Alert archive / New Jersey / Winter Weather Advisories in 2021

Winter Weather Advisory 6, NWS Philadelphia/Mount Holly

February 10, 20214 states

NWS Philadelphia/Mount Holly issued this winter weather advisory at Feb 10, 2021, 3:47 AM EST for 4 states. It took effect at Feb 10, 2021, 7:00 PM EST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Feb 10, 2021, 3:47 AM EST (08:47 UTC)
In effect from
Feb 10, 2021, 7:00 PM EST
Expired
Feb 11, 2021, 12:00 PM EST
In force
17 hr
Issued by
NWS Philadelphia/Mount Holly
All 27 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean 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, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 08:50 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 8.8 hours before the alert went out and 204 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, Wallops Is Stn, VA at 00:00Z on 2021-02-10Temperature 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, Wallops Is Stn, VA at 00:00Z on 2021-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939587897117Sfc1 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
1137 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

023 
WWUS41 KPHI 100847
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
347 AM EST Wed Feb 10 2021

DEZ002>004-MDZ012-015-019-020-102200-
/O.NEW.KPHI.WW.Y.0006.210211T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-
Caroline-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Chestertown, Centreville, Easton, and Denton
347 AM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations of
  1 to 3 inches and ice accumulations of a light glaze. Locally
  higher amounts are possible in areas without mixing.

* WHERE...In Maryland, Kent, Queen Annes, Talbot, and Caroline
  Counties. In Delaware, Kent and Sussex Counties.

* WHEN...From 7 PM this evening to noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is expected to move in from the west
  this evening, continuing through the Thursday morning commute, 
  before shifting east of the area by the midday hours. Snow may 
  mix with sleet, freezing rain, and rain late tonight into 
  Thursday morning, mainly in Talbot, Caroline, and Sussex 
  Counties.

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.

&&

$$

DEZ001-NJZ016>027-PAZ070-071-101-102-102200-
/O.NEW.KPHI.WW.Y.0006.210211T0000Z-210211T1700Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-
Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-Southeastern Burlington-Delaware-
Philadelphia-Western Chester-Eastern Chester-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville,
Hammonton, Cape May Court House, Ocean City, Atlantic City, 
Long Beach Island, Wharton State Forest, Media, Philadelphia, 
Honey Brook, Oxford, West Chester, and Kennett Square
347 AM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 
  inches.

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

* WHEN...From 7 PM this evening to noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west 
  by late this evening, continuing through the Thursday morning 
  commute, before shifting east of the area by the midday hours. 
  Although snow rates will not be particularly high, temperatures 
  are expected to be below freezing, so roads and sidewalks are 
  expected to become snow-covered.

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
8 follow-up statements
106 
WWUS41 KPHI 102020
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
320 PM EST Wed Feb 10 2021


NJZ012>015-PAZ104-106-110930-
/O.EXA.KPHI.WW.Y.0006.210211T0000Z-210211T1700Z/
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-
Eastern Montgomery-Lower Bucks-
Including the cities of New Brunswick, Freehold, Sandy Hook, 
Trenton, Norristown, Lansdale, Morrisville, and Doylestown
320 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
NOON EST THURSDAY...

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

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

* WHEN...From 7 PM this evening to noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west
  by late this evening, continuing through the Thursday morning 
  commute, before shifting east of the area by the midday hours. 
  Although snow rates will not be particularly high, temperatures 
  are expected to be below freezing, so roads and sidewalks are 
  expected to become snow-covered.


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>004-MDZ012-015-019-020-NJZ021>025-110930-
/O.CON.KPHI.WW.Y.0006.210211T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-
Caroline-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Chestertown, Centreville, Easton, Denton, Millville, Hammonton, 
Cape May Court House, Ocean City, and Atlantic City
320 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO NOON EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations of
  up to 4 inches and ice accumulations of a light glaze. 

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

* WHEN...From 7 PM this evening to noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is expected to move in from the west
  this evening before likely becoming mixed with sleet, freezing
  rain, and rain overnight in places, especially near the 
  Delaware Bay and Atlantic coastal areas. Mixed precipitation 
  winds down west to east by around midday Thursday. 


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.

&&

$$

DEZ001-NJZ016>020-026-027-PAZ070-071-101-102-110930-
/O.CON.KPHI.WW.Y.0006.210211T0000Z-210211T1700Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-
Coastal Ocean-Southeastern Burlington-Delaware-Philadelphia-
Western Chester-Eastern Chester-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, 
Long Beach Island, Wharton State Forest, Media, Philadelphia, 
Honey Brook, Oxford, West Chester, and Kennett Square
320 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO NOON EST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

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

* WHEN...From 7 PM this evening to noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west 
  by late this evening, continuing through the Thursday morning 
  commute, before shifting east of the area by the midday hours. 
  Although snow rates will not be particularly high, temperatures 
  are expected to be below freezing, so roads and sidewalks are 
  expected to become snow-covered.


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.

&&

$$

Fitzsimmons
194 
WWUS41 KPHI 102345
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
645 PM EST Wed Feb 10 2021

NJZ009-010-PAZ060-061-103-105-111200-
/O.EXB.KPHI.WW.Y.0006.210211T0000Z-210211T1500Z/
Hunterdon-Somerset-Berks-Lehigh-Western Montgomery-Upper Bucks-
Including the cities of Flemington, Somerville, Reading, 
Allentown, Collegeville, Pottstown, Chalfont, and Perkasie
645 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...

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

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

* WHEN...Until 10 AM EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west
  by late this evening, continuing through the Thursday morning
  commute, before shifting east of the area by late morning.
  Although snow rates will not be particularly high, temperatures
  are expected to be below freezing, so roads and sidewalks are
  expected to become snow-covered.

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>004-MDZ012-015-019-020-NJZ021>025-111200-
/O.CON.KPHI.WW.Y.0006.210211T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-
Caroline-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Chestertown, Centreville, Easton, Denton, Millville, Hammonton, 
Cape May Court House, Ocean City, and Atlantic City
645 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST 
THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of up to 4 inches and ice accumulations of a light glaze.

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

* WHEN...Until noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is expected to move in from the west 
  this evening before likely becoming mixed with sleet, freezing 
  rain, and rain overnight in places, especially near the Delaware
  Bay and Atlantic coastal areas. Mixed precipitation winds down 
  west to east by around midday Thursday.

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.

&&

$$

DEZ001-NJZ016>020-026-027-PAZ070-071-101-102-111200-
/O.CON.KPHI.WW.Y.0006.210211T0000Z-210211T1700Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-
Coastal Ocean-Southeastern Burlington-Delaware-Philadelphia-
Western Chester-Eastern Chester-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, 
Long Beach Island, Wharton State Forest, Media, Philadelphia, 
Honey Brook, Oxford, West Chester, and Kennett Square
645 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST 
THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

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

* WHEN...Until noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west 
  by late this evening, continuing through the Thursday morning 
  commute, before shifting east of the area by the midday hours. 
  Although snow rates will not be particularly high, temperatures 
  are expected to be below freezing, so roads and sidewalks are 
  expected to become snow-covered.

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.

&&

$$

NJZ012>015-PAZ104-106-111200-
/O.CON.KPHI.WW.Y.0006.210211T0000Z-210211T1700Z/
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-
Eastern Montgomery-Lower Bucks-
Including the cities of New Brunswick, Freehold, Sandy Hook, 
Trenton, Norristown, Lansdale, Morrisville, and Doylestown
645 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST 
THURSDAY...

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

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

* WHEN...Until noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west 
  by late this evening, continuing through the Thursday morning 
  commute, before shifting east of the area by the midday hours. 
  Although snow rates will not be particularly high, temperatures 
  are expected to be below freezing, so roads and sidewalks are 
  expected to become snow-covered.

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.

&&

$$
867 
WWUS41 KPHI 110232
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
932 PM EST Wed Feb 10 2021

DEZ002>004-MDZ012-015-019-020-NJZ021>025-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-
Caroline-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Chestertown, Centreville, Easton, Denton, Millville, Hammonton, 
Cape May Court House, Ocean City, and Atlantic City
932 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of up to 4 inches and ice accumulations of a light glaze.

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

* WHEN...Until noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is expected to move in from the west 
  this evening before likely becoming mixed with sleet, freezing 
  rain, and rain overnight in places, especially near the 
  Delaware Bay and Atlantic coastal areas. Mixed precipitation 
  winds down west to east by around midday Thursday.

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.

&&

$$

DEZ001-NJZ016>020-026-027-PAZ070-071-101-102-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-
Coastal Ocean-Southeastern Burlington-Delaware-Philadelphia-
Western Chester-Eastern Chester-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, 
Long Beach Island, Wharton State Forest, Media, Philadelphia, 
Honey Brook, Oxford, West Chester, and Kennett Square
932 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

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

* WHEN...Until noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west 
  by late this evening, continuing through the Thursday morning 
  commute, before shifting east of the area by the midday hours. 
  Although snow rates will not be particularly high, 
  temperatures are expected to be below freezing, so roads and 
  sidewalks are expected to become snow-covered.

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.

&&

$$

NJZ012>015-PAZ104-106-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-
Eastern Montgomery-Lower Bucks-
Including the cities of New Brunswick, Freehold, Sandy Hook, 
Trenton, Norristown, Lansdale, Morrisville, and Doylestown
932 PM EST Wed Feb 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
THURSDAY...

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

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

* WHEN...Until noon EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west 
  by late this evening, continuing through the Thursday morning 
  commute, before shifting east of the area by the midday hours. 
  Although snow rates will not be particularly high, 
  temperatures are expected to be below freezing, so roads and 
  sidewalks are expected to become snow-covered.

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.

&&

$$

NJZ009-010-PAZ060-061-103-105-111500-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1500Z/
Hunterdon-Somerset-Berks-Lehigh-Western Montgomery-Upper Bucks-
Including the cities of Flemington, Somerville, Reading, 
Allentown, Collegeville, Pottstown, Chalfont, and Perkasie
932 PM EST Wed Feb 10 2021

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

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

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

* WHEN...Until 10 AM EST Thursday.

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

* ADDITIONAL DETAILS...Snow is forecast to move in from the west 
  by late this evening, continuing through the Thursday morning 
  commute, before shifting east of the area by late morning. 
  Although snow rates will not be particularly high, 
  temperatures are expected to be below freezing, so roads and 
  sidewalks are expected to become snow-covered.

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.

&&

$$
623 
WWUS41 KPHI 110914
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
414 AM EST Thu Feb 11 2021

DEZ002>004-MDZ012-015-019-020-NJZ021>025-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-
Caroline-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Chestertown, Centreville, Easton, Denton, Millville, Hammonton, 
Cape May Court House, Ocean City, and Atlantic City
414 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

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

* WHEN...Until noon EST today.

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

* ADDITIONAL DETAILS...Light to moderate snow will continue
  through the morning, mixing with freezing rain at times,
  particularly across southern Delaware. Snow will taper off from
  northwest to southeast into the early afternoon with a few
  lingering snow showers possible through the rest of the day
  before another area of light snow works its way towards the
  region tonight.

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.

&&

$$

DEZ001-NJZ016>020-026-027-PAZ070-071-101-102-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-
Coastal Ocean-Southeastern Burlington-Delaware-Philadelphia-
Western Chester-Eastern Chester-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, 
Long Beach Island, Wharton State Forest, Media, Philadelphia, 
Honey Brook, Oxford, West Chester, and Kennett Square
414 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

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

* WHEN...Until noon EST today.

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

* ADDITIONAL DETAILS...Light to moderate snow will continue
  through the morning, gradually tapering off from northwest to
  southeast by the early afternoon. Cold temperatures will lead to
  result in greater snow accumulation on sidewalks and roadways. 

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.

&&

$$

NJZ012>015-PAZ104-106-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-
Eastern Montgomery-Lower Bucks-
Including the cities of New Brunswick, Freehold, Sandy Hook, 
Trenton, Norristown, Lansdale, Morrisville, and Doylestown
414 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

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

* WHEN...Until noon EST today.

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

* ADDITIONAL DETAILS...Light to moderate snow will continue
  through the morning, gradually tapering off from northwest to
  southeast by the early afternoon. Cold temperatures will lead to
  result in greater snow accumulation on sidewalks and roadways. 

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.

&&

$$

NJZ009-010-PAZ060-061-103-105-111500-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1500Z/
Hunterdon-Somerset-Berks-Lehigh-Western Montgomery-Upper Bucks-
Including the cities of Flemington, Somerville, Reading, 
Allentown, Collegeville, Pottstown, Chalfont, and Perkasie
414 AM EST Thu Feb 11 2021

...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 northern and northwest New Jersey and east 
  central and southeast Pennsylvania.

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

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

* ADDITIONAL DETAILS...Light to moderate snow will continue
  through the morning, gradually tapering off from northwest to
  southeast by the early afternoon. Cold temperatures will lead to
  result in greater snow accumulation on sidewalks and roadways. 

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.

&&

$$

Davis
021 
WWUS41 KPHI 111321
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
821 AM EST Thu Feb 11 2021

NJZ009-010-PAZ060-061-103-105-111430-
/O.CAN.KPHI.WW.Y.0006.000000T0000Z-210211T1500Z/
Hunterdon-Somerset-Berks-Lehigh-Western Montgomery-Upper Bucks-
Including the cities of Flemington, Somerville, Reading, 
Allentown, Collegeville, Pottstown, Chalfont, and Perkasie
821 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow has moved out of the area, so no additional accumulations 
are expected. However, untreated roadways may remain snow covered 
or slushy at times.

$$

NJZ012>015-PAZ104-106-111430-
/O.CAN.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-
Eastern Montgomery-Lower Bucks-
Including the cities of New Brunswick, Freehold, Sandy Hook, 
Trenton, Norristown, Lansdale, Morrisville, and Doylestown
821 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow has moved out of the area, so no additional accumulations 
are expected. However, untreated roadways may remain snow covered 
or slushy at times.

$$

DEZ002>004-MDZ012-015-019-020-NJZ021>025-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-
Caroline-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Chestertown, Centreville, Easton, Denton, Millville, Hammonton, 
Cape May Court House, Ocean City, and Atlantic City
821 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

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

* WHEN...Until noon EST today.

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

* ADDITIONAL DETAILS...Light to moderate snow will continue 
  through the morning, mixing with freezing rain at times, 
  particularly across southern Delaware. Snow will taper off 
  from northwest to southeast into the early afternoon with a 
  few lingering snow showers possible through the rest of the 
  day before another area of light snow works its way towards 
  the region tonight.

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.

&&

$$

DEZ001-NJZ016>020-026-027-PAZ070-071-101-102-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-
Coastal Ocean-Southeastern Burlington-Delaware-Philadelphia-
Western Chester-Eastern Chester-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, 
Long Beach Island, Wharton State Forest, Media, Philadelphia, 
Honey Brook, Oxford, West Chester, and Kennett Square
821 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

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

* WHEN...Until noon EST today.

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

* ADDITIONAL DETAILS...Light to moderate snow will continue 
  through the morning, gradually tapering off from northwest to 
  southeast by the early afternoon. Cold temperatures will lead 
  to result in greater snow accumulation on sidewalks and 
  roadways.

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.

&&

$$
619 
WWUS41 KPHI 111449
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
949 AM EST Thu Feb 11 2021

PAZ070-071-101-102-111600-
/O.CAN.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Delaware-Philadelphia-Western Chester-Eastern Chester-
Including the cities of Media, Philadelphia, Honey Brook, Oxford,
West Chester, and Kennett Square
949 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The accumulating snow has ended across the area. However, 
untreated roadways may remain snow covered or slushy at times.

$$

DEZ002>004-MDZ012-015-019-020-NJZ021>025-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-
Caroline-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Chestertown, Centreville, Easton, Denton, Millville, Hammonton, 
Cape May Court House, Ocean City, and Atlantic City
949 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

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

* WHEN...Until noon EST today.

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

* ADDITIONAL DETAILS...Light to moderate snow will continue 
  through the morning, mixing with freezing rain at times, 
  particularly across southern Delaware. Snow will taper off 
  from northwest to southeast into the early afternoon with a 
  few lingering snow showers possible through the rest of the 
  day before another area of light snow works its way towards 
  the region tonight.

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.

&&

$$

DEZ001-NJZ016>020-026-027-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-
Coastal Ocean-Southeastern Burlington-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, 
Long Beach Island, and Wharton State Forest
949 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

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

* WHEN...Until noon EST today.

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

* ADDITIONAL DETAILS...Light to moderate snow will continue 
  through the morning, gradually tapering off from northwest to 
  southeast by the early afternoon. Cold temperatures will lead 
  to result in greater snow accumulation on sidewalks and 
  roadways.

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.

&&

$$
703 
WWUS41 KPHI 111551
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
1051 AM EST Thu Feb 11 2021

DEZ001-MDZ012-NJZ016>020-026-027-111700-
/O.CAN.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
New Castle-Kent MD-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Coastal Ocean-
Southeastern Burlington-
Including the cities of Wilmington, Chestertown, Pennsville, 
Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson,
Long Beach Island, and Wharton State Forest
1051 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The accumulating snow has ended across the area. However, 
untreated roadways may remain snow covered or slushy at times.

$$

DEZ002>004-MDZ015-019-020-NJZ021>025-111700-
/O.CON.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Queen Annes-Talbot-Caroline-
Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Centreville, Easton, Denton, Millville, Hammonton, 
Cape May Court House, Ocean City, and Atlantic City
1051 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TODAY...

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

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

* WHEN...Until noon EST today.

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

* ADDITIONAL DETAILS...Light to moderate snow will continue 
  through the morning, mixing with freezing rain at times, 
  particularly across southern Delaware. Snow will taper off 
  from northwest to southeast into the early afternoon with a 
  few lingering snow showers possible through the rest of the 
  day before another area of light snow works its way towards 
  the region tonight.

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.

&&

$$
357 
WWUS41 KPHI 111652
WSWPHI

URGENT - WINTER WEATHER MESSAGE
National Weather Service Mount Holly NJ
1152 AM EST Thu Feb 11 2021

DEZ002>004-MDZ015-019-020-NJZ021>025-111800-
/O.EXP.KPHI.WW.Y.0006.000000T0000Z-210211T1700Z/
Kent-Inland Sussex-Delaware Beaches-Queen Annes-Talbot-Caroline-
Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May-
Coastal Atlantic-
Including the cities of Dover, Georgetown, Rehoboth Beach, 
Centreville, Easton, Denton, Millville, Hammonton, 
Cape May Court House, Ocean City, and Atlantic City
1152 AM EST Thu Feb 11 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON EST TODAY...

Snow will continue to dissipate and move offshore this afternoon.
While some light snow will continue for another hour or two into
this afternoon, little to no additional accumulation is expected.
Therefore the Winter Weather Advisory will be allowed to expire at
noon. However, untreated roadways may remain snow covered or 
slushy at times.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 4:04 PM ESTSmall Craft AdvisoryPHI39 hr

Nearby

Winter Weather Advisories in New Jersey, 2021Winter Weather Advisories in Pennsylvania, 2021Winter Weather Advisories in Maryland, 2021Every winter weather advisory 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.