Alert archive / Pennsylvania / Special Weather Statements in 2018

Special Weather Statement, NWS State College, PA

August 13, 2018Cambria County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 13, 2018, 4:03 PM EDT for Cambria County, Pennsylvania. It was in force for 27 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: Aug 13, 2018, 4:03 PM EDT (20:03 UTC)
Expired: Aug 13, 2018, 4:30 PM EDT
In force: 27 min
Issued by: NWS State College, PA

County Cambria County, PA

The radar

The State College radar (KCCX), 72 km from the middle of the area, began a volume at 20:05 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 (KAGC), launched 12:00Z, 8.1 hours before the alert went out and 115 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: 557 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1261 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 20 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 Aug 13, 3:07 PM EDT, 56 minutes earlier.

Area forecast discussion, Aug 13, 3:07 PM EDT, 56 minutes before

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Hazardous weather outlook, Aug 13, 11:21 AM EDT, 4 hours 42 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
1121 AM EDT Mon Aug 13 2018

PAZ024>028-033>036-049-050-052-056-057-059-063>066-141530-
Cambria-Blair-Huntingdon-Mifflin-Juniata-Somerset-Bedford-Fulton-
Franklin-Union-Snyder-Northumberland-Perry-Dauphin-Lebanon-
Cumberland-Adams-York-Lancaster-
1121 AM EDT Mon Aug 13 2018

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Flash Flood Watch.

Scattered thunderstorms today will pose an isolated risk of heavy
downpours and localized flash flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ005-006-010>012-017>019-045-141530-
McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Southern Clinton-
1121 AM EDT Mon Aug 13 2018

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This Afternoon and Tonight.

Scattered thunderstorms today will pose an isolated risk of heavy
downpours and localized flash flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ004-141530-
Warren-
1121 AM EDT Mon Aug 13 2018

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This Afternoon and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ037-041-042-046-051-053-058-141530-
Tioga-Northern Lycoming-Sullivan-Southern Lycoming-Montour-Columbia-
Schuylkill-
1121 AM EDT Mon Aug 13 2018

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered thunderstorms Tuesday afternoon will pose an isolated risk
of heavy downpours and localized flash flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Aug 13, 3:56 PM EDT, 7 minutes before

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Local storm report, Aug 13, 3:57 PM EDT, 6 minutes before

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Local storm report, Aug 13, 3:59 PM EDT, 4 minutes before

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Local storm report, Aug 13, 4:02 PM EDT, 1 minute before

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Local storm report, Aug 13, 4:03 PM EDT, 0 minutes before

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Special weather statement, Aug 13, 4:03 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 9:58 PM EDT	Areal Flood Advisory	CTP	Schuylkill	3 hr
Aug 13, 1:46 AM EDT	Flash Flood Watch	CTP	Adams, Bedford, Blair, Cambria, Centre, Clinton and 21 more	43 hr
Aug 13, 1:53 AM EDT	Areal Flood Advisory	CTP	Lancaster	3 hr
Aug 13, 2:20 AM EDT	Areal Flood Advisory	CTP	Lycoming, Montour, Northumberland, Union	3 hr
Aug 13, 2:24 AM EDT	Areal Flood Advisory	CTP	Dauphin, Lancaster, Lebanon, Schuylkill, York	4 hr
Aug 13, 4:03 AM EDT	Flash Flood Warning	CTP	Lancaster	3 hr
Aug 13, 4:17 AM EDT	Flash Flood Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Union	9 hr
Aug 13, 4:26 AM EDT	Flash Flood Warning	CTP	Dauphin, Lebanon, Schuylkill	6 hr
Aug 13, 5:47 AM EDT	Areal Flood Advisory	CTP	Sullivan	3 hr
Aug 13, 6:05 AM EDT	Flash Flood Warning	CTP	Sullivan	6 hr
Aug 13, 6:31 AM EDT	Flash Flood Warning	CTP	Columbia	6 hr
Aug 13, 6:34 AM EDT	Areal Flood Advisory	CTP	Cumberland	3 hr
Aug 13, 6:38 AM EDT	Areal Flood Advisory	CTP	Dauphin, Lancaster, Lebanon, Schuylkill, York	3 hr
Aug 13, 6:47 AM EDT	Areal Flood Advisory	CTP	Lancaster	3 hr
Aug 13, 7:04 AM EDT	Flash Flood Warning	CTP	Columbia, Lycoming	6 hr
Aug 13, 7:22 AM EDT	River Flood Warning	CTP	Lebanon, Schuylkill	32 hr
Aug 13, 8:12 AM EDT	Areal Flood Advisory	CTP	Schuylkill	3 hr
Aug 13, 9:16 AM EDT	River Flood Warning	CTP	Dauphin, Lebanon	37 hr
Aug 13, 10:01 AM EDT	Areal Flood Advisory	CTP	Lycoming, Sullivan	4 hr
Aug 13, 10:39 AM EDT	Areal Flood Warning	CTP	Columbia, Dauphin, Lebanon, Northumberland, Schuylkill	6 hr
Aug 13, 11:10 AM EDT	Areal Flood Advisory	CTP	Somerset	3 hr
Aug 13, 11:23 AM EDT	Flash Flood Warning	CTP	Lycoming, Sullivan	3 hr
Aug 13, 11:58 AM EDT	Areal Flood Warning	CTP	Sullivan	6 hr
Aug 13, 12:03 PM EDT	Areal Flood Advisory	CTP	Cambria	3 hr
Aug 13, 12:05 PM EDT	Areal Flood Advisory	CTP	Somerset	3 hr
Aug 13, 12:51 PM EDT	Areal Flood Warning	CTP	Columbia, Lycoming, Montour	6 hr
Aug 13, 1:05 PM EDT	Areal Flood Advisory	CTP	Bedford, Franklin, Fulton, Somerset	3 hr
Aug 13, 4:32 PM EDT	Areal Flood Warning	CTP	Columbia, Dauphin, Lebanon, Northumberland, Schuylkill	3 hr
Aug 13, 5:19 PM EDT	Areal Flood Advisory	CTP	Centre, Clearfield, Huntingdon	3 hr
Aug 13, 5:53 PM EDT	Areal Flood Advisory	CTP	Cumberland, Franklin, Fulton, Huntingdon, Perry	3 hr
Aug 13, 6:15 PM EDT	Areal Flood Warning	CTP	Sullivan	12 hr
Aug 13, 6:45 PM EDT	Areal Flood Warning	CTP	Columbia, Lycoming, Montour	12 hr
Aug 13, 7:17 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	58 min
Aug 13, 7:29 PM EDT	Areal Flood Warning	CTP	Columbia, Dauphin, Lebanon, Northumberland, Schuylkill	3 hr

Nearby

Special Weather Statements in Pennsylvania, 2018 Every special weather statement in 2018

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.