Alert archive / Pennsylvania / Cold Weather Advisories in 2025

Cold Weather Advisory 6, NWS Philadelphia/Mount Holly

December 14, 2025Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this cold weather advisory at Dec 14, 2025, 4:51 PM EST for Carbon County, Monroe County, Pennsylvania. It took effect at Dec 14, 2025, 9:00 PM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 14, 2025, 4:51 PM EST (21:51 UTC)
In effect from
Dec 14, 2025, 9:00 PM EST
Expired
Dec 15, 2025, 9:00 AM EST
In force
12 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 140 km from the middle of the area, began a volume at 21:54 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

Albany, NY (KALY), launched 12:00Z, 9.9 hours before the alert went out and 236 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, Albany, NY at 12:00Z on 2025-12-14Temperature 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, Albany, NY at 12:00Z on 2025-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -181 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
970 m above ground
0-6 km bulk shear
119 kt
0-1 km storm-relative helicity
-181 m²/s²
0-3 km storm-relative helicity
74 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 cold weather advisory 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 cold weather advisory went out at Dec 14, 2:54 PM EST, 1 hour 57 minutes earlier.

Area forecast discussion, Dec 14, 2:54 PM EST, 1 hour 57 minutes before
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Hazardous weather outlook, Dec 14, 5:09 AM EST, 11 hours 42 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
509 AM EST Sun Dec 14 2025

MDZ012-015-019-020-151015-
Kent MD-Queen Annes-Talbot-Caroline-
509 AM EST Sun Dec 14 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

This Hazardous Weather Outlook is for northeast Maryland.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Weather Advisory.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Wind chill values will drop into the single digits early Monday
morning.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

In the hours before

Local storm report, Dec 14, 3:48 PM EST, 1 hour 3 minutes before
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Local storm report, Dec 14, 3:50 PM EST, 1 hour 1 minute before
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Local storm report, Dec 14, 3:52 PM EST, 59 minutes before
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Local storm report, Dec 14, 3:54 PM EST, 57 minutes before
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Local storm report, Dec 14, 3:57 PM EST, 54 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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      </p>
      <p id="message2">
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Local storm report, Dec 14, 4:27 PM EST, 24 minutes before
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      <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.
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      <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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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 14, 12:29 AM ESTWinter Storm WarningPHIBurlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 1 more13 hr

Nearby

Cold Weather Advisories in Pennsylvania, 2025Every cold weather advisory 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.