Alert archive / New Jersey / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 58, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 9, 2009, 8:47 AM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 70 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 9, 2009, 8:47 AM EDT (12:47 UTC)
- Expired
- Jun 9, 2009, 9:57 AM EDT
- In force
- 70 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 Dover AFB radar (KDOX), 54 km from the middle of the area, began a volume at 12:50 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 nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 0.8 hours before the alert went out and 96 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
- 1272 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 091247
SVRPHI
NJC001-009-011-091415-
/O.NEW.KPHI.SV.W.0058.090609T1247Z-090609T1415Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
847 AM EDT TUE JUN 9 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
SOUTHERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1015 AM EDT
* AT 846 AM 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 6 MILES
SOUTHWEST OF NEWPORT...OR 15 MILES SOUTHWEST OF MILLVILLE...AND
MOVING EAST AT 15 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
NEWPORT AROUND 900 AM EDT...
BIVALVE AND PORT NORRIS AROUND 935 AM EDT...
ELDORA AROUND 1005 AM EDT...
BELLEPLAIN AROUND 1010 AM EDT...
DENNISVILLE...WOODBINE...GOSHEN AND 9 MILES NORTH OF CAPE MAY COURT
HOUSE AROUND 1015 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3907 7477 3909 7491 3915 7490 3917 7494
3918 7503 3920 7505 3917 7514 3920 7519
3923 7518 3926 7524 3929 7527 3929 7528
3931 7529 3935 7469
TIME...MOT...LOC 1247Z 273DEG 12KT 3923 7523
$$
KRUZDLO2 follow-up statements
000
WWUS51 KPHI 091341
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
941 AM EDT TUE JUN 9 2009
NJC001-009-011-091415-
/O.CON.KPHI.SV.W.0058.000000T0000Z-090609T1415Z/
CUMBERLAND NJ-CAPE MAY NJ-ATLANTIC NJ-
941 AM EDT TUE JUN 9 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM EDT
FOR SOUTH CENTRAL ATLANTIC...NORTHWESTERN CAPE MAY AND SOUTHEASTERN
CUMBERLAND COUNTIES...
AT 939 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED 16 MILES SOUTHWEST OF ATLANTIC CITY...MOVING EAST AT 35 MPH.
LAT...LON 3921 7507 3923 7507 3926 7507 3929 7505
3930 7504 3933 7502 3935 7469 3907 7477
3909 7491 3915 7490 3917 7494 3918 7503
3920 7505
TIME...MOT...LOC 1340Z 278DEG 29KT 3917 7460
$$
KRUZDLO000
WWUS51 KPHI 091357
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
957 AM EDT TUE JUN 9 2009
NJC001-009-011-091407-
/O.CAN.KPHI.SV.W.0058.000000T0000Z-090609T1415Z/
CUMBERLAND NJ-CAPE MAY NJ-ATLANTIC NJ-
957 AM EDT TUE JUN 9 2009
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ATLANTIC...
NORTHWESTERN CAPE MAY AND SOUTHEASTERN CUMBERLAND COUNTIES IS
CANCELLED...
LAT...LON 3921 7507 3923 7507 3926 7507 3929 7505
3930 7504 3933 7502 3935 7469 3907 7477
3909 7491 3915 7490 3917 7494 3918 7503
3920 7505
TIME...MOT...LOC 1357Z 278DEG 29KT 3915 7443
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 12:48 AM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 42 min |
| Jun 9, 2:20 AM EDT | Areal Flood Advisory | PHI | Morris | 100 min |
| Jun 9, 4:17 AM EDT | Dense Fog Advisory | PHI | Atlantic, Burlington, Camden, Hunterdon, Mercer, Middlesex and 3 more | 5 hr |
| Jun 9, 8:00 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Salem | 60 min |
| Jun 9, 8:06 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 54 min |
| Jun 9, 8:20 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 3 hr |
| Jun 9, 8:30 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester, Salem | 60 min |
| Jun 9, 8:42 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Gloucester, Mercer, Middlesex and 4 more | 3 hr |
| Jun 9, 8:43 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 62 min |
| Jun 9, 9:09 AM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May, Cumberland | 3 hr |
| Jun 9, 9:21 AM EDT | Special Marine Warning | PHI | 54 min | |
| Jun 9, 1:49 PM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 5 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.