Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 7, NWS Philadelphia/Mount Holly

February 7, 20208 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 7, 2020, 10:10 AM EST for 8 counties in New Jersey. It was in force for 65 min. 14 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: Feb 7, 2020, 10:10 AM EST (15:10 UTC)
Expired: Feb 7, 2020, 11:15 AM EST
In force: 65 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 20 km from the middle of the area, began a volume at 15:11 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
Feb 7, 10:13 AM EST	TSTM WND DMG	Millville, NJ	TREES DOWN AND FENCES BLOWN OVER NEAR MILLVILLE. TIME ESTIMATED FROM RADAR.
Feb 7, 10:15 AM EST	TSTM WND GST 60	Fortescue, NJ
Feb 7, 10:18 AM EST	TSTM WND DMG	3 Wsw Malaga, NJ	DOWNED TREES AND WIRES NEAR CROW POND ROAD. TIME ESTIMATED FROM RADAR.
Feb 7, 10:28 AM EST	TSTM WND DMG	4 E Estell Manor, NJ	DOWNED TREE AND WIRES ON NJ-50 SOUTHBOUND NORTH OF HONEST JOHN RD. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR.
Feb 7, 10:30 AM EST	TSTM WND DMG	Hammonton, NJ	LARGE TREE DOWN ONTO POWER LINES ACROSS CENTRAL AVE. REPORT VIA SOCIAL MEDIA WITH A PHOTO. TIME ESTIMATED FROM RADAR.
Feb 7, 10:30 AM EST	TSTM WND DMG	Mays Landing, NJ	REPORT VIA SOCIAL MEDIA WITH PHOTOS. DAMAGE TO A CARPORT AND FENCING.
Feb 7, 10:30 AM EST	TSTM WND DMG	Villas, NJ	ANTENNA MAST DOWNED ON WEST OCEAN AVE DUE TO HIGH WINDS.
Feb 7, 10:30 AM EST	TSTM WND DMG	Villas, NJ	TREE DOWN ON A HOUSE ON PACIFIC AVE.
Feb 7, 10:32 AM EST	TSTM WND DMG	1 W Green Creek, NJ	WIRES DOWN ON LAFAYETTE ST.
Feb 7, 10:33 AM EST	TSTM WND DMG	Upper Twp, NJ	REPORT OF A TREE DOWN ACROSS ROUTE 9 AND TRAFFIC LIGHTS DOWN ON CARS IN UPPER TWP. TIME ESTIMATED FROM RADAR.
Feb 7, 10:46 AM EST	TSTM WND DMG	2 Sw Port Republic, NJ	DOWNED TREE LIMBS AND POWER LINES. MPING REPORT. TIME ESTIMATED FROM RADAR.
Feb 7, 10:50 AM EST	TSTM WND DMG	Goshen, NJ	TREE DOWN ACROSS THE ROAD ON GOSHEN RD.
Feb 7, 11:00 AM EST	TSTM WND GST 60	5 Se Mystic Island, NJ	HADS SENSOR.
Feb 7, 11:02 AM EST	TSTM WND GST 65	4 Se Mystic Island, NJ	WEATHERFLOW SITE XTUK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 3.2 hours before the alert went out and 178 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 469 m above ground
0-6 km bulk shear: 105 kt
0-1 km storm-relative helicity: 650 m²/s²
0-3 km storm-relative helicity: 811 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

655 
WUUS51 KPHI 071510
SVRPHI
NJC001-005-007-009-011-015-029-033-071615-
/O.NEW.KPHI.SV.W.0007.200207T1510Z-200207T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1010 AM EST Fri Feb 7 2020

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Atlantic County in southern New Jersey...
  Cumberland County in southern New Jersey...
  East central Salem County in southern New Jersey...
  Ocean County in southern New Jersey...
  Southeastern Camden County in southern New Jersey...
  Southeastern Gloucester County in southern New Jersey...
  Cape May County in southern New Jersey...
  Burlington County in southern New Jersey...

* Until 1115 AM EST.

* At 1010 AM EST, severe thunderstorms were located along a line
  extending from Olivet to near Fortesque to 7 miles northwest of
  Lewes, moving northeast at 65 mph.

  HAZARD...70 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Toms River, Vineland, Atlantic City, Millville, Bridgeton, Ocean
  City, Cape May, Cumberland, Lakewood, Jackson, Barnegat,
  Pleasantville, Glassboro, Hammonton, Beachwood, Somers Point,
  Ventnor City, Brigantine, Northfield and Absecon.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 40.
 Garden State Parkway between mile markers 0 and 94.
 Interstate 195 in New Jersey between mile markers 17 and 26.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3966 7403 3919 7434 3909 7449 3889 7497
      3909 7506 3919 7525 3944 7538 4008 7456
      4017 7441 4017 7426 4011 7423 4010 7415
      4014 7411 4009 7407 4012 7405 4010 7404
      4014 7402 4014 7400
TIME...MOT...LOC 1510Z 238DEG 56KT 3955 7515 3918 7512 3887 7523 

HAIL...0.75IN
WIND...70MPH
 
$$

Staarmann

2 follow-up statements

214 
WWUS51 KPHI 071556
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1056 AM EST Fri Feb 7 2020

NJC011-015-033-071604-
/O.CAN.KPHI.SV.W.0007.000000T0000Z-200207T1615Z/
Cumberland NJ-Salem NJ-Gloucester NJ-
1056 AM EST Fri Feb 7 2020

...THE SEVERE THUNDERSTORM WARNING FOR CUMBERLAND...EAST CENTRAL
SALEM AND SOUTHEASTERN GLOUCESTER COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled. A High Wind Warning 
remains in effect for Cumberland County.

LAT...LON 3966 7403 3919 7434 3909 7449 3902 7465
      3923 7487 3957 7481 3975 7498 4008 7456
      4017 7441 4017 7426 4011 7423 4010 7415
      4013 7410 4009 7407 4014 7400
TIME...MOT...LOC 1554Z 246DEG 60KT 3997 7440 3954 7423 3921 7436 

$$

NJC001-005-007-009-029-071615-
/O.CON.KPHI.SV.W.0007.000000T0000Z-200207T1615Z/
Atlantic NJ-Ocean NJ-Camden NJ-Cape May NJ-Burlington NJ-
1056 AM EST Fri Feb 7 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM EST
FOR ATLANTIC...OCEAN...SOUTHEASTERN CAMDEN...NORTHEASTERN CAPE MAY
AND BURLINGTON COUNTIES...

At 1054 AM EST, severe thunderstorms were located along a line
extending from Cedar Glen Lakes to 6 miles southeast of Tuckerton to
11 miles southeast of Atlantic City, moving northeast at 70 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated. Cape May Harbor reported a 73 mph wind 
         gust at 10:30 AM EST.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Toms River, Atlantic City, Ocean City, Lakewood, Jackson, Barnegat,
Pleasantville, Hammonton, Beachwood, Somers Point, Ventnor City,
Brigantine, Northfield, Absecon, Berlin, Tabernacle, Shamong, Margate
City, Manasquan and Point Pleasant Beach.

This includes the following highways...
 Atlantic City Expressway between mile markers 0 and 35.
 Garden State Parkway between mile markers 15 and 93.
 Interstate 195 in New Jersey between mile markers 17 and 26.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3966 7403 3919 7434 3909 7449 3902 7465
      3923 7487 3957 7481 3975 7498 4008 7456
      4017 7441 4017 7426 4011 7423 4010 7415
      4013 7410 4009 7407 4014 7400
TIME...MOT...LOC 1554Z 246DEG 60KT 3997 7440 3954 7423 3921 7436 

HAIL...0.75IN
WIND...70MPH
 
$$

Staarmann

605 
WWUS51 KPHI 071614
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1114 AM EST Fri Feb 7 2020

NJC001-005-007-009-029-071623-
/O.EXP.KPHI.SV.W.0007.000000T0000Z-200207T1615Z/
Atlantic NJ-Ocean NJ-Camden NJ-Cape May NJ-Burlington NJ-
1114 AM EST Fri Feb 7 2020

...THE SEVERE THUNDERSTORM WARNING FOR ATLANTIC...OCEAN...
SOUTHEASTERN CAMDEN...NORTHEASTERN CAPE MAY AND BURLINGTON COUNTIES
WILL EXPIRE AT 1115 AM EST...

The storms which prompted the warning have !** weakened. moved out of
the warned area. Therefore, the warning will be allowed to expire.
However gusty winds are still possible behind these thunderstorms 
and a High Wind Warning is in effect along the coast, and a Wind 
Advisory further inland.


LAT...LON 3966 7403 3919 7434 3909 7449 3902 7465
      3923 7487 3957 7481 3975 7498 4008 7456
      4017 7441 4017 7426 4011 7423 4010 7415
      4013 7410 4009 7407 4014 7400
TIME...MOT...LOC 1613Z 238DEG 56KT 3997 7440 3954 7423 3921 7436 

$$

NC

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 6, 8:13 PM EST	Storm Warning	PHI		21 hr
Feb 6, 8:24 PM EST	High Wind Warning	PHI	Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean	21 hr
Feb 7, 8:03 AM EST	Coastal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer, Salem	11 hr
Feb 7, 8:18 AM EST	Coastal Flood Statement	PHI	Ocean	11 hr
Feb 7, 9:36 AM EST	Severe Thunderstorm Warning	PHI	Gloucester, Salem	39 min
Feb 7, 9:39 AM EST	Tornado Warning	PHI	Gloucester, Salem	36 min
Feb 7, 9:43 AM EST	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	62 min
Feb 7, 10:14 AM EST	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 3 more	61 min
Feb 7, 10:43 AM EST	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren	47 min
Feb 7, 11:01 AM EST	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth, Ocean	44 min
Feb 7, 3:27 PM EST	Gale Warning	PHI		9 hr
Feb 7, 6:53 PM EST	Low Water Advisory	PHI		9 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2020 Every 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.