Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 106, NWS State College, PA

July 25, 20094 counties in Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 25, 2009, 5:14 PM EDT for 4 counties in Pennsylvania. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 25, 2009, 5:14 PM EDT (21:14 UTC)
Expired: Jul 25, 2009, 5:54 PM EDT
In force: 40 min
Issued by: NWS State College, PA
Area: Storm-based polygon

Counties Juniata County, PA, Northumberland County, PA, Snyder County, PA, Union County, PA

The radar

The State College radar (KCCX), 81 km from the middle of the area, began a volume at 21:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 25, 3:50 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 25, 5:06 PM EDT, 8 minutes earlier.

Area forecast discussion, Jul 25, 5:06 PM EDT, 8 minutes before

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Hazardous weather outlook, Jul 25, 4:06 PM EDT, 1 hour 8 minutes before

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In the hours before

Special weather statement, Jul 25, 3:20 PM EDT, 1 hour 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
320 PM EDT SAT JUL 25 2009

PAZ005-006-011-252000-
CAMERON PA-MCKEAN PA-POTTER PA-
320 PM EDT SAT JUL 25 2009

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CAMERON...
SOUTHEASTERN MCKEAN AND WESTERN POTTER COUNTIES...

AT 319 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR ELK RIVER...
MOVING NORTHEAST AT 25 MPH.

WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.

THIS STORM WILL BE NEAR SIZERVILLE AROUND 330 PM...KEATING SUMMIT
AROUND 340 PM...ROULETTE AROUND 350 PM AND COUDERSPORT AROUND 400 PM.

LAT...LON 4171 7781 4148 7836 4156 7843 4161 7842
      4161 7848 4163 7849 4191 7799

EXPERIMENTAL

FORECASTER: KF

Special weather statement, Jul 25, 4:38 PM EDT, 36 minutes before

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Special weather statement, Jul 25, 4:54 PM EDT, 20 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
Jul 25, 6:36 AM EDT	Dense Fog Advisory	CTP	Columbia, Dauphin, Lancaster, Lebanon, Lycoming, Montour and 5 more	3 hr
Jul 25, 3:20 PM EDT	Special Weather Statement	CTP	Potter	40 min
Jul 25, 3:33 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clinton, McKean, Potter, Tioga	42 min
Jul 25, 4:38 PM EDT	Special Weather Statement	CTP	Tioga	52 min
Jul 25, 4:54 PM EDT	Special Weather Statement	CTP	Snyder	36 min
Jul 25, 5:22 PM EDT	Special Weather Statement	CTP	Fulton	23 min
Jul 25, 5:46 PM EDT	Special Weather Statement	CTP	Huntingdon	29 min
Jul 25, 7:15 PM EDT	Special Weather Statement	CTP	Schuylkill	45 min
Jul 25, 7:57 PM EDT	Special Weather Statement	CTP	Schuylkill	18 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2009 Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.