Alert archive / New Jersey / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 45, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2009, 4:39 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey; Kent County, New Castle County, Delaware. 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
- Jun 2, 2009, 4:39 PM EDT (20:39 UTC)
- Expired
- Jun 2, 2009, 5:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, New Castle County, DE, Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 62 km from the middle of the area, began a volume at 20:40 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 |
|---|---|---|---|
| Jun 2, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.7 hours before the alert went out and 92 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
- 1348 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 63 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 022039
SVRPHI
DEC001-003-NJC001-009-011-022130-
/O.NEW.KPHI.SV.W.0045.090602T2039Z-090602T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
439 PM EDT TUE JUN 2 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN KENT COUNTY IN CENTRAL DELAWARE...
THIS INCLUDES THE CITY OF DOVER...
SOUTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
SOUTHERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF CAPE MAY...
CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITIES OF...VINELAND...MILLVILLE...
* UNTIL 530 PM EDT
* AT 434 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS
IN EXCESS OF 60 MPH. ONE STORM WAS LOCATED NEAR CUMBERLAND...OR 6
MILES SOUTHEAST OF VINELAND...AND MOVING SOUTHEAST AT 40 MPH.
ANOTHER STORM WAS LOCATED NEAR TOWNSEND DELAWARE IN NEW CASTLE
COUNTY. THIS STORM WAS ALSO MOVING TO THE SOUTHEAST AT 40 MPH.
* THE SEVERE THUNDERSTORM IN CUMBERLAND COUNTY WILL BE NEAR...
ESTELL MANOR AROUND 445 PM EDT...
ENGLISH CREEK AND CORBIN CITY AROUND 450 PM EDT...
SOMERS POINT AND MARMORA AROUND 455 PM EDT...
OCEAN CITY AROUND 500 PM EDT...
LONGPORT AND 6 MILES SOUTHWEST OF VENTNOR CITY AROUND 505 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3924 7460 3898 7480 3892 7497 3916 7492
3917 7514 3934 7535 3895 7531 3905 7548
3944 7573 3946 7557 3932 7541 3946 7541
3952 7519 3946 7509 3954 7507 3954 7494
3937 7448 3934 7452 3935 7442
TIME...MOT...LOC 2036Z 296DEG 39KT 3940 7488
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 2:53 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Cumberland, Gloucester, Salem | 67 min |
| Jun 2, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 67 min |
| Jun 2, 4:22 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean | 53 min |
| Jun 2, 4:30 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jun 2, 4:40 PM EDT | Special Marine Warning | PHI | 95 min | |
| Jun 2, 5:03 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jun 2, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 38 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2009Severe Thunderstorm Warnings in Delaware, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.