Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 91, NWS Pittsburgh, PA

May 28, 2019Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at May 28, 2019, 10:07 PM EDT for Westmoreland County, Pennsylvania. It was in force for 23 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: May 28, 2019, 10:07 PM EDT (02:07 UTC)
Expired: May 28, 2019, 10:30 PM EDT
In force: 23 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 68 km from the middle of the area, began a volume at 02:07 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 May 28, 9:02 PM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, May 28, 9:02 PM EDT, 1 hour 5 minutes before

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Hazardous weather outlook, May 28, 10:07 PM EDT, 0 minutes before

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
1007 PM EDT Tue May 28 2019

MDZ001-OHZ039-040-048>050-057>059-068-069-PAZ007>009-015-016-029-031-
075-076-WVZ001>004-012-021-509>514-300215-
Garrett-Tuscarawas-Carroll-Coshocton-Harrison-Jefferson OH-Muskingum-
Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Forest-Clarion-
Jefferson PA-Washington-Greene-Fayette-Fayette Ridges-Hancock-Brooke-
Ohio-Marshall-Wetzel-Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
1007 PM EDT Tue May 28 2019

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...Tonight.

Isolated severe storms will be possible overnight. The main threat
will be damaging wind gusts and large hail.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Severe thunderstorms will be possible Wednesday afternoon and
evening. The main threat will be damaging wind gusts and large hail.
An isolated tornado is possible as well.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

OHZ041-PAZ013-014-020>023-073-074-300215-
Columbiana-Lawrence-Butler-Beaver-Allegheny-Armstrong-Indiana-
Westmoreland-Westmoreland Ridges-
1007 PM EDT Tue May 28 2019

This Hazardous Weather Outlook is for east central Ohio, southwest
Pennsylvania, west central Pennsylvania and western Pennsylvania.

.DAY ONE...Tonight.
Flash flooding and isolated severe storms will be possible overnight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The potential for additional flash flooding continues on Wednesday.
Severe thunderstorms will also be possible during the afternoon and
evening. The main threat will be damaging wind gusts and large hail.
An isolated tornado is possible as well.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

In the hours before

Special weather statement, May 28, 8:01 PM EDT, 2 hours 6 minutes before

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Local storm report, May 28, 8:02 PM EDT, 2 hours 5 minutes before

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Local storm report, May 28, 8:39 PM EDT, 1 hour 28 minutes before

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Local storm report, May 28, 9:11 PM EDT, 56 minutes before

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Local storm report, May 28, 9:33 PM EDT, 34 minutes before

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Special weather statement, May 28, 9:40 PM EDT, 27 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
940 PM EDT Tue May 28 2019

PAZ021>023-073-074-290215-
Armstrong-Westmoreland Ridges-Westmoreland-Allegheny-Indiana-
940 PM EDT Tue May 28 2019

...A STRONG THUNDERSTORM CAPABLE OF PRODUCING HAIL...GUSTY WIND AND
HEAVY RAIN WILL AFFECT THE AREA...

At 940 PM EDT, a strong thunderstorm was located near Murrysville, or
near Apollo, moving southeast at 40 mph.

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

Locations impacted include...
Penn Hills...                     Monroeville...
Latrobe...                        Vandergrift...
Apollo...                         Plum...
Murrysville...                    New Kensington...
Lower Burrell...                  McChesneytown-Loyalhanna...
Blairsville...                    Derry...

This includes  Pennsylvania Turnpike between mile markers 53 and 55.

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

LAT...LON 4021 7911 4019 7913 4046 7979 4063 7970
      4043 7898
TIME...MOT...LOC 0140Z 293DEG 37KT 4052 7966

07

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 8:01 PM EDT	Special Weather Statement	PBZ	Mercer	29 min
May 28, 9:40 PM EDT	Special Weather Statement	PBZ	Westmoreland	35 min
May 28, 10:12 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Westmoreland	33 min
May 28, 11:15 PM EDT	Areal Flood Warning	PBZ	Beaver, Butler, Lawrence	24 hr
May 28, 11:17 PM EDT	Areal Flood Warning	PBZ	Allegheny, Armstrong, Butler, Indiana, Westmoreland	12 hr
May 29, 12:11 AM EDT	Special Weather Statement	PBZ	Beaver	34 min
May 29, 12:46 AM EDT	Special Weather Statement	PBZ	Allegheny	29 min
May 29, 1:00 AM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Westmoreland	45 min
May 29, 1:49 AM EDT	Special Weather Statement	PBZ	Westmoreland	26 min
May 29, 3:37 AM EDT	Flash Flood Watch	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 5 more	17 hr
May 29, 12:39 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene	36 min
May 29, 1:25 PM EDT	Special Weather Statement	PBZ	Butler	20 min
May 29, 1:52 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Westmoreland	53 min
May 29, 2:05 PM EDT	Flash Flood Warning	PBZ	Beaver	88 min
May 29, 2:05 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington, Westmoreland	40 min
May 29, 2:14 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana, Jefferson, Westmoreland	46 min
May 29, 2:16 PM EDT	Flash Flood Warning	PBZ	Allegheny, Butler	109 min
May 29, 2:20 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Indiana, Westmoreland	40 min
May 29, 2:47 PM EDT	Flash Flood Warning	PBZ	Armstrong, Indiana, Westmoreland	107 min
May 29, 2:55 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	50 min
May 29, 3:02 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington	28 min
May 29, 3:02 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	16 min
May 29, 3:14 PM EDT	Areal Flood Advisory	PBZ	Indiana, Westmoreland	2 hr
May 29, 3:33 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Indiana, Westmoreland	42 min
May 29, 3:37 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	38 min
May 29, 4:08 PM EDT	Areal Flood Advisory	PBZ	Westmoreland	2 hr
May 29, 4:13 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Westmoreland	24 min
May 29, 6:09 PM EDT	Flash Flood Warning	PBZ	Allegheny	107 min
May 29, 6:18 PM EDT	Flash Flood Warning	PBZ	Allegheny, Indiana, Westmoreland	2 hr
May 29, 1:37 PM EDT	Special Weather Statement	PBZ	Carroll	23 min
May 29, 2:31 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Carroll, Guernsey, Harrison, Jefferson, Tuscarawas	44 min
May 29, 5:00 PM EDT	Flash Flood Warning	PBZ	Carroll, Tuscarawas	2 hr
May 29, 1:03 AM EDT	Special Weather Statement	PBZ	Hancock	27 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2019 Every severe thunderstorm warning in 2019

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.