Alert archive / Ohio / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 61, NWS Pittsburgh, PA

June 18, 2013Guernsey County, Muskingum County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 18, 2013, 4:24 PM EDT for Guernsey County, Muskingum County, Ohio. It was in force for 51 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: Jun 18, 2013, 4:24 PM EDT (20:24 UTC)
Expired: Jun 18, 2013, 5:15 PM EDT
In force: 51 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

Counties Guernsey County, OH, Muskingum County, OH

The radar

The Pittsburgh radar (KPBZ), 140 km from the middle of the area, began a volume at 20:24 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

Pittsburgh, PA (KPIT), launched 12:00Z, 8.4 hours before the alert went out and 145 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: 152 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1033 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 Jun 18, 4:17 PM EDT, 7 minutes earlier.

Area forecast discussion, Jun 18, 4:17 PM EDT, 7 minutes before

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Hazardous weather outlook, Jun 18, 4:13 AM EDT, 12 hours 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
413 AM EDT TUE JUN 18 2013

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029-031-073>076-WVZ001>004-012-021>023-041-190815-
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-
413 AM EDT TUE JUN 18 2013

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...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jun 18, 1:58 PM EDT, 2 hours 26 minutes before

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Special weather statement, Jun 18, 3:34 PM EDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
334 PM EDT TUE JUN 18 2013

PAZ029-075-182030-
FAYETTE PA-WASHINGTON PA-
334 PM EDT TUE JUN 18 2013

...STRONG THUNDERSTORMS WILL AFFECT CENTRAL WASHINGTON AND
NORTHWESTERN FAYETTE COUNTIES...

AT 332 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM AVELLA TO
3 MILES EAST OF WASHINGTON...MOVING EAST AT 20 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE
STORMS. HEAVY RAIN WILL POND WATER ON ROADS AND QUICKLY FILL DITCHES
AND SMALL STREAMS.

  LOCATIONS IMPACTED INCLUDE...
  WASHINGTON...         AVELLA...             ENTERPRISE...
  BENTLEYVILLE...       CANONSBURG...         MCMURRAY...
  BELLE VERNON...       CHARLEROI...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. THE
WATER DEPTH MAY BE TOO GREAT FOR SAFE PASSAGE.

PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.

LAT...LON 4007 7975 4020 8052 4036 8049 4028 8004
      4016 7988 4016 7990 4013 7988 4013 7983

07

Local storm report, Jun 18, 4:14 PM EDT, 10 minutes before

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Special weather statement, Jun 18, 4:15 PM EDT, 9 minutes before

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Special weather statement, Jun 18, 4:19 PM EDT, 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 3:34 PM EDT	Special Weather Statement	PBZ	Washington	56 min
Jun 18, 3:57 PM EDT	Areal Flood Advisory	PBZ	Washington	4 hr
Jun 18, 4:00 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	60 min
Jun 18, 4:15 PM EDT	Special Weather Statement	PBZ	Allegheny	60 min
Jun 18, 4:57 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Westmoreland	48 min
Jun 18, 5:02 PM EDT	Areal Flood Advisory	PBZ	Allegheny, Westmoreland	3 hr
Jun 18, 6:22 PM EDT	Special Weather Statement	PBZ	Indiana	53 min
Jun 18, 1:30 PM EDT	Areal Flood Advisory	PBZ	Monroe	3 hr
Jun 18, 4:19 PM EDT	Special Weather Statement	PBZ	Guernsey	56 min
Jun 18, 11:46 AM EDT	Areal Flood Advisory	PBZ	Preston, Tucker	3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2013 Every severe thunderstorm warning in 2013

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.