Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 214, NWS State College, PA

October 4, 2006Lebanon County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Oct 4, 2006, 6:15 PM EDT for Lebanon County, Pennsylvania. It was in force for 45 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: Oct 4, 2006, 6:15 PM EDT (22:15 UTC)
Expired: Oct 4, 2006, 7:00 PM EDT
In force: 45 min
Issued by: NWS State College, PA
Area: Counties, with a storm outline in the text

County Lebanon County, PA

The radar

The State College radar (KCCX), 144 km from the middle of the area, began a volume at 22:16 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
Oct 4, 4:25 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.3 hours before the alert went out and 104 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: 6 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 1139 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Oct 4, 4:33 PM EDT, 1 hour 42 minutes earlier.

Area forecast discussion, Oct 4, 4:33 PM EDT, 1 hour 42 minutes before

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Hazardous weather outlook, Oct 4, 3:49 AM EDT, 14 hours 26 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
349 AM EDT WED OCT 4 2006

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-050800-
WARREN-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-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
349 AM EDT WED OCT 4 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT APPROACHING THE AREA TODAY WILL TRIGGER SHOWERS AND
THUNDERSTORMS OVER THE REGION. SOME OF THE THUNDERSTORMS MAY BE
SEVERE WITH STRONG DAMAGING WIND GUSTS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Special weather statement, Oct 4, 2:00 PM EDT, 4 hours 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
200 PM EDT WED OCT 4 2006

PAZ005-006-010>012-037-041-041900-
CAMERON-ELK-MCKEAN-NORTHERN CLINTON-NORTHERN LYCOMING-POTTER-TIOGA-
200 PM EDT WED OCT 4 2006

...STRONG THUNDERSTORMS WILL AFFECT CAMERON...ELK...MCKEAN...
POTTER...TIOGA...NORTHERN CLINTON AND NORTHERN LYCOMING COUNTIES...

AT 154 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES SOUTH OF
WELLSVILLE TO 15 MILES WEST OF RIDGWAY...MOVING EAST AT 40 MPH. THE
THUNDERSTORMS WILL BE NEAR ROULETTE...PORTLAND MILLS...NORWICH...
GENESEE AROUND 205 PM...RIDGWAY...KEATING SUMMIT...JOHNSONBURG...
AND EAST BRANCH DAM AROUND 210 PM...COUDERSPORT AND BRANDY CAMP
AROUND 215 PM.

THE STORMS WILL CONTINUE TO MOVE EAST AND AFFECT THE REMAINDER OF
THE NORTHERN TIER OF CENTRAL PENNSYLVANIA THROUGH 330 PM.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE
15...ROUTE 219...STATE ROAD 14...STATE ROAD 120...STATE ROAD 255...
STATE ROAD 449.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.

FORECASTER:  RXR

Special weather statement, Oct 4, 3:18 PM EDT, 2 hours 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
318 PM EDT WED OCT 4 2006

PAZ012-017-018-041945-
CLEARFIELD-NORTHERN CENTRE-NORTHERN CLINTON-
318 PM EDT WED OCT 4 2006

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN CENTRE...FAR NORTHEAST
CLEARFIELD AND NORTHERN CLINTON COUNTIES...

AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 21 MILES NORTHEAST OF CLEARFIELD...MOVING
SOUTHEAST AT 45 MPH. THE THUNDERSTORM WILL BE NEAR SNOW SHOE AROUND
330 PM. THE STORM WILL STAY OVER MAINLY RURAL AREAS OF THE SPROUL
STATE FOREST AS IT MOVES SOUTHEAST.

FORECASTER: DANGELO

Special weather statement, Oct 4, 4:33 PM EDT, 1 hour 42 minutes before

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Special weather statement, Oct 4, 5:13 PM EDT, 1 hour 2 minutes before

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Special weather statement, Oct 4, 5:42 PM EDT, 33 minutes before

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Special weather statement, Oct 4, 6:11 PM EDT, 4 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
Oct 4, 2:42 AM EDT	Dense Fog Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 18 more	5 hr
Oct 4, 3:43 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	47 min
Oct 4, 5:28 PM EDT	Severe Thunderstorm Warning	CTP	Snyder	32 min
Oct 4, 5:36 PM EDT	Severe Thunderstorm Warning	CTP	Northumberland	39 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2006 Every severe thunderstorm warning in 2006

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.