Alert archive / New Jersey / Special Weather Statements in 2013

Special Weather Statement, NWS Philadelphia/Mount Holly

July 21, 2013Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 21, 2013, 3:10 PM EDT for Ocean County, New Jersey. It was in force for 65 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 21, 2013, 3:10 PM EDT (19:10 UTC)
Expired
Jul 21, 2013, 4:15 PM EDT
In force
65 min
Issued by
NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 24 km from the middle of the area, began a volume at 19:09 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, 7.2 hours before the alert went out and 169 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 2013-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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 2013-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
34 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
1245 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-1.1

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at Jul 21, 2:49 PM EDT, 21 minutes earlier.

Area forecast discussion, Jul 21, 2:49 PM EDT, 21 minutes before
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Hazardous weather outlook, Jul 21, 3:49 AM EDT, 11 hours 21 minutes before
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In the hours before

Local storm report, Jul 21, 11:25 AM EDT, 3 hours 45 minutes before
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Local storm report, Jul 21, 1:54 PM EDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
154 PM EDT SUN JUL 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0710 PM     HAIL             FOUNTAIN HILL           40.60N  75.40W
07/20/2013  E0.50 INCH       LEHIGH             PA   TRAINED SPOTTER

0845 PM     TSTM WND GST     BROOKHAVEN              39.87N  75.39W
07/20/2013  M65 MPH          DELAWARE           PA   TRAINED SPOTTER

            A 65 MPH THUNDERSTORM WIND GUST REPORTED IN BROOKHAVEN.

0902 PM     TSTM WND GST     PHILADELPHIA INTL AIRPO 39.87N  75.24W
07/20/2013  M66 MPH          PHILADELPHIA       PA   ASOS

0905 PM     TSTM WND GST     WOODBURY                39.84N  75.15W
07/20/2013  M52 MPH          GLOUCESTER         NJ   TRAINED SPOTTER

0905 PM     TSTM WND DMG     NATIONAL PARK           39.87N  75.19W
07/20/2013                   GLOUCESTER         NJ   911 CALL CENTER

            SEVERAL TREES DOWN

0905 PM     TSTM WND DMG     EAST GREENWICH TWP      39.79N  75.25W
07/20/2013                   GLOUCESTER         NJ   911 CALL CENTER

            TREE DOWN.

0905 PM     TSTM WND DMG     WEST DEPTFORD TWP       39.83N  75.20W
07/20/2013                   GLOUCESTER         NJ   911 CALL CENTER

            WIRES DOWN ON HESSIAN AVE

0905 PM     TSTM WND DMG     WOODBURY                39.84N  75.15W
07/20/2013                   GLOUCESTER         NJ   TRAINED SPOTTER

            TREE AND WIRES DOWN

1022 PM     TSTM WND DMG     STILL POND              39.33N  76.05W
07/20/2013                   KENT               MD   911 CALL CENTER

            TREES DOWN

&&

EVENT NUMBER PHI1300295 PHI1300296 PHI1300294 PHI1300293 PHI1300297
PHI1300299 PHI1300300 PHI1300301 PHI1300298

GAINES/GORSE/WD
Local storm report, Jul 21, 2:15 PM EDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
215 PM EDT SUN JUL 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0710 PM     HAIL             FOUNTAIN HILL           40.60N  75.40W
07/20/2013  E0.50 INCH       LEHIGH             PA   TRAINED SPOTTER

0902 PM     TSTM WND GST     PHILADELPHIA INTL AIRPO 39.87N  75.24W
07/20/2013  M66 MPH          PHILADELPHIA       PA   ASOS

0905 PM     TSTM WND GST     WOODBURY                39.84N  75.15W
07/20/2013  M52 MPH          GLOUCESTER         NJ   TRAINED SPOTTER

0905 PM     TSTM WND DMG     NATIONAL PARK           39.87N  75.19W
07/20/2013                   GLOUCESTER         NJ   911 CALL CENTER

            SEVERAL TREES DOWN

0905 PM     TSTM WND DMG     EAST GREENWICH TWP      39.79N  75.25W
07/20/2013                   GLOUCESTER         NJ   911 CALL CENTER

            TREE DOWN.

0905 PM     TSTM WND DMG     WEST DEPTFORD TWP       39.83N  75.20W
07/20/2013                   GLOUCESTER         NJ   911 CALL CENTER

            WIRES DOWN ON HESSIAN AVE

0905 PM     TSTM WND DMG     WOODBURY                39.84N  75.15W
07/20/2013                   GLOUCESTER         NJ   TRAINED SPOTTER

            TREE AND WIRES DOWN

1022 PM     TSTM WND DMG     STILL POND              39.33N  76.05W
07/20/2013                   KENT               MD   911 CALL CENTER

            TREES DOWN

&&

EVENT NUMBER PHI1300295 PHI1300294 PHI1300293 PHI1300297 PHI1300299
PHI1300300 PHI1300301 PHI1300298

GAINES/GORSE/WD
Special weather statement, Jul 21, 3:10 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
310 PM EDT SUN JUL 21 2013

NJZ020-022-025>027-212015-
ATLANTIC NJ-COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-OCEAN NJ-
SOUTHEASTERN BURLINGTON NJ-
310 PM EDT SUN JUL 21 2013

...AN AREA OF SCATTERED SHOWERS AND DEVELOPING THUNDERSTORMS WILL
AFFECT EASTERN ATLANTIC...OCEAN AND SOUTHEASTERN BURLINGTON
COUNTIES...

AT 303 PM EDT...AN AREA OF SHOWERS AND DEVELOPING
THUNDERSTORMS WAS LOCATED FROM BEACHWOOD TO NORTH BEACH HAVEN TO
SOMERS POINT...MOVING SOUTHEAST AT 5 MPH.

CLOUD TO GROUND LIGHTNING IS EXPECTED TO START OCCURRING WITH THESE
STORMS. IF ON THE BEACH, SEEK SHELTER IMMEDIATELY AT THE FIRST SIGN
OF THREATENING WEATHER. DO NOT STAY IN THE OPEN NOR SEEK SHELTER
UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A
THUNDERSTORM APPROACHES. THESE STORMS WILL BE NEAR LAVALLETTE AROUND
320 PM...SEASIDE HEIGHTS AROUND 330 PM...NORTH BEACH HAVEN AROUND
340 PM...SURF CITY AROUND 350 PM...HARVEY CEDARS AROUND 400 PM AND
BARNEGAT LIGHT AROUND 410 PM.

LAT...LON 3977 7408 3967 7414 3960 7421 3956 7422
      3950 7430 3946 7430 3934 7443 3930 7453
      3930 7468 4017 7431 4017 7426 4011 7424
      4010 7415 4014 7411 4009 7407 4011 7403

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 8:33 PM EDTSpecial Weather StatementPHICamden57 min
Jul 20, 8:39 PM EDTSpecial Weather StatementPHICamden66 min
Jul 20, 8:49 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester56 min
Jul 20, 9:13 PM EDTSpecial Weather StatementPHIOcean32 min
Jul 20, 9:38 PM EDTSevere Thunderstorm WarningPHIBurlington67 min
Jul 20, 9:51 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean54 min
Jul 20, 9:59 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden61 min
Jul 20, 10:07 PM EDTSpecial Marine WarningPHI83 min
Jul 20, 10:46 PM EDTSpecial Weather StatementPHIBurlington59 min
Jul 20, 10:52 PM EDTSpecial Weather StatementPHIAtlantic53 min
Jul 20, 11:10 PM EDTSpecial Marine WarningPHI95 min
Jul 21, 3:17 PM EDTCoastal Flood AdvisoryPHIMiddlesex, Monmouth, Ocean6 hr
Jul 21, 3:44 PM EDTSpecial Weather StatementPHICamden, Gloucester, Salem2 hr
Jul 21, 4:16 PM EDTSpecial Weather StatementPHIBurlington89 min
Jul 21, 4:20 PM EDTAreal Flood AdvisoryPHIBurlington3 hr
Jul 21, 4:44 PM EDTSpecial Weather StatementPHIBurlington61 min
Jul 21, 5:03 PM EDTAreal Flood AdvisoryPHIBurlington3 hr
Jul 21, 5:18 PM EDTSevere Thunderstorm WarningPHIBurlington57 min
Jul 21, 5:28 PM EDTAreal Flood AdvisoryPHIBurlington3 hr
Jul 21, 5:52 PM EDTSpecial Weather StatementPHIOcean53 min
Jul 21, 6:20 PM EDTSpecial Weather StatementPHIAtlantic55 min
Jul 21, 6:33 PM EDTAreal Flood AdvisoryPHIBurlington, Ocean3 hr
Jul 21, 7:02 PM EDTSpecial Weather StatementPHIAtlantic88 min
Jul 21, 7:04 PM EDTSpecial Marine WarningPHI56 min
Jul 21, 7:25 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington3 hr
Jul 20, 8:56 PM EDTSpecial Weather StatementPHINew Castle64 min
Jul 20, 10:17 PM EDTSevere Thunderstorm WarningPHIKent, New Castle58 min
Jul 20, 10:55 PM EDTAreal Flood AdvisoryPHINew Castle3 hr
Jul 21, 3:17 PM EDTSpecial Weather StatementPHISussex58 min
Jul 21, 4:25 PM EDTSpecial Weather StatementPHISussex95 min
Jul 21, 4:50 PM EDTFlash Flood WarningPHISussex4 hr
Jul 21, 4:58 PM EDTAreal Flood AdvisoryPHIKent3 hr
Jul 21, 5:45 PM EDTSpecial Weather StatementPHISussex60 min
Jul 21, 6:28 PM EDTAreal Flood AdvisoryPHIKent, Sussex3 hr
Jul 20, 9:44 PM EDTSpecial Weather StatementPHIKent61 min
Jul 20, 11:25 PM EDTSpecial Weather StatementPHIKent65 min
Jul 21, 4:35 PM EDTSpecial Weather StatementPHIKent, Queen Anne's85 min
Jul 21, 4:36 PM EDTSpecial Weather StatementPHIKent, Queen Anne's84 min

Nearby

Special Weather Statements in New Jersey, 2013Every special weather statement in 2013

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.