Alert archive / Pennsylvania / Winter Storm Warnings in 2024

Winter Storm Warning 4, NWS Philadelphia/Mount Holly

February 16, 20248 counties in Pennsylvania; 8 counties in New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this winter storm warning at Feb 16, 2024, 3:28 PM EST for 8 counties in Pennsylvania; 8 counties in New Jersey; New Castle County, Delaware. It took effect at Feb 16, 2024, 10:00 PM EST. It was in force for 12 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 16, 2024, 3:28 PM EST (20:28 UTC)
In effect from
Feb 16, 2024, 10:00 PM EST
Expired
Feb 17, 2024, 9:41 AM EST
In force
12 hr
Issued by
NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Salem County, NJ, Somerset County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 69 km from the middle of the area, began a volume at 20:29 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.

What was reported inside it

TimeReportWhereRemark
Feb 17, 12:30 AM ESTSNOW 1.4Hellertown, PA
Feb 17, 12:43 AM ESTSNOW 2.4Huffs Church, PA
Feb 17, 12:43 AM ESTSNOW 5Huffs Church, PACorrects previous snow report from Huffs Church.
Feb 17, 12:49 AM ESTSNOW 6Lyons, PA
Feb 17, 1:00 AM ESTSNOW 2.3South River, NJSnow has fallen within the past hour and a half, with a snowfall ratio of 1.5 inches per hour.
Feb 17, 1:00 AM ESTSNOW 2.6Hellertown, PAUpdates previous snow report from Hellertown. Near 2 inch per hour snowfall rates.
Feb 17, 1:00 AM ESTSNOW 3.8North Princeton, NJ
Feb 17, 1:00 AM ESTSNOW 4.33 Wnw Rosemont, NJ3.8 inches of snow has fallen within the last hour. 4 inch per hour snowfall rate.
Feb 17, 1:00 AM ESTSNOW 4.33 Wnw Rosemont, NJ3.8 inches of snow has fallen within the last hour. 4 inch per hour snowfall rate.
Feb 17, 1:08 AM ESTSNOW 2North Brunswick, NJ
Feb 17, 1:15 AM ESTSNOW 2Woodsville, NJ
Feb 17, 1:30 AM ESTSNOW 5Flemington, NJ3 inch per hour snowfall rate.
Feb 17, 1:38 AM ESTSNOW 5.5Huffs Church, PASnow rates starting to slow down.
Feb 17, 1:40 AM ESTSNOW 4North Brunswick, NJUpdates previous snow report from North Brunswick. Snowfall rates of 4 inches per hour.
Feb 17, 1:43 AM ESTSNOW 5.61 S Allentown, PA
Feb 17, 1:45 AM ESTSNOW 5.7Bern Twp, PA
Feb 17, 1:50 AM ESTSNOW 4.5South River, NJUpdates previous snow report from South River. 2.2 inches within the last 50 minutes.
Feb 17, 1:55 AM ESTSNOW 7Readington Twp, NJ
Feb 17, 1:56 AM ESTSNOW 8Upper Saucon Twp, PA
Feb 17, 1:56 AM ESTSNOW 8Upper Saucon Twp, PA
Feb 17, 2:00 AM ESTSNOW 1Norristown, PA
Feb 17, 2:00 AM ESTSNOW 7.8Hellertown, PAUpdates previous snow report from Hellertown. 5.2 inches in the last hour. Snow still falling at time of the report.
Feb 17, 2:12 AM ESTSNOW 8Kintnersville, PAStill snowing.
Feb 17, 2:13 AM ESTSNOW 4Metuchen, NJ
Feb 17, 2:15 AM ESTSNOW 6Sayreville, NJSnow started around midnight. 3 inch per hour snowfall rate.
Feb 17, 2:15 AM ESTSNOW 6Sayreville, NJSnow started around midnight. 3 inch per hour snowfall rate.
Feb 17, 2:15 AM ESTSNOW 7.3Blandon, PA
Feb 17, 2:20 AM ESTSNOW 7.31 S Allentown, PAUpdates previous snow report from 1 S Allentown. 1.7 inches in the last 37 minutes.
Feb 17, 2:24 AM ESTSNOW 6.6Huffs Church, PAUpdates previous snow report from Huffs Church.
Feb 17, 2:27 AM ESTSNOW 11 W Levittown, PA
Feb 17, 2:27 AM ESTSNOW 11 W Levittown, PA
Feb 17, 2:27 AM ESTSNOW 6.3North Brunswick, NJUpdates previous snow report from North Brunswick. Snowfall rates down to near 2 inches per hour.
Feb 17, 2:29 AM ESTSNOW 51 W Hopelawn, NJ
Feb 17, 2:30 AM ESTSNOW 6.5South River, NJUpdates previous snow report from South River. 2.0 inches in the last 40 minutes.
Feb 17, 2:30 AM ESTSNOW 8Raritan Twp, NJ
Feb 17, 2:30 AM ESTSNOW 8Raritan Twp, NJ
Feb 17, 2:40 AM ESTSNOW 4.61 Nnw Bridgewater, NJ
Feb 17, 2:45 AM ESTSNOW 5South Plainfield, NJ
Feb 17, 2:45 AM ESTSNOW 5South Plainfield, NJ
Feb 17, 2:51 AM ESTSNOW 7Middlebush, NJ
Feb 17, 2:51 AM ESTSNOW 7Middlebush, NJ
Feb 17, 2:52 AM ESTSNOW 6North Princeton, NJUpdates previous report.
Feb 17, 2:52 AM ESTSNOW 6North Princeton, NJUpdates previous report.
Feb 17, 2:55 AM ESTSNOW 8Readington Twp, NJ
Feb 17, 2:59 AM ESTSNOW 81 Nnw Bartles Corners, NJ
Feb 17, 2:59 AM ESTSNOW 81 Nnw Bartles Corners, NJ
Feb 17, 3:00 AM ESTSNOW 10.8Hellertown, PAUpdates previous snow report from Hellertown. 3.0 inches in the last hour. Snow still falling at time of the report.
Feb 17, 3:10 AM ESTSNOW 8.5Stanton, NJ
Feb 17, 3:10 AM ESTSNOW 8.5Stanton, NJ
Feb 17, 3:14 AM ESTSNOW 6.31 N Metuchen, NJ2.5 inches within the last hour.
Feb 17, 3:15 AM ESTSNOW 7.3South River, NJUpdates previous snow report from South River. About 1 inch in the last 45 mins.
Feb 17, 3:20 AM ESTSNOW 7.31 N Kendall Park, NJ
Feb 17, 3:20 AM ESTSNOW 7.31 N Kendall Park, NJ
Feb 17, 3:21 AM ESTSNOW 5.71 Nnw Bridgewater, NJ
Feb 17, 3:23 AM ESTSNOW 12.1Macungie, PA
Feb 17, 3:28 AM ESTSNOW 12Lyons, PAUpdates previous report.
Feb 17, 3:28 AM ESTSNOW 12Lyons, PAUpdates previous report.
Feb 17, 3:30 AM ESTSNOW 11 S Mullica Hill, NJ
Feb 17, 3:35 AM ESTSNOW 1.8Mount Holly Wfo, NJModerate snow falling.
Feb 17, 3:50 AM ESTSNOW 13Holland Twp, NJ

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.5 hours before the alert went out and 211 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 2024-02-16Temperature 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, Brookhaven, NY at 12:00Z on 2024-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897117136156Sfc1 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
1544 m above ground
0-6 km bulk shear
122 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

887 
WWUS41 KPHI 162028
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
328 PM EST Fri Feb 16 2024

DEZ001-NJZ016>019-PAZ070-071-101-102-104-106-170930-
/O.UPG.KPHI.WW.Y.0007.240217T0300Z-240217T1500Z/
/O.NEW.KPHI.WS.W.0004.240217T0300Z-240217T1500Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Norristown, Lansdale, Morrisville, and Doylestown
328 PM EST Fri Feb 16 2024

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 6 
  inches.

* WHERE...Portions of northern Delaware, southern New Jersey and 
  southeast Pennsylvania.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Snow may briefly become heavy late tonight
  before tapering off early Saturday. Snowfall rates around 1.0" 
  per hour or greater will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NJZ001-008-170930-
/O.EXA.KPHI.WW.Y.0007.240217T0300Z-240217T1500Z/
Sussex-Morris-
Including the cities of Newton and Morristown
328 PM EST Fri Feb 16 2024

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...Sussex and Morris.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NJZ007-009-010-012>015-020-026-PAZ054-055-060>062-103-105-170930-
/O.CON.KPHI.WW.Y.0007.240217T0300Z-240217T1500Z/
Warren-Hunterdon-Somerset-Middlesex-Western Monmouth-
Eastern Monmouth-Mercer-Ocean-Coastal Ocean-Carbon-Monroe-Berks-
Lehigh-Northampton-Western Montgomery-Upper Bucks-
Including the cities of Washington, Flemington, Somerville, 
New Brunswick, Freehold, Sandy Hook, Trenton, Jackson, 
Long Beach Island, Jim Thorpe, Stroudsburg, Reading, Allentown, 
Bethlehem, Easton, Collegeville, Pottstown, Chalfont, 
and Perkasie
328 PM EST Fri Feb 16 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 10 AM EST SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches, locally up to 5 inches.

* WHERE...Portions of central, northern, northwest and southern 
  New Jersey and east central, northeast and southeast 
  Pennsylvania.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ002-MDZ012-015-019-020-NJZ021>023-027-170930-
/O.CON.KPHI.WW.Y.0007.240217T0300Z-240217T1500Z/
Kent-Kent MD-Queen Annes-Talbot-Caroline-Cumberland-Atlantic-
Cape May-Southeastern Burlington-
Including the cities of Dover, Chestertown, Centreville, Easton, 
Denton, Millville, Hammonton, Cape May Court House, 
and Wharton State Forest
328 PM EST Fri Feb 16 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 10 AM EST SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches, locally up to 5 inches.

* WHERE...Portions of central Delaware, northeast Maryland and 
  southern New Jersey.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ003-NJZ024-025-170930-
/O.CON.KPHI.WW.Y.0007.240217T0300Z-240217T1500Z/
Inland Sussex-Atlantic Coastal Cape May-Coastal Atlantic-
Including the cities of Georgetown, Ocean City, and Atlantic City
328 PM EST Fri Feb 16 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 10 AM EST SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...In Delaware, Inland Sussex. In New Jersey, Atlantic 
  Coastal Cape May and Coastal Atlantic.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
5 follow-up statements
639 
WWUS41 KPHI 170230
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
930 PM EST Fri Feb 16 2024

DEZ001-NJZ016>019-PAZ070-071-101-102-104-106-171500-
/O.CON.KPHI.WS.W.0004.240217T0300Z-240217T1500Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Norristown, Lansdale, Morrisville, and Doylestown
930 PM EST Fri Feb 16 2024

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 6 
  inches.

* WHERE...Portions of northern Delaware, southern New Jersey and 
  southeast Pennsylvania.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday. Snowfall rates 
  around 1.0" per hour or greater will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NJZ001-007>010-012>015-020-026-PAZ054-055-060>062-103-105-171500-
/O.CON.KPHI.WW.Y.0007.240217T0300Z-240217T1500Z/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-
Western Monmouth-Eastern Monmouth-Mercer-Ocean-Coastal Ocean-
Carbon-Monroe-Berks-Lehigh-Northampton-Western Montgomery-
Upper Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, 
Trenton, Jackson, Long Beach Island, Jim Thorpe, Stroudsburg, 
Reading, Allentown, Bethlehem, Easton, Collegeville, Pottstown, 
Chalfont, and Perkasie
930 PM EST Fri Feb 16 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...Sussex and Morris.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ002-MDZ012-015-019-020-NJZ021>023-027-171500-
/O.CON.KPHI.WW.Y.0007.240217T0300Z-240217T1500Z/
Kent-Kent MD-Queen Annes-Talbot-Caroline-Cumberland-Atlantic-
Cape May-Southeastern Burlington-
Including the cities of Dover, Chestertown, Centreville, Easton, 
Denton, Millville, Hammonton, Cape May Court House, 
and Wharton State Forest
930 PM EST Fri Feb 16 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches, locally up to 5 inches.

* WHERE...Portions of central Delaware, northeast Maryland and 
  southern New Jersey.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ003-NJZ024-025-171500-
/O.CON.KPHI.WW.Y.0007.240217T0300Z-240217T1500Z/
Inland Sussex-Atlantic Coastal Cape May-Coastal Atlantic-
Including the cities of Georgetown, Ocean City, and Atlantic City
930 PM EST Fri Feb 16 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...In Delaware, Inland Sussex. In New Jersey, Atlantic 
  Coastal Cape May and Coastal Atlantic.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
260 
WWUS41 KPHI 170610
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
110 AM EST Sat Feb 17 2024

NJZ009-010-015-PAZ060>062-103-105-171500-
/O.UPG.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
/O.EXA.KPHI.WS.W.0004.000000T0000Z-240217T1500Z/
Hunterdon-Somerset-Mercer-Berks-Lehigh-Northampton-
Western Montgomery-Upper Bucks-
Including the cities of Flemington, Somerville, Trenton, Reading,
Allentown, Bethlehem, Easton, Collegeville, Pottstown, Chalfont, 
and Perkasie
110 AM EST Sat Feb 17 2024

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 6 
  inches.

* WHERE...Portions of central, northern and northwest New Jersey 
  and east central and southeast Pennsylvania.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Under a localized heavy snow band hourly
  snow rates of up to 3 inches per hour are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ001-NJZ016>019-PAZ070-071-101-102-104-106-171500-
/O.CON.KPHI.WS.W.0004.000000T0000Z-240217T1500Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Norristown, Lansdale, Morrisville, and Doylestown
110 AM EST Sat Feb 17 2024

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 3 to 5 
  inches.

* WHERE...Portions of northern Delaware, southern New Jersey and 
  southeast Pennsylvania.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Localized heavy snow bands could result in
  snowfall rates around 2" per hour will be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NJZ001-007-008-012>014-020-026-PAZ054-055-171500-
/O.CON.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Sussex-Warren-Morris-Middlesex-Western Monmouth-Eastern Monmouth-
Ocean-Coastal Ocean-Carbon-Monroe-
Including the cities of Newton, Washington, Morristown, 
New Brunswick, Freehold, Sandy Hook, Jackson, Long Beach Island, 
Jim Thorpe, and Stroudsburg
110 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...Portions of central, northern and southern New Jersey 
  and northeast Pennsylvania.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ002-MDZ012-015-019-020-NJZ021>023-027-171500-
/O.CON.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Kent-Kent MD-Queen Annes-Talbot-Caroline-Cumberland-Atlantic-
Cape May-Southeastern Burlington-
Including the cities of Dover, Chestertown, Centreville, Easton, 
Denton, Millville, Hammonton, Cape May Court House, 
and Wharton State Forest
110 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of up to 4 inches.

* WHERE...Portions of central Delaware, northeast Maryland and 
  southern New Jersey.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ003-NJZ024-025-171500-
/O.CON.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Inland Sussex-Atlantic Coastal Cape May-Coastal Atlantic-
Including the cities of Georgetown, Ocean City, and Atlantic City
110 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of up to two inches.

* WHERE...In Delaware, Inland Sussex. In New Jersey, Atlantic 
  Coastal Cape May and Coastal Atlantic.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow may briefly become heavy late 
  tonight before tapering off early Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Johnson
275 
WWUS41 KPHI 170706
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
206 AM EST Sat Feb 17 2024

NJZ012-171500-
/O.UPG.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
/O.EXA.KPHI.WS.W.0004.000000T0000Z-240217T1500Z/
Middlesex-
Including the city of New Brunswick
206 AM EST Sat Feb 17 2024

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 6 
  inches.

* WHERE...Middlesex.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Localized heavy snow bands could result in
  snowfall rates around 3 inches per hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ001-NJZ009-010-015>019-PAZ060>062-070-071-101>106-171500-
/O.CON.KPHI.WS.W.0004.000000T0000Z-240217T1500Z/
New Castle-Hunterdon-Somerset-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Berks-Lehigh-Northampton-Delaware-
Philadelphia-Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Flemington, Somerville, 
Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Reading, Allentown, Bethlehem, Easton, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Norristown, Lansdale, Chalfont, 
Perkasie, Morrisville, and Doylestown
206 AM EST Sat Feb 17 2024

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 3 to 5 
  inches.

* WHERE...Portions of northern Delaware, central, northern, 
  northwest and southern New Jersey and east central and 
  southeast Pennsylvania.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Localized heavy snow bands could result in
  snowfall rates around 3 inches per hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NJZ001-007-008-013-014-020-026-PAZ054-055-171500-
/O.CON.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Sussex-Warren-Morris-Western Monmouth-Eastern Monmouth-Ocean-
Coastal Ocean-Carbon-Monroe-
Including the cities of Newton, Washington, Morristown, Freehold,
Sandy Hook, Jackson, Long Beach Island, Jim Thorpe, 
and Stroudsburg
206 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...Portions of central, northern and southern New Jersey 
  and northeast Pennsylvania.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ002-MDZ012-015-019-020-NJZ021>023-027-171500-
/O.CON.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Kent-Kent MD-Queen Annes-Talbot-Caroline-Cumberland-Atlantic-
Cape May-Southeastern Burlington-
Including the cities of Dover, Chestertown, Centreville, Easton, 
Denton, Millville, Hammonton, Cape May Court House, 
and Wharton State Forest
206 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of up to 3 inches.

* WHERE...Portions of central Delaware, northeast Maryland and 
  southern New Jersey.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

DEZ003-NJZ024-025-171500-
/O.CON.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Inland Sussex-Atlantic Coastal Cape May-Coastal Atlantic-
Including the cities of Georgetown, Ocean City, and Atlantic City
206 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of up to two inches.

* WHERE...In Delaware, Inland Sussex. In New Jersey, Atlantic 
  Coastal Cape May and Coastal Atlantic.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Johnson
358 
WWUS41 KPHI 171130
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
630 AM EST Sat Feb 17 2024

DEZ001-NJZ016>019-PAZ070-071-101-102-104-171230-
/O.CAN.KPHI.WS.W.0004.000000T0000Z-240217T1500Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Eastern Montgomery-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Norristown, and Lansdale
630 AM EST Sat Feb 17 2024

...WINTER STORM WARNING IS CANCELLED...

Swath of steady snow is quickly moving out of the region. Though
some light snow may linger for the next few hours, little 
additional accumulation is expected. Therefore the winter storm 
warning has been cancelled for areas mostly along and south of the
95 and 195 corridors.

$$

DEZ002-003-MDZ012-015-019-020-NJZ020>027-171230-
/O.CAN.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-Ocean-
Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-Southeastern Burlington-
Including the cities of Dover, Georgetown, Chestertown, 
Centreville, Easton, Denton, Jackson, Millville, Hammonton, 
Cape May Court House, Ocean City, Atlantic City, 
Long Beach Island, and Wharton State Forest
630 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY IS CANCELLED...

Swath of steady snow is quickly moving out of the region. Though
some light snow may linger for the next few hours, little 
additional accumulation is expected. Therefore the winter weather 
advisory has been cancelled for areas mostly along and south of 
the 95 and 195 corridors.

$$

NJZ009-010-012-015-PAZ060>062-103-105-106-171500-
/O.CON.KPHI.WS.W.0004.000000T0000Z-240217T1500Z/
Hunterdon-Somerset-Middlesex-Mercer-Berks-Lehigh-Northampton-
Western Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Flemington, Somerville, New Brunswick, 
Trenton, Reading, Allentown, Bethlehem, Easton, Collegeville, 
Pottstown, Chalfont, Perkasie, Morrisville, and Doylestown
630 AM EST Sat Feb 17 2024

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of up to two 
  inches.

* WHERE...Portions of central, northern and northwest New Jersey 
  and east central and southeast Pennsylvania.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Heaviest snow has left the region, and any
  additional snow accumulations are expected to be 2 inches or
  less. However, slippery conditions and treacherous driving 
  conditions are likely to continue, especially on untreated 
  surfaces for the next few hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NJZ001-007-008-013-014-PAZ054-055-171500-
/O.CON.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Sussex-Warren-Morris-Western Monmouth-Eastern Monmouth-Carbon-
Monroe-
Including the cities of Newton, Washington, Morristown, Freehold,
Sandy Hook, Jim Thorpe, and Stroudsburg
630 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of up to one inch.

* WHERE...Portions of central and northern New Jersey and 
  northeast Pennsylvania.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Johnson
799 
WWUS41 KPHI 171441
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
941 AM EST Sat Feb 17 2024

NJZ009-010-012-015-PAZ060>062-103-105-106-171545-
/O.CAN.KPHI.WS.W.0004.000000T0000Z-240217T1500Z/
Hunterdon-Somerset-Middlesex-Mercer-Berks-Lehigh-Northampton-
Western Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Flemington, Somerville, New Brunswick, 
Trenton, Reading, Allentown, Bethlehem, Easton, Collegeville, 
Pottstown, Chalfont, Perkasie, Morrisville, and Doylestown
941 AM EST Sat Feb 17 2024

...WINTER STORM WARNING IS CANCELLED...

Light snow may continue for the next hour or so however no 
significant snowfall is expected.

$$

NJZ001-007-008-013-014-PAZ054-055-171545-
/O.CAN.KPHI.WW.Y.0007.000000T0000Z-240217T1500Z/
Sussex-Warren-Morris-Western Monmouth-Eastern Monmouth-Carbon-
Monroe-
Including the cities of Newton, Washington, Morristown, Freehold,
Sandy Hook, Jim Thorpe, and Stroudsburg
941 AM EST Sat Feb 17 2024

...WINTER WEATHER ADVISORY IS CANCELLED...

Light snow may continue for the next hour or so however no 
significant snowfall is expected.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 16, 9:56 AM ESTSmall Craft AdvisoryPHI3 hr
Feb 16, 12:57 PM ESTSmall Craft AdvisoryPHI4 hr
Feb 16, 6:42 PM ESTSmall Craft AdvisoryPHI54 hr

Nearby

Winter Storm Warnings in Pennsylvania, 2024Winter Storm Warnings in New Jersey, 2024Winter Storm Warnings in Delaware, 2024Every winter storm warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.