Alert archive / New Jersey / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 36, NWS Philadelphia/Mount Holly

May 14, 2010Cape May County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 14, 2010, 10:09 PM EDT for Cape May County, New Jersey. It was in force for 37 min. 1 report 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: May 14, 2010, 10:09 PM EDT (02:09 UTC)
Expired: May 14, 2010, 10:46 PM EDT
In force: 37 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

County Cape May County, NJ

The radar

The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 02:10 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

Time	Report	Where	Remark
May 14, 10:24 PM EDT	HAIL 1	Dennisville, NJ

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.2 hours before the alert went out and 147 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 825 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 1318 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 196 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

098 
WUUS51 KPHI 150209
SVRPHI
NJC009-150300-
/O.NEW.KPHI.SV.W.0036.100515T0209Z-100515T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1009 PM EDT FRI MAY 14 2010

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1100 PM EDT

* AT 1006 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  ELDORA...OR 12 MILES SOUTH OF MILLVILLE...AND MOVING EAST AT 40
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DENNISVILLE...WOODBINE AND GOSHEN AROUND 1015 PM EDT...
  SEAVILLE AROUND 1020 PM EDT...
  SEA ISLE CITY AND 6 MILES NORTH OF AVALON AROUND 1025 PM EDT...

LAT...LON 3920 7464 3912 7470 3910 7470 3907 7471
      3903 7476 3901 7479 3904 7493 3915 7490
      3920 7493 3922 7490 3929 7489 3931 7488
      3927 7457
TIME...MOT...LOC 0210Z 282DEG 49KT 3921 7493

$$

HAYES

1 follow-up statement

275 
WWUS51 KPHI 150246
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1046 PM EDT FRI MAY 14 2010

NJC009-150256-
/O.CAN.KPHI.SV.W.0036.000000T0000Z-100515T0300Z/
CAPE MAY NJ-
1046 PM EDT FRI MAY 14 2010

...THE SEVERE THUNDERSTORM WARNING FOR CAPE MAY COUNTY IS
CANCELLED...

LAT...LON 3920 7464 3912 7470 3910 7470 3907 7471
      3903 7476 3901 7479 3904 7493 3915 7490
      3920 7493 3922 7490 3929 7489 3931 7488
      3927 7457
TIME...MOT...LOC 0246Z 282DEG 49KT 3911 7431

$$

HAYES

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 8:15 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	46 min
May 14, 8:29 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland, Gloucester, Salem	61 min
May 14, 8:32 PM EDT	Special Marine Warning	PHI		88 min
May 14, 8:36 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	40 min
May 14, 8:44 PM EDT	Special Weather Statement	PHI	Burlington	61 min
May 14, 9:17 PM EDT	Special Weather Statement	PHI	Monmouth	58 min
May 14, 9:31 PM EDT	Special Weather Statement	PHI	Atlantic	59 min
May 14, 9:36 PM EDT	Special Weather Statement	PHI	Cape May	54 min
May 14, 9:47 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	30 min
May 14, 9:49 PM EDT	Special Marine Warning	PHI		86 min
May 14, 9:57 PM EDT	Severe Thunderstorm Warning	PHI	Salem	48 min
May 14, 10:19 PM EDT	Special Weather Statement	PHI	Atlantic	56 min
May 14, 10:30 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic	35 min
May 14, 10:35 PM EDT	Special Weather Statement	PHI	Camden, Gloucester	55 min
May 14, 10:41 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester	49 min
May 14, 10:59 PM EDT	Special Weather Statement	PHI	Atlantic	61 min
May 14, 11:30 PM EDT	Special Weather Statement	PHI	Atlantic	45 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2010 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.