Alert archive / New Jersey / Wind Advisories in 2020

Wind Advisory 18, NWS Philadelphia/Mount Holly

December 23, 20204 states

NWS Philadelphia/Mount Holly issued this wind advisory at Dec 23, 2020, 3:23 PM EST for 4 states. It took effect at Dec 24, 2020, 6:00 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Dec 23, 2020, 3:23 PM EST (20:23 UTC)
In effect from
Dec 24, 2020, 6:00 PM EST
Expired
Dec 25, 2020, 4:56 AM EST
In force
11 hr
Issued by
NWS Philadelphia/Mount Holly
All 29 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, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 20:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.4 hours before the alert went out and 216 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2020-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2020-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.19395878Sfc1 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
1422 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

304 
WWUS71 KPHI 232023
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
323 PM EST Wed Dec 23 2020

DEZ004-NJZ014-024>026-241100-
/O.UPG.KPHI.HW.A.0003.201224T2300Z-201225T1200Z/
/O.NEW.KPHI.HW.W.0005.201224T2300Z-201225T1200Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
Including the cities of Rehoboth Beach, Sandy Hook, Ocean City, 
Atlantic City, and Long Beach Island
323 PM EST Wed Dec 23 2020

...HIGH WIND WARNING IN EFFECT FROM 6 PM THURSDAY TO 7 AM EST
FRIDAY...

* WHAT...South winds 30 to 40 mph with gusts up to 70 mph 
  expected.

* WHERE...In New Jersey, Eastern Monmouth, Atlantic Coastal Cape 
  May, Coastal Atlantic and Coastal Ocean. In Delaware, Delaware 
  Beaches.

* WHEN...From 6 PM Thursday to 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NJZ013-020-022-023-027-241100-
/O.UPG.KPHI.HW.A.0003.201224T2300Z-201225T1200Z/
/O.NEW.KPHI.HW.W.0005.201224T2300Z-201225T1200Z/
Western Monmouth-Ocean-Atlantic-Cape May-Southeastern Burlington-
Including the cities of Freehold, Jackson, Hammonton, 
Cape May Court House, and Wharton State Forest
323 PM EST Wed Dec 23 2020

...HIGH WIND WARNING IN EFFECT FROM 6 PM THURSDAY TO 7 AM EST
FRIDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 65 mph 
  expected.

* WHERE...Western Monmouth, Ocean, Atlantic, Cape May and 
  Southeastern Burlington.

* WHEN...From 6 PM Thursday to 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

DEZ001>003-MDZ012-015-019-020-NJZ010-012-015>019-021-PAZ070-071-
104-106-241100-
/O.NEW.KPHI.WI.Y.0018.201224T2300Z-201225T1000Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Somerset-Middlesex-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Cumberland-Delaware-Philadelphia-
Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Chestertown, Centreville, Easton, Denton, Somerville, 
New Brunswick, Trenton, Pennsville, Glassboro, Camden, 
Cherry Hill, Moorestown, Mount Holly, Millville, Media, 
Philadelphia, Norristown, Lansdale, Morrisville, and Doylestown
323 PM EST Wed Dec 23 2020

...WIND ADVISORY IN EFFECT FROM 6 PM THURSDAY TO 5 AM EST
FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph 
  expected.

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

* WHEN...From 6 PM Thursday to 5 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MPS
6 follow-up statements
863 
WWUS71 KPHI 240933
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
433 AM EST Thu Dec 24 2020

DEZ004-NJZ014-024>026-242245-
/O.CON.KPHI.HW.W.0005.201224T2300Z-201225T1200Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
Including the cities of Rehoboth Beach, Sandy Hook, Ocean City, 
Atlantic City, and Long Beach Island
433 AM EST Thu Dec 24 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
7 AM EST FRIDAY...

* WHAT...South winds 35 to 45 mph with gusts up to 65 mph 
  expected.

* WHERE...In New Jersey, Coastal Ocean, Atlantic Coastal Cape 
  May, Coastal Atlantic and Eastern Monmouth. In Delaware, 
  Delaware Beaches.

* WHEN...From 6 PM this evening to 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations 
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NJZ013-020-022-023-027-242245-
/O.CON.KPHI.HW.W.0005.201224T2300Z-201225T1200Z/
Western Monmouth-Ocean-Atlantic-Cape May-Southeastern Burlington-
Including the cities of Freehold, Jackson, Hammonton, 
Cape May Court House, and Wharton State Forest
433 AM EST Thu Dec 24 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
7 AM EST FRIDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 65 mph 
  expected.

* WHERE...Cape May, Ocean, Western Monmouth, Atlantic and 
  Southeastern Burlington.

* WHEN...From 6 PM this evening to 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations 
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NJZ001-007>009-PAZ054-055-060>062-101>103-105-242245-
/O.EXB.KPHI.WI.Y.0018.201224T2300Z-201225T1100Z/
Sussex-Warren-Morris-Hunterdon-Carbon-Monroe-Berks-Lehigh-
Northampton-Western Chester-Eastern Chester-Western Montgomery-
Upper Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Jim Thorpe, Stroudsburg, Reading, Allentown, 
Bethlehem, Easton, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie
433 AM EST Thu Dec 24 2020

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST
FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph 
  expected.

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

* WHEN...From 6 PM this evening to 6 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...The strongest winds will occur in the
  higher terrain. Secure any outdoor holiday decorations before 
  the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

DEZ001>003-MDZ012-015-019-020-NJZ010-012-015>019-021-PAZ070-071-
104-106-242245-
/O.EXT.KPHI.WI.Y.0018.201224T2300Z-201225T1100Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Somerset-Middlesex-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Cumberland-Delaware-Philadelphia-
Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Chestertown, Centreville, Easton, Denton, Somerville, 
New Brunswick, Trenton, Pennsville, Glassboro, Camden, 
Cherry Hill, Moorestown, Mount Holly, Millville, Media, 
Philadelphia, Norristown, Lansdale, Morrisville, and Doylestown
433 AM EST Thu Dec 24 2020

...WIND ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST
FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph 
  expected.

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

* WHEN...From 6 PM this evening to 6 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations 
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Staarmann
459 
WWUS71 KPHI 242016
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
316 PM EST Thu Dec 24 2020

DEZ003-251100-
/O.UPG.KPHI.WI.Y.0018.201224T2300Z-201225T1100Z/
/O.EXA.KPHI.HW.W.0005.201224T2300Z-201225T1200Z/
Inland Sussex-
Including the city of Georgetown
316 PM EST Thu Dec 24 2020

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 7 AM EST
FRIDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...Inland Sussex.

* WHEN...From 6 PM this evening to 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations 
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

DEZ004-NJZ014-024>026-251100-
/O.CON.KPHI.HW.W.0005.201224T2300Z-201225T1200Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
Including the cities of Rehoboth Beach, Sandy Hook, Ocean City, 
Atlantic City, and Long Beach Island
316 PM EST Thu Dec 24 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
7 AM EST FRIDAY...

* WHAT...South winds 30 to 40 mph with gusts up to 75 mph 
  expected.

* WHERE...In New Jersey, Coastal Ocean, Atlantic Coastal Cape 
  May, Coastal Atlantic and Eastern Monmouth. In Delaware, 
  Delaware Beaches.

* WHEN...From 6 PM this evening to 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations 
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NJZ013-020-022-023-027-251100-
/O.CON.KPHI.HW.W.0005.201224T2300Z-201225T1200Z/
Western Monmouth-Ocean-Atlantic-Cape May-Southeastern Burlington-
Including the cities of Freehold, Jackson, Hammonton, 
Cape May Court House, and Wharton State Forest
316 PM EST Thu Dec 24 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
7 AM EST FRIDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 65 mph 
  expected.

* WHERE...Cape May, Ocean, Western Monmouth, Atlantic and 
  Southeastern Burlington.

* WHEN...From 6 PM this evening to 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations 
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

DEZ001-002-MDZ012-015-019-020-NJZ010-012-015>019-021-PAZ070-071-
104-106-251100-
/O.EXT.KPHI.WI.Y.0018.201224T2300Z-201225T1200Z/
New Castle-Kent-Kent MD-Queen Annes-Talbot-Caroline-Somerset-
Middlesex-Mercer-Salem-Gloucester-Camden-Northwestern Burlington-
Cumberland-Delaware-Philadelphia-Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Dover, Chestertown, 
Centreville, Easton, Denton, Somerville, New Brunswick, Trenton, 
Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Millville, Media, Philadelphia, Norristown, 
Lansdale, Morrisville, and Doylestown
316 PM EST Thu Dec 24 2020

...WIND ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 7 AM EST
FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph 
  expected.

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

* WHEN...From 6 PM this evening to 7 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations 
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

NJZ001-007>009-PAZ054-055-060>062-101>103-105-251100-
/O.EXT.KPHI.WI.Y.0018.201224T2300Z-201225T1200Z/
Sussex-Warren-Morris-Hunterdon-Carbon-Monroe-Berks-Lehigh-
Northampton-Western Chester-Eastern Chester-Western Montgomery-
Upper Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Jim Thorpe, Stroudsburg, Reading, Allentown, 
Bethlehem, Easton, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie
316 PM EST Thu Dec 24 2020

...WIND ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 7 AM EST
FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph 
  expected.

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

* WHEN...From 6 PM this evening to 7 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Secure any outdoor holiday decorations 
  before the strong winds arrive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MPS
972 
WWUS71 KPHI 250344
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1044 PM EST Thu Dec 24 2020

DEZ002-NJZ021-251200-
/O.UPG.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
/O.EXA.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
Kent-Cumberland-
Including the cities of Dover and Millville
1044 PM EST Thu Dec 24 2020

...HIGH WIND WARNING IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 60 mph.

* WHERE...In New Jersey, Cumberland. In Delaware, Kent.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

DEZ004-NJZ014-024>026-251200-
/O.CON.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
Including the cities of Rehoboth Beach, Sandy Hook, Ocean City, 
Atlantic City, and Long Beach Island
1044 PM EST Thu Dec 24 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 30 to 40 mph with gusts up to 65 mph.

* WHERE...In New Jersey, Coastal Ocean, Atlantic Coastal Cape 
  May, Coastal Atlantic and Eastern Monmouth. In Delaware, 
  Delaware Beaches.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

DEZ003-NJZ013-020-022-023-027-251200-
/O.CON.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
Inland Sussex-Western Monmouth-Ocean-Atlantic-Cape May-
Southeastern Burlington-
Including the cities of Georgetown, Freehold, Jackson, Hammonton,
Cape May Court House, and Wharton State Forest
1044 PM EST Thu Dec 24 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 60 mph.

* WHERE...In New Jersey, Cape May, Ocean, Western Monmouth, 
  Atlantic and Southeastern Burlington. In Delaware, Inland 
  Sussex.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

DEZ001-MDZ012-015-019-020-NJZ010-012-015>019-PAZ070-071-104-106-
251200-
/O.CON.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
New Castle-Kent MD-Queen Annes-Talbot-Caroline-Somerset-Middlesex-
Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Delaware-
Philadelphia-Eastern Montgomery-Lower Bucks-
Including the cities of Wilmington, Chestertown, Centreville, 
Easton, Denton, Somerville, New Brunswick, Trenton, Pennsville, 
Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, 
Philadelphia, Norristown, Lansdale, Morrisville, and Doylestown
1044 PM EST Thu Dec 24 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 50 mph.

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

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

NJZ001-007>009-PAZ054-055-060>062-101>103-105-251200-
/O.CON.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
Sussex-Warren-Morris-Hunterdon-Carbon-Monroe-Berks-Lehigh-
Northampton-Western Chester-Eastern Chester-Western Montgomery-
Upper Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Jim Thorpe, Stroudsburg, Reading, Allentown, 
Bethlehem, Easton, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie
1044 PM EST Thu Dec 24 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 10 to 20 mph with gusts up to 45 mph.

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

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Johnson
394 
WWUS71 KPHI 250401
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1101 PM EST Thu Dec 24 2020

DEZ001-NJZ016>019-251200-
/O.UPG.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
/O.EXA.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
New Castle-Salem-Gloucester-Camden-Northwestern Burlington-
Including the cities of Wilmington, Pennsville, Glassboro, 
Camden, Cherry Hill, Moorestown, and Mount Holly
1101 PM EST Thu Dec 24 2020

...HIGH WIND WARNING IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 30 to 40 mph with gusts up to 60 mph.

* WHERE...In New Jersey, Salem, Gloucester, Camden and 
  Northwestern Burlington. In Delaware, New Castle.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

DEZ004-NJZ014-024>026-251200-
/O.CON.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
Including the cities of Rehoboth Beach, Sandy Hook, Ocean City, 
Atlantic City, and Long Beach Island
1101 PM EST Thu Dec 24 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 30 to 40 mph with gusts up to 65 mph.

* WHERE...In New Jersey, Coastal Ocean, Atlantic Coastal Cape 
  May, Coastal Atlantic and Eastern Monmouth. In Delaware, 
  Delaware Beaches.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

DEZ002-003-NJZ013-020>023-027-251200-
/O.CON.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
Kent-Inland Sussex-Western Monmouth-Ocean-Cumberland-Atlantic-
Cape May-Southeastern Burlington-
Including the cities of Dover, Georgetown, Freehold, Jackson, 
Millville, Hammonton, Cape May Court House, 
and Wharton State Forest
1101 PM EST Thu Dec 24 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 60 mph.

* WHERE...In New Jersey, Cape May, Ocean, Cumberland, Western 
  Monmouth, Atlantic and Southeastern Burlington. In Delaware, 
  Inland Sussex and Kent.

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

MDZ012-015-019-020-NJZ010-012-015-PAZ070-071-104-106-251200-
/O.CON.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
Kent MD-Queen Annes-Talbot-Caroline-Somerset-Middlesex-Mercer-
Delaware-Philadelphia-Eastern Montgomery-Lower Bucks-
Including the cities of Chestertown, Centreville, Easton, Denton,
Somerville, New Brunswick, Trenton, Media, Philadelphia, 
Norristown, Lansdale, Morrisville, and Doylestown
1101 PM EST Thu Dec 24 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 50 mph.

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

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

NJZ001-007>009-PAZ054-055-060>062-101>103-105-251200-
/O.CON.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
Sussex-Warren-Morris-Hunterdon-Carbon-Monroe-Berks-Lehigh-
Northampton-Western Chester-Eastern Chester-Western Montgomery-
Upper Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Jim Thorpe, Stroudsburg, Reading, Allentown, 
Bethlehem, Easton, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie
1101 PM EST Thu Dec 24 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...South winds 10 to 20 mph with gusts up to 45 mph.

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

* WHEN...Until 7 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Johnson
786 
WWUS71 KPHI 250820
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
320 AM EST Fri Dec 25 2020

DEZ001>004-NJZ016>019-021>025-027-250930-
/O.CAN.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Salem-Gloucester-
Camden-Northwestern Burlington-Cumberland-Atlantic-Cape May-
Atlantic Coastal Cape May-Coastal Atlantic-
Southeastern Burlington-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Pennsville, Glassboro, Camden, Cherry Hill, 
Moorestown, Mount Holly, Millville, Hammonton, 
Cape May Court House, Ocean City, Atlantic City, 
and Wharton State Forest
320 AM EST Fri Dec 25 2020

...HIGH WIND WARNING IS CANCELLED...

Winds have diminished behind an initial cold front. Gusts to 35
mph will still be possible through mid morning.

$$

MDZ012-015-019-020-PAZ054-055-060>062-070-071-101>106-250930-
/O.CAN.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
Kent MD-Queen Annes-Talbot-Caroline-Carbon-Monroe-Berks-Lehigh-
Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Chestertown, Centreville, Easton, Denton,
Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Norristown, Lansdale, Chalfont, 
Perkasie, Morrisville, and Doylestown
320 AM EST Fri Dec 25 2020

...WIND ADVISORY IS CANCELLED...

Winds have diminished behind an initial cold front. Gusts to 30
mph will still be possible through mid morning.

$$

NJZ014-026-251200-
/O.CON.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
Eastern Monmouth-Coastal Ocean-
Including the cities of Sandy Hook and Long Beach Island
320 AM EST Fri Dec 25 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph.

* WHERE...Coastal Ocean and Eastern Monmouth.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NJZ013-020-251200-
/O.CON.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
Western Monmouth-Ocean-
Including the cities of Freehold and Jackson
320 AM EST Fri Dec 25 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph.

* WHERE...Ocean and Western Monmouth.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NJZ010-012-015-251200-
/O.CON.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
Somerset-Middlesex-Mercer-
Including the cities of Somerville, New Brunswick, and Trenton
320 AM EST Fri Dec 25 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...

* WHAT...South winds 15 to 20 mph with gusts up to 45 mph.

* WHERE...Mercer, Middlesex and Somerset.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

NJZ001-007>009-251200-
/O.CON.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
Sussex-Warren-Morris-Hunterdon-
Including the cities of Newton, Washington, Morristown, 
and Flemington
320 AM EST Fri Dec 25 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...

* WHAT...South winds 15 to 20 mph with gusts up to 40 mph.

* WHERE...Morris, Hunterdon, Sussex and Warren.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Johnson
117 
WWUS71 KPHI 250956
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
456 AM EST Fri Dec 25 2020

NJZ013-014-020-026-251100-
/O.CAN.KPHI.HW.W.0005.000000T0000Z-201225T1200Z/
Western Monmouth-Eastern Monmouth-Ocean-Coastal Ocean-
Including the cities of Freehold, Sandy Hook, Jackson, 
and Long Beach Island
456 AM EST Fri Dec 25 2020

...HIGH WIND WARNING IS CANCELLED...

Winds have diminished and should continue to diminish for the next
several hours. Therefore, the high wind warning has been cancelled.

$$

NJZ001-007>010-012-015-251100-
/O.CAN.KPHI.WI.Y.0018.000000T0000Z-201225T1200Z/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-
Including the cities of Newton, Washington, Morristown, 
Flemington, Somerville, New Brunswick, and Trenton
456 AM EST Fri Dec 25 2020

...WIND ADVISORY IS CANCELLED...

Winds have diminished and should continue to diminish for the next
several hours. Therefore, the wind advisory has been cancelled.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 4:11 AM ESTHigh Wind WatchPHISussex11 hr
Dec 23, 3:23 PM ESTHigh Wind WarningPHIKent, New Castle, Sussex38 hr
Dec 23, 3:56 AM ESTStorm WatchPHI11 hr
Dec 23, 3:24 PM ESTGale WarningPHI24 hr
Dec 23, 3:24 PM ESTStorm WarningPHI38 hr

Nearby

Wind Advisories in New Jersey, 2020Wind Advisories in Pennsylvania, 2020Wind Advisories in Maryland, 2020Every wind advisory in 2020

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.