Alert archive / New Jersey / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 35, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 12, 2015, 3:13 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 37 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 12, 2015, 3:13 PM EDT (19:13 UTC)
- Expired
- Jun 12, 2015, 3:50 PM EDT
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 99 km from the middle of the area, began a volume at 19:14 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
Brookhaven, NY (KOKX), launched 12:00Z, 7.2 hours before the alert went out and 128 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
- 2083 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
241
WUUS51 KPHI 121913
SVRPHI
NJC027-035-122000-
/O.NEW.KPHI.SV.W.0035.150612T1913Z-150612T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
313 PM EDT FRI JUN 12 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
NORTH CENTRAL SOMERSET COUNTY IN NORTHERN NEW JERSEY...
* UNTIL 400 PM EDT
* AT 313 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
WAS LOCATED OVER MENDHAM...OR 8 MILES WEST OF MORRISTOWN...AND
MOVING EAST AT 20 MPH.
* THIS SEVERE THUNDERSTORM WILL BE NEAR...
MENDHAM AROUND 320 PM EDT.
DOVER AROUND 345 PM EDT.
VICTORY GARDENS AROUND 350 PM EDT.
MORRISTOWN AROUND 355 PM EDT.
MADISON...FLORHAM PARK...EAST HANOVER...CHATHAM...ROCKAWAY...MORRIS
PLAINS...MOUNTAIN LAKES AND PARSIPPANY AROUND 400 PM EDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HANOVER
TOWNSHIP AND BERNARDSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4090 7427 4091 7433 4088 7434 4086 7432
4082 7434 4079 7437 4076 7438 4075 7436
4074 7437 4074 7467 4080 7469 4090 7453
4095 7428 4092 7429
TIME...MOT...LOC 1913Z 250DEG 10KT 4077 7464
$$
JJM2 follow-up statements
619
WWUS51 KPHI 121938
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
338 PM EDT FRI JUN 12 2015
NJC035-121946-
/O.CAN.KPHI.SV.W.0035.000000T0000Z-150612T2000Z/
SOMERSET NJ-
338 PM EDT FRI JUN 12 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SOMERSET COUNTY
IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4090 7427 4091 7433 4088 7434 4086 7432
4082 7434 4079 7437 4077 7457 4083 7459
4095 7428 4092 7429
TIME...MOT...LOC 1936Z 250DEG 10KT 4079 7456
$$
NJC027-122000-
/O.CON.KPHI.SV.W.0035.000000T0000Z-150612T2000Z/
MORRIS NJ-
338 PM EDT FRI JUN 12 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EAST CENTRAL MORRIS COUNTY...
AT 336 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED OVER MENDHAM...OR NEAR MORRISTOWN. THIS STORM WAS
MOVING EAST AT 20 MPH.
THIS SEVERE STORM WILL BE NEAR...
MORRISTOWN AROUND 355 PM EDT.
EAST HANOVER...MORRIS PLAINS...MOUNTAIN LAKES AND PARSIPPANY AROUND
400 PM EDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HANOVER
TOWNSHIP.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
HEAVYRAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO
POOR DRAINAGE FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4090 7427 4091 7433 4088 7434 4086 7432
4082 7434 4079 7437 4077 7457 4083 7459
4095 7428 4092 7429
TIME...MOT...LOC 1936Z 250DEG 10KT 4079 7456
$$
JJM942
WWUS51 KPHI 121950
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
350 PM EDT FRI JUN 12 2015
NJC027-121959-
/O.CAN.KPHI.SV.W.0035.000000T0000Z-150612T2000Z/
MORRIS NJ-
350 PM EDT FRI JUN 12 2015
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MORRIS COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4090 7427 4091 7433 4088 7434 4086 7432
4082 7434 4079 7437 4077 7457 4083 7459
4095 7428 4092 7429
TIME...MOT...LOC 1948Z 250DEG 10KT 4080 7451
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 2:26 PM EDT | Special Weather Statement | PHI | Morris | 34 min |
| Jun 12, 3:05 PM EDT | Special Weather Statement | PHI | Morris | 55 min |
| Jun 12, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 49 min |
| Jun 12, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 28 min |
| Jun 12, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 67 min |
| Jun 12, 7:27 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 33 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.