Alert archive / Kentucky / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 123, NWS Jackson, KY

July 26, 2007Martin County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jul 26, 2007, 7:33 PM EDT for Martin County, Kentucky. It was in force for 42 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 26, 2007, 7:33 PM EDT (23:33 UTC)
Expired: Jul 26, 2007, 8:15 PM EDT
In force: 42 min
Issued by: NWS Jackson, KY
Area: Counties, with a storm outline in the text

County Martin County, KY

The radar

The Jackson,KY radar (KJKL), 74 km from the middle of the area, began a volume at 23:35 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, 11.6 hours before the alert went out and 213 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 588 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 655 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

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 Jackson, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 26, 7:25 PM EDT, 8 minutes earlier.

Area forecast discussion, Jul 26, 7:25 PM EDT, 8 minutes before

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Hazardous weather outlook, Jul 26, 4:08 PM EDT, 3 hours 25 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
408 PM EDT THU JUL 26 2007

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-272315-
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-
408 PM EDT THU JUL 26 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED. A FEW STORMS MAY PRODUCE LARGE
HAIL OR DAMAGING WINDS THIS EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THUNDERSTORMS WILL BE POSSIBLE FROM FRIDAY THROUGH SUNDAY NIGHT.
THERE IS A SLIGHT RISK FOR SEVERE STORMS FRIDAY NIGHT AND SATURDAY
MORNING... WITH DAMAGING WINDS AND LARGE HAIL BEING THE PRIMARY
THREATS. THERE WILL ALSO BE THE POTENTIAL FOR LOCALIZED FLOODING ON
SATURDAY... ESPECIALLY FOR AREAS THAT HAVE ALREADY RECEIVED HEAVY
RAINFALL OVER THE PAST FEW DAYS... OR WHERE STORMS MOVE REPEATEDLY
OVER THE SAME AREAS FRIDAY AFTERNOON AND FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CALL IN REPORTS OF HAIL... DAMAGING
WIND... OR FLOODING TO THE NATIONAL WEATHER SERVICE OFFICE IN
JACKSON.

DUSTY

In the hours before

Local storm report, Jul 26, 6:12 PM EDT, 1 hour 21 minutes before

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Local storm report, Jul 26, 6:20 PM EDT, 1 hour 13 minutes before

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Local storm report, Jul 26, 6:36 PM EDT, 57 minutes before

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Local storm report, Jul 26, 6:40 PM EDT, 53 minutes before

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Local storm report, Jul 26, 6:43 PM EDT, 50 minutes before

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Local storm report, Jul 26, 7:18 PM EDT, 15 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 3:53 PM EDT	Severe Thunderstorm Warning	JKL	Bath	52 min
Jul 26, 4:51 PM EDT	Severe Thunderstorm Warning	JKL	Bath	39 min
Jul 26, 5:01 PM EDT	Severe Thunderstorm Warning	JKL	Rowan	44 min
Jul 26, 5:36 PM EDT	Severe Thunderstorm Warning	JKL	Rowan	39 min
Jul 26, 5:50 PM EDT	Severe Thunderstorm Warning	JKL	Floyd	25 min
Jul 26, 6:03 PM EDT	Severe Thunderstorm Warning	JKL	Morgan	42 min
Jul 26, 6:12 PM EDT	Severe Thunderstorm Warning	JKL	Floyd	33 min
Jul 26, 6:15 PM EDT	Severe Thunderstorm Warning	JKL	Elliott	36 min
Jul 26, 6:23 PM EDT	Severe Thunderstorm Warning	JKL	Johnson, Martin	52 min
Jul 26, 6:47 PM EDT	Severe Thunderstorm Warning	JKL	Magoffin, Morgan	43 min
Jul 26, 6:52 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Pike	53 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2007 Every severe thunderstorm warning in 2007

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.