Alert archive / New Jersey / Special Weather Statements in 2018

Special Weather Statement, NWS Philadelphia/Mount Holly

August 7, 2018Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 7, 2018, 8:28 PM EDT for Monmouth County, New Jersey. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 7, 2018, 8:28 PM EDT (00:28 UTC)
Expired
Aug 7, 2018, 9:15 PM EDT
In force
47 min
Issued by
NWS Philadelphia/Mount Holly

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 00:31 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.

What was reported inside it

TimeReportWhereRemark
Aug 7, 9:18 PM EDTMARINE TSTM WIND 46Sandy Hook Nos Buoy, NJ

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.5 hours before the alert went out and 116 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 2018-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1768 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 2018-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
1768 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
724 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

690 
WWUS81 KPHI 080028
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
828 PM EDT TUE AUG 7 2018

NJZ013-014-080115-
Eastern Monmouth-Western Monmouth-
828 PM EDT TUE AUG 7 2018

...STRONG THUNDERSTORMS WILL CONTINUE TO AFFECT MONMOUTH COUNTY...

At 825 PM EDT, strong thunderstorms were located over Manalapan and 
over Middletown Township. They were moving east at 15 mph.

Winds up to 30 mph are possible with these storms.

Locations that may be impacted include...

Long Branch, Asbury Park, Sandy Hook, Middletown, Howell, Marlboro, 
Manalapan, Tinton Falls, Holmdel, Red Bank, Keansburg, Matawan, 
Highlands, Farmingdale, East Freehold, West Freehold, Adelphia, 
Yorketown, Navesink and Collingwood Park.

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

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

LAT...LON 4014 7403 4018 7442 4027 7441 4035 7431
      4046 7413 4041 7402 4044 7399 4048 7402
      4048 7401 4047 7399 4044 7397 4042 7400
      4041 7398 4038 7399 4038 7397 4036 7397
TIME...MOT...LOC 0026Z 259DEG 11KT 4026 7435 

$$

Iovino

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 8:46 PM EDTSpecial Weather StatementPHIMercer44 min
Aug 7, 9:06 PM EDTAreal Flood AdvisoryPHIMonmouth114 min
Aug 7, 9:16 PM EDTFlash Flood WarningPHIMiddlesex, Monmouth4 hr
Aug 7, 11:33 PM EDTSpecial Weather StatementPHIAtlantic, Cumberland27 min
Aug 8, 12:23 AM EDTSpecial Weather StatementPHIAtlantic67 min
Aug 8, 6:40 PM EDTSpecial Weather StatementPHIMiddlesex35 min
Aug 8, 3:02 PM EDTSpecial Weather StatementPHIChester43 min
Aug 8, 3:40 PM EDTSpecial Weather StatementPHIChester35 min
Aug 8, 4:23 PM EDTSpecial Weather StatementPHINew Castle37 min
Aug 7, 8:10 PM EDTSpecial Weather StatementPHITalbot50 min
Aug 7, 8:51 PM EDTSpecial Weather StatementPHICaroline39 min

Nearby

Special Weather Statements in New Jersey, 2018Every special weather statement in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.