Alert archive / Pennsylvania / Winter Storm Watches in 2021

Winter Storm Watch 2, NWS Philadelphia/Mount Holly

January 30, 2021Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this winter storm watch at Jan 30, 2021, 3:44 PM EST for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at Jan 31, 2021, 5:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 30, 2021, 3:44 PM EST (20:44 UTC)
In effect from
Jan 31, 2021, 5:00 PM EST
Expired
Jan 30, 2021, 9:36 PM EST
In force
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA

The radar

The Philadelphia radar (KDIX), 140 km from the middle of the area, began a volume at 20:48 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, 8.7 hours before the alert went out and 201 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 2021-01-30Temperature 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 2021-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
1037 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

444 
WWUS41 KPHI 302044
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
344 PM EST Sat Jan 30 2021

DEZ001-MDZ012-015-019-310945-
/O.UPG.KPHI.WS.A.0001.210131T1100Z-210202T1100Z/
/O.NEW.KPHI.WS.W.0001.210131T1200Z-210202T1500Z/
New Castle-Kent MD-Queen Annes-Talbot-
Including the cities of Wilmington, Chestertown, Centreville, 
and Easton
344 PM EST Sat Jan 30 2021

...WINTER STORM WARNING IN EFFECT FROM 7 AM SUNDAY TO 10 AM EST
TUESDAY...

* WHAT...Heavy mixed precipitation expected. Total snow 
  accumulations of 5 to 8 inches and ice accumulations of around 
  one tenth of an inch. Winds gusting as high as 35 mph.

* WHERE...In Maryland, Kent MD, Queen Annes and Talbot. In 
  Delaware, New Castle.

* WHEN...From 7 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday or early Tuesday. A period
  of wintry mix or rain is expected to occur Sunday night and
  Monday morning before turning back to snow by late Monday.

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.

&&

$$

NJZ016-017-PAZ070-101-102-310945-
/O.UPG.KPHI.WS.A.0001.210131T1100Z-210202T1100Z/
/O.NEW.KPHI.WS.W.0001.210131T1500Z-210202T1500Z/
Salem-Gloucester-Delaware-Western Chester-Eastern Chester-
Including the cities of Pennsville, Glassboro, Media, 
Honey Brook, Oxford, West Chester, and Kennett Square
344 PM EST Sat Jan 30 2021

...WINTER STORM WARNING IN EFFECT FROM 10 AM SUNDAY TO 10 AM EST
TUESDAY...

* WHAT...Heavy mixed precipitation expected. Total snow and sleet
  accumulations of 7 to 13 inches and ice accumulations of a 
  light glaze. Winds gusting as high as 40 mph.

* WHERE...In New Jersey, Salem and Gloucester. In Pennsylvania, 
  Delaware, Western Chester and Eastern Chester.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday or early Tuesday. A period
  of wintry mix or rain is expected to occur Sunday night and
  Monday morning before turning back to snow by Monday afternoon.

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.

&&

$$

NJZ018-310945-
/O.UPG.KPHI.WS.A.0001.210131T2300Z-210202T1100Z/
/O.NEW.KPHI.WS.W.0001.210131T1500Z-210202T1500Z/
Camden-
Including the cities of Camden and Cherry Hill
344 PM EST Sat Jan 30 2021

...WINTER STORM WARNING IN EFFECT FROM 10 AM SUNDAY TO 10 AM EST
TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 12
  inches. Winds gusting as high as 45 mph.

* WHERE...Camden.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute.

* ADDITIONAL DETAILS...Snow will develop west to east mid-day
  Sunday and last through late Monday or early Tuesday. A period 
  of wintry mix or rain is expected to occur Sunday night and 
  Monday morning before turning back to snow by Monday afternoon.

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.

&&

$$

NJZ013-014-019-020-027-PAZ060-071-103-104-310945-
/O.UPG.KPHI.WS.A.0001.210131T2300Z-210202T1100Z/
/O.NEW.KPHI.WS.W.0001.210131T1800Z-210202T1500Z/
Western Monmouth-Eastern Monmouth-Northwestern Burlington-Ocean-
Southeastern Burlington-Berks-Philadelphia-Western Montgomery-
Eastern Montgomery-
Including the cities of Freehold, Sandy Hook, Moorestown, 
Mount Holly, Jackson, Wharton State Forest, Reading, 
Philadelphia, Collegeville, Pottstown, Norristown, and Lansdale
344 PM EST Sat Jan 30 2021

...WINTER STORM WARNING IN EFFECT FROM 1 PM SUNDAY TO 10 AM EST
TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 7 to 13
  inches. Winds gusting as high as 45 mph.

* WHERE...Portions of central and southern New Jersey and east 
  central and southeast Pennsylvania.

* WHEN...From 1 PM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The
  hazardous conditions could impact the morning or evening
  commute. Gusty winds could bring down tree branches.

* ADDITIONAL DETAILS...Snow will develop west to east mid-day
  Sunday and last through late Monday or early Tuesday. A period 
  of wintry mix or rain is expected to occur Sunday night and 
  Monday morning before turning back to snow by Monday afternoon.

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.

&&

$$

NJZ007>010-012-015-PAZ061-062-105-106-310945-
/O.UPG.KPHI.WS.A.0001.210131T2300Z-210202T1100Z/
/O.NEW.KPHI.WS.W.0001.210131T2200Z-210202T1800Z/
Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Lehigh-
Northampton-Upper Bucks-Lower Bucks-
Including the cities of Washington, Morristown, Flemington, 
Somerville, New Brunswick, Trenton, Allentown, Bethlehem, Easton,
Chalfont, Perkasie, Morrisville, and Doylestown
344 PM EST Sat Jan 30 2021

...WINTER STORM WARNING IN EFFECT FROM 5 PM SUNDAY TO 1 PM EST
TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 11 to 
  15 inches. Winds gusting as high as 35 mph.

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

* WHEN...From 5 PM Sunday to 1 PM EST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The
  hazardous conditions could impact the morning or evening
  commute.

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.

&&

$$

DEZ002-MDZ020-310945-
/O.UPG.KPHI.WS.A.0001.210131T1100Z-210202T1100Z/
/O.NEW.KPHI.WW.Y.0003.210131T1500Z-210202T1500Z/
Kent-Caroline-
Including the cities of Dover and Denton
344 PM EST Sat Jan 30 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM
EST TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 6 inches.
  Winds gusting as high as 40 mph.

* WHERE...In Maryland, Caroline. In Delaware, Kent.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday. A period of wintry mix and
  rain is expected to occur Sunday night and Monday morning before
  turning back to snow by late Monday.

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.

&&

$$

NJZ026-310945-
/O.UPG.KPHI.WS.A.0001.210131T2300Z-210202T1100Z/
/O.NEW.KPHI.WW.Y.0003.210131T1500Z-210202T1500Z/
Coastal Ocean-
Including the city of Long Beach Island
344 PM EST Sat Jan 30 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM
EST TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 
  inches. Winds gusting as high as 55 mph.

* WHERE...Coastal Ocean.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute. Strong 
  winds could cause tree damage.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday. A period of wintry mix and
  rain is expected to occur Sunday night and Monday morning before
  turning back to snow by late Monday.

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.

&&

$$

NJZ021>023-310945-
/O.UPG.KPHI.WS.A.0001.210131T1100Z-210202T1100Z/
/O.NEW.KPHI.WW.Y.0003.210131T1500Z-210202T1500Z/
Cumberland-Atlantic-Cape May-
Including the cities of Millville, Hammonton, 
and Cape May Court House
344 PM EST Sat Jan 30 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM
EST TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 inches.
  Winds gusting as high as 50 mph.

* WHERE...Cumberland, Atlantic and Cape May.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday. A period of wintry mix and
  rain is expected to occur Sunday night and Monday morning before
  turning back to snow by late Monday.

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.

&&

$$

DEZ003-310945-
/O.NEW.KPHI.WW.Y.0003.210131T1500Z-210202T1500Z/
Inland Sussex-
Including the city of Georgetown
344 PM EST Sat Jan 30 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM
EST TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches.
  Winds gusting as high as 50 mph.

* WHERE...Inland Sussex.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday. A period of wintry mix and
  rain is expected to occur Sunday night and Monday morning before
  turning back to snow by late Monday.

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.

&&

$$

NJZ025-310945-
/O.NEW.KPHI.WW.Y.0003.210131T1500Z-210202T1500Z/
Coastal Atlantic-
Including the city of Atlantic City
344 PM EST Sat Jan 30 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM
EST TUESDAY...

* WHAT...Snow expected. Total snow accumulations of up to two 
  inches. Winds gusting as high as 55 mph.

* WHERE...Coastal Atlantic.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute. Gusty 
  winds could bring down tree branches.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday. A period of wintry mix and
  rain is expected to occur Sunday night and Monday morning before
  turning back to snow by late Monday.

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.

&&

$$

NJZ001-PAZ054-055-310945-
/O.NEW.KPHI.WS.A.0002.210131T2200Z-210202T1800Z/
Sussex-Carbon-Monroe-
Including the cities of Newton, Jim Thorpe, and Stroudsburg
344 PM EST Sat Jan 30 2021

...WINTER STORM WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
TUESDAY AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations of 9 to 
  12 inches possible.

* WHERE...In New Jersey, Sussex. In Pennsylvania, Carbon and 
  Monroe.

* WHEN...From Sunday afternoon through Tuesday afternoon.

* IMPACTS...Travel could be very difficult to impossible. The
  hazardous conditions could impact the morning or evening
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

Staarmann
1 follow-up statement
773 
WWUS41 KPHI 310236
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
936 PM EST Sat Jan 30 2021

NJZ001-PAZ054-055-311600-
/O.UPG.KPHI.WS.A.0002.210131T2200Z-210202T1800Z/
/O.EXA.KPHI.WS.W.0001.210131T2200Z-210202T1800Z/
Sussex-Carbon-Monroe-
Including the cities of Newton, Jim Thorpe, and Stroudsburg
936 PM EST Sat Jan 30 2021

...WINTER STORM WARNING IN EFFECT FROM 5 PM SUNDAY TO 1 PM EST
TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 12
  inches.

* WHERE...Carbon and Monroe Counties in Pennsylvania, and Sussex
  County in New Jersey.

* WHEN...From 5 PM Sunday to 1 PM EST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute.

* ADDITIONAL DETAILS...Snow will spread in from the southwest by
  Sunday evening and will likely last through early Tuesday. The
  heaviest snow is expected to occur on Monday, with snow
  gradually tapering off on Tuesday morning.

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-MDZ012-015-019-311600-
/O.CON.KPHI.WS.W.0001.210131T1200Z-210202T1500Z/
New Castle-Kent MD-Queen Annes-Talbot-
Including the cities of Wilmington, Chestertown, Centreville, 
and Easton
936 PM EST Sat Jan 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM SUNDAY TO
10 AM EST TUESDAY...

* WHAT...Heavy mixed precipitation expected. Total snow 
  accumulations of 5 to 8 inches and ice accumulations of around 
  one tenth of an inch. Winds gusting as high as 35 mph.

* WHERE...Kent, Queen Annes, and Talbot Counties in Maryland, and
  New Castle County in Delaware.

* WHEN...From 7 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday or early Tuesday. A period
  of mixed precipitation or rain, which may cut down on snow 
  totals, is expected to occur Sunday night and Monday morning 
  before turning back to snow by Monday afternoon.

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.

&&

$$

NJZ016>018-PAZ070-101-102-311600-
/O.CON.KPHI.WS.W.0001.210131T1500Z-210202T1500Z/
Salem-Gloucester-Camden-Delaware-Western Chester-Eastern Chester-
Including the cities of Pennsville, Glassboro, Camden, 
Cherry Hill, Media, Honey Brook, Oxford, West Chester, 
and Kennett Square
936 PM EST Sat Jan 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
10 AM EST TUESDAY...

* WHAT...Heavy mixed precipitation expected. Total snow and sleet
  accumulations of 6 to 12 inches and ice accumulations of a 
  light glaze. Winds gusting as high as 40 mph.

* WHERE...Salem, Gloucester, and Camden Counties in New Jersey, 
  and Delaware and Chester Counties in Pennsylvania.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday or early Tuesday. A period
  of mixed precipitation or rain, which may cut down on snow 
  totals, is expected to occur Sunday night and Monday morning 
  before turning back to snow by Monday afternoon.

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.

&&

$$

NJZ013-014-019-020-027-PAZ060-071-103-104-311600-
/O.CON.KPHI.WS.W.0001.210131T1800Z-210202T1500Z/
Western Monmouth-Eastern Monmouth-Northwestern Burlington-Ocean-
Southeastern Burlington-Berks-Philadelphia-Western Montgomery-
Eastern Montgomery-
Including the cities of Freehold, Sandy Hook, Moorestown, 
Mount Holly, Jackson, Wharton State Forest, Reading, 
Philadelphia, Collegeville, Pottstown, Norristown, and Lansdale
936 PM EST Sat Jan 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 PM SUNDAY TO
10 AM EST TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 12
  inches. Winds gusting as high as 45 mph.

* WHERE...Portions of central and southern New Jersey and east
  central and southeast Pennsylvania, including the Philadelphia
  metropolitan area.

* WHEN...From 1 PM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute. Gusty winds could bring down tree branches.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday or early Tuesday. A period
  of mixed precipitation or rain, which may cut down on snow 
  totals, is expected to occur Sunday night and Monday morning 
  before turning back to snow by Monday afternoon.

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.

&&

$$

NJZ007>010-012-015-PAZ061-062-105-106-311600-
/O.CON.KPHI.WS.W.0001.210131T2200Z-210202T1800Z/
Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Lehigh-
Northampton-Upper Bucks-Lower Bucks-
Including the cities of Washington, Morristown, Flemington, 
Somerville, New Brunswick, Trenton, Allentown, Bethlehem, Easton,
Chalfont, Perkasie, Morrisville, and Doylestown
936 PM EST Sat Jan 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM SUNDAY TO
1 PM EST TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 9 to 15
  inches. Winds gusting as high as 35 mph.

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

* WHEN...From 5 PM Sunday to 1 PM EST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute.

* ADDITIONAL DETAILS...Snow will spread in from the southwest by
  Sunday afternoon and will likely last through early Tuesday. The
  snow may become mixed with sleet or rain for a time on Sunday
  night before changing back to snow on Monday. Snow should
  gradually taper off Tuesday morning.

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.

&&

$$

DEZ002-003-MDZ020-311600-
/O.CON.KPHI.WW.Y.0003.210131T1500Z-210202T1500Z/
Kent-Inland Sussex-Caroline-
Including the cities of Dover, Georgetown, and Denton
936 PM EST Sat Jan 30 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO
10 AM EST TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 6 
  inches. Winds gusting as high as 40 mph.

* WHERE...Caroline County in Maryland, and Kent County in
  Delaware.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday or early Tuesday. A period
  of mixed precipitation or rain, which may significantly cut down
  on snow totals, is expected to occur Sunday night and Monday
  morning before turning back to snow by late Monday.

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.

&&

$$

NJZ021>023-025-026-311600-
/O.CON.KPHI.WW.Y.0003.210131T1500Z-210202T1500Z/
Cumberland-Atlantic-Cape May-Coastal Atlantic-Coastal Ocean-
Including the cities of Millville, Hammonton, 
Cape May Court House, Atlantic City, and Long Beach Island
936 PM EST Sat Jan 30 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO
10 AM EST TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 
  inches. Winds gusting as high as 55 mph.

* WHERE...Portions of southern and eastern New Jersey.

* WHEN...From 10 AM Sunday to 10 AM EST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute. Strong 
  winds could cause tree damage.

* ADDITIONAL DETAILS...Snow will develop west to east Sunday
  morning and last through late Monday or early Tuesday. A period
  of mixed precipitation or rain, which may significantly cut 
  down on snow totals, is expected to occur Sunday night and 
  Monday morning before turning back to snow by Monday afternoon.

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.

&&

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 3:44 PM ESTWinter Storm WarningPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more72 hr
Jan 29, 11:11 PM ESTSmall Craft AdvisoryPHI14 hr
Jan 30, 3:41 AM ESTGale WatchPHI12 hr
Jan 30, 3:41 AM ESTStorm WatchPHI12 hr
Jan 30, 2:13 PM ESTCoastal Flood WatchPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more24 hr
Jan 30, 3:36 PM ESTGale WarningPHI60 hr
Jan 30, 3:36 PM ESTStorm WarningPHI53 hr
Jan 30, 3:37 PM ESTWind AdvisoryPHICape May51 hr
Jan 30, 3:44 PM ESTWinter Weather AdvisoryPHIAtlantic, Cape May, Cumberland, Ocean72 hr

Nearby

Winter Storm Watches in Pennsylvania, 2021Winter Storm Watches in New Jersey, 2021Every winter storm watch in 2021

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.