Alert archive / New Jersey / Wind Advisories in 2021

Wind Advisory 3, NWS Philadelphia/Mount Holly

March 12, 2021Morris County, Sussex County, Warren County, New Jersey; Carbon County, Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this wind advisory at Mar 12, 2021, 9:24 AM EST for Morris County, Sussex County, Warren County, New Jersey; Carbon County, Monroe County, Northampton County, Pennsylvania. It took effect at Mar 12, 2021, 9:00 PM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Mar 12, 2021, 9:24 AM EST (14:24 UTC)
In effect from
Mar 12, 2021, 9:00 PM EST
Expired
Mar 13, 2021, 6:00 AM EST
In force
9 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ, Carbon County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 124 km from the middle of the area, began a volume at 14:27 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, 2.4 hours before the alert went out and 188 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 2021-03-12Temperature 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 2021-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -79 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
982 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-79 m²/s²
0-3 km storm-relative helicity
-22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

989 
WWUS71 KPHI 121424
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
924 AM EST Fri Mar 12 2021

NJZ001-007-008-PAZ054-055-062-130330-
/O.NEW.KPHI.WI.Y.0003.210313T0200Z-210313T1100Z/
Sussex-Warren-Morris-Carbon-Monroe-Northampton-
Including the cities of Newton, Washington, Morristown, 
Jim Thorpe, Stroudsburg, Bethlehem, and Easton
924 AM EST Fri Mar 12 2021

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM EST
SATURDAY...

* WHAT...Northwest winds 20 to 30 mph with gusts of 40 to 50 mph 
  expected. 

* WHERE...In New Jersey, Sussex, Warren and Morris Counties. In 
  Pennsylvania, Carbon, Monroe and Northampton Counties.

* WHEN...From 9 PM this evening to 6 AM EST Saturday.

* 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 late this evening
  behind a cold front with gusts of 40 to 50 mph expected 
  overnight before winds diminish near sunrise Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
914 
WWUS71 KPHI 121934
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
234 PM EST Fri Mar 12 2021

NJZ001-007-008-PAZ054-055-062-130845-
/O.CON.KPHI.WI.Y.0003.210313T0200Z-210313T1100Z/
Sussex-Warren-Morris-Carbon-Monroe-Northampton-
Including the cities of Newton, Washington, Morristown, 
Jim Thorpe, Stroudsburg, Bethlehem, and Easton
234 PM EST Fri Mar 12 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
EST SATURDAY...

* WHAT...Northwest winds 20 to 30 mph with gusts of 40 to 50 mph 
  expected. 

* WHERE...In New Jersey, Morris, Sussex and Warren Counties. In 
  Pennsylvania, Carbon, Northampton and Monroe Counties.

* WHEN...From 9 PM this evening to 6 AM EST Saturday.

* 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 late this evening
  behind a cold front with gusts of 40 to 50 mph expected 
  overnight before winds diminish near sunrise Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
289 
WWUS71 KPHI 130909
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
409 AM EST Sat Mar 13 2021

NJZ001-007-008-PAZ054-055-062-131100-
/O.CON.KPHI.WI.Y.0003.000000T0000Z-210313T1100Z/
Sussex-Warren-Morris-Carbon-Monroe-Northampton-
Including the cities of Newton, Washington, Morristown, 
Jim Thorpe, Stroudsburg, Bethlehem, and Easton
409 AM EST Sat Mar 13 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...

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

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

* WHEN...Until 6 AM EST early 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.

&&

$$

Staarmann
788 
WWUS71 KPHI 131053
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
553 AM EST Sat Mar 13 2021

NJZ001-007-008-PAZ054-055-062-131200-
/O.EXP.KPHI.WI.Y.0003.000000T0000Z-210313T1100Z/
Sussex-Warren-Morris-Carbon-Monroe-Northampton-
Including the cities of Newton, Washington, Morristown, 
Jim Thorpe, Stroudsburg, Bethlehem, and Easton
553 AM EST Sat Mar 13 2021

...WIND ADVISORY WILL EXPIRE AT 6 AM EST EARLY THIS MORNING...

Gusty winds will continue to diminish this morning, however a few
gusts up to 40 mph will be possible through around 9 AM.

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 6:42 AM ESTSmall Craft AdvisoryPHI27 hr
Mar 12, 9:20 AM ESTGale WarningPHI21 hr

Nearby

Wind Advisories in New Jersey, 2021Wind Advisories in Pennsylvania, 2021Every wind 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.