Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 172, NWS Pittsburgh, PA

September 6, 2018Greene County, Washington County, Pennsylvania; Marshall County, West Virginia

NWS Pittsburgh, PA issued this severe thunderstorm warning at Sep 6, 2018, 4:29 PM EDT for Greene County, Washington County, Pennsylvania; Marshall County, West Virginia. It was in force for 26 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: Sep 6, 2018, 4:29 PM EDT (20:29 UTC)
Expired: Sep 6, 2018, 4:55 PM EDT
In force: 26 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Greene County, PA, Washington County, PA, Marshall County, WV

The radar

The Pittsburgh radar (KPBZ), 64 km from the middle of the area, began a volume at 20:32 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.

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 Sep 6, 3:17 PM EDT, 1 hour 12 minutes earlier.

Area forecast discussion, Sep 6, 3:17 PM EDT, 1 hour 12 minutes before

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Hazardous weather outlook, Sep 6, 4:06 PM EDT, 23 minutes before

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In the hours before

Local storm report, Sep 6, 3:42 PM EDT, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
342 PM EDT THU SEP 06 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0341 PM     TSTM WND DMG     WEST LIBERTY            40.17N  80.59W
09/06/2018                   OHIO               WV   911 CALL CENTER

            TREES DOWN

&&

EVENT NUMBER PBZ1803412

TGREEN

Local storm report, Sep 6, 3:58 PM EDT, 31 minutes before

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Special weather statement, Sep 6, 4:05 PM EDT, 24 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
405 PM EDT THU SEP 6 2018

OHZ059-WVZ003-004-062030-
Belmont-Marshall-Ohio-
405 PM EDT THU SEP 6 2018

...A STRONG THUNDERSTORM CAPABLE OF PRODUCING HAIL AND GUSTY WIND
WILL AFFECT SOUTHEASTERN BELMONT...SOUTHERN OHIO AND NORTHERN
MARSHALL COUNTIES...

At 404 PM EDT, a strong thunderstorm was located over Shadyside, or
near Bellaire, moving east at 10 mph.

Wind gusts up to 45 mph and hail up to the size of nickels are
possible with this storm.

Locations impacted include...
Wheeling...                       Moundsville...
Bellaire...                       Bethlehem...
Triadelphia...                    Shadyside...
McMechen...                       Powhatan Point...
Glen Dale...                      Bridgeport...
Benwood...                        Brookside...

This includes the following highways...
  Interstate 70 in Ohio between mile markers 223 and 225.
  Interstate 70 in West Virginia between mile markers 0 and 11.

This storm may intensify, so monitor local radio or television
stations for additional information and possible warnings from the
National Weather Service.

LAT...LON 3987 8089 4008 8079 4007 8054 3980 8065
TIME...MOT...LOC 2004Z 281DEG 9KT 3998 8079

Special weather statement, Sep 6, 4:14 PM EDT, 15 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
414 PM EDT THU SEP 6 2018

PAZ029-031-062045-
Greene-Washington-
414 PM EDT THU SEP 6 2018

...A STRONG THUNDERSTORM CAPABLE OF PRODUCING HAIL...GUSTY WIND AND
HEAVY RAIN WILL AFFECT SOUTHWESTERN WASHINGTON AND NORTHWESTERN
GREENE COUNTIES...

At 414 PM EDT, a strong thunderstorm was located 8 miles southeast of
Valley Grove, moving east at 10 mph.

Wind gusts up to 45 mph and hail up to the size of nickels are
possible with this storm.

Locations impacted include...
West Finley...                    Claysville...
Green Hills...

This includes the following highways...
  Interstate 70 in Pennsylvania between mile markers 6 and 9.
  Interstate 79 in Pennsylvania near mile marker 28.

Torrential rainfall also is occurring with this storm and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so monitor local radio or television
stations for additional information and possible warnings from the
National Weather Service.

LAT...LON 4000 8052 4014 8041 4009 8018 3985 8033
      3995 8052
TIME...MOT...LOC 2014Z 286DEG 9KT 4003 8043

Special weather statement, Sep 6, 4:19 PM EDT, 10 minutes before

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Special weather statement, Sep 6, 4:27 PM EDT, 2 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
427 PM EDT THU SEP 6 2018

PAZ029-031-WVZ004-062100-
Greene-Washington-Marshall-
427 PM EDT THU SEP 6 2018

...AN AREA OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING HAIL AND
GUSTY WIND WILL AFFECT SOUTHWESTERN WASHINGTON...NORTHWESTERN GREENE
AND EAST CENTRAL MARSHALL COUNTIES...

At 427 PM EDT, strong thunderstorms were clustered 8 miles northeast
of Cameron, or 10 miles southeast of Triadelphia, moving east at 15
mph.

Wind gusts up to 45 mph and hail up to the size of nickels are
possible with this storm.

Locations impacted include...
West Finley...

This storm may intensify, so monitor local radio or television
stations for additional information and possible warnings from the
National Weather Service.

LAT...LON 3990 8058 4000 8056 3999 8033 3984 8037
TIME...MOT...LOC 2027Z 273DEG 14KT 3994 8050

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 6, 10:17 AM EDT	Special Weather Statement	PBZ	Beaver, Lawrence	43 min
Sep 6, 10:49 AM EDT	Special Weather Statement	PBZ	Butler	41 min
Sep 6, 11:29 AM EDT	Special Weather Statement	PBZ	Jefferson	46 min
Sep 6, 12:04 PM EDT	Special Weather Statement	PBZ	Allegheny	26 min
Sep 6, 2:16 PM EDT	Special Weather Statement	PBZ	Fayette	29 min
Sep 6, 3:23 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	29 min
Sep 6, 3:49 PM EDT	Flash Flood Warning	PBZ	Washington	87 min
Sep 6, 4:14 PM EDT	Special Weather Statement	PBZ	Greene	31 min
Sep 6, 4:32 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	17 min
Sep 6, 1:30 PM EDT	Special Weather Statement	PBZ	Muskingum	30 min
Sep 6, 2:11 PM EDT	Special Weather Statement	PBZ	Guernsey, Muskingum	34 min
Sep 6, 2:24 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Guernsey, Muskingum, Tuscarawas	39 min
Sep 6, 3:19 PM EDT	Special Weather Statement	PBZ	Brooke, Ohio	26 min
Sep 6, 3:39 PM EDT	Special Weather Statement	PBZ	Marion	36 min
Sep 6, 3:41 PM EDT	Flash Flood Warning	PBZ	Marion	3 hr
Sep 6, 3:42 PM EDT	Severe Thunderstorm Warning	PBZ	Marion	13 min
Sep 6, 4:05 PM EDT	Special Weather Statement	PBZ	Marshall	25 min
Sep 6, 4:19 PM EDT	Special Weather Statement	PBZ	Brooke	26 min
Sep 6, 4:27 PM EDT	Special Weather Statement	PBZ	Marshall	33 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2018 Severe Thunderstorm Warnings in West Virginia, 2018 Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.