Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS State College, PA

June 28, 2021Bedford County, Pennsylvania

NWS State College, PA issued this special weather statement at Jun 28, 2021, 8:31 PM EDT for Bedford County, Pennsylvania. It was in force for 29 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 28, 2021, 8:31 PM EDT (00:31 UTC)
Expired: Jun 28, 2021, 9:00 PM EDT
In force: 29 min
Issued by: NWS State College, PA

County Bedford County, PA

The radar

The Sterling radar (KLWX), 122 km from the middle of the area, began a volume at 00:34 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 0.5 hours before the alert went out and 129 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: 742 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1586 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 State College, PA wrote its last area forecast discussion before this special weather statement went out at Jun 28, 5:24 PM EDT, 3 hours 7 minutes earlier.

Area forecast discussion, Jun 28, 5:24 PM EDT, 3 hours 7 minutes before

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Hazardous weather outlook, Jun 28, 4:35 AM EDT, 15 hours 56 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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In the hours before

Special weather statement, Jun 28, 6:16 PM EDT, 2 hours 15 minutes before

Special Weather Statement
National Weather Service State College PA
616 PM EDT Mon Jun 28 2021

PAZ033-282245-
Somerset PA-
616 PM EDT Mon Jun 28 2021

...A STRONG THUNDERSTORM WILL SOUTHERN SOMERSET COUNTY UNTIL 645 PM
EDT...

At 614 PM EDT, Doppler radar indicated a cluster of strong
thunderstorms near Berlin and Salisbury, moving northeast at 15 mph.

Wind gusts of 50 to 55 mph are possible. Winds this strong can blow
down large branches and upset loose outdoor objects.

Additional locations impacted include...

Meyersdale, Garrett, Indian Lake, Shanksville, Wellersburg, New
Baltimore, Callimont and the Flight 93 National Memorial.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3973 7918 4010 7893 4007 7875 4006 7876
      3983 7875 3972 7881
TIME...MOT...LOC 2214Z 227DEG 12KT 3987 7897

Dangelo

Special weather statement, Jun 28, 6:58 PM EDT, 1 hour 33 minutes before

Special Weather Statement
National Weather Service State College PA
658 PM EDT Mon Jun 28 2021

PAZ033-282345-
Somerset PA-
658 PM EDT Mon Jun 28 2021

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF SOMERSET COUNTY UNTIL
745 PM EDT...

At 657 PM EDT, Doppler radar indicated a strong thunderstorm near
Friedens, moving northeast at 15 mph.

Wind gusts up to 50 mph are possible.

Locations impacted include...
Friedens, Central City, Hooversville, Indian Lake, Stoystown,
Shanksville and Flight 93 National Memorial.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3997 7902 4017 7894 4010 7873 4008 7873
      4006 7876 4002 7876 3990 7888
TIME...MOT...LOC 2257Z 212DEG 15KT 4003 7888

Colbert

Special weather statement, Jun 28, 8:31 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service State College PA
831 PM EDT Mon Jun 28 2021

PAZ034-290100-
Bedford PA-
831 PM EDT Mon Jun 28 2021

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF BEDFORD COUNTY UNTIL
900 PM EDT...

At 830 PM EDT, Doppler radar indicated a strong thunderstorm near
Inglesmith, moving northeast at 15 mph.

Wind gusts up to 50 mph are possible.

Locations impacted include...
Inglesmith and rural areas of southern Bedford County.

LAT...LON 3972 7858 3978 7857 3984 7850 3986 7844
      3986 7837 3984 7831 3982 7830 3978 7833
      3972 7838
TIME...MOT...LOC 0030Z 207DEG 14KT 3977 7848

Colbert

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 10:35 PM EDT	Heat Advisory	CTP	Columbia, Dauphin, Lancaster, Lebanon, Montour, Northumberland and 2 more	20 hr

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.