Alert archive / New Jersey / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 47, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 3, 2009, 4:55 PM EDT for Atlantic County, Cumberland County, Salem County, New Jersey. It was in force for 65 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
- Jun 3, 2009, 4:55 PM EDT (20:55 UTC)
- Expired
- Jun 3, 2009, 6:00 PM EDT
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Cumberland County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 20:59 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 |
|---|---|---|---|
| Jun 3, 5:08 PM EDT | TSTM WND DMG | 4 Se Alloway, NJ | WIRES 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 |
|---|---|---|---|
| Jun 3, 1:06 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.9 hours before the alert went out and 87 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
- 13 J/kg
- Mixed-layer CIN
- -276 J/kg
- Mixed-layer LCL
- 1089 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 032055
SVRPHI
NJC001-011-033-032200-
/O.NEW.KPHI.SV.W.0047.090603T2055Z-090603T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
455 PM EDT WED JUN 3 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
NORTHERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITIES OF...VINELAND...MILLVILLE...
SOUTHEASTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 600 PM EDT
* AT 451 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES
NORTHWEST OF SEABROOK FARMS...OR 7 MILES EAST OF SALEM...AND MOVING
SOUTHEAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ELMER AROUND 510 PM EDT...
OLIVET AND SEABROOK FARMS AROUND 515 PM EDT...
ROSENHAYN AROUND 525 PM EDT...
SOUTH VINELAND AROUND 540 PM EDT...
VINELAND...MILLVILLE AND 6 MILES SOUTHWEST OF BUENA AROUND 545 PM
EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED ROTATION WITHIN THIS STORM. WHILE NOT
IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS
SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY.
&&
LAT...LON 3930 7505 3951 7539 3963 7528 3957 7508
3951 7499 3954 7495 3952 7486
TIME...MOT...LOC 2054Z 295DEG 19KT 3957 7533
$$
AMC2 follow-up statements
000 WWUS51 KPHI 032138 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 538 PM EDT WED JUN 3 2009 NJC001-032148- /O.CAN.KPHI.SV.W.0047.000000T0000Z-090603T2200Z/ ATLANTIC NJ- 538 PM EDT WED JUN 3 2009 ...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL ATLANTIC COUNTY IS CANCELLED... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY. LAT...LON 3946 7492 3932 7504 3946 7522 3954 7509 TIME...MOT...LOC 2138Z 293DEG 17KT 3948 7509 $$ NJC011-033-032200- /O.CON.KPHI.SV.W.0047.000000T0000Z-090603T2200Z/ SALEM NJ-CUMBERLAND NJ- 538 PM EDT WED JUN 3 2009 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR CENTRAL CUMBERLAND AND SOUTHEASTERN SALEM COUNTIES... AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ROSENHAYN...OR 6 MILES WEST OF VINELAND...MOVING SOUTHEAST AT 20 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... SOUTH VINELAND...VINELAND AND MILLVILLE BY 550 PM EDT... 8 MILES NORTHEAST OF LAUREL LAKE BY 600 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY. && LAT...LON 3946 7492 3932 7504 3946 7522 3954 7509 TIME...MOT...LOC 2138Z 293DEG 17KT 3948 7509 $$ AMC
000 WWUS51 KPHI 032159 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 559 PM EDT WED JUN 3 2009 NJC011-033-032208- /O.EXP.KPHI.SV.W.0047.000000T0000Z-090603T2200Z/ SALEM NJ-CUMBERLAND NJ- 559 PM EDT WED JUN 3 2009 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CUMBERLAND AND SOUTHEASTERN SALEM COUNTIES WILL EXPIRE AT 600 PM EDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED OVER NORTHERN CUMBERSAND COUNTY AND IS NO LONGER A THREAT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY. LAT...LON 3946 7492 3932 7504 3946 7522 3954 7509 TIME...MOT...LOC 2158Z 293DEG 17KT 3944 7498 $$ AMC
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 54 min |
| Jun 3, 7:12 PM EDT | Special Marine Warning | PHI | 63 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2009Every severe thunderstorm warning in 2009
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.