Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

August 10, 2021Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 10, 2021, 4:52 PM EDT for Monmouth County, New Jersey. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 10, 2021, 4:52 PM EDT (20:52 UTC)
Expired
Aug 10, 2021, 5:15 PM EDT
In force
23 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.00 in
Wind
40

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 32 km from the middle of the area, began a volume at 20:55 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, 8.9 hours before the alert went out and 136 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 2021-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 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, Brookhaven, NY at 12:00Z on 2021-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
73 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

877 
WWUS81 KPHI 102052
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
452 PM EDT Tue Aug 10 2021
 
NJZ013-014-020-026-102115-
Eastern Monmouth NJ-Coastal Ocean NJ-Ocean NJ-Western Monmouth NJ-
452 PM EDT Tue Aug 10 2021

...A strong thunderstorm will impact portions of northeastern Ocean
and southeastern Monmouth Counties through 515 PM EDT...

At 452 PM EDT, Doppler radar was tracking a strong thunderstorm over
Point Pleasant Beach, or 8 miles northeast of Toms River, moving east
at 20 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Toms River, Manasquan, Point Pleasant Beach, Mantoloking, Allenwood,
Ramtown, Brick Township, Dover Beaches North, Point Pleasant,
Brielle, Spring Lake Heights, Spring Lake, Avon-By-the-sea, Sea Girt,
Bay Head, West Belmar and South Belmar.

This includes Garden State Parkway between mile markers 91 and 97.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3997 7413 4014 7419 4022 7391 3998 7398
TIME...MOT...LOC 2052Z 254DEG 19KT 4008 7407 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 1:02 AM EDTSpecial Weather StatementPHIBurlington28 min
Aug 10, 3:33 AM EDTExcessive Heat WarningPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more4 days
Aug 10, 3:33 AM EDTHeat AdvisoryPHIAtlantic, Cape May, Cumberland, Monmouth, Ocean, Salem and 2 more4 days
Aug 10, 3:54 AM EDTAreal Flood AdvisoryPHIAtlantic80 min
Aug 10, 4:59 AM EDTAreal Flood AdvisoryPHIBurlington60 min
Aug 10, 5:58 AM EDTFlash Flood WarningPHIBurlington, Mercer2 hr
Aug 10, 2:07 PM EDTSpecial Weather StatementPHISalem38 min
Aug 10, 4:54 PM EDTSpecial Marine WarningPHI26 min
Aug 10, 5:05 PM EDTSpecial Weather StatementPHISomerset, Warren25 min
Aug 10, 5:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Somerset, Warren51 min
Aug 10, 5:30 PM EDTSpecial Weather StatementPHIWarren30 min
Aug 10, 5:58 PM EDTSpecial Weather StatementPHIMercer, Middlesex, Morris, Somerset, Warren32 min
Aug 10, 6:27 PM EDTSpecial Weather StatementPHIBurlington, Mercer, Middlesex, Monmouth, Morris33 min
Aug 10, 6:59 PM EDTSpecial Weather StatementPHIMiddlesex, Monmouth31 min
Aug 10, 7:09 PM EDTSpecial Marine WarningPHI66 min
Aug 10, 7:27 PM EDTSpecial Weather StatementPHIMonmouth33 min
Aug 9, 10:10 PM EDTAreal Flood AdvisoryPHICarbon3 hr
Aug 10, 3:06 PM EDTSpecial Weather StatementPHIBerks24 min
Aug 10, 3:33 PM EDTSpecial Weather StatementPHIBerks27 min
Aug 10, 3:52 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh23 min
Aug 10, 4:01 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Chester, Lehigh, Montgomery, Northampton44 min
Aug 10, 4:18 PM EDTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh3 hr
Aug 10, 4:33 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more42 min
Aug 10, 5:11 PM EDTSpecial Weather StatementPHIChester, Montgomery, Philadelphia34 min
Aug 10, 5:40 PM EDTSpecial Weather StatementPHIChester35 min
Aug 10, 6:36 PM EDTSevere Thunderstorm WarningPHIBerks, Chester39 min
Aug 10, 7:10 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery65 min
Aug 10, 7:54 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIChester51 min
Aug 10, 7:12 PM EDTSpecial Weather StatementPHIKent, Queen Anne's33 min
Aug 10, 7:42 PM EDTSpecial Weather StatementPHIKent, Queen Anne's, Talbot33 min

Nearby

Special Weather Statements in New Jersey, 2021Every special weather statement 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.