Alert archive / Ohio / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 255, NWS Pittsburgh, PA

December 22, 20138 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Dec 22, 2013, 1:18 AM EST for 8 counties in Ohio. It was in force for 27 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: Dec 22, 2013, 1:18 AM EST (06:18 UTC)
Expired: Dec 22, 2013, 1:45 AM EST
In force: 27 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

Counties Belmont County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Monroe County, OH, Muskingum County, OH, Noble County, OH, Tuscarawas County, OH

The radar

The Pittsburgh radar (KPBZ), 115 km from the middle of the area, began a volume at 06:19 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 (KAGC), launched 00:00Z, 6.3 hours before the alert went out and 119 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 714 m above ground
0-6 km bulk shear: 81 kt
0-1 km storm-relative helicity: 498 m²/s²
0-3 km storm-relative helicity: 527 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 Dec 22, 12:42 AM EST, 36 minutes earlier.

Area forecast discussion, Dec 22, 12:42 AM EST, 36 minutes before

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Hazardous weather outlook, Dec 21, 3:34 PM EST, 9 hours 44 minutes before

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In the hours before

Special weather statement, Dec 21, 9:47 PM EST, 3 hours 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
947 PM EST SAT DEC 21 2013

PAZ013-220345-
LAWRENCE PA-
947 PM EST SAT DEC 21 2013

...HEAVY RAIN WILL AFFECT LAWRENCE COUNTY...

AT 937 PM EST...HEAVY RAIN WAS LOCATED SOUTHEAST OF LAWRENCE COUNTY.
RECENT RAINFALL HAS RESULTED IN WATER COVERING STOUGHTON ROAD IN
SCOTT TOWNSHIP. NO OTHER FLOODING WAS REPORTED BUT HEAVY RAIN WILL
POND WATER ON ROADS AND QUICKLY FILL SMALL STREAMS AS THE BATCH OF
HEAVY RAIN MOVES THROUGH THE AREA.

  LOCATIONS IMPACTED INCLUDE...
  PULASKI...            NEW WILMINGTON...     BESSEMER...
  NEW CASTLE...         HARLANSBURG...        ELLWOOD CITY...
  MCCONNELLS MILL...

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

LAT...LON 4112 8025 4112 8015 4107 8010 4100 8017
      4085 8016 4085 8052 4113 8052 4113 8026

Special weather statement, Dec 22, 1:05 AM EST, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
105 AM EST SUN DEC 22 2013

OHZ039>041-048>050-057>059-068-069-220700-
BELMONT OH-CARROLL OH-COLUMBIANA OH-COSHOCTON OH-GUERNSEY OH-
HARRISON OH-JEFFERSON OH-MONROE OH-MUSKINGUM OH-NOBLE OH-
TUSCARAWAS OH-
105 AM EST SUN DEC 22 2013

...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT THE REGION...

AT 101 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
SHOWED SHOWERS WITH STRONG WIND GUSTS ALONG A LINE FROM 7 MILES
NORTH OF WALHONDING TO 20 MILES SOUTH OF NEW LEXINGTON...MOVING
NORTHEAST AT 60 MPH.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS.

  LOCATIONS IMPACTED INCLUDE...
  WALHONDING...         NEW GUILFORD...       NELLIE...
  DILLON STATE PARK...  COOPERDALE...         EAST FULTONHAM...
  WARSAW...             LAYLAND...            BLISSFIELD...
  ZANESVILLE...         DRAKE...              CANNELVILLE...

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

LAT...LON 4001 8220 4045 8219 4045 8168 4064 8167
      4066 8125 4073 8123 4074 8109 4091 8108
      4091 8091 4093 8085 4093 8084 3981 8105
      3961 8159 3967 8165 3975 8165 3976 8207
      3981 8209 3981 8217 3990 8217 3992 8224

07

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 21, 9:47 PM EST	Special Weather Statement	PBZ	Lawrence	58 min
Dec 22, 1:58 AM EST	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer, Venango	62 min
Dec 22, 2:11 AM EST	Severe Thunderstorm Warning	PBZ	Beaver, Butler, Lawrence, Washington	64 min
Dec 22, 2:37 AM EST	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Fayette, Greene and 3 more	53 min
Dec 22, 2:53 AM EST	Severe Thunderstorm Warning	PBZ	Armstrong, Beaver, Butler, Clarion, Forest, Indiana and 3 more	37 min
Dec 22, 3:26 AM EST	Severe Thunderstorm Warning	PBZ	Armstrong, Fayette, Indiana, Westmoreland	49 min
Dec 22, 3:28 AM EST	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Forest, Indiana, Jefferson	47 min
Dec 21, 10:36 PM EST	Areal Flood Warning	PBZ	Tuscarawas	3 days
Dec 22, 1:05 AM EST	Special Weather Statement	PBZ	Carroll, Coshocton, Guernsey, Harrison, Muskingum, Noble and 1 more	55 min
Dec 22, 1:16 AM EST	Severe Thunderstorm Warning	PBZ	Carroll, Columbiana, Coshocton, Harrison, Tuscarawas	59 min
Dec 22, 1:44 AM EST	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Harrison, Jefferson, Monroe, Noble and 1 more	61 min
Dec 22, 2:16 AM EST	Areal Flood Warning	PBZ	Tuscarawas	8 hr
Dec 22, 5:34 AM EST	Areal Flood Advisory	PBZ	Coshocton	6 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.