Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

June 30, 2021Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 30, 2021, 9:49 PM EDT for Monmouth County, New Jersey. It was in force for 26 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
Jun 30, 2021, 9:49 PM EDT (01:49 UTC)
Expired
Jun 30, 2021, 10:15 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 01:49 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, 1.8 hours before the alert went out and 118 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 2021-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1308 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 2021-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
1308 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
1402 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

853 
WWUS81 KPHI 010149
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
949 PM EDT Wed Jun 30 2021

NJZ012>014-010215-
Eastern Monmouth-Western Monmouth-Middlesex-
949 PM EDT Wed Jun 30 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN MONMOUTH AND
EASTERN MIDDLESEX COUNTIES...

At 949 PM EDT, a strong thunderstorm was located over Brownville, or
near Perth Amboy, moving east at 35 mph.

Wind gusts up to 40 mph are possible with this storm.

Locations impacted include...
Perth Amboy, Long Branch, Sandy Hook, Edison, Middletown, Old Bridge,
East Brunswick, Sayreville, Marlboro, Tinton Falls, Holmdel, Red
Bank, Keansburg, Matawan, Highlands, Brownville, Robertsville,
Yorketown, Navesink and Lincroft.

This includes the following highways...
 New Jersey Turnpike near exit 11.
 Interstate 287 in New Jersey between mile markers 0 and 1.
 Garden State Parkway between mile markers 107 and 128.

LAT...LON 4027 7398 4031 7441 4053 7437 4053 7425
      4050 7426 4050 7428 4047 7427 4044 7420
      4046 7418 4045 7413 4042 7405 4041 7398
      4048 7402 4048 7401 4043 7397
TIME...MOT...LOC 0149Z 276DEG 30KT 4043 7429 

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 8:37 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer38 min
Jun 30, 8:56 PM EDTSpecial Marine WarningPHI94 min
Jun 30, 9:05 PM EDTSpecial Weather StatementPHISomerset40 min
Jun 30, 9:21 PM EDTSpecial Weather StatementPHISalem39 min
Jun 30, 9:51 PM EDTSpecial Marine WarningPHI60 min
Jul 1, 2:58 AM EDTSmall Craft AdvisoryPHI17 hr
Jul 1, 1:10 PM EDTSpecial Weather StatementPHIMonmouth50 min
Jul 1, 1:16 PM EDTSpecial Weather StatementPHIAtlantic29 min
Jul 1, 1:28 PM EDTSpecial Marine WarningPHI62 min
Jul 1, 1:31 PM EDTSpecial Weather StatementPHICumberland29 min
Jul 1, 4:21 PM EDTSpecial Marine WarningPHI114 min
Jul 1, 4:27 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Salem and 1 more48 min
Jul 1, 4:55 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland, Salem80 min
Jul 1, 4:59 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more46 min
Jul 1, 5:02 PM EDTTornado WarningPHIBurlington, Mercer28 min
Jul 1, 5:27 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more93 min
Jul 1, 5:35 PM EDTTornado WarningPHIMercer, Monmouth, Ocean25 min
Jul 1, 5:40 PM EDTSpecial Marine WarningPHI65 min
Jul 1, 5:46 PM EDTSpecial Marine WarningPHI119 min
Jul 1, 6:13 PM EDTSpecial Marine WarningPHI92 min
Jun 30, 8:16 PM EDTSpecial Weather StatementPHIBucks, Montgomery44 min
Jul 1, 2:51 PM EDTSpecial Weather StatementPHIChester, Montgomery39 min
Jul 1, 3:13 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery47 min
Jul 1, 3:23 PM EDTAreal Flood AdvisoryPHIChester, Montgomery77 min
Jul 1, 3:48 PM EDTAreal Flood AdvisoryPHIBucks, Delaware, Montgomery, Philadelphia112 min
Jul 1, 3:50 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia40 min
Jul 1, 4:08 PM EDTSevere Thunderstorm WarningPHISussex52 min
Jul 1, 4:08 PM EDTSevere Thunderstorm WarningPHIKent52 min
Jul 1, 4:10 PM EDTAreal Flood AdvisoryPHIKent, New Castle94 min
Jul 1, 4:32 PM EDTSevere Thunderstorm WarningPHIKent, New Castle, Sussex43 min
Jul 1, 4:57 PM EDTTornado WarningPHIKent, Sussex22 min
Jul 1, 5:12 PM EDTSevere Thunderstorm WarningPHIKent, Sussex48 min
Jul 1, 3:12 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot48 min
Jul 1, 3:56 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot49 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.