Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 300, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 15, 2020, 8:54 PM EST for 6 counties in New Jersey. It was in force for 51 min. 15 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
- Nov 15, 2020, 8:54 PM EST (01:54 UTC)
- Expired
- Nov 15, 2020, 9:45 PM EST
- In force
- 51 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 31 km from the middle of the area, began a volume at 01:53 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 |
|---|---|---|---|
| Nov 15, 8:54 PM EST | TSTM WND GST 59 | Mantoloking, NJ | HADS GAUGE. |
| Nov 15, 8:54 PM EST | TSTM WND GST 59 | Mantoloking, NJ | HADS SENSOR. GUST WAS IN ADVANCE OF THE CONVECTION. |
| Nov 15, 9:00 PM EST | TSTM WND DMG | 1 E Lakewood, NJ | SEVERAL REPORTS OF DOWNED TREE LIMBS AND WIRES IN THE AREA. TIME ESTIMATED FROM RADAR. |
| Nov 15, 9:00 PM EST | TSTM WND GST 55 | 3 Sw Mullica Twp, NJ | MULLICA TWP NJWXNET GAUGE. |
| Nov 15, 9:06 PM EST | TSTM WND DMG | Point Pleasant, NJ | DOWNED TREE LIMBS AND WIRES IN THE AREA. TIME ESTIMATED FROM RADAR. |
| Nov 15, 9:06 PM EST | TSTM WND DMG | Toms River, NJ | SEVERAL REPORTS OF DOWNED TREES AND WIRES IN THE AREA. TIME ESTIMATED FROM RADAR. |
| Nov 15, 9:18 PM EST | TSTM WND DMG | 1 Sw Lacey Twp, NJ | DOWNED TREE ON GARDEN STATE PARKWAY NEAR EXIT 74 (LACEY TOWNSHIP). 1 LANE BLOCKED. TIME ESTIMATED FROM RADAR. |
| Nov 15, 9:20 PM EST | TSTM WND DMG | West Creek, NJ | A TREE WAS UPROOTED IN WEST CREEK. REPORT VIA SOCIAL MEDIA WITH A PHOTO. TIME ESTIMATED FROM RADAR. |
| Nov 15, 9:21 PM EST | TSTM WND GST 58 | 4 Se Mystic Island, NJ | WEATHERFLOW GAUGE. |
| Nov 15, 9:26 PM EST | TSTM WND GST 58 | 2 Sw Beach Haven, NJ | |
| Nov 15, 9:30 PM EST | TSTM WND GST 61 | 1 Nw Barnegat Light, NJ | WEATHERFLOW GAUGE. |
| Nov 15, 9:30 PM EST | TSTM WND GST 65 | 1 Ssw North Cape May, NJ | NOS GAUGE CMAN4. |
| Nov 15, 9:30 PM EST | MARINE TSTM WIND 61 | Barnegat Light, NJ | WEATHERFLOW GAUGE. |
| Nov 15, 9:34 PM EST | TSTM WND DMG | 1 Nne Wildwood, NJ | MULTIPLE REPORTS OF POWER OUTAGES WITH BLOWN TRANSFORMERS INCLUDING NEAR WILDWOOD SCHOONER ISLAND MARINA AND LIGHT HOUSE MARINA. |
| Nov 15, 9:53 PM EST | TSTM WND GST 62 | 4 Se Mystic Island, NJ | WEATHERFLOW GAUGE. |
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 |
|---|---|---|---|
| Nov 15, 5:35 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.9 hours before the alert went out and 189 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
- 633 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 741 m²/s²
- 0-3 km storm-relative helicity
- 834 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
855
WUUS51 KPHI 160154
SVRPHI
NJC001-005-009-011-025-029-160245-
/O.NEW.KPHI.SV.W.0300.201116T0154Z-201116T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
854 PM EST Sun Nov 15 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Atlantic County in southern New Jersey...
Southeastern Cumberland County in southern New Jersey...
Ocean County in southern New Jersey...
Cape May County in southern New Jersey...
Southeastern Burlington County in southern New Jersey...
Southeastern Monmouth County in central New Jersey...
* Until 945 PM EST.
* At 853 PM EST, intense showers and some embedded severe
thunderstorms were located along a line extending from Freewood
Acres to Wharton State Forest to near Fortesque, moving east at 45
mph.
This line has a history of producing areas of wind damage.
This line may contain little or no lightning. Do not wait until
you hear thunder before taking cover.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Toms River, Vineland, Atlantic City, Millville, Ocean City, Cape
May, Cumberland, Lakewood, Jackson, Barnegat, Pleasantville,
Hammonton, Beachwood, Somers Point, Ventnor City, Brigantine,
Northfield, Absecon, Margate City and Manasquan.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 21 and 32.
Garden State Parkway between mile markers 0 and 98.
Atlantic City Expressway between mile markers 0 and 26.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4016 7395 3972 7408 3936 7436 3887 7494
3916 7523 3972 7470 4018 7433
TIME...MOT...LOC 0153Z 277DEG 39KT 4018 7424 3971 7462 3921 7514
HAIL...<.75IN
WIND...60MPH
$$
Gorse2 follow-up statements
852
WWUS51 KPHI 160217
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
917 PM EST Sun Nov 15 2020
NJC001-005-009-011-025-029-160245-
/O.CON.KPHI.SV.W.0300.000000T0000Z-201116T0245Z/
Atlantic NJ-Cumberland NJ-Ocean NJ-Cape May NJ-Burlington NJ-
Monmouth NJ-
917 PM EST Sun Nov 15 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EST
FOR ATLANTIC...SOUTHEASTERN CUMBERLAND...OCEAN...CAPE MAY...
SOUTHEASTERN BURLINGTON AND SOUTHEASTERN MONMOUTH COUNTIES...
At 916 PM EST, intense showers with some embedded severe
thunderstorms were located along a line extending from 7 miles
southeast of Asbury Park to near Beachwood to Tuckerton to near
Marmora to near North Cape May, moving east at 50 mph.
This line has a history of producing areas of wind damage.
This line may contain little or no lightning. Do not wait until you
hear thunder before taking cover.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Toms River, Atlantic City, Ocean City, Cape May, Lakewood, Barnegat,
Pleasantville, Beachwood, Somers Point, Ventnor City, Brigantine,
Northfield, Absecon, Margate City, Manasquan, Point Pleasant Beach,
Egg Harbor City, North Wildwood, Tuckerton and Wildwood Crest.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 31 and 32.
Garden State Parkway between mile markers 0 and 97.
Atlantic City Expressway between mile markers 0 and 18.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4016 7396 4011 7397 3972 7408 3936 7436
3887 7494 3910 7517 3965 7455 4017 7418
TIME...MOT...LOC 0216Z 278DEG 42KT 4016 7390 3985 7417 3960 7435 3927
7469 3902 7503
HAIL...<.75IN
WIND...60MPH
$$
Gorse439
WWUS51 KPHI 160241
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
941 PM EST Sun Nov 15 2020
NJC001-005-009-011-025-029-160250-
/O.EXP.KPHI.SV.W.0300.000000T0000Z-201116T0245Z/
Atlantic NJ-Cumberland NJ-Ocean NJ-Cape May NJ-Burlington NJ-
Monmouth NJ-
941 PM EST Sun Nov 15 2020
...THE SEVERE THUNDERSTORM WARNING FOR ATLANTIC...SOUTHEASTERN
CUMBERLAND...OCEAN...CAPE MAY...SOUTHEASTERN BURLINGTON AND
SOUTHEASTERN MONMOUTH COUNTIES WILL EXPIRE AT 945 PM EST...
The storms which prompted the warning have moved out of most of the
area, and will clear Cape May County soon. Therefore, the warning
will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1100 PM EST for
southern and central New Jersey.
LAT...LON 4016 7396 4011 7397 3972 7408 3936 7436
3887 7494 3910 7517 3965 7455 4017 7418
TIME...MOT...LOC 0240Z 277DEG 39KT 4013 7357 3982 7384 3957 7402 3924
7436 3899 7470
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 15, 7:31 PM EST | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more | 74 min |
| Nov 15, 7:50 PM EST | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 70 min |
| Nov 15, 8:12 PM EST | Special Marine Warning | PHI | 63 min | |
| Nov 15, 8:39 PM EST | Special Marine Warning | PHI | 2 hr | |
| Nov 15, 8:43 PM EST | Severe Thunderstorm Warning | PHI | Monmouth | 47 min |
| Nov 15, 9:53 PM EST | Small Craft Advisory | PHI | 27 hr | |
| Nov 15, 11:02 PM EST | Coastal Flood Statement | PHI | Ocean | 3 hr |
| Nov 16, 3:20 PM EST | Gale Watch | PHI | 13 hr |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2020Every severe thunderstorm warning in 2020
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.