Alert archive / Kentucky / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 128, NWS Jackson, KY

August 2, 2007Floyd County, Pike County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Aug 2, 2007, 3:41 PM EDT for Floyd County, Pike 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
Aug 2, 2007, 3:41 PM EDT (19:41 UTC)
Expired
Aug 2, 2007, 4:19 PM EDT
In force
38 min
Issued by
NWS Jackson, KY
Area
Counties, with a storm outline in the text

Counties Floyd County, KY, Pike County, KY

The radar

The Jackson,KY radar (KJKL), 66 km from the middle of the area, began a volume at 19:43 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.7 hours before the alert went out and 286 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2007-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2007-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
14 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1492 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
-52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Aug 2, 1:45 PM EDT, 1 hour 56 minutes earlier.

Area forecast discussion, Aug 2, 1:45 PM EDT, 1 hour 56 minutes before
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Hazardous weather outlook, Aug 2, 10:36 AM EDT, 5 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
1036 AM EDT THU AUG 2 2007

KYZ044-050>052-058>060-068-069-104-106>109-111-112-114-119-031200-
FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-
JACKSON-ELLIOTT-MORGAN-JOHNSON-WOLFE-MAGOFFIN-LEE-BREATHITT-OWSLEY-
MARTIN-
1036 AM EDT THU AUG 2 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TODAY AND TONIGHT.

AREAS OF VALLEY FOG ARE EXPECTED LATE TONIGHT. SOME OF THE FOG MAY
BE LOCALLY DENSE...ESPECIALLY NEAR BODIES OF WATER...REDUCING
VISIBILITIES TO A QUARTER OF A MILE AT TIMES.

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

AREAS OF VALLEY FOG ARE EXPECTED DURING THE OVERNIGHT AND EARLY
MORNING HOURS. SOME OF THE FOG MAY BE LOCALLY DENSE...ESPECIALLY
NEAR BODIES OF WATER.

ISOLATED THUNDERSTORMS ARE EXPECTED DURING THE HEAT OF THE DAY
FRIDAY...SOUTH OF INTERSTATE 64. THERE IS ALSO A SLIGHT CHANCE OF
THUNDERSTORMS SUNDAY THROUGH TUESDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

KYZ079-080-083>088-110-113-115>118-120-031200-
PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-FLOYD-KNOTT-
PERRY-CLAY-LESLIE-LETCHER-PIKE-
1036 AM EDT THU AUG 2 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TODAY AND TONIGHT.

ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. ANY THUNDERSTORM
THAT DEVELOPS HAS THE POTENTIAL TO PRODUCE GUSTY WINDS AND LOCALLY
HEAVY RAIN.

AREAS OF VALLEY FOG ARE EXPECTED LATE TONIGHT. SOME OF THE FOG MAY
BE LOCALLY DENSE...ESPECIALLY NEAR BODIES OF WATER...REDUCING
VISIBILITIES TO A QUARTER OF A MILE AT TIMES.

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

AREAS OF VALLEY FOG ARE EXPECTED DURING THE OVERNIGHT AND EARLY
MORNING HOURS. SOME OF THE FOG MAY BE LOCALLY DENSE...ESPECIALLY
NEAR BODIES OF WATER.

ISOLATED THUNDERSTORMS ARE EXPECTED DURING THE AFTERNOON HOURS ON
FRIDAY AND SATURDAY. THERE IS ALSO A SLIGHT CHANCE OF THUNDERSTORMS
SUNDAY THROUGH TUESDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

WJM/JP

In the hours before

Special weather statement, Aug 2, 1:12 PM EDT, 2 hours 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
112 PM EDT THU AUG 2 2007

KYZ079-021745-
PULASKI-
112 PM EDT THU AUG 2 2007

...A STRONG THUNDERSTORM TO AFFECT NORTHERN PULASKI COUNTY THROUGH
145 PM EDT THURSDAY AFTERNOON...

AT 112 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR SCIENCE
HILL...MOVING NORTHEAST AT 10 MPH.

THIS STORM WILL BE NEAR DABNEY AROUND 120 PM EDT...BOBTOWN AROUND 130
PM EDT...VALLEY OAK AROUND 135 PM EDT...WOODSTOCK AROUND 140 PM
EDT...AND BANDY AROUND 145 PM EDT...

RESIDENTS SHOULD EXPECT VERY HEAVY RAIN...WITH RAINFALL RATES OF UP
TO ONE AND ONE HALF INCHES PER HOUR...GUSTY WINDS OF 40 TO 50
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.

PELTON
Special weather statement, Aug 2, 2:25 PM EDT, 1 hour 16 minutes before
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Special weather statement, Aug 2, 3:32 PM EDT, 9 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 2:38 PM EDTSevere Thunderstorm WarningJKLFloyd37 min
Aug 2, 3:37 PM EDTSevere Thunderstorm WarningJKLFloyd, Knott29 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2007Every 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.