Alert archive / Pennsylvania / Special Weather Statements in 2020

Special Weather Statement, NWS State College, PA

March 28, 2020Blair County, Cambria County, Pennsylvania

NWS State College, PA issued this special weather statement at Mar 28, 2020, 1:13 PM EDT for Blair County, Cambria County, Pennsylvania. It was in force for 62 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
Mar 28, 2020, 1:13 PM EDT (17:13 UTC)
Expired
Mar 28, 2020, 2:15 PM EDT
In force
62 min
Issued by
NWS State College, PA

Counties Blair County, PA, Cambria County, PA

The radar

The State College radar (KCCX), 67 km from the middle of the area, began a volume at 17:14 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, 5.2 hours before the alert went out and 125 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 2020-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2020-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 504 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
885 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
504 m²/s²
0-3 km storm-relative helicity
719 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 Mar 28, 9:27 AM EDT, 3 hours 46 minutes earlier.

Area forecast discussion, Mar 28, 9:27 AM EDT, 3 hours 46 minutes before
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Hazardous weather outlook, Mar 28, 5:27 AM EDT, 7 hours 46 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
527 AM EDT Sat Mar 28 2020

PAZ004-005-010-011-017-024-033-290930-
Warren-McKean-Elk-Cameron-Clearfield-Cambria-Somerset-
527 AM EDT Sat Mar 28 2020

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Periods of heavier rain are possible today into tonight, with a
widespread 1 to 1.5 inches bringing rises to streams and rivers. In
addition, a few strong thunderstorms with gusty winds are possible
this afternoon and tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Scattered strong thunderstorms with gusty winds are possible during
the late morning and early afternoon hours Sunday. The main threat
for strong storms will be along and to the west of Route 219 as a
cold front pushes east into the region.

.SPOTTER INFORMATION STATEMENT...

Spotter are encouraged to relay severe weather reports to the
National Weather Service.

PAZ006-012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-290930-
Potter-Northern Clinton-Northern Centre-Southern Centre-Blair-
Huntingdon-Mifflin-Juniata-Bedford-Fulton-Franklin-Tioga-
Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-Schuylkill-
Lebanon-Cumberland-Adams-York-Lancaster-
527 AM EDT Sat Mar 28 2020

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Periods of heavier rain are possible today into tonight, with a
widespread 1 to 1.5 inches bringing rises to streams and rivers.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Scattered strong thunderstorms with gusty winds are possible during
the afternoon hours Sunday. The main threat for strong storms will
likely be near and to the south of the Interstate 81 corridor.

.SPOTTER INFORMATION STATEMENT...

Spotter are encouraged to relay severe weather reports to the
National Weather Service.

In the hours before

Special weather statement, Mar 28, 9:36 AM EDT, 3 hours 37 minutes before
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Special weather statement, Mar 28, 1:13 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service State College PA
113 PM EDT Sat Mar 28 2020

PAZ024-025-281815-
Blair PA-Cambria PA-
113 PM EDT Sat Mar 28 2020

...SPECIAL WEATHER STATEMENT...

At 112 PM EDT, Doppler radar indicated a strong thunderstorm near
Homer City, moving east at 40 mph.

Pea size hail is possible.

Locations impacted include...
Altoona, Hollidaysburg, Ebensburg, Nanty-Glo, Northern Cambria,
Lakemont, Bellwood, Patton, Cresson, Gallitzin, Vinco, Loretto,
Duncansville, Tipton, Lilly, Carrolltown, Sankertown, Horseshoe
Curve, Belsano and Canoe Creek State Park.

LAT...LON 4065 7884 4065 7826 4038 7828 4043 7896
TIME...MOT...LOC 1712Z 270DEG 39KT 4054 7906

Martin

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 9:36 AM EDTSpecial Weather StatementCTPMifflin24 min
Mar 28, 2:42 PM EDTSpecial Weather StatementCTPBlair, Cambria33 min
Mar 28, 3:19 PM EDTSpecial Weather StatementCTPBlair, Cambria41 min
Mar 28, 4:10 PM EDTSpecial Weather StatementCTPCambria35 min
Mar 28, 5:02 PM EDTAreal Flood AdvisoryCTPClearfield3 hr
Mar 28, 5:12 PM EDTSpecial Weather StatementCTPClearfield33 min
Mar 28, 5:20 PM EDTSpecial Weather StatementCTPSomerset25 min
Mar 28, 5:30 PM EDTSevere Thunderstorm WarningCTPSomerset30 min
Mar 28, 5:39 PM EDTAreal Flood AdvisoryCTPBedford, Cambria, Somerset51 min
Mar 28, 6:00 PM EDTSpecial Weather StatementCTPSomerset30 min
Mar 28, 6:21 PM EDTAreal Flood AdvisoryCTPBlair, Centre, Huntingdon3 hr
Mar 28, 6:29 PM EDTAreal Flood AdvisoryCTPBedford, Cambria, Somerset2 hr

Nearby

Special Weather Statements in Pennsylvania, 2020Every special weather statement in 2020

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.