Alert archive / New Jersey / Tornado Warnings in 2010
Tornado Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Jul 25, 2010, 4:11 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 34 min. 3 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
- Jul 25, 2010, 4:11 PM EDT (20:11 UTC)
- Expired
- Jul 25, 2010, 4:45 PM EDT
- In force
- 34 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 Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 20:14 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 |
|---|---|---|---|
| Jul 25, 4:35 PM EDT | TSTM WND DMG | Northfield, NJ | TREES DOWN AND POWER OUTAGES REPORTED IN NORTHFIELD. |
| Jul 25, 4:40 PM EDT | MARINE TSTM WIND 40 | Ocean City, NJ | |
| Jul 25, 4:50 PM EDT | TSTM WND DMG | 1 Sw Linwood, NJ | TREE DOWN ON GARDEN STATE PARKWAY AT MILE MARKER 21.8 |
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 |
|---|---|---|---|
| Jul 25, 11:29 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.2 hours before the alert went out and 166 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
- 10 J/kg
- Mixed-layer CIN
- -368 J/kg
- Mixed-layer LCL
- 1742 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
388
WFUS51 KPHI 252011
TORPHI
NJC001-009-011-252045-
/O.NEW.KPHI.TO.W.0006.100725T2011Z-100725T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
411 PM EDT SUN JUL 25 2010
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
NORTHEASTERN CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
EAST CENTRAL CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 445 PM EDT
* AT 410 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
CUMBERLAND...OR 7 MILES SOUTHEAST OF VINELAND...MOVING EAST AT 50
MPH.
* THE TORNADO WILL BE NEAR...
ESTELL MANOR AND CORBIN CITY BY 420 PM EDT...
ENGLISH CREEK BY 425 PM EDT...
NORTHFIELD...SOMERS POINT...6 MILES NORTH OF OCEAN CITY AND 7 MILES
NORTH OF MARMORA BY 430 PM EDT...
PLEASANTVILLE BY 435 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY
EVENING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR SOUTHERN DELAWARE AND
NORTHEASTERN MARYLAND.
&&
LAT...LON 3929 7458 3929 7464 3929 7459 3928 7459
3918 7467 3933 7502 3946 7498 3943 7446
TIME...MOT...LOC 2011Z 278DEG 45KT 3939 7490
$$
GIGI1 follow-up statement
031
WWUS51 KPHI 252031
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
431 PM EDT SUN JUL 25 2010
NJC011-252039-
/O.CAN.KPHI.TO.W.0006.000000T0000Z-100725T2045Z/
CUMBERLAND NJ-
431 PM EDT SUN JUL 25 2010
...THE TORNADO WARNING FOR EAST CENTRAL CUMBERLAND COUNTY IS
CANCELLED...
THE TORNADIC THUNDERSTORM HAS MOVED OUT OF THE COUNTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY
EVENING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR SOUTHERN DELAWARE AND
NORTHEASTERN MARYLAND.
LAT...LON 3940 7479 3935 7453 3929 7458 3929 7459
3928 7459 3918 7467 3927 7488
TIME...MOT...LOC 2029Z 286DEG 42KT 3928 7472
$$
NJC001-009-252045-
/O.CON.KPHI.TO.W.0006.000000T0000Z-100725T2045Z/
CAPE MAY NJ-ATLANTIC NJ-
431 PM EDT SUN JUL 25 2010
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR SOUTH
CENTRAL ATLANTIC AND NORTHEASTERN CAPE MAY COUNTIES...
AT 427 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A WALL CLOUD WITH
THE TORNADIC THUNDERSTORM. THIS LIKELY TORNADO WAS LOCATED
NEAR CORBIN CITY...OR 17 MILES WEST OF ATLANTIC
CITY...MOVING EAST AT 50 MPH.
THE TORNADO WILL BE NEAR...
MARMORA...OCEAN CITY...SOMERS POINT AND 7 MILES SOUTH OF LINWOOD BY
435 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EVEN IF A TORNADO DOES NOT TOUCH DOWN THIS STORM HAS HAD A LONG
HISTORY OF DROPPING HAIL AS LARGE AS GOLF BALLS AND DOWNING
NUMEROUS TREES.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY
EVENING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR SOUTHERN DELAWARE AND
NORTHEASTERN MARYLAND.
&&
LAT...LON 3940 7479 3935 7453 3929 7458 3929 7459
3928 7459 3918 7467 3927 7488
TIME...MOT...LOC 2029Z 286DEG 42KT 3928 7472
$$
GIGIThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 11:26 PM EDT | Special Weather Statement | PHI | Hunterdon | 49 min |
| Jul 25, 12:09 AM EDT | Special Weather Statement | PHI | Somerset | 66 min |
| Jul 25, 1:33 PM EDT | Special Weather Statement | PHI | Morris, Sussex, Warren | 87 min |
| Jul 25, 1:48 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 42 min |
| Jul 25, 1:59 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 61 min |
| Jul 25, 2:14 PM EDT | Special Weather Statement | PHI | Camden, Gloucester, Salem | 2 hr |
| Jul 25, 2:25 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 80 min |
| Jul 25, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset, Warren | 64 min |
| Jul 25, 2:45 PM EDT | Tornado Warning | PHI | Gloucester, Salem | 30 min |
| Jul 25, 3:10 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more | 80 min |
| Jul 25, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Gloucester | 57 min |
| Jul 25, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem | 93 min |
| Jul 25, 3:28 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 25, 3:32 PM EDT | Special Marine Warning | PHI | 118 min | |
| Jul 25, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 79 min |
| Jul 25, 4:02 PM EDT | Special Marine Warning | PHI | 118 min | |
| Jul 25, 5:19 PM EDT | Special Weather Statement | PHI | Cape May | 56 min |
| Jul 25, 5:53 PM EDT | Special Marine Warning | PHI | 67 min |
Nearby
Tornado Warnings in New Jersey, 2010Every tornado warning in 2010Tornadoes 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.