Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 25, 2011, 2:09 PM EST for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 51 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
- Feb 25, 2011, 2:09 PM EST (19:09 UTC)
- Expired
- Feb 25, 2011, 3:00 PM EST
- In force
- 51 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 58 km from the middle of the area, began a volume at 19:12 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 |
|---|---|---|---|
| Feb 25, 12:19 PM EST | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.2 hours before the alert went out and 140 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 514 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 468 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
224
WUUS51 KPHI 251909
SVRPHI
NJC001-009-011-252000-
/O.NEW.KPHI.SV.W.0007.110225T1909Z-110225T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
209 PM EST FRI FEB 25 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF CAPE MAY...
SOUTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 300 PM EST
* AT 204 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 16 MILES SOUTHWEST OF BIVALVE...
OR 13 MILES EAST OF DOVER...AND MOVING EAST AT 50 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
GOSHEN AND ELDORA AROUND 225 PM EST...
DENNISVILLE AND WOODBINE AROUND 230 PM EST...
SEAVILLE...STRATHMERE AND SEA ISLE CITY AROUND 235 PM EST...
OCEAN CITY...MARMORA AND BEESLEYS POINT AROUND 240 PM EST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EST FRIDAY
AFTERNOON FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3925 7459 3912 7470 3907 7471 3902 7479
3899 7479 3893 7488 3892 7495 3892 7497
3899 7497 3911 7490 3916 7491 3918 7503
3920 7505 3920 7510 3917 7514 3920 7519
3923 7518 3930 7486 3934 7444
TIME...MOT...LOC 1909Z 258DEG 54KT 3912 7519
$$
TFG1 follow-up statement
293
WWUS51 KPHI 251936
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
236 PM EST FRI FEB 25 2011
NJC011-251945-
/O.CAN.KPHI.SV.W.0007.000000T0000Z-110225T2000Z/
CUMBERLAND NJ-
236 PM EST FRI FEB 25 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CUMBERLAND COUNTY
IS CANCELLED...
THE SEVERE THUNDERSTORM WAS BEARING DOWN ON CAPE MAY COUNTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EST FRIDAY
AFTERNOON FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3925 7459 3912 7470 3907 7471 3902 7479
3899 7479 3893 7488 3892 7495 3892 7497
3899 7497 3911 7490 3916 7491 3921 7489
3926 7489 3928 7487 3929 7485 3930 7486
3934 7444
TIME...MOT...LOC 1935Z 258DEG 54KT 3913 7491
$$
NJC001-009-252000-
/O.CON.KPHI.SV.W.0007.000000T0000Z-110225T2000Z/
CAPE MAY NJ-ATLANTIC NJ-
236 PM EST FRI FEB 25 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EST
FOR SOUTH CENTRAL ATLANTIC AND CAPE MAY COUNTIES...
AT 234 PM EST...A SEVERE THUNDERSTORM WAS REPORTED. THIS STORM WAS
LOCATED NEAR GOSHEN...OR 13 MILES NORTH OF CAPE MAY...MOVING EAST AT
50 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WILDWOOD CREST...WEST WILDWOOD...WILDWOOD...CAPE MAY COURT HOUSE...
NORTH WILDWOOD...BELLEPLAIN FOREST...DENNISVILLE...SCOTCH BONNET...
WOODBINE...STONE HARBOR...AVALON...CORBIN CITY...SEA ISLE CITY...
SEAVILLE...STRATHMERE...MARMORA...BEESLEYS POINT...OCEAN CITY...
SOMERS POINT...LONGPORT AND MARGATE CITY
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EST FRIDAY
AFTERNOON FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3925 7459 3912 7470 3907 7471 3902 7479
3899 7479 3893 7488 3892 7495 3892 7497
3899 7497 3911 7490 3916 7491 3921 7489
3926 7489 3928 7487 3929 7485 3930 7486
3934 7444
TIME...MOT...LOC 1935Z 258DEG 54KT 3913 7491
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 4:56 AM EST | Freezing Rain Advisory | PHI | Sussex | 5 hr |
| Feb 25, 7:53 AM EST | Special Weather Statement | PHI | Atlantic, Cape May, Cumberland | 82 min |
| Feb 25, 9:15 AM EST | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more | 90 min |
| Feb 25, 12:44 PM EST | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Salem and 1 more | 61 min |
| Feb 25, 1:04 PM EST | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 56 min |
| Feb 25, 1:11 PM EST | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 64 min |
| Feb 25, 1:16 PM EST | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 59 min |
| Feb 25, 1:23 PM EST | Special Marine Warning | PHI | 67 min | |
| Feb 25, 1:25 PM EST | Special Marine Warning | PHI | 65 min | |
| Feb 25, 1:48 PM EST | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more | 57 min |
| Feb 25, 1:57 PM EST | Special Marine Warning | PHI | 63 min | |
| Feb 25, 2:16 PM EST | Special Marine Warning | PHI | 89 min | |
| Feb 25, 3:39 PM EST | Special Marine Warning | PHI | 41 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2011Every severe thunderstorm warning in 2011
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.