Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS Pittsburgh, PA

June 13, 2021Fayette County, Pennsylvania

NWS Pittsburgh, PA issued this special weather statement at Jun 13, 2021, 9:39 AM EDT for Fayette County, Pennsylvania. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 13, 2021, 9:39 AM EDT (13:39 UTC)
Expired: Jun 13, 2021, 10:15 AM EDT
In force: 36 min
Issued by: NWS Pittsburgh, PA

County Fayette County, PA

The radar

The Pittsburgh radar (KPBZ), 63 km from the middle of the area, began a volume at 13:39 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, 1.7 hours before the alert went out and 46 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: 1001 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 944 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 13, 9:29 AM EDT, 10 minutes earlier.

Area forecast discussion, Jun 13, 9:29 AM EDT, 10 minutes before

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Hazardous weather outlook, Jun 13, 3:29 AM EDT, 6 hours 10 minutes before

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
329 AM EDT Sun Jun 13 2021

OHZ039>041-048-049-057-058-068-PAZ007>009-013-140730-
Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Muskingum-Guernsey-
Noble-Mercer-Venango-Forest-Lawrence-
329 AM EDT Sun Jun 13 2021

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

.DAY ONE...Today and tonight.

Isolated severe thunderstorms are possible this afternoon. The main
hazard is expected to be damaging wind, though large hail is also
possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Isolated severe thunderstorms are possible again Monday afternoon and
evening, with damaging wind and large hail possible.

.SPOTTER INFORMATION STATEMENT...

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

OHZ050-059-069-PAZ014>016-020>023-029-031-073>076-WVZ001>004-012-021-
509>514-140730-
Jefferson OH-Belmont-Monroe-Butler-Clarion-Jefferson PA-Beaver-
Allegheny-Armstrong-Indiana-Washington-Greene-Westmoreland-
Higher Elevations of Westmoreland-Fayette-
Higher Elevations of Fayette-Hancock-Brooke-Ohio-Marshall-Wetzel-
Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
329 AM EDT Sun Jun 13 2021

This Hazardous Weather Outlook is for east central Ohio, northwest
Pennsylvania, southwest Pennsylvania, western Pennsylvania,
northern West Virginia and the northern panhandle of West Virginia.

.DAY ONE...Today and tonight.

Scattered severe thunderstorms are possible this afternoon and early
evening. The main hazard is expected to be damaging wind, though
large hail is also possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Isolated severe thunderstorms are possible Monday afternoon and
evening, with damaging wind and large hail possible.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jun 13, 8:24 AM EDT, 1 hour 15 minutes before

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Special weather statement, Jun 13, 9:02 AM EDT, 37 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
902 AM EDT Sun Jun 13 2021

PAZ023-074-131315-
Westmoreland Ridges-Indiana-
902 AM EDT Sun Jun 13 2021

...A STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL...GUSTY WIND
AND HEAVY RAIN WILL AFFECT SOUTH CENTRAL INDIANA AND SOUTHEASTERN
WESTMORELAND COUNTIES...

At 901 AM EDT, a strong thunderstorm was located near Ligonier, or 11
miles east of Latrobe, moving southeast at 35 mph.

Wind gusts up to 55 mph and small hail are possible with this storm.

Locations impacted include...
Ligonier...                       New Florence...
Bolivar...                        Laurel Mountain...
Loyalhanna Gorge...               Laurel Mountain State Park...

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

Frequent cloud to ground lightning is occurring with this storm. Seek
safe shelter inside a building or vehicle.

LAT...LON 4032 7904 4028 7906 4027 7907 4025 7908
      4023 7910 4022 7910 4020 7911 4020 7913
      4018 7913 4018 7914 4016 7915 4023 7936
      4044 7918 4036 7900
TIME...MOT...LOC 1301Z 300DEG 29KT 4029 7917

CL

Special weather statement, Jun 13, 9:39 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
939 AM EDT Sun Jun 13 2021

PAZ029-031-075-131415-
Greene-Washington-Fayette-
939 AM EDT Sun Jun 13 2021

...A STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL AND GUSTY
WIND WILL AFFECT SOUTHEASTERN WASHINGTON...NORTHEASTERN GREENE AND
NORTHWESTERN FAYETTE COUNTIES...

At 939 AM EDT, a strong thunderstorm was located over California, or
13 miles south of Gastonville, moving southeast at 15 mph.

Wind gusts up to 40 mph and small hail are possible with this storm.

Locations impacted include...
California...                     Brownsville...
North Belle Vernon...             Speers...
Isabella...                       Belle Vernon...
Lynnwood-Pricedale...             West Brownsville...
Roscoe...                         Fayette City...
Newell...                         Allenport...

This includes Interstate 70 in Pennsylvania between mile markers 38
and 40.

LAT...LON 3999 7971 3992 7994 4008 8000 4013 7987
      4013 7986
TIME...MOT...LOC 1339Z 334DEG 12KT 4008 7992

CL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 8:24 AM EDT	Special Weather Statement	PBZ	Westmoreland	36 min
Jun 13, 8:36 AM EDT	Areal Flood Advisory	PBZ	Armstrong, Westmoreland	71 min
Jun 13, 8:51 AM EDT	Areal Flood Advisory	PBZ	Armstrong, Indiana	103 min
Jun 13, 9:02 AM EDT	Special Weather Statement	PBZ	Westmoreland	13 min
Jun 13, 10:42 AM EDT	Special Weather Statement	PBZ	Fayette	33 min
Jun 13, 1:37 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	38 min
Jun 13, 1:57 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	20 min
Jun 13, 2:08 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	33 min
Jun 13, 3:55 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer	35 min
Jun 13, 4:23 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Butler, Lawrence	37 min
Jun 13, 5:29 PM EDT	Flash Flood Warning	PBZ	Allegheny, Westmoreland	3 hr
Jun 13, 5:33 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Westmoreland	27 min
Jun 13, 5:43 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	47 min
Jun 13, 5:53 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Venango	17 min
Jun 13, 5:59 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	46 min
Jun 13, 6:12 PM EDT	Special Weather Statement	PBZ	Forest	33 min
Jun 13, 6:21 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	39 min
Jun 13, 6:54 PM EDT	Areal Flood Advisory	PBZ	Allegheny, Washington, Westmoreland	2 hr
Jun 13, 6:58 PM EDT	Special Weather Statement	PBZ	Washington	47 min
Jun 13, 7:22 PM EDT	Flash Flood Warning	PBZ	Allegheny, Washington	100 min
Jun 13, 7:26 PM EDT	Special Weather Statement	PBZ	Fayette	34 min
Jun 13, 11:51 AM EDT	Special Weather Statement	PBZ	Preston	24 min
Jun 13, 12:31 PM EDT	Special Weather Statement	PBZ	Ohio	29 min
Jun 13, 12:50 PM EDT	Severe Thunderstorm Warning	PBZ	Preston, Tucker	25 min
Jun 13, 1:06 PM EDT	Severe Thunderstorm Warning	PBZ	Monongalia, Preston	24 min
Jun 13, 1:26 PM EDT	Severe Thunderstorm Warning	PBZ	Preston, Tucker	49 min
Jun 13, 2:16 PM EDT	Flash Flood Warning	PBZ	Monongalia, Preston	2 hr
Jun 13, 2:32 PM EDT	Areal Flood Advisory	PBZ	Preston, Tucker	118 min
Jun 13, 2:40 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Wetzel	35 min
Jun 13, 3:11 PM EDT	Areal Flood Advisory	PBZ	Marion, Monongalia	64 min
Jun 13, 3:13 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Preston	47 min
Jun 13, 3:38 PM EDT	Flash Flood Warning	PBZ	Marion, Monongalia	50 min
Jun 13, 4:27 PM EDT	Areal Flood Warning	PBZ	Preston	48 min
Jun 13, 5:18 PM EDT	Areal Flood Advisory	PBZ	Marion, Monongalia, Preston, Tucker	117 min
Jun 13, 12:20 PM EDT	Special Weather Statement	PBZ	Guernsey	25 min
Jun 13, 12:26 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Noble, Tuscarawas	34 min
Jun 13, 12:56 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Noble	34 min
Jun 13, 1:26 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Monroe, Noble	34 min
Jun 13, 1:50 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Monroe, Noble	40 min
Jun 13, 1:58 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Muskingum	47 min
Jun 13, 3:04 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Muskingum	26 min
Jun 13, 3:19 PM EDT	Areal Flood Advisory	PBZ	Guernsey, Noble	56 min
Jun 13, 3:35 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Guernsey, Muskingum, Tuscarawas	25 min

Nearby

Special Weather Statements in Pennsylvania, 2021 Every special weather statement in 2021

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.