Alert archive / Ohio / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 99, NWS Pittsburgh, PA

July 8, 20145 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 8, 2014, 1:26 PM EDT for 5 counties in Ohio. It was in force for 41 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, 2014, 1:26 PM EDT (17:26 UTC)
Expired: Jul 8, 2014, 2:07 PM EDT
In force: 41 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

Counties Belmont County, OH, Guernsey County, OH, Harrison County, OH, Muskingum County, OH, Noble County, OH

The radar

The Pittsburgh radar (KPBZ), 115 km from the middle of the area, began a volume at 17:28 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 8, 1:04 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 5.4 hours before the alert went out and 118 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: 96 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 909 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 205 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 Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 11:45 AM EDT, 1 hour 41 minutes earlier.

Area forecast discussion, Jul 8, 11:45 AM EDT, 1 hour 41 minutes before

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Hazardous weather outlook, Jul 8, 1:12 PM EDT, 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
112 PM EDT TUE JUL 8 2014

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029-031-073>076-WVZ001>004-012-021>023-041-091715-
GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-
JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-
FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-
ARMSTRONG-INDIANA-WASHINGTON-GREENE-WESTMORELAND-WESTMORELAND RIDGES-
FAYETTE-FAYETTE RIDGES-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-
MONONGALIA-PRESTON-TUCKER-
112 PM EDT TUE JUL 8 2014

...SEVERE THUNDERSTORM WATCH 403 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST
CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST
PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA
AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 8, 2:43 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Indiana, Jefferson, Westmoreland	62 min
Jul 8, 2:45 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Beaver, Butler, Clarion, Lawrence	60 min
Jul 8, 2:47 PM EDT	Tornado Warning	PBZ	Mercer, Venango	32 min
Jul 8, 3:12 PM EDT	Tornado Warning	PBZ	Armstrong, Butler, Clarion	33 min
Jul 8, 3:41 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Jefferson	34 min
Jul 8, 4:03 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	27 min
Jul 8, 7:15 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	45 min
Jul 7, 8:10 PM EDT	Special Weather Statement	PBZ	Monroe, Noble	50 min
Jul 7, 8:30 PM EDT	Special Weather Statement	PBZ	Belmont	30 min
Jul 8, 2:43 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe	34 min
Jul 8, 3:06 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Wetzel	39 min
Jul 8, 3:09 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Preston	66 min
Jul 8, 3:33 PM EDT	Tornado Warning	PBZ	Monongalia, Preston	42 min
Jul 8, 4:01 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Preston, Tucker	45 min
Jul 8, 4:05 PM EDT	Severe Thunderstorm Warning	PBZ	Preston	55 min
Jul 8, 7:07 PM EDT	Special Weather Statement	PBZ	Marshall	23 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2014 Every severe thunderstorm warning in 2014

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.