Alert archive / New Jersey / Wind Advisories in 2020

Wind Advisory 3, NWS Philadelphia/Mount Holly

January 11, 20204 states

NWS Philadelphia/Mount Holly issued this wind advisory at Jan 11, 2020, 1:12 PM EST for 4 states. It took effect at Jan 12, 2020, 4:00 AM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 11, 2020, 1:12 PM EST (18:12 UTC)
In effect from
Jan 12, 2020, 4:00 AM EST
Expired
Jan 12, 2020, 12:57 PM EST
In force
9 hr
Issued by
NWS Philadelphia/Mount Holly
All 27 counties

New Castle County, DE, Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Camden 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), 65 km from the middle of the area, began a volume at 18:11 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, 6.2 hours before the alert went out and 201 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2020-01-11Temperature 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 2020-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 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
694 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
330 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

028 
WWUS71 KPHI 111812
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
112 PM EST Sat Jan 11 2020

NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-120715-
/O.NEW.KPHI.WI.Y.0003.200112T0900Z-200112T1800Z/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Carbon-
Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Somerville, New Brunswick, Trenton, Jim Thorpe, 
Stroudsburg, Reading, Allentown, Bethlehem, Easton, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Norristown, Lansdale, Chalfont, 
Perkasie, Morrisville, and Doylestown
112 PM EST Sat Jan 11 2020

...WIND ADVISORY IN EFFECT FROM 4 AM TO 1 PM EST SUNDAY...

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

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

* WHEN...From 4 AM to 1 PM EST Sunday.

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

* ADDITIONAL DETAILS...Winds will increase behind a line of
  showers with embedded thunderstorms Sunday morning. The
  strongest wind gusts are expected within a few hours after 
  daybreak on Sunday. Winds will diminish into the afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Staarmann
4 follow-up statements
918 
WWUS71 KPHI 120132
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
832 PM EST Sat Jan 11 2020

NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-121500-
/O.CON.KPHI.WI.Y.0003.200112T0900Z-200112T1800Z/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Carbon-
Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Somerville, New Brunswick, Trenton, Jim Thorpe, 
Stroudsburg, Reading, Allentown, Bethlehem, Easton, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Norristown, Lansdale, Chalfont, 
Perkasie, Morrisville, and Doylestown
832 PM EST Sat Jan 11 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 1 PM EST 
SUNDAY...

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

* WHERE...Eastern Pennsylvania, northern New Jersey and parts of 
  central New Jersey.

* WHEN...From 4:00 AM until 1:00 PM Sunday.

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

* ADDITIONAL DETAILS...Winds will increase behind a line of
  showers with embedded thunderstorms early on Sunday morning. The
  strongest wind gusts are expected within a few hours after
  daybreak on Sunday. Winds will diminish in the afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
859 
WWUS71 KPHI 120821
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
321 AM EST Sun Jan 12 2020

NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-121800-
/O.CON.KPHI.WI.Y.0003.200112T0900Z-200112T1800Z/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Carbon-
Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Somerville, New Brunswick, Trenton, Jim Thorpe, 
Stroudsburg, Reading, Allentown, Bethlehem, Easton, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Norristown, Lansdale, Chalfont, 
Perkasie, Morrisville, and Doylestown
321 AM EST Sun Jan 12 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

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

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

* WHEN...Until 1 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.

&&

$$
087 
WWUS71 KPHI 121107
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
607 AM EST Sun Jan 12 2020

DEZ001-MDZ008-NJZ013-014-016>022-025>027-121800-
/O.EXA.KPHI.WI.Y.0003.000000T0000Z-200112T1800Z/
New Castle-Cecil-Western Monmouth-Eastern Monmouth-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-Coastal Atlantic-Coastal Ocean-Southeastern Burlington-
Including the cities of Wilmington, Elkton, Freehold, Sandy Hook,
Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Jackson, Millville, Hammonton, Atlantic City, 
Long Beach Island, and Wharton State Forest
607 AM EST Sun Jan 12 2020

...WIND ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

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

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

* WHEN...Until 1 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.

* ADDITIONAL DETAILS...The strongest winds are expected just after
  daybreak through mid-morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-121800-
/O.CON.KPHI.WI.Y.0003.000000T0000Z-200112T1800Z/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Carbon-
Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Newton, Washington, Morristown, 
Flemington, Somerville, New Brunswick, Trenton, Jim Thorpe, 
Stroudsburg, Reading, Allentown, Bethlehem, Easton, Media, 
Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, 
Collegeville, Pottstown, Norristown, Lansdale, Chalfont, 
Perkasie, Morrisville, and Doylestown
607 AM EST Sun Jan 12 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

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

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

* WHEN...Until 1 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.

* ADDITIONAL DETAILS...The strongest winds are expected just after
  daybreak through mid-morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Staarmann
067 
WWUS71 KPHI 121757
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1257 PM EST Sun Jan 12 2020

DEZ001-MDZ008-NJZ001-007>010-012>022-025>027-PAZ054-055-060>062-
070-071-101>106-121900-
/O.CAN.KPHI.WI.Y.0003.000000T0000Z-200112T1800Z/
New Castle-Cecil-Sussex-Warren-Morris-Hunterdon-Somerset-
Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem-
Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-
Atlantic-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, Elkton, Newton, Washington, 
Morristown, Flemington, Somerville, New Brunswick, Freehold, 
Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, 
Moorestown, Mount Holly, Jackson, Millville, Hammonton, 
Atlantic City, Long Beach Island, Wharton State Forest, 
Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, 
Media, Philadelphia, Honey Brook, Oxford, West Chester, 
Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, 
Chalfont, Perkasie, Morrisville, and Doylestown
1257 PM EST Sun Jan 12 2020

...WIND ADVISORY IS CANCELLED...

Winds should continue to diminish through the afternoon. A few
higher gusts are still possible across the higher elevations. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 3:16 AM ESTGale WarningPHI33 hr

Nearby

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