Alert archive / New Jersey / Wind Advisories in 2020

Wind Advisory 13, NWS Philadelphia/Mount Holly

November 1, 20204 states

NWS Philadelphia/Mount Holly issued this wind advisory at Nov 1, 2020, 3:10 AM EST for 4 states. It took effect at Nov 2, 2020, 4:00 AM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Nov 1, 2020, 3:10 AM EST (08:10 UTC)
In effect from
Nov 2, 2020, 4:00 AM EST
Expired
Nov 2, 2020, 3:00 PM EST
In force
11 hr
Issued by
NWS Philadelphia/Mount Holly
All 34 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil 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, Morris County, NJ, Ocean 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), 68 km from the middle of the area, began a volume at 08:09 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 00:00Z, 8.2 hours before the alert went out and 219 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 00:00Z on 2020-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2020-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

841 
WWUS71 KPHI 010810
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
310 AM EST Sun Nov 1 2020

DEZ004-NJZ014-024>026-011400-
/O.NEW.KPHI.WI.Y.0013.201102T0900Z-201103T0000Z/
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
310 AM EST Sun Nov 1 2020

...WIND ADVISORY IN EFFECT FROM 4 AM TO 7 PM EST MONDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph 
  expected.

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

* WHEN...From 4 AM to 7 PM EST Monday.

* 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.

&&

$$

DEZ001>003-MDZ008-012-015-019-020-NJZ016-021-023-011300-
/O.CON.KPHI.FR.Y.0012.000000T0000Z-201101T1300Z/
New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-
Caroline-Salem-Cumberland-Cape May-
Including the cities of Wilmington, Dover, Georgetown, Elkton, 
Chestertown, Centreville, Easton, Denton, Pennsville, Millville, 
and Cape May Court House
310 AM EST Sun Nov 1 2020

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING...

* WHAT...Temperatures as low as 39 will result in frost 
  formation.

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

* WHEN...Until 8 AM EST this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
Deal
4 follow-up statements
679 
WWUS71 KPHI 011120
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
620 AM EST Sun Nov 1 2020

DEZ001>003-MDZ008-012-015-019-020-NJZ016-021-023-011230-
/O.CAN.KPHI.FR.Y.0012.000000T0000Z-201101T1300Z/
New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-
Caroline-Salem-Cumberland-Cape May-
Including the cities of Wilmington, Dover, Georgetown, Elkton, 
Chestertown, Centreville, Easton, Denton, Pennsville, Millville, 
and Cape May Court House
620 AM EST Sun Nov 1 2020

...FROST ADVISORY IS CANCELLED...

Temperatures have warmed enough above freezing to preclude any
more concerns from frost.

$$

DEZ004-NJZ014-024>026-020030-
/O.CON.KPHI.WI.Y.0013.201102T0900Z-201103T0000Z/
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
620 AM EST Sun Nov 1 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 7 PM EST MONDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph 
  expected.

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

* WHEN...From 4 AM to 7 PM EST Monday.

* 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.

&&

$$
611 
WWUS71 KPHI 012008
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
308 PM EST Sun Nov 1 2020

DEZ001>003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-015>023-
027-PAZ054-055-060>062-070-071-101>106-020945-
/O.EXB.KPHI.WI.Y.0013.201102T0900Z-201102T2000Z/
New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-
Caroline-Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-
Western Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-
Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, Elkton, 
Chestertown, Centreville, Easton, Denton, Newton, Washington, 
Morristown, Flemington, Somerville, New Brunswick, Freehold, 
Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Jackson, Millville, Hammonton, Cape May Court House,
Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, 
Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, 
West Chester, Kennett Square, Collegeville, Pottstown, 
Norristown, Lansdale, Chalfont, Perkasie, Morrisville, 
and Doylestown
308 PM EST Sun Nov 1 2020

...WIND ADVISORY IN EFFECT FROM 4 AM TO 3 PM EST MONDAY...

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

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

* WHEN...From 4 AM to 3 PM EST Monday.

* 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.

&&

$$

DEZ004-NJZ014-024>026-020945-
/O.EXT.KPHI.WI.Y.0013.201102T0900Z-201102T2000Z/
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
308 PM EST Sun Nov 1 2020

...WIND ADVISORY NOW IN EFFECT FROM 4 AM TO 3 PM EST MONDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph 
  expected.

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

* WHEN...From 4 AM to 3 PM EST Monday.

* 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.

&&

$$
655 
WWUS71 KPHI 020852
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
352 AM EST Mon Nov 2 2020

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-070-071-101>106-022000-
/O.CON.KPHI.WI.Y.0013.201102T0900Z-201102T2000Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD-
Queen Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon-
Somerset-Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-
Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton,
Newton, Washington, Morristown, Flemington, Somerville, 
New Brunswick, Freehold, Sandy Hook, Trenton, 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, 
Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Norristown, Lansdale, Chalfont, 
Perkasie, Morrisville, and Doylestown
352 AM EST Mon Nov 2 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph 
  expected.

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

* WHEN...Until 3 PM EST this afternoon.

* 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.

&&

$$
567 
WWUS71 KPHI 022002
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
302 PM EST Mon Nov 2 2020

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-070-071-101>106-022115-
/O.EXP.KPHI.WI.Y.0013.000000T0000Z-201102T2000Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD-
Queen Annes-Talbot-Caroline-Sussex-Warren-Morris-Hunterdon-
Somerset-Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-
Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton,
Newton, Washington, Morristown, Flemington, Somerville, 
New Brunswick, Freehold, Sandy Hook, Trenton, 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, 
Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Norristown, Lansdale, Chalfont, 
Perkasie, Morrisville, and Doylestown
302 PM EST Mon Nov 2 2020

...WIND ADVISORY HAS EXPIRED...

Wind speeds will continue to diminish slowly into this evening. 
As a result, the wind advisory has been allowed to expire.

$$

Iovino

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 2:50 PM ESTSpecial Marine WarningPHI55 min

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.