Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 187, NWS Philadelphia/Mount Holly

July 27, 2008Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 27, 2008, 3:41 PM EDT for Burlington County, Ocean County, New Jersey. It was in force for 34 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 27, 2008, 3:41 PM EDT (19:41 UTC)
Expired: Jul 27, 2008, 4:15 PM EDT
In force: 34 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 30 km from the middle of the area, began a volume at 19:43 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.

Issued	Product	Office	Lasted
Jul 27, 11:26 AM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.7 hours before the alert went out and 170 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: 88 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 1310 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 271942
SVRPHI
NJC005-029-272015-
/O.NEW.KPHI.SV.W.0187.080727T1941Z-080727T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
341 PM EDT SUN JUL 27 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 415 PM EDT

* AT 339 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR PENN STATE 
  FOREST...AND MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEACH HAVEN WEST AND BARNEGAT BY 350 PM...
  HARVEY CEDARS...SURF CITY AND FORKED RIVER BY 355 PM...
  BARNEGAT LIGHT BY 400 PM...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.

LAT...LON 3981 7407 3974 7409 3966 7414 3966 7418
      3967 7418 3965 7419 3959 7448 3976 7456
      3994 7406
TIME...MOT...LOC 1941Z 272DEG 41KT 3970 7438

$$

IOVINO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 11:29 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington	46 min
Jul 27, 11:41 AM EDT	Severe Thunderstorm Warning	PHI	Monmouth	34 min
Jul 27, 11:50 AM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	70 min
Jul 27, 12:06 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May	54 min
Jul 27, 12:12 PM EDT	Special Marine Warning	PHI		63 min
Jul 27, 12:41 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	49 min
Jul 27, 12:44 PM EDT	Special Marine Warning	PHI		61 min
Jul 27, 1:18 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	57 min
Jul 27, 1:19 PM EDT	Special Marine Warning	PHI		56 min
Jul 27, 1:44 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer	61 min
Jul 27, 1:58 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	62 min
Jul 27, 2:00 PM EDT	Severe Thunderstorm Warning	PHI	Salem	60 min
Jul 27, 2:06 PM EDT	Areal Flood Advisory	PHI	Monmouth	3 hr
Jul 27, 2:11 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Somerset	64 min
Jul 27, 2:14 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Mercer, Monmouth, Ocean	61 min
Jul 27, 2:17 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Cumberland, Gloucester, Salem	58 min
Jul 27, 2:18 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Morris, Somerset	57 min
Jul 27, 2:30 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer	2 hr
Jul 27, 2:31 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Salem	59 min
Jul 27, 2:38 PM EDT	Special Marine Warning	PHI		67 min
Jul 27, 2:38 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth, Ocean	67 min
Jul 27, 2:44 PM EDT	Special Marine Warning	PHI		2 hr
Jul 27, 2:50 PM EDT	Areal Flood Advisory	PHI	Middlesex, Morris, Somerset	115 min
Jul 27, 2:52 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Monmouth, Ocean	53 min
Jul 27, 3:01 PM EDT	Special Marine Warning	PHI		119 min
Jul 27, 3:12 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	63 min
Jul 27, 3:49 PM EDT	Special Marine Warning	PHI		56 min
Jul 27, 4:05 PM EDT	Special Marine Warning	PHI		115 min
Jul 27, 4:09 PM EDT	Special Marine Warning	PHI		2 hr
Jul 27, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May	60 min
Jul 27, 4:39 PM EDT	Special Marine Warning	PHI		51 min
Jul 27, 4:44 PM EDT	Special Marine Warning	PHI		61 min
Jul 27, 5:45 PM EDT	Special Marine Warning	PHI		90 min
Jul 27, 5:47 PM EDT	Special Marine Warning	PHI		88 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2008 Every severe thunderstorm warning in 2008

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.