Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

July 24, 2012Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 24, 2012, 7:45 PM EDT for Monmouth County, New Jersey. It was in force for 30 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 24, 2012, 7:45 PM EDT (23:45 UTC)
Expired
Jul 24, 2012, 8:15 PM EDT
In force
30 min
Issued by
NWS Philadelphia/Mount Holly

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 23:48 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

Brookhaven, NY (KOKX), launched 12:00Z, 11.8 hours before the alert went out and 108 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 2012-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1283 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 2012-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 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
1283 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

457 
WWUS81 KPHI 242345
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
745 PM EDT TUE JUL 24 2012

NJZ014-250015-
EASTERN MONMOUTH NJ-
745 PM EDT TUE JUL 24 2012

...A STRONG THUNDERSTORM WILL AFFECT MONMOUTH COUNTY...

AT 742 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER SANDY HOOK...MOVING SOUTHEAST AT 25 MPH. THE
THUNDERSTORM WILL BE NEAR SEA BRIGHT AND MONMOUTH BEACH AROUND 800
PM.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS STORM.

LAT...LON 4032 7397 4037 7404 4042 7403 4043 7400
      4047 7402 4048 7402 4048 7400 4047 7398
      4044 7397 4036 7396

$$

NIERENBERG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 8:56 PM EDTSpecial Weather StatementPHIMorris94 min
Jul 24, 3:23 AM EDTSmall Craft AdvisoryPHI37 hr
Jul 24, 2:20 PM EDTSpecial Marine WarningPHI85 min
Jul 24, 2:30 PM EDTSpecial Weather StatementPHIGloucester, Salem90 min
Jul 24, 3:17 PM EDTSpecial Weather StatementPHIAtlantic, Cumberland88 min
Jul 24, 3:40 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland65 min
Jul 24, 3:43 PM EDTSpecial Marine WarningPHI92 min
Jul 24, 5:16 PM EDTSpecial Weather StatementPHICumberland, Salem59 min
Jul 24, 5:27 PM EDTSpecial Weather StatementPHIAtlantic, Gloucester93 min
Jul 24, 5:31 PM EDTSevere Thunderstorm WarningPHICumberland, Salem59 min
Jul 24, 6:01 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland, Gloucester, Salem45 min
Jul 24, 7:46 PM EDTSpecial Marine WarningPHI59 min
Jul 24, 3:41 AM EDTSpecial Weather StatementPHIPike94 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.