Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 25, 2011, 1:48 PM EST for 7 counties in New Jersey. It was in force for 57 min. 2 reports 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
- Feb 25, 2011, 1:48 PM EST (18:48 UTC)
- Expired
- Feb 25, 2011, 2:45 PM EST
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 38 km from the middle of the area, began a volume at 18:51 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 |
|---|---|---|---|
| Feb 25, 2:08 PM EST | HAIL 0.25 | Bricktown, NJ | |
| Feb 25, 2:30 PM EST | TSTM WND DMG | Seaside Heights, NJ | ROOF PARTIALLY BLOWN OFF A BUILDING ON SHERMAN AVENUE... SHINGLES BLOWN OFF OTHER BUILDINGS. FENCE BLOWN DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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
Brookhaven, NY (KOKX), launched 12:00Z, 6.8 hours before the alert went out and 189 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
- 446 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 464 m²/s²
- 0-3 km storm-relative helicity
- 723 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
147
WUUS51 KPHI 251848
SVRPHI
NJC001-005-007-011-015-029-033-251945-
/O.NEW.KPHI.SV.W.0005.110225T1848Z-110225T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
148 PM EST FRI FEB 25 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
NORTH CENTRAL CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
OCEAN COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF TOMS RIVER...
EAST CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 245 PM EST
* AT 145 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM WOODRUFF TO ATCO...OR ALONG A LINE EXTENDING FROM 18 MILES
NORTHWEST OF TOMS RIVER TO 17 MILES SOUTHEAST OF CAMDEN...AND
MOVING EAST AT 50 MPH.
THE DAMAGING WINDS CAN OCCUR ANYWHERE ALONG THIS LINE AS IT RACES
ACROSS THE AREA.
* SEVERE THUNDERSTORMS WILL BE NEAR...
POMONA...PLEASANTVILLE...EGG HARBOR CITY AND BATSTO AROUND 155 PM
EST...
WADING RIVER...PORT REPUBLIC...ABSECON AND WHITING AROUND 200 PM
EST...
NEW GRETNA AND BASS RIVER STATE FOREST AROUND 205 PM EST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS LINE OF STORMS. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS 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 3974 7409 3952 7425 3950 7433 3953 7434
3953 7440 3949 7438 3947 7429 3938 7437
3937 7441 3951 7519 4006 7456 4009 7402
TIME...MOT...LOC 1846Z 259DEG 45KT 4009 7442 3977 7483
$$
GORSE1 follow-up statement
549
WWUS51 KPHI 251920
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
220 PM EST FRI FEB 25 2011
NJC007-011-015-033-251929-
/O.CAN.KPHI.SV.W.0005.000000T0000Z-110225T1945Z/
SALEM NJ-CUMBERLAND NJ-CAMDEN NJ-GLOUCESTER NJ-
220 PM EST FRI FEB 25 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GLOUCESTER...
SOUTHEASTERN CAMDEN...NORTH CENTRAL CUMBERLAND AND EAST CENTRAL SALEM
COUNTIES IS CANCELLED...
THE LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST OF THE AREA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EST FRIDAY
AFTERNOON FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3951 7498 4007 7420 4009 7402 3974 7409
3952 7425 3950 7433 3953 7434 3953 7440
3949 7438 3947 7429 3938 7437 3937 7441
TIME...MOT...LOC 1919Z 259DEG 45KT 4008 7400 3951 7482
$$
NJC001-005-029-251945-
/O.CON.KPHI.SV.W.0005.000000T0000Z-110225T1945Z/
OCEAN NJ-ATLANTIC NJ-BURLINGTON NJ-
220 PM EST FRI FEB 25 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EST
FOR SOUTHEASTERN BURLINGTON...NORTHERN ATLANTIC AND OCEAN COUNTIES...
AT 217 PM EST...LOCAL LAW ENFORCEMENT AND EMERGENCY MANAGEMENT
REPORTED DAMAGING WINDS IN THREE TOWNSHIPS IN GLOUCESTER COUNTY.
THIS LINE OF SEVERE THUNDERSTORMS IS STILL CAPABLE OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM BAY HEAD TO MIZPAH...OR ALONG A LINE EXTENDING
FROM 12 MILES NORTHEAST OF TOMS RIVER TO 8 MILES EAST OF
VINELAND...MOVING EAST AT 50 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
OCEAN GATE...MAYS LANDING...LAVALLETTE AND ISLAND HEIGHTS BY 225 PM
EST...
WADING RIVER...WARREN GROVE...BROOKVILLE AND SEASIDE PARK BY 230 PM
EST...
POMONA AND ABSECON BY 235 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 3951 7498 4007 7420 4009 7402 3974 7409
3952 7425 3950 7433 3953 7434 3953 7440
3949 7438 3947 7429 3938 7437 3937 7441
TIME...MOT...LOC 1919Z 259DEG 45KT 4008 7400 3951 7482
$$
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, 1:57 PM EST | Special Marine Warning | PHI | 63 min | |
| Feb 25, 2:09 PM EST | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 51 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.