Alert archive / Delaware / Snow Squall Warnings in 2026

Snow Squall Warning 9, NWS Philadelphia/Mount Holly

January 1, 2026Kent County, Sussex County, Delaware; Caroline County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this snow squall warning at Jan 1, 2026, 6:31 AM EST for Kent County, Sussex County, Delaware; Caroline County, Talbot County, Maryland. It was in force for 44 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
Jan 1, 2026, 6:31 AM EST (11:31 UTC)
Expired
Jan 1, 2026, 7:15 AM EST
In force
44 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 43 km from the middle of the area, began a volume at 11:33 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, 11.5 hours before the alert went out and 132 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, Washington/Dulle, VA at 00:00Z on 2026-01-01Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2026-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 square meters per square second.1939587897Sfc1 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
1317 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

159 
WWUS51 KPHI 011131
SQWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
631 AM EST Thu Jan 1 2026

DEC001-005-MDC011-041-011215-
/O.NEW.KPHI.SQ.W.0009.260101T1131Z-260101T1215Z/
Sussex DE-Kent DE-Talbot MD-Caroline MD-
631 AM EST Thu Jan 1 2026

The National Weather Service in Mount Holly NJ has issued a

* Snow Squall Warning for...
  Sussex County in southern Delaware...
  Southern Kent County in central Delaware...
  Talbot County in eastern Maryland...
  Caroline County in eastern Maryland...

* Until 715 AM EST.

* At 631 AM EST, a dangerous snow squall was located along a line
  extending from near Bowers to near Oxford, moving southeast at 35
  mph.

  HAZARD...Flash freeze on roads. Intense bursts of heavy snow and 
           gusty winds leading to blowing snow and rapidly falling 
           visibility. Wind gusts up to 50 mph could knock down tree 
           limbs and blow around unsecured objects.

  SOURCE...Radar and webcams.

  IMPACT...Travel will become difficult and potentially dangerous 
           within minutes.

Locations impacted include...
Easton, Georgetown, Talbot, Milford, Seaford, Denton, Millsboro,
Laurel, Harrington, Lewes, Federalsburg, Milton, Selbyville,
Bridgeville, Delmar, Trappe, St. Michaels, Dagsboro, Preston, and
Oxford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Wet roadways will quickly freeze. Black ice will cause roads,
bridges, and overpasses to become slick and dangerous. Slow down and
be prepared for a sudden loss of traction.

Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.

&&

LAT...LON 3846 7569 3869 7577 3870 7590 3857 7604
      3870 7622 3870 7623 3876 7622 3871 7628
      3878 7629 3877 7632 3867 7634 3877 7638
      3883 7626 3879 7619 3881 7619 3912 7537
      3871 7489 3846 7498 3845 7498
TIME...MOT...LOC 1131Z 325DEG 31KT 3905 7535 3871 7620 

SNOW SQUALL...OBSERVED

$$

Gorse
1 follow-up statement
590 
WWUS51 KPHI 011149
SQWPHI

Snow Squall Warning
National Weather Service Mount Holly NJ
649 AM EST Thu Jan 1 2026

DEC001-005-MDC011-041-011215-
/O.CON.KPHI.SQ.W.0009.000000T0000Z-260101T1215Z/
Sussex DE-Kent DE-Talbot MD-Caroline MD-
649 AM EST Thu Jan 1 2026

...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 715 AM EST FOR
SUSSEX...SOUTHEASTERN KENT...SOUTHEASTERN TALBOT AND SOUTHERN
CAROLINE COUNTIES...

At 648 AM EST, a dangerous snow squall was located along a line
extending from 9 miles southeast of Big Stone Beach to near
Cambridge, moving southeast at 40 mph.

HAZARD...Flash freeze on roads. Intense bursts of heavy snow. Gusty 
         winds leading to blowing snow and rapidly falling 
         visibility. Wind gusts up to 50 mph could knock down tree 
         limbs and blow around unsecured objects.

SOURCE...Radar and webcams.

IMPACT...Travel will become difficult and potentially dangerous 
         within minutes.

Locations impacted include...
Georgetown, Milford, Seaford, Millsboro, Laurel, Harrington, Lewes,
Federalsburg, Milton, Bridgeville, Trappe, Dagsboro, Preston,
Millville, Ellendale, Henlopen Acres, Smithville, Gumboro, Cape
Henlopen State Park, and Agner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Wet roadways will quickly freeze. Black ice will cause roads,
bridges, and overpasses to become slick and dangerous. Slow down and
be prepared for a sudden loss of traction.

Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.

&&

LAT...LON 3846 7569 3864 7571 3869 7577 3871 7584
      3870 7590 3868 7593 3857 7604 3863 7608
      3862 7611 3863 7612 3905 7530 3875 7502
      3845 7498 3846 7505
TIME...MOT...LOC 1148Z 321DEG 33KT 3892 7518 3858 7603 

SNOW SQUALL...OBSERVED

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 4:44 AM ESTSnow Squall WarningPHINew Castle46 min
Jan 1, 5:34 AM ESTSnow Squall WarningPHIKent, New Castle56 min

Nearby

Snow Squall Warnings in Delaware, 2026Snow Squall Warnings in Maryland, 2026Every snow squall warning in 2026

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.