Alert archive / Pennsylvania / Special Weather Statements in 2025

Special Weather Statement, NWS Philadelphia/Mount Holly

February 14, 2025Lehigh County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Feb 14, 2025, 3:22 AM EST for Lehigh County, Pennsylvania. It was in force for 23 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
Feb 14, 2025, 3:22 AM EST (08:22 UTC)
Expired
Feb 14, 2025, 3:45 AM EST
In force
23 min
Issued by
NWS Philadelphia/Mount Holly

County Lehigh County, PA

The radar

The Philadelphia radar (KDIX), 126 km from the middle of the area, began a volume at 08:26 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

Brookhaven, NY (KOKX), launched 00:00Z, 8.4 hours before the alert went out and 231 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2025-02-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2025-02-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -205 square meters per square second.1939587897117136156175Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
921 m above ground
0-6 km bulk shear
110 kt
0-1 km storm-relative helicity
-205 m²/s²
0-3 km storm-relative helicity
-242 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 Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at Feb 14, 2:57 AM EST, 25 minutes earlier.

Area forecast discussion, Feb 14, 2:57 AM EST, 25 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Feb 14, 3:03 AM EST, 19 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
303 AM EST Fri Feb 14 2025

PAZ060-101>104-140830-
Eastern Montgomery-Western Montgomery-Western Chester-Eastern
Chester-Berks-
303 AM EST Fri Feb 14 2025

...A SNOW SQUALL WILL AFFECT SOUTHEASTERN BERKS...NORTHWESTERN
MONTGOMERY AND NORTHEASTERN CHESTER COUNTIES...

At 300 AM EST, a snow squall was located over the Birdsboro area, or
7 miles southeast of Reading, moving southeast at 30 mph. This will
produce a quick burst of snow and a coating of snow, potentially
resulting in hazardous conditions for a time.

Locations impacted include...
Reading, West Chester, Norristown, Pottstown, Phoenixville, Lansdale,
West Norriton, East Norriton, Wyomissing, Downingtown, Birdsboro,
Collegeville, Royersford, Sinking Spring, Laureldale, Trappe,
Hatfield, Wernersville, Schwenksville, and Elverson.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 298 and 328.
 Northeast Extension between mile markers 23 and 34.
 Interstate 76 in Pennsylvania near mile marker 327.
 Interstate 176 in Pennsylvania between mile markers 1 and 11.

Use extra caution if you must travel into or through this snow
squall. Rapid changes in visibility and slick roads are likely.

LAT...LON 4033 7611 4046 7575 4023 7517 3993 7560
TIME...MOT...LOC 0800Z 306DEG 25KT 4028 7580

Gorse
Special weather statement, Feb 14, 3:22 AM EST, 0 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
322 AM EST Fri Feb 14 2025

PAZ061-140845-
Lehigh-
322 AM EST Fri Feb 14 2025

...A SNOW SQUALL WILL AFFECT LEHIGH COUNTY...

At 320 AM EST, a snow squall was located over the New Tripoli area,
or 12 miles south of Lehighton, moving southeast at 25 mph. This
will produce a quick burst of snow and a coating of snow,
potentially resulting in hazardous conditions for a time.

Locations impacted include...
Allentown, Bethlehem, Emmaus, Neffs, Wanamakers, Coffeetown, New
Tripoli, Zionsville, Jordan Valley, Ancient Oaks, Schnecksville,
Claussville, Catasauqua, Fountain Hill, Coplay, Macungie, North
Catasauqua, Coopersburg, Alburtis, and Fullerton.

This includes the following highways...
 Northeast Extension between mile markers 46 and 67.
 Interstate 78 in Pennsylvania between mile markers 45 and 63.

Use extra caution if you must travel into or through this snow
squall. Rapid changes in visibility and slick roads are likely.

LAT...LON 4068 7589 4070 7583 4076 7572 4071 7558
      4061 7539 4059 7539 4058 7541 4054 7533
      4042 7549
TIME...MOT...LOC 0820Z 299DEG 23KT 4065 7573

Gorse

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 14, 2:45 AM ESTSmall Craft AdvisoryPHI15 hr
Feb 14, 3:30 AM ESTWinter Weather AdvisoryPHIHunterdon, Morris, Somerset, Sussex, Warren57 hr
Feb 14, 3:43 AM ESTGale WatchPHI12 hr
Feb 14, 3:16 PM ESTGale WarningPHI27 hr
Feb 14, 3:16 PM ESTSmall Craft AdvisoryPHI39 hr
Feb 14, 3:03 AM ESTSpecial Weather StatementPHIMontgomery27 min
Feb 14, 3:31 AM ESTSpecial Weather StatementPHIMontgomery29 min
Feb 14, 3:46 AM ESTSpecial Weather StatementPHILehigh29 min
Feb 14, 3:55 AM ESTSnow Squall WarningPHIBucks, Lehigh35 min
Feb 14, 4:28 AM ESTSnow Squall WarningPHIBerks, Bucks, Lehigh, Montgomery47 min

Nearby

Special Weather Statements in Pennsylvania, 2025Every 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.