Alert archive / Ohio / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 213, NWS Charleston, WV

July 8, 2008Perry County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 8, 2008, 6:30 PM EDT for Perry County, Ohio. It was in force for 60 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 8, 2008, 6:30 PM EDT (22:30 UTC)
Expired
Jul 8, 2008, 7:30 PM EDT
In force
60 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

County Perry County, OH

The radar

The Cincinnati radar (KILN), 140 km from the middle of the area, began a volume at 22:33 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, 10.5 hours before the alert went out and 138 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, Cncnati-Daytn, OH at 12:00Z on 2008-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 722 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, Cncnati-Daytn, OH at 12:00Z on 2008-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
722 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Charleston, WV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 3:56 PM EDT, 2 hours 34 minutes earlier.

Area forecast discussion, Jul 8, 3:56 PM EDT, 2 hours 34 minutes before
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Hazardous weather outlook, Jul 8, 4:36 AM EDT, 13 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
436 AM EDT TUE JUL 8 2008

KYZ101>103-105-OHZ083-085>087-VAZ003-004-WVZ005>011-013>020-024>040-
046-047-090845-
GREENUP-CARTER-BOYD-LAWRENCE KY-JACKSON OH-MEIGS-GALLIA-LAWRENCE OH-
DICKENSON-BUCHANAN-WAYNE-CABELL-MASON-JACKSON WV-WOOD-PLEASANTS-
TYLER-LINCOLN-PUTNAM-KANAWHA-ROANE-WIRT-CALHOUN-RITCHIE-DODDRIDGE-
MINGO-LOGAN-BOONE-CLAY-BRAXTON-GILMER-LEWIS-HARRISON-TAYLOR-MCDOWELL-
WYOMING-RALEIGH-FAYETTE-NICHOLAS-WEBSTER-UPSHUR-BARBOUR-POCAHONTAS-
RANDOLPH-
436 AM EDT TUE JUL 8 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST
KENTUCKY...SOUTHEAST OHIO...SOUTHWEST VIRGINIA AND WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

REPETITIVE SHOWERS ARE POSSIBLE TONIGHT INTO WEDNESDAY AFTERNOON.
SINCE THE GROUND IS WETTER THAN NORMAL IN SEVERAL COUNTIES...THE
THREAT FOR SMALL STREAM FLOODING EXITS.

IF THAT THREAT INCREASES...A FLASH FLOOD WATCH WOULD BE POSTED
FOR THE MOST VULNERABLE COUNTIES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE POSSIBILITY OF REPETITIVE SHOWERS CONTINUES ON WEDNESDAY.
SINCE THE GROUND IS WETTER THAN NORMAL IN SEVERAL COUNTIES...THE
THREAT FOR SMALL STREAM FLOODING EXITS.

IF THAT THREAT INCREASES...A FLASH FLOOD WATCH WOULD BE POSTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

OHZ066-067-075-076-084-090845-
PERRY-MORGAN-ATHENS-WASHINGTON-VINTON-
436 AM EDT TUE JUL 8 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OHIO.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON
OR TONIGHT.

REPETITIVE SHOWERS ARE POSSIBLE TONIGHT INTO WEDNESDAY. SINCE THE
GROUND IS WETTER THAN NORMAL...THE THREAT FOR SMALL STREAM
FLOODING EXITS. IF THAT THREAT INCREASES...A FLASH FLOOD WATCH
WOULD BE POSTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE POSSIBILITY OF REPETITIVE SHOWERS CONTINUES INTO WEDNESDAY.
SINCE THE GROUND IS WETTER THAN NORMAL...THE THREAT FOR SMALL
STREAM FLOODING EXITS. IF THAT THREAT INCREASES...A FLASH FLOOD
WATCH WOULD BE POSTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

KTB

In the hours before

Local storm report, Jul 8, 4:19 PM EDT, 2 hours 11 minutes before
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Local storm report, Jul 8, 4:50 PM EDT, 1 hour 40 minutes before
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Special weather statement, Jul 8, 5:03 PM EDT, 1 hour 27 minutes before
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Local storm report, Jul 8, 5:17 PM EDT, 1 hour 13 minutes before
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Special weather statement, Jul 8, 5:32 PM EDT, 58 minutes before
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Special weather statement, Jul 8, 5:52 PM EDT, 38 minutes before
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The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 3:35 PM EDTSevere Thunderstorm WarningRLXWood25 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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.