Alert archive / New Jersey / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 31, NWS Philadelphia/Mount Holly

May 14, 2010Atlantic County, Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 14, 2010, 8:36 PM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 40 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
May 14, 2010, 8:36 PM EDT (00:36 UTC)
Expired
May 14, 2010, 9:16 PM EDT
In force
40 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 47 km from the middle of the area, began a volume at 00:37 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 14, 3:43 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.6 hours before the alert went out and 196 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 2010-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 512 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 2010-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.1939587897Sfc1 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
512 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

113 
WUUS51 KPHI 150036
SVRPHI
NJC001-005-029-150130-
/O.NEW.KPHI.SV.W.0031.100515T0036Z-100515T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
836 PM EDT FRI MAY 14 2010

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  SOUTH CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 930 PM EDT

* AT 835 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR EGG HARBOR CITY...OR 18
  MILES NORTHWEST OF ATLANTIC CITY...AND MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NEW GRETNA AND PORT REPUBLIC AROUND 845 PM EDT...
  TUCKERTON AROUND 855 PM EDT...
  BEACH HAVEN AROUND 900 PM EDT...
  NORTH BEACH HAVEN AROUND 905 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA.

&&

LAT...LON 3955 7423 3950 7428 3950 7433 3953 7434
      3953 7440 3949 7438 3949 7432 3947 7429
      3945 7429 3947 7439 3947 7467 3955 7468
      3963 7472 3961 7426 3960 7425 3961 7420
TIME...MOT...LOC 0036Z 276DEG 37KT 3959 7458

$$

HAYES
1 follow-up statement
757 
WWUS51 KPHI 150116
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
916 PM EDT FRI MAY 14 2010

NJC001-005-029-150125-
/O.CAN.KPHI.SV.W.0031.000000T0000Z-100515T0130Z/
OCEAN NJ-ATLANTIC NJ-BURLINGTON NJ-
916 PM EDT FRI MAY 14 2010

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BURLINGTON...
CENTRAL ATLANTIC AND SOUTH CENTRAL OCEAN COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA.

LAT...LON 3955 7423 3950 7428 3950 7433 3953 7434
      3953 7440 3949 7438 3949 7432 3947 7429
      3945 7429 3947 7439 3947 7467 3955 7468
      3963 7472 3961 7426 3960 7425 3961 7420
TIME...MOT...LOC 0115Z 276DEG 37KT 3955 7406

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:15 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean46 min
May 14, 8:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cumberland, Gloucester, Salem61 min
May 14, 8:32 PM EDTSpecial Marine WarningPHI88 min
May 14, 8:44 PM EDTSpecial Weather StatementPHIBurlington61 min
May 14, 9:17 PM EDTSpecial Weather StatementPHIMonmouth58 min
May 14, 9:31 PM EDTSpecial Weather StatementPHIAtlantic59 min
May 14, 9:36 PM EDTSpecial Weather StatementPHICape May54 min
May 14, 9:47 PM EDTSevere Thunderstorm WarningPHICumberland30 min
May 14, 9:49 PM EDTSpecial Marine WarningPHI86 min
May 14, 9:57 PM EDTSevere Thunderstorm WarningPHISalem48 min
May 14, 10:09 PM EDTSevere Thunderstorm WarningPHICape May37 min
May 14, 10:19 PM EDTSpecial Weather StatementPHIAtlantic56 min
May 14, 10:30 PM EDTSevere Thunderstorm WarningPHIAtlantic35 min
May 14, 10:35 PM EDTSpecial Weather StatementPHICamden, Gloucester55 min
May 14, 10:41 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester49 min
May 14, 10:59 PM EDTSpecial Weather StatementPHIAtlantic61 min
May 14, 11:30 PM EDTSpecial Weather StatementPHIAtlantic45 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2010Every severe thunderstorm warning in 2010

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.