Alert archive / New Jersey / Special Weather Statements in 2017

Special Weather Statement, NWS Philadelphia/Mount Holly

July 13, 2017Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 13, 2017, 8:49 PM EDT for Cumberland 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
Jul 13, 2017, 8:49 PM EDT (00:49 UTC)
Expired
Jul 13, 2017, 9:15 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly

County Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 56 km from the middle of the area, began a volume at 00:51 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.8 hours before the alert went out and 153 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 00:00Z on 2017-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2637 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, Wallops Is Stn, VA at 00:00Z on 2017-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.1939Sfc1 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
2637 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1330 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted.

537 
WWUS81 KPHI 140049
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
849 PM EDT THU JUL 13 2017

DEZ002-NJZ016-021-140115-
Kent-Salem-Cumberland-
849 PM EDT THU JUL 13 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN KENT...CUMBERLAND
AND SOUTHEASTERN SALEM COUNTIES...

At 848 PM EDT, a strong thunderstorm was located near Greenwich, or
11 miles southwest of Bridgeton, moving east at 35 mph.

Wind gusts up to 35 mph and pea size hail are possible with this 
storm.

Heavy rainfall is also occurring with this storm...and may cause 
ponding on roadways and poor drainage areas. Do not drive your 
vehicle through flooded roadways.

Occasional cloud to ground lightning is occurring with this storm. 
Lightning can strike 15 miles away from a thunderstorm. If you see 
lightning or hear thunder seek a safe shelter inside a building or 
vehicle.

Locations impacted include...
Vineland, Millville, Bridgeton, Laurel Lake, Greenwich, Shiloh,
Newport, Mauricetown, Leesburg, Port Norris, Dividing Creek, Newport
Meadows, Fairton, Bricksboro, Cedarville, Port Elizabeth, Bivalve,
South Vineland and Rosenhayn.

LAT...LON 3950 7502 3919 7495 3919 7503 3922 7505
      3921 7510 3918 7515 3924 7517 3930 7526
      3929 7529 3931 7531 3925 7541 3930 7533
      3933 7532 3934 7536 3926 7542 3933 7537
      3940 7545 3944 7548
TIME...MOT...LOC 0048Z 264DEG 31KT 3929 7534 

$$

Robertson

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 8:17 PM EDTSpecial Weather StatementPHICamden43 min
Jul 13, 8:26 PM EDTSpecial Weather StatementPHICape May34 min
Jul 13, 8:27 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more4 hr
Jul 13, 8:51 PM EDTSpecial Weather StatementPHIAtlantic54 min
Jul 13, 9:07 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland, Gloucester, Salem53 min
Jul 13, 9:46 PM EDTSpecial Weather StatementPHIAtlantic14 min
Jul 13, 9:50 PM EDTSpecial Marine WarningPHI115 min
Jul 13, 9:57 PM EDTSpecial Weather StatementPHICape May33 min
Jul 13, 10:42 PM EDTSpecial Marine WarningPHI93 min
Jul 14, 7:21 AM EDTAreal Flood AdvisoryPHIMorris, Sussex, Warren3 hr
Jul 14, 11:40 AM EDTFlash Flood WatchPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem11 hr
Jul 14, 2:57 PM EDTAreal Flood AdvisoryPHIBurlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more3 hr
Jul 14, 3:07 PM EDTSpecial Marine WarningPHI53 min
Jul 14, 3:18 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem12 min
Jul 14, 3:23 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem67 min
Jul 14, 3:25 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Cumberland, Gloucester, Ocean, Salem4 hr
Jul 14, 3:34 PM EDTFlash Flood WarningPHIGloucester, Salem3 hr
Jul 14, 3:35 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cumberland, Gloucester55 min
Jul 14, 3:43 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Salem47 min
Jul 14, 3:47 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Ocean3 hr
Jul 14, 3:54 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem66 min
Jul 14, 4:12 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May63 min
Jul 14, 4:13 PM EDTFlash Flood WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more3 hr
Jul 14, 4:18 PM EDTSpecial Marine WarningPHI57 min
Jul 14, 4:25 PM EDTSpecial Marine WarningPHI95 min
Jul 14, 4:44 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland, Gloucester, Salem61 min
Jul 14, 4:54 PM EDTSpecial Marine WarningPHI66 min
Jul 14, 5:47 PM EDTSpecial Weather StatementPHICape May13 min
Jul 14, 5:53 PM EDTSpecial Marine WarningPHI52 min
Jul 14, 6:32 PM EDTSpecial Marine WarningPHI88 min
Jul 14, 7:08 PM EDTSpecial Marine WarningPHI97 min
Jul 14, 7:28 PM EDTAreal Flood AdvisoryPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem3 hr
Jul 14, 12:30 PM EDTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh, Monroe, Montgomery, Northampton4 hr
Jul 14, 1:58 PM EDTSpecial Weather StatementPHIChester62 min
Jul 14, 2:14 PM EDTAreal Flood AdvisoryPHIChester, Delaware, Montgomery, Philadelphia3 hr
Jul 14, 2:31 PM EDTSevere Thunderstorm WarningPHIChester, Delaware59 min
Jul 14, 2:53 PM EDTFlash Flood WarningPHIChester, Delaware, Montgomery, Philadelphia3 hr
Jul 13, 10:03 PM EDTSpecial Weather StatementPHICaroline27 min
Jul 13, 10:15 PM EDTAreal Flood AdvisoryPHICaroline, Talbot4 hr
Jul 14, 9:23 AM EDTSpecial Weather StatementPHICecil37 min
Jul 14, 12:06 PM EDTHeat AdvisoryPHICaroline, Kent, Queen Anne's, Talbot7 hr
Jul 14, 2:46 PM EDTAreal Flood AdvisoryPHICecil3 hr
Jul 14, 3:10 PM EDTFlash Flood WarningPHICecil2 hr
Jul 14, 3:52 PM EDTFlash Flood WarningPHITalbot53 min
Jul 14, 3:57 PM EDTFlash Flood WarningPHICecil, Kent2 hr
Jul 14, 4:00 PM EDTSpecial Weather StatementPHICaroline45 min
Jul 14, 4:05 PM EDTSpecial Weather StatementPHIKent40 min
Jul 14, 4:48 PM EDTSpecial Weather StatementPHIQueen Anne's27 min
Jul 14, 4:59 PM EDTFlash Flood WarningPHIQueen Anne's4 hr
Jul 14, 5:27 PM EDTSpecial Weather StatementPHIQueen Anne's63 min
Jul 14, 5:40 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot65 min
Jul 14, 5:54 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot51 min
Jul 14, 5:58 PM EDTFlash Flood WarningPHITalbot3 hr
Jul 14, 6:10 PM EDTFlash Flood WarningPHICaroline3 hr
Jul 14, 6:20 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot40 min
Jul 13, 8:09 PM EDTSpecial Weather StatementPHIKent36 min
Jul 13, 8:29 PM EDTSpecial Weather StatementPHIKent31 min
Jul 13, 10:39 PM EDTSevere Thunderstorm WarningPHISussex51 min
Jul 14, 9:02 AM EDTSpecial Weather StatementPHINew Castle28 min
Jul 14, 5:14 PM EDTAreal Flood AdvisoryPHIKent3 hr
Jul 14, 5:24 PM EDTSpecial Weather StatementPHISussex36 min
Jul 14, 5:30 PM EDTRiver Flood WarningPHINew Castle7 hr
Jul 14, 5:51 PM EDTSpecial Weather StatementPHISussex39 min
Jul 14, 6:32 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 14, 6:48 PM EDTSpecial Weather StatementPHISussex42 min
Jul 14, 7:15 PM EDTSevere Thunderstorm WarningPHISussex60 min

Nearby

Special Weather Statements in New Jersey, 2017Every special weather statement in 2017

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.