Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

July 18, 2012Middlesex County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 18, 2012, 5:11 PM EDT for Middlesex County, Somerset County, New Jersey. It was in force for 64 min. 3 reports 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
Jul 18, 2012, 5:11 PM EDT (21:11 UTC)
Expired
Jul 18, 2012, 6:15 PM EDT
In force
64 min
Issued by
NWS Philadelphia/Mount Holly

Counties Middlesex County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 60 km from the middle of the area, began a volume at 21:13 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
Jul 18, 5:22 PM EDTHAIL 0.5Middletown, NJ
Jul 18, 5:26 PM EDTHAIL 1Red Bank, NJ
Jul 18, 5:30 PM EDTMARINE TSTM WIND 43Sandy Hook, 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 12:00Z, 9.2 hours before the alert went out and 128 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 12:00Z on 2012-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2129 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, Brookhaven, NY at 12:00Z on 2012-07-18The 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
2129 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1491 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

039 
WWUS81 KPHI 182111
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
511 PM EDT WED JUL 18 2012

NJZ010-012>014-182215-
EASTERN MONMOUTH NJ-MIDDLESEX NJ-SOMERSET NJ-WESTERN MONMOUTH NJ-
511 PM EDT WED JUL 18 2012

...A STRONG THUNDERSTORM WILL AFFECT MIDDLESEX...MONMOUTH AND
SOMERSET COUNTIES...

AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
CLUSTER OF STRONG THUNDERSTORMS MOVING ACROSS THE AREA. THESE STORMS 
ARE TRACKING TO THE EAST AT 35 MPH. 

VERY HEAVY RAIN WILL FALL AND CAUSE WATER TO POND ON ROADS AND 
QUICKLY FILL POOR DRAINAGE AREAS. WIND GUSTS UP TO 40 MPH AND SMALL 
HAIL ARE POSSIBLE.

CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. DO 
NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS 
WHEN A THUNDERSTORM APPROACHES.

LAT...LON 4037 7462 4039 7464 4038 7471 4060 7465
      4064 7442 4060 7444 4062 7431 4060 7420
      4056 7421 4055 7424 4047 7425 4045 7420
      4046 7412 4042 7400 4047 7403 4048 7400
      4044 7397 4030 7396

$$

FORECASTER: GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 12:51 PM EDTSpecial Weather StatementPHISussex54 min
Jul 18, 1:02 PM EDTSevere Thunderstorm WarningPHISussex34 min
Jul 18, 1:11 PM EDTSpecial Weather StatementPHISussex34 min
Jul 18, 1:23 PM EDTSpecial Weather StatementPHIMorris37 min
Jul 18, 1:43 PM EDTAreal Flood AdvisoryPHISussex2 hr
Jul 18, 1:49 PM EDTSevere Thunderstorm WarningPHISussex26 min
Jul 18, 1:53 PM EDTSpecial Weather StatementPHIMercer37 min
Jul 18, 2:15 PM EDTSpecial Weather StatementPHISussex60 min
Jul 18, 2:23 PM EDTSpecial Weather StatementPHIWarren67 min
Jul 18, 2:46 PM EDTSevere Thunderstorm WarningPHIMiddlesex29 min
Jul 18, 3:00 PM EDTSpecial Weather StatementPHIMonmouth45 min
Jul 18, 3:04 PM EDTSpecial Weather StatementPHIWarren41 min
Jul 18, 3:13 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren47 min
Jul 18, 3:18 PM EDTSpecial Marine WarningPHI42 min
Jul 18, 3:25 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex65 min
Jul 18, 3:26 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Warren49 min
Jul 18, 3:29 PM EDTSpecial Weather StatementPHIMonmouth46 min
Jul 18, 3:43 PM EDTSpecial Weather StatementPHIWarren47 min
Jul 18, 3:52 PM EDTFlash Flood WarningPHIWarren113 min
Jul 18, 3:59 PM EDTFlash Flood WarningPHIMorris, Sussex107 min
Jul 18, 4:03 PM EDTSpecial Weather StatementPHIHunterdon42 min
Jul 18, 4:17 PM EDTSpecial Weather StatementPHIMorris43 min
Jul 18, 4:28 PM EDTSevere Thunderstorm WarningPHIHunterdon32 min
Jul 18, 4:30 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Morris, Somerset45 min
Jul 18, 4:41 PM EDTSpecial Weather StatementPHIMercer34 min
Jul 18, 4:53 PM EDTSpecial Weather StatementPHIMercer22 min
Jul 18, 5:01 PM EDTSpecial Weather StatementPHIMiddlesex29 min
Jul 18, 5:07 PM EDTSpecial Marine WarningPHI38 min
Jul 18, 5:12 PM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Somerset81 min
Jul 18, 5:19 PM EDTSevere Thunderstorm WarningPHIMonmouth41 min
Jul 18, 5:26 PM EDTSpecial Marine WarningPHI34 min
Jul 18, 5:33 PM EDTSpecial Weather StatementPHIMercer57 min
Jul 18, 5:44 PM EDTSpecial Marine WarningPHI31 min
Jul 18, 6:00 PM EDTSpecial Marine WarningPHI60 min
Jul 18, 6:09 PM EDTAreal Flood AdvisoryPHIBurlington, Monmouth, Ocean68 min
Jul 18, 6:32 PM EDTSpecial Weather StatementPHIOcean43 min
Jul 18, 6:45 PM EDTSpecial Weather StatementPHICape May, Cumberland60 min
Jul 18, 6:51 PM EDTSpecial Marine WarningPHI39 min
Jul 18, 6:51 PM EDTSpecial Marine WarningPHI39 min
Jul 18, 7:17 PM EDTSpecial Weather StatementPHICape May58 min
Jul 18, 1:27 PM EDTSpecial Weather StatementPHIMonroe33 min
Jul 18, 2:07 PM EDTSpecial Weather StatementPHIBerks38 min
Jul 18, 2:12 PM EDTSevere Thunderstorm WarningPHIBerks48 min
Jul 18, 2:43 PM EDTSpecial Weather StatementPHIBerks, Lehigh47 min
Jul 18, 3:36 PM EDTSpecial Weather StatementPHIBerks54 min
Jul 18, 3:51 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery28 min
Jul 18, 4:22 PM EDTSpecial Weather StatementPHIBucks23 min
Jul 18, 5:30 PM EDTSpecial Weather StatementPHIBucks60 min
Jul 18, 5:51 PM EDTSpecial Weather StatementPHIPhiladelphia54 min
Jul 18, 5:47 PM EDTSpecial Weather StatementPHIKent, New Castle58 min
Jul 18, 6:01 PM EDTSevere Thunderstorm WarningPHIKent, New Castle17 min
Jul 18, 6:23 PM EDTSevere Thunderstorm WarningPHIKent37 min
Jul 18, 6:48 PM EDTSpecial Weather StatementPHIKent12 min
Jul 18, 6:57 PM EDTAreal Flood AdvisoryPHIKent, Sussex82 min
Jul 18, 6:57 PM EDTSevere Thunderstorm WarningPHIKent17 min
Jul 18, 4:37 PM EDTSpecial Weather StatementPHIKent23 min
Jul 18, 4:47 PM EDTSpecial Weather StatementPHICecil28 min
Jul 18, 5:20 PM EDTSpecial Weather StatementPHIQueen Anne's40 min
Jul 18, 5:35 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's25 min
Jul 18, 6:06 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot39 min
Jul 18, 6:26 PM EDTAreal Flood AdvisoryPHICaroline, Kent, Queen Anne's, Talbot68 min

Nearby

Special Weather Statements in New Jersey, 2012Every special weather statement in 2012

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.