Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 187, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 18, 2016, 12:05 AM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 40 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
- Aug 18, 2016, 12:05 AM EDT (04:05 UTC)
- Expired
- Aug 18, 2016, 12:45 AM EDT
- In force
- 40 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 04:08 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 |
|---|---|---|---|
| Aug 18, 12:15 AM EDT | MARINE TSTM WIND 46 | Cape May, NJ |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 00:00Z, 4.1 hours before the alert went out and 120 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
- 138 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1550 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
773
WUUS51 KPHI 180405
SVRPHI
NJC001-009-011-180445-
/O.NEW.KPHI.SV.W.0187.160818T0405Z-160818T0445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1205 AM EDT THU AUG 18 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
SOUTH CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1245 AM EDT
* AT 1204 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES EAST OF BIG STONE BEACH TO 22 MILES EAST OF
MILLVILLE...MOVING NORTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
OCEAN CITY...CAPE MAY...SOMERS POINT...NORTHFIELD...MARGATE CITY...
NORTH WILDWOOD...WILDWOOD CREST...WOODBINE...SEA ISLE CITY...
ESTELL MANOR...AVALON...WEST CAPE MAY...LONGPORT...STONE HARBOR...
CORBIN CITY...CAPE MAY COURT HOUSE...SCOTCH BONNET...MARMORA...
STRATHMERE AND NORTH CAPE MAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3919 7462 3891 7486 3893 7500 3915 7492
3918 7502 3944 7464 3930 7447
TIME...MOT...LOC 0404Z 230DEG 36KT 3899 7516 3856 7471
HAIL...<.75IN
WIND...60MPH
$$
MWG2 follow-up statements
822
WWUS51 KPHI 180431
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1231 AM EDT THU AUG 18 2016
NJC011-180441-
/O.CAN.KPHI.SV.W.0187.000000T0000Z-160818T0445Z/
CUMBERLAND NJ-
1231 AM EDT THU AUG 18 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CUMBERLAND COUNTY
IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 3930 7447 3919 7462 3891 7486 3893 7500
3915 7492 3944 7464
TIME...MOT...LOC 0431Z 230DEG 36KT 3915 7492 3872 7447
$$
NJC001-009-180445-
/O.CON.KPHI.SV.W.0187.000000T0000Z-160818T0445Z/
CAPE MAY NJ-ATLANTIC NJ-
1231 AM EDT THU AUG 18 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR CAPE MAY AND SOUTH CENTRAL ATLANTIC COUNTIES...
AT 1231 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR GOSHEN TO 26 MILES SOUTHEAST OF DIAMOND BEACH...
MOVING NORTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
OCEAN CITY...CAPE MAY...SOMERS POINT...NORTHFIELD...MARGATE CITY...
NORTH WILDWOOD...WILDWOOD CREST...WOODBINE...SEA ISLE CITY...
ESTELL MANOR...AVALON...WEST CAPE MAY...LONGPORT...STONE HARBOR...
CORBIN CITY...CAPE MAY COURT HOUSE...SCOTCH BONNET...MARMORA...
STRATHMERE AND NORTH CAPE MAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3930 7447 3919 7462 3891 7486 3893 7500
3915 7492 3944 7464
TIME...MOT...LOC 0431Z 230DEG 36KT 3915 7492 3872 7447
HAIL...<.75IN
WIND...60MPH
$$
MWG713
WWUS51 KPHI 180441
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1241 AM EDT THU AUG 18 2016
NJC001-009-180451-
/O.EXP.KPHI.SV.W.0187.000000T0000Z-160818T0445Z/
CAPE MAY NJ-ATLANTIC NJ-
1241 AM EDT THU AUG 18 2016
...THE SEVERE THUNDERSTORM WARNING FOR CAPE MAY AND SOUTH CENTRAL
ATLANTIC COUNTIES WILL EXPIRE AT 1245 AM EDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 3930 7447 3919 7462 3891 7486 3893 7500
3915 7492 3944 7464
TIME...MOT...LOC 0438Z 230DEG 36KT 3915 7492 3872 7447
$$
MWGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 10:51 PM EDT | Special Marine Warning | PHI | 54 min | |
| Aug 17, 11:16 PM EDT | Special Weather Statement | PHI | Cumberland, Salem | 44 min |
| Aug 17, 11:46 PM EDT | Special Weather Statement | PHI | Cape May | 59 min |
| Aug 17, 11:54 PM EDT | Special Marine Warning | PHI | 51 min | |
| Aug 18, 12:00 AM EDT | Special Weather Statement | PHI | Atlantic | 45 min |
| Aug 18, 12:21 AM EDT | Special Marine Warning | PHI | 54 min | |
| Aug 18, 12:36 AM EDT | Special Marine Warning | PHI | 54 min | |
| Aug 18, 1:24 AM EDT | Special Marine Warning | PHI | 66 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2016Every severe thunderstorm warning in 2016
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.