Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

July 6, 2021Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 6, 2021, 11:55 PM EDT for Monmouth County, New Jersey. It was in force for 50 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
Jul 6, 2021, 11:55 PM EDT (03:55 UTC)
Expired
Jul 7, 2021, 12:45 AM EDT
In force
50 min
Issued by
NWS Philadelphia/Mount Holly

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 54 km from the middle of the area, began a volume at 03:59 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 00:00Z, 3.9 hours before the alert went out and 121 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 00:00Z on 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1647 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 00:00Z on 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
1647 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
876 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.3

Open this sounding in Storm Lab

The text

As transmitted.

730 
WWUS81 KPHI 070355
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
1155 PM EDT Tue Jul 6 2021

NJZ012>014-070445-
Eastern Monmouth-Western Monmouth-Middlesex-
1155 PM EDT Tue Jul 6 2021

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN MONMOUTH
AND EAST CENTRAL MIDDLESEX COUNTIES...

At 1155 PM EDT, strong thunderstorms were clustered over Tinton
Falls, or near Long Branch, moving southeast at 30 mph.

Wind gusts up to 50 mph and pea size hail are possible with this
storm.

Locations impacted include...
Long Branch, Asbury Park, Middletown, Old Bridge, Marlboro, Tinton
Falls, Holmdel, Red Bank, Matawan, Brownville, Elberon, Collingwood
Park, Lincroft, Morganville, Navesink, Eatontown, West Long Branch,
Keyport, Rumson and Little Silver.

This includes Garden State Parkway between mile markers 100 and 123.
 
If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4036 7396 4009 7397 4039 7436 4048 7427
      4046 7426 4045 7421 4044 7420 4046 7418
TIME...MOT...LOC 0355Z 305DEG 27KT 4028 7406 

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 8:03 PM EDTSpecial Weather StatementPHIBurlington, Ocean42 min
Jul 6, 8:11 PM EDTSpecial Marine WarningPHI82 min
Jul 6, 8:24 PM EDTSpecial Marine WarningPHI2 hr
Jul 6, 8:29 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren46 min
Jul 6, 8:37 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Monmouth, Morris, Somerset53 min
Jul 6, 8:50 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset40 min
Jul 6, 9:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Somerset41 min
Jul 6, 9:10 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more2 hr
Jul 6, 9:29 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset61 min
Jul 6, 9:37 PM EDTSpecial Marine WarningPHI113 min
Jul 6, 9:48 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean57 min
Jul 6, 10:21 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden39 min
Jul 6, 10:50 PM EDTAreal Flood AdvisoryPHIMonmouth, Ocean2 hr
Jul 6, 10:54 PM EDTSpecial Weather StatementPHIBurlington51 min
Jul 6, 11:11 PM EDTSpecial Weather StatementPHIBurlington19 min
Jul 6, 11:30 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean45 min
Jul 6, 11:39 PM EDTSpecial Marine WarningPHI66 min
Jul 7, 12:01 AM EDTAreal Flood AdvisoryPHIMiddlesex, Monmouth71 min
Jul 7, 12:10 AM EDTSpecial Marine WarningPHI95 min
Jul 7, 11:19 AM EDTTropical Storm WatchPHIAtlantic, Burlington, Cape May, Monmouth, Ocean18 hr
Jul 7, 3:32 PM EDTFlash Flood WatchPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more42 hr
Jul 6, 8:16 PM EDTSpecial Weather StatementPHILehigh29 min
Jul 6, 10:08 PM EDTSpecial Weather StatementPHIPhiladelphia37 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.