Alert archive / New Jersey / Tornado Warnings in 2008
Tornado Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Jul 23, 2008, 4:09 PM EDT for Middlesex County, Somerset County, New Jersey. It was in force for 36 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
- Jul 23, 2008, 4:09 PM EDT (20:09 UTC)
- Expired
- Jul 23, 2008, 4:45 PM EDT
- In force
- 36 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Middlesex County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 20:09 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 23, 4:23 PM EDT | HAIL 0.5 | Somerset, NJ |
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 23, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.2 hours before the alert went out and 142 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
- 302 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS51 KPHI 232009 TORPHI NJC023-035-232045- /O.NEW.KPHI.TO.W.0004.080723T2009Z-080723T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 409 PM EDT WED JUL 23 2008 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * TORNADO WARNING FOR... NORTHERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY... EAST CENTRAL SOMERSET COUNTY IN NORTHERN NEW JERSEY... * UNTIL 445 PM EDT * AT 407 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NORTH BRUNSWICK...MOVING NORTHEAST AT 20 MPH. * THE TORNADO WILL BE NEAR... SOMERSET BY 415 PM... NEW BRUNSWICK BY 420 PM... SOCIETY HILL BY 425 PM... EDISON BY 430 PM... 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 1000 PM WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND SOUTHEAST PENNSYLVANIA. LAT...LON 4059 7449 4051 7431 4040 7452 4044 7458 TIME...MOT...LOC 2009Z 218DEG 19KT 4046 7451 $$ IOVINO
1 follow-up statement
000 WWUS51 KPHI 232040 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 439 PM EDT WED JUL 23 2008 NJC023-035-232049- /O.EXP.KPHI.TO.W.0004.000000T0000Z-080723T2045Z/ SOMERSET NJ-MIDDLESEX NJ- 439 PM EDT WED JUL 23 2008 ...THE TORNADO WARNING FOR NORTHERN MIDDLESEX AND EAST CENTRAL SOMERSET COUNTIES WILL EXPIRE AT 445 PM EDT... THE THREAT FOR A TORNADO HAS DIMINISHED. THE WARNING HAS BEEN ALLOWED TO EXPIRE. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND SOUTHEAST PENNSYLVANIA. LAT...LON 4059 7449 4051 7431 4040 7452 4044 7458 TIME...MOT...LOC 2039Z 218DEG 19KT 4058 7438 $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 3:02 AM EDT | Special Marine Warning | PHI | 58 min | |
| Jul 23, 3:51 AM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 25 hr |
| Jul 23, 2:44 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 46 min |
| Jul 23, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 35 min |
| Jul 23, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 47 min |
| Jul 23, 3:26 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 64 min |
| Jul 23, 3:30 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 60 min |
| Jul 23, 4:03 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Morris, Somerset | 57 min |
| Jul 23, 4:51 PM EDT | Areal Flood Warning | PHI | Middlesex, Somerset | 105 min |
| Jul 23, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 57 min |
| Jul 23, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Somerset | 62 min |
| Jul 23, 7:00 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 60 min |
| Jul 23, 7:10 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Morris, Somerset | 35 min |
| Jul 23, 7:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 57 min |
Nearby
Tornado Warnings in New Jersey, 2008Every tornado warning in 2008Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.