIGHTNING IS ASSOCIATED WITH THIS THUNDERSTORM. TAKE SHELTER IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER THEN LIGHTNING IS CLOSE ENOUGH TO BE A HAZARD. RAY
Special weather statement, Jun 1, 5:53 PM EDT, 1 hour 27 minutes before
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</html>Special weather statement, Jun 1, 6:13 PM EDT, 1 hour 7 minutes before
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</html>Local storm report, Jun 1, 6:47 PM EDT, 33 minutes before
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</html>The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 5:11 PM EDT | Areal Flood Advisory | JKL | Wayne | 6 hr |
| Jun 1, 5:46 PM EDT | Flash Flood Warning | JKL | Wayne | 3 hr |
| Jun 1, 6:05 PM EDT | Severe Thunderstorm Warning | JKL | Floyd, Magoffin, Pike | 55 min |
| Jun 1, 6:19 PM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Lee, Owsley | 56 min |
| Jun 1, 6:29 PM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Knott, Perry | 46 min |
| Jun 1, 6:55 PM EDT | Severe Thunderstorm Warning | JKL | Jackson, Lee, Owsley, Rockcastle | 58 min |
| Jun 1, 6:57 PM EDT | Severe Thunderstorm Warning | JKL | Floyd, Pike | 33 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.