Alert archive / New Jersey / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 56, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 23, 2015, 2:29 PM EDT for Morris County, Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 46 min. 2 reports 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 23, 2015, 2:29 PM EDT (18:29 UTC)
- Expired
- Jun 23, 2015, 3:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 135 km from the middle of the area, began a volume at 18:31 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 23, 2:55 PM EDT | TSTM WND DMG | Wantage, NJ | TREES DOWN ON CENTRAL SCHOOL ROAD |
| Jun 23, 3:00 PM EDT | TSTM WND DMG | Vernon Twp, NJ | TREES DOWN ON LAKE PANACHE ROAD |
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 23, 10:20 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.5 hours before the alert went out and 164 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
- 563 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1072 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
481
WUUS51 KPHI 231829
SVRPHI
NJC027-037-041-PAC089-095-231930-
/O.NEW.KPHI.SV.W.0056.150623T1829Z-150623T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
229 PM EDT TUE JUN 23 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
NORTHERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
SUSSEX COUNTY IN NORTHWESTERN NEW JERSEY...
NORTHEASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
EASTERN MONROE COUNTY IN NORTHEASTERN PENNSYLVANIA...
* UNTIL 330 PM EDT
* AT 228 PM EDT...DOPPLER RADAR INDICATED A DEVELOPING LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
NEAR SKYTOP TO ANALOMINK TO EAST BANGOR...AND MOVING EAST AT 75
MPH.
* LOCATIONS IMPACTED INCLUDE...
NEWTON...MONTAGUE...DOVER...HOPATCONG...EAST STROUDSBURG...
HACKETTSTOWN...WHARTON...ROCKAWAY...BLAIRSTOWN...BANGOR...MOUNT
ARLINGTON...FRANKLIN...MOUNTAIN LAKES...STANHOPE...PEN ARGYL...
HAMBURG...NETCONG...BELVIDERE...OXFORD AND OGDENSBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...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.
IN ADDITION TO DAMAGING WINDS...FREQUENT CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
4102 7443 4101 7439 4086 7447 4081 7523
4104 7535 4125 7524 4125 7513 4115 7515
4114 7509 4108 7503 4116 7490 4128 7484
4135 7475 4136 7469
TIME...MOT...LOC 1828Z 264DEG 64KT 4124 7516 4106 7525 4089 7516
$$4 follow-up statements
385
WWUS51 KPHI 231845
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
245 PM EDT TUE JUN 23 2015
PAC089-095-231854-
/O.CAN.KPHI.SV.W.0056.000000T0000Z-150623T1930Z/
NORTHAMPTON PA-MONROE PA-
245 PM EDT TUE JUN 23 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NORTHAMPTON AND
EASTERN MONROE COUNTIES IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
4102 7443 4101 7439 4086 7447 4082 7508
4085 7510 4087 7505 4098 7514 4109 7497
4109 7499 4110 7498 4116 7490 4128 7484
4135 7475 4136 7469
TIME...MOT...LOC 1844Z 263DEG 58KT 4126 7486 4108 7500 4091 7490
$$
NJC027-037-041-231930-
/O.CON.KPHI.SV.W.0056.000000T0000Z-150623T1930Z/
WARREN NJ-MORRIS NJ-SUSSEX NJ-
245 PM EDT TUE JUN 23 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTHERN WARREN...NORTHERN MORRIS AND SUSSEX COUNTIES...
AT 244 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
HAINESVILLE TO BUSHKILL TO NEAR GREAT MEADOWS-VIENNA...MOVING EAST AT
65 MPH.
LOCATIONS IMPACTED INCLUDE...
NEWTON...MONTAGUE...DOVER...HOPATCONG...HACKETTSTOWN...WHARTON...
ROCKAWAY...BLAIRSTOWN...MOUNT ARLINGTON...FRANKLIN...MOUNTAIN
LAKES...STANHOPE...HAMBURG...NETCONG...BELVIDERE...OXFORD...
OGDENSBURG...SUSSEX...HOPE AND VICTORY GARDENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...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.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
4102 7443 4101 7439 4086 7447 4082 7508
4085 7510 4087 7505 4098 7514 4109 7497
4109 7499 4110 7498 4116 7490 4128 7484
4135 7475 4136 7469
TIME...MOT...LOC 1844Z 263DEG 58KT 4126 7486 4108 7500 4091 7490
$$
TG/LF832
WWUS51 KPHI 231854
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
254 PM EDT TUE JUN 23 2015
NJC041-231902-
/O.CAN.KPHI.SV.W.0056.000000T0000Z-150623T1930Z/
WARREN NJ-
254 PM EDT TUE JUN 23 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WARREN COUNTY IS
CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED INTO SUSSEX COUNTY.
LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
4102 7443 4101 7439 4086 7447 4090 7476
4098 7482 4105 7484 4113 7486 4117 7488
4128 7484 4135 7475 4136 7469
TIME...MOT...LOC 1852Z 271DEG 59KT 4132 7475 4123 7470 4115 7474 4106
7476 4096 7473
$$
NJC027-037-231930-
/O.CON.KPHI.SV.W.0056.000000T0000Z-150623T1930Z/
MORRIS NJ-SUSSEX NJ-
254 PM EDT TUE JUN 23 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTHERN MORRIS AND SUSSEX COUNTIES...
AT 252 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
MONTAGUE TO NEAR PELLETTOWN TO BRANCHVILLE TO NEWTON TO ANDOVER...
MOVING EAST AT 65 MPH. THE STRONGEST STORM IN THE LINE IS NEAR
BRANCHVILLE.
LOCATIONS IMPACTED INCLUDE...
NEWTON...MONTAGUE...DOVER...HOPATCONG...WHARTON...ROCKAWAY...MOUNT
ARLINGTON...FRANKLIN...MOUNTAIN LAKES...STANHOPE...HAMBURG...
NETCONG...OGDENSBURG...SUSSEX...VICTORY GARDENS...BRANCHVILLE...
ANDOVER...HIGH POINT...LAKE MOHAWK AND HAINESVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...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.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
4102 7443 4101 7439 4086 7447 4090 7476
4098 7482 4105 7484 4113 7486 4117 7488
4128 7484 4135 7475 4136 7469
TIME...MOT...LOC 1852Z 271DEG 59KT 4132 7475 4123 7470 4115 7474 4106
7476 4096 7473
$$889
WWUS51 KPHI 231908
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
308 PM EDT TUE JUN 23 2015
NJC027-037-231930-
/O.CON.KPHI.SV.W.0056.000000T0000Z-150623T1930Z/
MORRIS NJ-SUSSEX NJ-
308 PM EDT TUE JUN 23 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTHEASTERN MORRIS AND NORTHEASTERN SUSSEX COUNTIES...
AT 307 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
UNIONVILLE TO NEAR VERNON VALLEY TO HIGHLAND LAKE TO NEAR GREEN POND
TO LAKE TELEMARK...MOVING EAST AT 75 MPH.
LOCATIONS IMPACTED INCLUDE...
ROCKAWAY...FRANKLIN...MOUNTAIN LAKES...HAMBURG...OGDENSBURG...
SUSSEX...UNIONVILLE...VERNON VALLEY...HIGHLAND LAKE...LAKE
TELEMARK...GREEN POND AND WHITE MEADOW LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
THESE STORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE. TREES HAVE
BEEN REPORTED DOWN IN MONROE COUNTY. THIS IS A DANGEROUS SITUATION.
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
4102 7443 4101 7439 4086 7447 4099 7460
4114 7460 4119 7458 4124 7463 4127 7462
4131 7458
TIME...MOT...LOC 1907Z 264DEG 64KT 4134 7449 4125 7444 4117 7448 4108
7450 4098 7447
$$893
WWUS51 KPHI 231915
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
315 PM EDT TUE JUN 23 2015
NJC027-037-231925-
/O.CAN.KPHI.SV.W.0056.000000T0000Z-150623T1930Z/
MORRIS NJ-SUSSEX NJ-
315 PM EDT TUE JUN 23 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MORRIS AND
NORTHEASTERN SUSSEX COUNTIES IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
4102 7443 4101 7439 4086 7447 4099 7460
4114 7460 4119 7458 4124 7463 4127 7462
4131 7458
TIME...MOT...LOC 1913Z 264DEG 64KT 4135 7434 4126 7429 4118 7433 4109
7435 4099 7432
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 9:10 AM EDT | Special Weather Statement | PHI | Sussex | 35 min |
| Jun 23, 11:13 AM EDT | Special Weather Statement | PHI | Warren | 32 min |
| Jun 23, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 52 min |
| Jun 23, 5:44 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 4 hr |
| Jun 23, 5:58 PM EDT | Tornado Warning | PHI | Burlington, Camden, Gloucester | 20 min |
| Jun 23, 6:02 PM EDT | Special Weather Statement | PHI | Morris, Sussex, Warren | 43 min |
| Jun 23, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 77 min |
| Jun 23, 6:14 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 4 hr |
| Jun 23, 6:18 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 4 hr |
| Jun 23, 6:24 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jun 23, 6:41 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 4 hr |
| Jun 23, 7:44 PM EDT | Special Marine Warning | PHI | 91 min | |
| Jun 23, 7:58 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland | 47 min |
| Jun 23, 8:30 AM EDT | Special Weather Statement | PHI | Monroe | 60 min |
| Jun 23, 10:37 AM EDT | Special Weather Statement | PHI | Carbon, Monroe | 38 min |
| Jun 23, 1:31 PM EDT | Special Weather Statement | PHI | Carbon, Monroe, Northampton | 59 min |
| Jun 23, 1:41 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 49 min |
| Jun 23, 3:49 PM EDT | Special Weather Statement | PHI | Berks, Bucks, Chester, Montgomery | 86 min |
| Jun 23, 4:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 24 min |
| Jun 23, 4:44 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 61 min |
| Jun 23, 5:05 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 40 min |
| Jun 23, 5:19 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 4 hr |
| Jun 23, 5:22 PM EDT | Tornado Warning | PHI | Chester | 23 min |
| Jun 23, 5:28 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 47 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2015Severe Thunderstorm Warnings in Pennsylvania, 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.