Alert archive / Pennsylvania / Wind Advisories in 2020

Wind Advisory 9, NWS Philadelphia/Mount Holly

April 12, 20208 counties in Pennsylvania; 5 counties in New Jersey; Cecil County, Maryland

NWS Philadelphia/Mount Holly issued this wind advisory at Apr 12, 2020, 12:25 PM EDT for 8 counties in Pennsylvania; 5 counties in New Jersey; Cecil County, Maryland. It took effect at Apr 13, 2020, 6:00 AM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Apr 12, 2020, 12:25 PM EDT (16:25 UTC)
In effect from
Apr 13, 2020, 6:00 AM EDT
Expired
Apr 13, 2020, 4:56 PM EDT
In force
11 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Cecil County, MD, Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 16:25 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, 4.4 hours before the alert went out and 206 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 2020-04-12Temperature 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 2020-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
2062 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

670 
WWUS71 KPHI 121625
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1225 PM EDT Sun Apr 12 2020

DEZ004-NJZ013-014-020-022>027-130600-
/O.UPG.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/
/O.NEW.KPHI.HW.W.0002.200413T1000Z-200413T2300Z/
Delaware Beaches-Western Monmouth-Eastern Monmouth-Ocean-Atlantic-
Cape May-Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-
Southeastern Burlington-
Including the cities of Rehoboth Beach, Freehold, Sandy Hook, 
Jackson, Hammonton, Cape May Court House, Ocean City, 
Atlantic City, Long Beach Island, and Wharton State Forest
1225 PM EDT Sun Apr 12 2020

...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY...

* WHAT...South winds 30 to 40 mph with 60 to 70 mph gusts 
  expected.

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

* WHEN...From 6 AM to 7 PM EDT Monday.

* 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...Thunderstorms are possible on Monday that 
  could result in even stronger wind gusts.

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-NJZ012-015>019-021-PAZ070-071-104-
106-130600-
/O.UPG.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/
/O.NEW.KPHI.HW.W.0002.200413T1000Z-200413T2300Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
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, New Brunswick, Trenton,
Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Millville, Media, Philadelphia, Norristown, 
Lansdale, Morrisville, and Doylestown
1225 PM EDT Sun Apr 12 2020

...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY...

* WHAT...South winds 25 to 35 mph with 50 to 60 mph gusts 
  expected.

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

* WHEN...From 6 AM to 7 PM EDT Monday.

* 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...Thunderstorms are possible on Monday that 
  could result in even stronger wind gusts.

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.

&&

$$

MDZ008-NJZ008>010-PAZ101>103-105-130600-
/O.UPG.KPHI.HW.A.0001.200413T1000Z-200413T2300Z/
/O.NEW.KPHI.WI.Y.0009.200413T1000Z-200413T2300Z/
Cecil-Morris-Hunterdon-Somerset-Western Chester-Eastern Chester-
Western Montgomery-Upper Bucks-
Including the cities of Elkton, Morristown, Flemington, 
Somerville, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Chalfont, and Perkasie
1225 PM EDT Sun Apr 12 2020

...WIND ADVISORY IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY...

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

* WHERE...In New Jersey, Morris, Hunterdon and Somerset. In 
  Pennsylvania, Western Chester, Eastern Chester, Western 
  Montgomery and Upper Bucks. In Maryland, Cecil.

* WHEN...From 6 AM to 7 PM EDT Monday.

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

* ADDITIONAL DETAILS...Thunderstorms are possible on Monday that 
  could result in even stronger wind gusts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NJZ001-007-PAZ054-055-060>062-130600-
/O.NEW.KPHI.WI.Y.0009.200413T1000Z-200413T2300Z/
Sussex-Warren-Carbon-Monroe-Berks-Lehigh-Northampton-
Including the cities of Newton, Washington, Jim Thorpe, 
Stroudsburg, Reading, Allentown, Bethlehem, and Easton
1225 PM EDT Sun Apr 12 2020

...WIND ADVISORY IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY...

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

* WHERE...In New Jersey, Sussex and Warren. In Pennsylvania, 
  Carbon, Monroe, Berks, Lehigh and Northampton.

* WHEN...From 6 AM to 7 PM EDT Monday.

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

* ADDITIONAL DETAILS...Thunderstorms are possible on Monday that 
  could result in even stronger wind gusts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MPS
4 follow-up statements
884 
WWUS71 KPHI 121917
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
317 PM EDT Sun Apr 12 2020

DEZ004-NJZ013-014-020-022>027-131000-
/O.CON.KPHI.HW.W.0002.200413T1000Z-200413T2300Z/
Delaware Beaches-Western Monmouth-Eastern Monmouth-Ocean-Atlantic-
Cape May-Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-
Southeastern Burlington-
Including the cities of Rehoboth Beach, Freehold, Sandy Hook, 
Jackson, Hammonton, Cape May Court House, Ocean City, 
Atlantic City, Long Beach Island, and Wharton State Forest
317 PM EDT Sun Apr 12 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM TO 7 PM EDT
MONDAY...

* WHAT...South winds 25 to 35 mph with 60 to 70 mph gusts 
  expected.

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

* WHEN...From 6 AM to 7 PM EDT Monday.

* 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...Thunderstorms are possible on Monday that 
  could result in even stronger wind gusts.

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-NJZ012-015>019-021-PAZ070-071-104-
106-131000-
/O.CON.KPHI.HW.W.0002.200413T1000Z-200413T2300Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
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, New Brunswick, Trenton,
Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Millville, Media, Philadelphia, Norristown, 
Lansdale, Morrisville, and Doylestown
317 PM EDT Sun Apr 12 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM TO 7 PM EDT
MONDAY...

* WHAT...South winds 25 to 35 mph with 55 to 60 mph gusts 
  expected.

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

* WHEN...From 6 AM to 7 PM EDT Monday.

* 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...Thunderstorms are possible on Monday that 
  could result in even stronger wind gusts.

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.

&&

$$

MDZ008-NJZ001-007>010-PAZ054-055-060>062-101>103-105-131000-
/O.CON.KPHI.WI.Y.0009.200413T1000Z-200413T2300Z/
Cecil-Sussex-Warren-Morris-Hunterdon-Somerset-Carbon-Monroe-Berks-
Lehigh-Northampton-Western Chester-Eastern Chester-
Western Montgomery-Upper Bucks-
Including the cities of Elkton, Newton, Washington, Morristown, 
Flemington, Somerville, Jim Thorpe, Stroudsburg, Reading, 
Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie
317 PM EDT Sun Apr 12 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 7 PM EDT MONDAY...

* WHAT...South winds 15 to 25 mph with 45 to 55 mph gusts 
  expected.

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

* WHEN...From 6 AM to 7 PM EDT Monday.

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

* ADDITIONAL DETAILS...Thunderstorms are possible on Monday that 
  could result in even stronger wind gusts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MPS
797 
WWUS71 KPHI 130701
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
301 AM EDT Mon Apr 13 2020

DEZ004-NJZ013-014-020-022>027-132015-
/O.CON.KPHI.HW.W.0002.200413T1000Z-200413T2300Z/
Delaware Beaches-Western Monmouth-Eastern Monmouth-Ocean-Atlantic-
Cape May-Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-
Southeastern Burlington-
Including the cities of Rehoboth Beach, Freehold, Sandy Hook, 
Jackson, Hammonton, Cape May Court House, Ocean City, 
Atlantic City, Long Beach Island, and Wharton State Forest
301 AM EDT Mon Apr 13 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
7 PM EDT THIS EVENING...

* WHAT...South winds 25 to 40 mph with 60 to 70 mph gusts 
  expected.

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

* WHEN...From 6 AM this morning to 7 PM EDT this evening.

* 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...The strongest winds are forecast to occur
  from late morning into the afternoon. Thunderstorms are 
  possible on Monday that could result in even stronger wind 
  gusts.

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-NJZ012-015>019-021-PAZ070-071-104-
106-132015-
/O.CON.KPHI.HW.W.0002.200413T1000Z-200413T2300Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
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, New Brunswick, Trenton,
Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Millville, Media, Philadelphia, Norristown, 
Lansdale, Morrisville, and Doylestown
301 AM EDT Mon Apr 13 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
7 PM EDT THIS EVENING...

* WHAT...South winds 25 to 35 mph with 55 to 60 mph gusts 
  expected.

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

* WHEN...From 6 AM this morning to 7 PM EDT this evening.

* 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...The strongest winds are forecast to occur
  from late morning into the afternoon. Thunderstorms are 
  possible on Monday that could result in even stronger wind 
  gusts.

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.

&&

$$

MDZ008-NJZ001-007>010-PAZ054-055-060>062-101>103-105-132015-
/O.CON.KPHI.WI.Y.0009.200413T1000Z-200413T2300Z/
Cecil-Sussex-Warren-Morris-Hunterdon-Somerset-Carbon-Monroe-Berks-
Lehigh-Northampton-Western Chester-Eastern Chester-
Western Montgomery-Upper Bucks-
Including the cities of Elkton, Newton, Washington, Morristown, 
Flemington, Somerville, Jim Thorpe, Stroudsburg, Reading, 
Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie
301 AM EDT Mon Apr 13 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 7 PM
EDT THIS EVENING...

* WHAT...South winds 15 to 25 mph with 45 to 55 mph gusts 
  expected.

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

* WHEN...From 6 AM this morning to 7 PM EDT this evening.

* 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 are forecast to occur
  from late morning into the afternoon. Thunderstorms are 
  possible on Monday that could result in even stronger wind 
  gusts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Staarmann
816 
WWUS71 KPHI 131109
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
709 AM EDT Mon Apr 13 2020

DEZ004-NJZ013-014-020-022>027-132300-
/O.CON.KPHI.HW.W.0002.000000T0000Z-200413T2300Z/
Delaware Beaches-Western Monmouth-Eastern Monmouth-Ocean-Atlantic-
Cape May-Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-
Southeastern Burlington-
Including the cities of Rehoboth Beach, Freehold, Sandy Hook, 
Jackson, Hammonton, Cape May Court House, Ocean City, 
Atlantic City, Long Beach Island, and Wharton State Forest
709 AM EDT Mon Apr 13 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

* WHAT...South winds 25 to 40 mph with 60 to 70 mph gusts 
  expected.

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

* WHEN...Through 7 PM EDT this evening.

* 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...The strongest winds are forecast to occur 
  from late morning into the afternoon. Thunderstorms are 
  possible on Monday that could result in even stronger wind 
  gusts.

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-NJZ012-015>019-021-PAZ070-071-104-
106-132300-
/O.CON.KPHI.HW.W.0002.000000T0000Z-200413T2300Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
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, New Brunswick, Trenton,
Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Millville, Media, Philadelphia, Norristown, 
Lansdale, Morrisville, and Doylestown
709 AM EDT Mon Apr 13 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

* WHAT...South winds 25 to 35 mph with 55 to 60 mph gusts 
  expected.

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

* WHEN...Through 7 PM EDT this evening.

* 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...The strongest winds are forecast to occur 
  from late morning into the afternoon. Thunderstorms are 
  possible on Monday that could result in even stronger wind 
  gusts.

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.

&&

$$

MDZ008-NJZ001-007>010-PAZ054-055-060>062-101>103-105-132300-
/O.CON.KPHI.WI.Y.0009.000000T0000Z-200413T2300Z/
Cecil-Sussex-Warren-Morris-Hunterdon-Somerset-Carbon-Monroe-Berks-
Lehigh-Northampton-Western Chester-Eastern Chester-
Western Montgomery-Upper Bucks-
Including the cities of Elkton, Newton, Washington, Morristown, 
Flemington, Somerville, Jim Thorpe, Stroudsburg, Reading, 
Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie
709 AM EDT Mon Apr 13 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING...

* WHAT...South winds 15 to 25 mph with 45 to 55 mph gusts 
  expected.

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

* WHEN...Through 7 PM EDT this evening.

* 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 are forecast to occur 
  from late morning into the afternoon. Thunderstorms are 
  possible on Monday that could result in even stronger wind 
  gusts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
853 
WWUS71 KPHI 132056
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
456 PM EDT Mon Apr 13 2020

DEZ001>004-MDZ012-015-019-020-NJZ012>027-PAZ070-071-104-106-
132200-
/O.CAN.KPHI.HW.W.0002.000000T0000Z-200413T2300Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD-
Queen Annes-Talbot-Caroline-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-Delaware-Philadelphia-Eastern Montgomery-
Lower Bucks-
Including the cities of Wilmington, Dover, Georgetown, 
Rehoboth Beach, Chestertown, Centreville, Easton, Denton, 
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, Media, 
Philadelphia, Norristown, Lansdale, Morrisville, and Doylestown
456 PM EDT Mon Apr 13 2020

...HIGH WIND WARNING IS CANCELLED...

Synoptic winds from this morning's storm will continue to 
diminish and the threat for additional gradient winds is now over.

$$

MDZ008-NJZ001-007>010-PAZ054-055-060>062-101>103-105-132200-
/O.CAN.KPHI.WI.Y.0009.000000T0000Z-200413T2300Z/
Cecil-Sussex-Warren-Morris-Hunterdon-Somerset-Carbon-Monroe-Berks-
Lehigh-Northampton-Western Chester-Eastern Chester-
Western Montgomery-Upper Bucks-
Including the cities of Elkton, Newton, Washington, Morristown, 
Flemington, Somerville, Jim Thorpe, Stroudsburg, Reading, 
Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie
456 PM EDT Mon Apr 13 2020

...WIND ADVISORY IS CANCELLED...

Synoptic winds from this morning's storm will continue to 
diminish and the threat for additional gradient winds is now over.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 12:25 PM EDTHigh Wind WarningPHIBucks, Delaware, Montgomery, Philadelphia29 hr
Apr 12, 3:18 PM EDTCoastal Flood AdvisoryPHIBucks, Delaware, Philadelphia30 hr
Apr 12, 3:42 AM EDTSmall Craft AdvisoryPHI23 hr
Apr 12, 12:22 PM EDTStorm WarningPHI30 hr

Nearby

Wind Advisories in Pennsylvania, 2020Wind Advisories in New Jersey, 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.