Alert archive / New Jersey / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jan 4, 2015, 8:42 PM EST for 4 counties in New Jersey. It was in force for 33 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
- Jan 4, 2015, 8:42 PM EST (01:42 UTC)
- Expired
- Jan 4, 2015, 9:15 PM EST
- In force
- 33 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 01:42 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 |
|---|---|---|---|
| Jan 4, 8:58 PM EST | TSTM WND DMG | Millville, NJ | TREES REPORTED DOWN IN THE MILLVILLE AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.7 hours before the alert went out and 181 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
- 86 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 243 m²/s²
- 0-3 km storm-relative helicity
- 301 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
090
WUUS51 KPHI 050142
SVRPHI
NJC001-011-015-033-050215-
/O.NEW.KPHI.SV.W.0001.150105T0142Z-150105T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
842 PM EST SUN JAN 4 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 915 PM EST
* AT 836 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THE STORM WAS NEAR GREENWICH...MOVING EAST AT
75 MPH. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
SOUTH VINELAND AND MILLVILLE AROUND 850 PM EST...
VINELAND AND BUENA AROUND 855 PM EST...
MIZPAH AND WEYMOUTH AROUND 900 PM EST...
ELWOOD-MAGNOLIA AND MAYS LANDING AROUND 905 PM EST...
EGG HARBOR CITY AND POMONA AROUND 910 PM EST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE WINDS OF MORE THAN 57 MPH...OR HAIL ONE
INCH OR LARGER.
&&
LAT...LON 3944 7445 3924 7520 3929 7526 3928 7529
3930 7532 3942 7542 3963 7490 3961 7487
3967 7481 3971 7471 3968 7467 3962 7465
3962 7462 3957 7454 3957 7451
TIME...MOT...LOC 0142Z 248DEG 66KT 3936 7522
$$
SZATKOWSKI1 follow-up statement
312
WWUS51 KPHI 050203
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
903 PM EST SUN JAN 4 2015
NJC001-011-015-033-050215-
/O.CON.KPHI.SV.W.0001.000000T0000Z-150105T0215Z/
GLOUCESTER NJ-ATLANTIC NJ-SALEM NJ-CUMBERLAND NJ-
903 PM EST SUN JAN 4 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EST
FOR CUMBERLAND...SOUTHEASTERN SALEM...ATLANTIC AND SOUTHEASTERN
GLOUCESTER COUNTIES...
AT 900 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MIZPAH...OR 10 MILES
EAST OF VINELAND...MOVING EAST AT 65 MPH.
THIS STORM PRODUCED A WIND GUST TO 48 MILES AN HOUR AS IT MOVED
THROUGH MILLVILLE NJ.
THE SEVERE THUNDERSTORM WILL BE NEAR...
EGG HARBOR CITY...PORT REPUBLIC...6 MILES NORTH OF POMONA AND 9
MILES NORTH OF ABSECON BY 910 PM EST...
LAT...LON 3944 7445 3924 7520 3929 7526 3928 7529
3930 7532 3942 7542 3963 7490 3961 7487
3967 7481 3971 7471 3968 7467 3962 7465
3962 7462 3957 7454 3957 7451
TIME...MOT...LOC 0202Z 248DEG 66KT 3949 7477
$$
SZATKOWSKIThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 8:16 PM EST | Special Marine Warning | PHI | 59 min | |
| Jan 4, 8:36 PM EST | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Ocean | 54 min |
| Jan 4, 8:51 PM EST | Special Marine Warning | PHI | 39 min | |
| Jan 5, 10:24 AM EST | Small Craft Advisory | PHI | 14 hr | |
| Jan 5, 3:26 PM EST | Winter Weather Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 27 hr |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2015Every severe thunderstorm warning in 2015
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.