Alert archive / New Jersey / Special Weather Statements in 2023

Special Weather Statement, NWS Philadelphia/Mount Holly

July 16, 2023Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 16, 2023, 2:42 PM EDT for Cape May County, New Jersey. It was in force for 48 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 16, 2023, 2:42 PM EDT (18:42 UTC)
Expired
Jul 16, 2023, 3:30 PM EDT
In force
48 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.00 in
Wind
40

County Cape May County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.7 hours before the alert went out and 134 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, Wallops Is Stn, VA at 12:00Z on 2023-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1072 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2023-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
1072 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at Jul 16, 2:13 PM EDT, 29 minutes earlier.

Area forecast discussion, Jul 16, 2:13 PM EDT, 29 minutes before
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Hazardous weather outlook, Jul 16, 12:35 PM EDT, 2 hours 7 minutes before
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In the hours before

Local storm report, Jul 16, 1:29 PM EDT, 1 hour 13 minutes before
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Special weather statement, Jul 16, 1:42 PM EDT, 1 hour before
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Local storm report, Jul 16, 2:13 PM EDT, 29 minutes before
Preliminary Local Storm Report
National Weather Service Mount Holly NJ
213 PM EDT Sun Jul 16 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0130 PM     Flash Flood      1 W New Brunswick       40.50N 74.46W
07/16/2023                   Middlesex          NJ   911 Call Center

            Report of a vehicle stuck near Woodbridge
            Street.

&&

Hoeflich
Local storm report, Jul 16, 2:40 PM EDT, 2 minutes before
Preliminary Local Storm Report
National Weather Service Mount Holly NJ
240 PM EDT Sun Jul 16 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 PM     Flood            Federalsburg            38.69N 75.77W
07/16/2023                   Caroline           MD   911 Call Center

            Minor street flooding in Federalsburg.

&&

Hoeflich
Local storm report, Jul 16, 2:42 PM EDT, 0 minutes before
Preliminary Local Storm Report
National Weather Service Mount Holly NJ
242 PM EDT Sun Jul 16 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0228 PM     Flood            1 SW Greenwood          38.79N 75.61W
07/16/2023                   Sussex             DE   Public

            Picture of yard and street flooding in
            Greenwood, DE.

&&

Hoeflich
Special weather statement, Jul 16, 2:42 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
242 PM EDT Sun Jul 16 2023

NJZ021-023-024-161930-
Cumberland NJ-Atlantic Coastal Cape May NJ-Cape May NJ-
242 PM EDT Sun Jul 16 2023

...A strong thunderstorm will impact portions of southeastern
Cumberland and Cape May Counties through 330 PM EDT...

At 242 PM EDT, Doppler radar was tracking a strong thunderstorm near
North Cape May, or 9 miles northwest of Cape May, moving east at 25
mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Cape May, North Wildwood, Wildwood Crest, Woodbine, Sea Isle City,
Avalon, West Cape May, Stone Harbor, Cape May Court House, Scotch
Bonnet, Diamond Beach, Green Creek, Dennisville, Goshen, Rio Grande,
Bivalve, Eldora, North Cape May, Port Norris and Villas.

This includes Garden State Parkway between mile markers 0 and 18.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 3892 7499 3916 7491 3918 7503 3924 7506
      3928 7476 3910 7469 3893 7483 3890 7490
TIME...MOT...LOC 1842Z 252DEG 20KT 3904 7503

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

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 2:22 AM EDTSpecial Marine WarningPHI53 min
Jul 16, 2:47 AM EDTSpecial Weather StatementPHIGloucester, Salem28 min
Jul 16, 3:08 AM EDTSpecial Marine WarningPHI42 min
Jul 16, 3:40 AM EDTFlash Flood WarningPHISussex, Warren7 hr
Jul 16, 4:05 AM EDTFlash Flood WarningPHIHunterdon, Warren6 hr
Jul 16, 4:14 AM EDTSpecial Weather StatementPHIHunterdon31 min
Jul 16, 4:38 AM EDTTornado WarningPHIHunterdon, Somerset37 min
Jul 16, 4:50 AM EDTSpecial Weather StatementPHIBurlington, Ocean25 min
Jul 16, 5:07 AM EDTTornado WarningPHIHunterdon, Morris, Somerset38 min
Jul 16, 5:13 AM EDTFlash Flood WarningPHISussex, Warren4 hr
Jul 16, 5:16 AM EDTSpecial Weather StatementPHIOcean29 min
Jul 16, 5:26 AM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren4 hr
Jul 16, 5:31 AM EDTTornado WarningPHIMorris, Somerset, Sussex29 min
Jul 16, 5:44 AM EDTSpecial Marine WarningPHI61 min
Jul 16, 5:45 AM EDTSpecial Weather StatementPHIMonmouth30 min
Jul 16, 5:58 AM EDTTornado WarningPHIMorris32 min
Jul 16, 7:52 AM EDTSpecial Marine WarningPHI53 min
Jul 16, 8:40 AM EDTSpecial Marine WarningPHI47 min
Jul 16, 10:54 AM EDTAreal Flood WarningPHIWarren5 hr
Jul 16, 11:08 AM EDTFlash Flood WarningPHIGloucester, Salem3 hr
Jul 16, 11:36 AM EDTFlash Flood WarningPHIMiddlesex, Somerset3 hr
Jul 16, 12:22 PM EDTAreal Flood AdvisoryPHIMercer3 hr
Jul 16, 12:26 PM EDTAreal Flood AdvisoryPHIBurlington, Camden3 hr
Jul 16, 1:47 PM EDTAreal Flood AdvisoryPHIGloucester, Salem80 min
Jul 16, 1:50 PM EDTSpecial Marine WarningPHI85 min
Jul 16, 2:20 PM EDTAreal Flood AdvisoryPHIMiddlesex, Somerset72 min
Jul 16, 3:09 PM EDTSpecial Marine WarningPHI51 min
Jul 16, 6:17 PM EDTAreal Flood WarningPHIWarren10 hr
Jul 16, 6:19 PM EDTAreal Flood WarningPHIWarren10 hr
Jul 15, 8:37 PM EDTAreal Flood AdvisoryPHICarbon19 min
Jul 15, 8:44 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe30 min
Jul 15, 8:56 PM EDTFlash Flood WarningPHICarbon95 min
Jul 16, 12:50 AM EDTSpecial Weather StatementPHIBerks25 min
Jul 16, 1:41 AM EDTSpecial Weather StatementPHICarbon, Lehigh34 min
Jul 16, 2:12 AM EDTSpecial Weather StatementPHICarbon, Lehigh, Monroe33 min
Jul 16, 2:43 AM EDTFlash Flood WarningPHICarbon, Lehigh, Monroe, Northampton4 hr
Jul 16, 9:12 AM EDTFlash Flood WarningPHIChester2 hr
Jul 16, 9:40 AM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia3 hr
Jul 16, 9:53 AM EDTTornado WarningPHIMontgomery, Philadelphia37 min
Jul 16, 6:44 PM EDTAreal Flood AdvisoryPHIBucks90 min
Jul 16, 1:21 AM EDTSpecial Weather StatementPHIKent24 min
Jul 16, 3:09 AM EDTSpecial Weather StatementPHIKent36 min
Jul 16, 3:54 AM EDTFlash Flood WarningPHIKent, Sussex4 hr
Jul 16, 7:02 AM EDTFlash Flood WarningPHISussex108 min
Jul 16, 12:19 PM EDTAreal Flood AdvisoryPHIKent, Sussex60 min
Jul 16, 1:08 PM EDTAreal Flood AdvisoryPHIKent, New Castle3 hr
Jul 16, 1:19 PM EDTFlash Flood Warning Considerable damage threatPHIKent, Sussex4 hr
Jul 16, 1:42 PM EDTSpecial Weather StatementPHIKent33 min
Jul 16, 2:23 PM EDTAreal Flood AdvisoryPHISussex71 min
Jul 16, 3:34 PM EDTFlash Flood WarningPHISussex116 min
Jul 16, 2:17 AM EDTSpecial Weather StatementPHIKent, Queen Anne's28 min

Nearby

Special Weather Statements in New Jersey, 2023Every special weather statement in 2023

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.