Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 16, NWS State College, PA

May 16, 2009Lancaster County, Lebanon County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 16, 2009, 8:30 PM EDT for Lancaster County, Lebanon County, Pennsylvania. It was in force for 47 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: May 16, 2009, 8:30 PM EDT (00:30 UTC)
Expired: May 16, 2009, 9:17 PM EDT
In force: 47 min
Issued by: NWS State College, PA
Area: Storm-based polygon

Counties Lancaster County, PA, Lebanon County, PA

The radar

The State College radar (KCCX), 161 km from the middle of the area, began a volume at 00:31 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.

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 May 16, 7:54 PM EDT, 36 minutes earlier.

Area forecast discussion, May 16, 7:54 PM EDT, 36 minutes before

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Hazardous weather outlook, May 16, 1:29 PM EDT, 7 hours 1 minute before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
129 PM EDT SAT MAY 16 2009

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-171730-
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-
129 PM EDT SAT MAY 16 2009

...SEVERE THUNDERSTORM WATCH 311 IN EFFECT UNTIL 8 PM EDT 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.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, May 16, 6:31 PM EDT, 1 hour 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
631 PM EDT SAT MAY 16 2009

PAZ036-063-162300-
CUMBERLAND PA-FRANKLIN PA-
631 PM EDT SAT MAY 16 2009

...STRONG THUNDERSTORMS WILL AFFECT SOUTHERN FRANKLIN AND
SOUTHWESTERN CUMBERLAND COUNTIES...

AT 629 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM
CHAMBERSBURG TO 12 MILES WEST OF GREENCASTLE...MOVING EAST AT 25 MPH.

WIND GUSTS TO 50 MPH...FREQUENT LIGHTNING AND SMALL HAIL ARE
POSSIBLE WITH THESE STORMS.

THESE STORMS WILL BE NEAR UPPER STRASBURG AROUND 640 PM...
CHAMBERSBURG AROUND 650 PM AND SHIPPENSBURG AROUND 700 PM.

LAT...LON 3973 7806 4000 7782 4010 7732 3998 7743
      3996 7747 3992 7748 3976 7763

EXPERIMENTAL

FORECASTER: KF/LA CORTE

Special weather statement, May 16, 6:35 PM EDT, 1 hour 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
635 PM EDT SAT MAY 16 2009

PAZ051-053-058-162315-
COLUMBIA PA-MONTOUR PA-SCHUYLKILL PA-
635 PM EDT SAT MAY 16 2009

...STRONG THUNDERSTORMS WILL AFFECT COLUMBIA...SCHUYLKILL AND
SOUTHEASTERN MONTOUR COUNTIES...

AT 634 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 14 MILES
NORTH OF BLOOMSBURG TO KULPMONT TO 14 MILES SOUTH OF SHAMOKIN...
MOVING EAST AT 35 MPH.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS.

THESE STORMS WILL BE NEAR CENTRAL AROUND 640 PM...SHUMANS AROUND 650
PM...TREMONT AROUND 700 PM...SUMMIT STATION AROUND 710 PM AND NEW
PHILADELPHIA AROUND 720 PM.

LAT...LON 4057 7608 4053 7650 4065 7670 4078 7639
      4083 7641 4083 7651 4087 7651 4090 7657
      4094 7657 4094 7659 4119 7657 4129 7643
      4130 7631 4120 7632 4114 7628 4114 7623
      4095 7620 4091 7603 4092 7600 4083 7590

EXPERIMENTAL

FORECASTER: KF/LA CORTE

Local storm report, May 16, 6:43 PM EDT, 1 hour 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
643 PM EDT SAT MAY 16 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0445 PM     TSTM WND DMG     MILLERTON               41.98N 76.95W
05/16/2009                   TIOGA              PA   EMERGENCY MNGR

            TREES/WIRES DOWN

&&

KPF

Special weather statement, May 16, 6:57 PM EDT, 1 hour 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
657 PM EDT SAT MAY 16 2009

PAZ036-063-064-162330-
ADAMS PA-CUMBERLAND PA-FRANKLIN PA-
657 PM EDT SAT MAY 16 2009

...STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN ADAMS...SOUTHEASTERN
FRANKLIN AND SOUTHWESTERN CUMBERLAND COUNTIES...

AT 656 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM
SHIPPENSBURG TO GREENCASTLE...MOVING EAST AT 20 MPH.

WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.

THESE STORMS WILL BE NEAR FAYETTEVILLE AROUND 710 PM...WALNUT BOTTOM
AROUND 720 PM AND PINE GROVE FURNACE AROUND 730 PM.

LAT...LON 4007 7761 4014 7714 3979 7750 3972 7795

EXPERIMENTAL

FORECASTER: KF

Special weather statement, May 16, 7:50 PM EDT, 40 minutes before

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Special weather statement, May 16, 7:58 PM EDT, 32 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
May 16, 8:10 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	65 min
May 16, 8:45 PM EDT	Areal Flood Advisory	CTP	Dauphin, Lebanon, Schuylkill	2 hr
May 16, 9:04 PM EDT	Special Weather Statement	CTP	Lancaster	71 min
May 16, 9:50 PM EDT	Freeze Watch	CTP	Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more	6 hr
May 16, 10:00 PM EDT	Areal Flood Advisory	CTP	Adams, Lancaster, York	2 hr
May 17, 3:20 AM EDT	Frost Advisory	CTP	Bedford, Blair, Centre, Clinton, Columbia, Cumberland and 14 more	30 hr
May 17, 3:20 AM EDT	Freeze Warning	CTP	Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more	30 hr

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.