Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS State College, PA

June 13, 2021Bedford County, Pennsylvania

NWS State College, PA issued this special weather statement at Jun 13, 2021, 9:48 AM EDT for Bedford County, Pennsylvania. It was in force for 57 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, 9:48 AM EDT (13:48 UTC)
Expired
Jun 13, 2021, 10:45 AM EDT
In force
57 min
Issued by
NWS State College, PA

County Bedford County, PA

The radar

The State College radar (KCCX), 96 km from the middle of the area, began a volume at 13:51 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, 1.8 hours before the alert went out and 147 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2021-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1001 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2021-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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 State College, PA wrote its last area forecast discussion before this special weather statement went out at Jun 13, 9:47 AM EDT, 1 minute earlier.

Area forecast discussion, Jun 13, 9:47 AM EDT, 1 minute before
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Hazardous weather outlook, Jun 13, 4:00 AM EDT, 5 hours 48 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
400 AM EDT Sun Jun 13 2021

PAZ058-059-065-066-140800-
Schuylkill-Lebanon-York-Lancaster-
400 AM EDT Sun Jun 13 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Scattered strong to severe thunderstorms with gusty winds and
locally heavy rainfall are possible this afternoon and evening.

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

Isolated strong to severe thunderstorms with gusty winds are possible
Monday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ005-006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056-057-063-064-140800-
McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin-
Juniata-Somerset-Bedford-Fulton-Franklin-Tioga-Northern Lycoming-
Sullivan-Southern Clinton-Southern Lycoming-Union-Snyder-Montour-
Northumberland-Columbia-Perry-Dauphin-Cumberland-Adams-
400 AM EDT Sun Jun 13 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Scattered severe thunderstorms with damaging winds 60 mph or greater
and locally heavy rainfall are possible this afternoon and evening.

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

Isolated strong to severe thunderstorms with gusty winds are
possible Monday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004-140800-
Warren-
400 AM EDT Sun Jun 13 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Scattered strong to severe thunderstorms with gusty winds and
locally heavy rainfall are possible this afternoon and evening.

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

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

MRS

In the hours before

Special weather statement, Jun 13, 8:56 AM EDT, 52 minutes before
Special Weather Statement
National Weather Service State College PA
856 AM EDT Sun Jun 13 2021

PAZ024-033-131345-
Somerset PA-Cambria PA-
856 AM EDT Sun Jun 13 2021

...STRONG THUNDERSTORMS WILL AFFECT PARTS OF SOMERSET AND CAMBRIA
COUNTIES UNTIL 1000 AM EDT...

At 855 AM EDT, Doppler radar indicated strong thunderstorms along a
line extending from near Belsano to near Derry to near Lawson
Heights. Movement was southeast at 35 mph.

Pea size hail and wind gusts up to 45 mph are possible.

Locations impacted include...
Johnstown, Somerset, Westmont, Windber, Ebensburg, Belmont,
Nanty-Glo, Portage, Geistown, Southmont, Berlin, Friedens, Vinco,
Boswell, Dale, East Conemaugh, Salix-Beauty Line Park, Davidsville,
Central City and Beaverdale-Lloydell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4012 7921 4012 7917 4016 7916 4018 7913
      4020 7913 4036 7900 4056 7888 4043 7855
      4037 7856 4035 7861 4031 7864 4026 7864
      4008 7873 4006 7876 3990 7876 3987 7892
      3993 7938
TIME...MOT...LOC 1255Z 302DEG 29KT 4051 7896 4034 7920 4025 7946

Colbert
Special weather statement, Jun 13, 9:48 AM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:56 AM EDTSpecial Weather StatementCTPSomerset49 min
Jun 13, 9:08 AM EDTSevere Thunderstorm WarningCTPCambria, Somerset67 min
Jun 13, 10:04 AM EDTAreal Flood AdvisoryCTPBedford, Cambria, Somerset116 min
Jun 13, 10:26 AM EDTSpecial Weather StatementCTPFulton49 min
Jun 13, 3:37 PM EDTSpecial Weather StatementCTPLycoming38 min
Jun 13, 3:45 PM EDTSevere Thunderstorm WarningCTPLycoming, Tioga45 min
Jun 13, 4:14 PM EDTSpecial Weather StatementCTPLycoming46 min
Jun 13, 4:22 PM EDTSevere Thunderstorm WarningCTPLycoming, Union83 min
Jun 13, 4:55 PM EDTSpecial Weather StatementCTPCameron20 min
Jun 13, 5:07 PM EDTSpecial Weather StatementCTPUnion23 min
Jun 13, 5:11 PM EDTSpecial Weather StatementCTPElk19 min
Jun 13, 5:16 PM EDTSevere Thunderstorm WarningCTPClinton55 min
Jun 13, 5:19 PM EDTSpecial Weather StatementCTPCameron26 min
Jun 13, 5:57 PM EDTSpecial Weather StatementCTPUnion18 min
Jun 13, 6:07 PM EDTSpecial Weather StatementCTPCameron23 min
Jun 13, 6:30 PM EDTSpecial Weather StatementCTPClinton15 min
Jun 13, 6:34 PM EDTSpecial Weather StatementCTPPotter26 min
Jun 13, 6:39 PM EDTSpecial Weather StatementCTPForest21 min
Jun 13, 6:45 PM EDTSpecial Weather StatementCTPClinton15 min
Jun 13, 6:51 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton54 min
Jun 13, 6:54 PM EDTSpecial Weather StatementCTPCentre36 min
Jun 13, 6:58 PM EDTSevere Thunderstorm WarningCTPMcKean, Warren32 min
Jun 13, 7:22 PM EDTSpecial Weather StatementCTPTioga23 min
Jun 13, 7:23 PM EDTSpecial Weather StatementCTPCentre37 min
Jun 13, 7:26 PM EDTSevere Thunderstorm WarningCTPMcKean49 min
Jun 13, 7:34 PM EDTAreal Flood AdvisoryCTPPotter86 min
Jun 13, 7:46 PM EDTSpecial Weather StatementCTPCentre29 min
Jun 13, 7:53 PM EDTSevere Thunderstorm WarningCTPBlair, Centre, Huntingdon43 min

Nearby

Special Weather Statements in Pennsylvania, 2021Every 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.