Alert archive / Kentucky / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 70, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at May 15, 2009, 1:37 PM EDT for McCreary County, Pulaski County, Wayne County, Kentucky. 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
- May 15, 2009, 1:37 PM EDT (17:37 UTC)
- Expired
- May 15, 2009, 2:15 PM EDT
- In force
- 38 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
Counties McCreary County, KY, Pulaski County, KY, Wayne County, KY
The radar
The Knoxville radar (KMRX), 135 km from the middle of the area, began a volume at 17:40 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 12:00Z, 5.6 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
- 1735 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 673 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 May 15, 10:09 AM EDT, 3 hours 28 minutes earlier.
Area forecast discussion, May 15, 10:09 AM EDT, 3 hours 28 minutes before
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</html>Hazardous weather outlook, May 15, 6:46 AM EDT, 6 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON KY 646 AM EDT FRI MAY 15 2009 KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-161100- 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- 646 AM EDT FRI MAY 15 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY. .DAY ONE...TODAY AND TONIGHT. THUNDERSTORMS WILL BE POSSIBLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THUNDERSTORMS WILL BE POSSIBLE SATURDAY AND SATURDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. HAL
In the hours before
Special weather statement, May 15, 1:27 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON KY 127 PM EDT FRI MAY 15 2009 KYZ083-084-151800- WAYNE-MCCREARY- 127 PM EDT FRI MAY 15 2009 ...A CLUSTER OF STRONG THUNDERSTORMS TO AFFECT WAYNE AND SOUTHERN MCCREARY COUNTIES THROUGH 200 PM EDT FRIDAY AFTERNOON... AT 126 PM EDT...A CLUSTER OF STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM PARNELL TO ROCKEYBRANCH TO 5 MILES SOUTHWEST OF BLUE HERON...MOVING EAST AT 15 MPH. THE STORMS WILL BE NEAR BARRIER AROUND 135 PM EDT...COOPERSVILLE AROUND 140 PM EDT...CO-OPERATIVE AROUND 145 PM EDT...SLAVENS AROUND 150 PM EDT...BLUE HERON AROUND 155 PM EDT... RESIDENTS SHOULD EXPECT HEAVY RAIN...WITH RAINFALL RATES OF UP TO ONE INCH PER HOUR...GUSTY WINDS OF 30 TO 40 MPH...FREQUENT LIGHTNING AND SMALL HAIL IN THESE AREAS. JJ
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 4:12 PM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Clay, Estill, Jackson, Lee, Owsley | 48 min |
| May 15, 4:17 PM EDT | Areal Flood Advisory | JKL | Clay, Estill, Jackson, Laurel, Lee, Owsley and 1 more | 3 hr |
| May 15, 4:27 PM EDT | Severe Thunderstorm Warning | JKL | Estill, Jackson, Powell | 48 min |
| May 15, 4:43 PM EDT | Flash Flood Warning | JKL | Estill, Jackson | 92 min |
| May 15, 4:59 PM EDT | Severe Thunderstorm Warning | JKL | Estill, Lee, Menifee, Powell, Wolfe | 31 min |
| May 15, 5:41 PM EDT | Areal Flood Advisory | JKL | Breathitt, Lee, Magoffin, Morgan | 2 hr |
| May 15, 5:51 PM EDT | Areal Flood Advisory | JKL | Bath, Montgomery | 114 min |
| May 15, 6:49 PM EDT | Severe Thunderstorm Warning | JKL | Floyd, Pike | 41 min |
| May 15, 6:59 PM EDT | Areal Flood Advisory | JKL | Floyd, Pike | 2 hr |
Nearby
Severe Thunderstorm Warnings in Kentucky, 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.