Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

June 3, 2012Hunterdon County, New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 3, 2012, 4:53 PM EDT for Hunterdon County, New Jersey; Northampton County, Pennsylvania. It was in force for 52 min. 2 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
Jun 3, 2012, 4:53 PM EDT (20:53 UTC)
Expired
Jun 3, 2012, 5:45 PM EDT
In force
52 min
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 20:55 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
Jun 3, 4:55 PM EDTHAIL 0.88Allentown, PA
Jun 3, 5:07 PM EDTHAIL 0.5Springtown, PA

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, 8.9 hours before the alert went out and 173 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 2012-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 12:00Z on 2012-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.19395878Sfc1 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
4 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1383 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
2 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.

686 
WWUS81 KPHI 032053
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
453 PM EDT SUN JUN 3 2012

NJZ007-009-010-012-015-PAZ061-062-069-032145-
BUCKS PA-HUNTERDON NJ-LEHIGH PA-MERCER NJ-MIDDLESEX NJ-NORTHAMPTON PA-
SOMERSET NJ-WARREN NJ-
453 PM EDT SUN JUN 3 2012

...A STRONG THUNDERSTORM WILL AFFECT BUCKS...HUNTERDON...LEHIGH...
MERCER...MIDDLESEX...NORTHAMPTON...SOMERSET AND WARREN COUNTIES...

AT 450 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES NORTHEAST OF ALLENTOWN...MOVING EAST AT
40 MPH. THE THUNDERSTORM WILL BE NEAR RIEGELSVILLE...HELLERTOWN
AROUND 500 PM...FRENCHTOWN...MILFORD AROUND 515 PM...SAND BROOK...
FLEMINGTON AROUND 530 PM...SKILLMAN AND CLOVERHILL AROUND 545 PM.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

WIND GUSTS TO 40 MPH AND PENNY SIZE HAIL ARE POSSIBLE WITH THIS STORM.

LAT...LON 4048 7442 4025 7458 4055 7554 4079 7535

$$

NIERENBERG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 3:57 AM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more23 hr
Jun 3, 12:33 PM EDTSpecial Weather StatementPHIWarren57 min
Jun 3, 1:32 PM EDTSpecial Weather StatementPHICamden, Gloucester, Hunterdon, Mercer, Middlesex, Morris and 4 more118 min
Jun 3, 1:50 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Somerset31 min
Jun 3, 2:47 PM EDTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more118 min
Jun 3, 5:38 PM EDTSpecial Weather StatementPHIMercer, Middlesex, Monmouth67 min
Jun 3, 5:59 PM EDTSpecial Marine WarningPHI91 min
Jun 3, 7:20 PM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Ocean and 1 more85 min
Jun 3, 4:21 PM EDTSpecial Weather StatementPHICarbon, Lehigh, Northampton54 min
Jun 3, 6:05 PM EDTSpecial Weather StatementPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery85 min

Nearby

Special Weather Statements in New Jersey, 2012Special Weather Statements in Pennsylvania, 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.