Alert archive / Pennsylvania / Special Weather Statements in 2025

Special Weather Statement, NWS State College, PA

April 4, 2025Lancaster County, Pennsylvania

NWS State College, PA issued this special weather statement at Apr 4, 2025, 4:02 AM EDT for Lancaster County, Pennsylvania. It was in force for 13 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: Apr 4, 2025, 4:02 AM EDT (08:02 UTC)
Expired: Apr 4, 2025, 4:15 AM EDT
In force: 13 min
Issued by: NWS State College, PA
Hail: 0.00 in
Wind: 50

County Lancaster County, PA

The radar

The Dover AFB radar (KDOX), 136 km from the middle of the area, began a volume at 08:03 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 8.0 hours before the alert went out and 159 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: 391 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1083 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.9

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 Apr 4, 3:20 AM EDT, 42 minutes earlier.

Area forecast discussion, Apr 4, 3:20 AM EDT, 42 minutes before

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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Apr 3, 8:52 PM EDT, 7 hours 10 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
852 PM EDT Thu Apr 3 2025

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-050100-
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-
852 PM EDT Thu Apr 3 2025

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

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, Apr 4, 3:02 AM EDT, 1 hour before

Special Weather Statement
National Weather Service State College PA
302 AM EDT Fri Apr 4 2025

PAZ056-057-063-065-040730-
Perry PA-York PA-Cumberland PA-Dauphin PA-
302 AM EDT Fri Apr 4 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN YORK...SOUTHERN
DAUPHIN...NORTHEASTERN CUMBERLAND AND EAST CENTRAL PERRY COUNTIES
THROUGH 330 AM EDT...

At 301 AM EDT, Doppler radar was tracking a strong thunderstorm over
Hogestown, moving east at 55 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Mechanicsburg, Harrisburg International Airport, Skyline View,
Hummelstown, Messiah College, Camp Hill, Lawnton, Hogestown,
Carlisle, Colonial Park, Bressler-Enhaut-Oberlin, Rutherford,
Middletown, Harrisburg, New Cumberland, Linglestown, Harrisburg Area
Community College, Penbrook, Lower Allen, and City Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4019 7721 4032 7721 4042 7666 4020 7657
      4017 7664 4015 7706
TIME...MOT...LOC 0701Z 259DEG 50KT 4025 7699

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Colbert

Special weather statement, Apr 4, 3:08 AM EDT, 54 minutes before

Special Weather Statement
National Weather Service State College PA
308 AM EDT Fri Apr 4 2025

PAZ036-063-064-040745-
Adams PA-Franklin PA-Cumberland PA-
308 AM EDT Fri Apr 4 2025

...STRONG THUNDERSTORMS WILL IMPACT WESTERN ADAMS...FRANKLIN AND
SOUTHWESTERN CUMBERLAND COUNTIES THROUGH 345 AM EDT...

At 308 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Doylesburg to St. Thomas to Mercersburg.
Movement was east at 50 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Orrstown, St. Thomas, Whitetail Ski Area, Quincy, Wayne Heights,
Scotland, Fort Loudon, Chambersburg, Pine Grove Furnace, Williamson,
Mercersburg, State Line, Guilford, Claylick, Willow Hill, Upton,
Fannettsburg, Shippensburg University, Fayetteville, and Newville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3973 7808 3987 7798 3997 7793 4013 7778
      4020 7724 3998 7726 3987 7736 3972 7746
TIME...MOT...LOC 0708Z 268DEG 44KT 4017 7773 3996 7774 3980 7793

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Colbert

Special weather statement, Apr 4, 3:25 AM EDT, 37 minutes before

Special Weather Statement
National Weather Service State College PA
325 AM EDT Fri Apr 4 2025

PAZ057-059-065-066-040800-
York PA-Lancaster PA-Lebanon PA-Dauphin PA-
325 AM EDT Fri Apr 4 2025

...STRONG THUNDERSTORMS WILL IMPACT LANCASTER...CENTRAL YORK...
SOUTHEASTERN DAUPHIN AND LEBANON COUNTIES THROUGH 400 AM EDT...

At 325 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Penn National Race Course to Mount Wolf to York
Airport. Movement was east at 55 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
York Haven, Harrisburg International Airport, Cornwall, Buck, York
Airport, Valley View, Lawn, Stonybrook-Wilshire, Red Lion,
Millersville University, Reinholds, Holtwood, Loganville,
Elizabethtown College, New Holland, Avon Heights, East York, Blue
Ball, Manheim, and Rothsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3991 7697 3995 7697 4043 7667 4041 7631
      4036 7623 4036 7620 4031 7614 4023 7602
      4003 7606 3977 7630
TIME...MOT...LOC 0725Z 277DEG 47KT 4038 7667 4010 7672 3992 7689

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Colbert

Special weather statement, Apr 4, 3:40 AM EDT, 22 minutes before

Special Weather Statement
National Weather Service State College PA
340 AM EDT Fri Apr 4 2025

PAZ064-065-040815-
York PA-Adams PA-
340 AM EDT Fri Apr 4 2025

...A STRONG THUNDERSTORM WILL IMPACT ADAMS AND SOUTHWESTERN YORK
COUNTIES THROUGH 415 AM EDT...

At 340 AM EDT, Doppler radar was tracking a strong thunderstorm over
Gettysburg, moving east at 55 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Hanover, North York, Arendtsville, West York, York, York Airport,
Gettysburg National Military Park, Spring Grove, New Oxford,
Parkville, Gardners, Lake Meade, East Berlin, Bonneauville,
Glenville, Pennville, Heidlersburg, Biglerville, Gettysburg, and New
Salem.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3972 7745 3992 7747 4002 7725 4002 7671
      3972 7679
TIME...MOT...LOC 0740Z 273DEG 46KT 3987 7722

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Colbert

Special weather statement, Apr 4, 4:02 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service State College PA
402 AM EDT Fri Apr 4 2025

PAZ066-040815-
Lancaster PA-
402 AM EDT Fri Apr 4 2025

...STRONG THUNDERSTORMS WILL IMPACT EASTERN LANCASTER COUNTY THROUGH
415 AM EDT...

At 401 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Wyomissing to Paradise to Smithville. Movement
was east at 55 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Quarryville, Leacock, Buck, Smithville, Bareville, Dutch Wonderland,
Churchtown, Strasburg, Rawlinsville, Goodville, New Holland, Willow
Street, Blue Ball, Georgetown, Farmersville, Smoketown, Christiana,
White Horse, Terre Hill, and Refton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3985 7636 4000 7632 4018 7614 4014 7587
      4010 7594 4004 7594 3997 7599 3993 7600
      3987 7599 3987 7600 3985 7602 3979 7605
      3978 7609
TIME...MOT...LOC 0801Z 276DEG 46KT 4029 7595 4000 7609 3986 7623

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Colbert

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 3:02 AM EDT	Special Weather Statement	CTP	Dauphin	28 min
Apr 4, 3:08 AM EDT	Special Weather Statement	CTP	Cumberland, Franklin	37 min
Apr 4, 3:25 AM EDT	Special Weather Statement	CTP	Lancaster, Lebanon, York	35 min
Apr 4, 3:40 AM EDT	Special Weather Statement	CTP	Adams	35 min
Apr 4, 4:16 AM EDT	Special Weather Statement	CTP	York	44 min

Nearby

Special Weather Statements in Pennsylvania, 2025 Every special weather statement in 2025

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.