Alert archive / New Jersey / Coastal Flood Warnings in 2026

Coastal Flood Warning 1, NWS Philadelphia/Mount Holly

February 21, 20266 counties in New Jersey; Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this coastal flood warning at Feb 21, 2026, 2:45 PM EST for 6 counties in New Jersey; Kent County, Sussex County, Delaware. It took effect at Feb 22, 2026, 9:00 PM EST. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 21, 2026, 2:45 PM EST (19:45 UTC)
In effect from
Feb 22, 2026, 9:00 PM EST
Expired
Feb 23, 2026, 4:46 AM EST
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 47 km from the middle of the area, began a volume at 19:46 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 12:00Z, 7.8 hours before the alert went out and 212 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 12:00Z on 2026-02-21Temperature 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 12:00Z on 2026-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -89 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
763 m above ground
0-6 km bulk shear
123 kt
0-1 km storm-relative helicity
-89 m²/s²
0-3 km storm-relative helicity
-25 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 coastal flood warning 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 coastal flood warning went out at Feb 21, 12:51 PM EST, 1 hour 54 minutes earlier.

Area forecast discussion, Feb 21, 12:51 PM EST, 1 hour 54 minutes before
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Hazardous weather outlook, Feb 21, 5:49 AM EST, 8 hours 56 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
549 AM EST Sat Feb 21 2026

MDZ012-015-019-020-221100-
Kent MD-Queen Annes-Talbot-Caroline-
549 AM EST Sat Feb 21 2026

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY AFTERNOON...

This Hazardous Weather Outlook is for northeast Maryland.

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

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

   Winter Storm Watch.

.SPOTTER INFORMATION STATEMENT...

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

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 2:36 AM ESTStorm WatchPHI12 hr
Feb 21, 3:27 AM ESTBlizzard WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more58 hr
Feb 21, 3:27 AM ESTWinter Storm WarningPHIBurlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 6 more58 hr
Feb 21, 2:23 PM ESTGale WarningPHI51 hr
Feb 21, 2:23 PM ESTStorm WarningPHI47 hr

Nearby

Coastal Flood Warnings in New Jersey, 2026Coastal Flood Warnings in Delaware, 2026Every coastal flood 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.