Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 257, NWS Philadelphia/Mount Holly

July 21, 2019Burlington County, Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 21, 2019, 11:54 PM EDT for Burlington County, Monmouth County, Ocean County, New Jersey. It was in force for 51 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: Jul 21, 2019, 11:54 PM EDT (03:54 UTC)
Expired: Jul 22, 2019, 12:45 AM EDT
In force: 51 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Burlington County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 25 km from the middle of the area, began a volume at 03:57 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
Jul 22, 12:08 AM EDT	TSTM WND DMG	2 Nne Pemberton, NJ	DOWNED WIRES ON ODD FELLOWS ROAD. TIME ESTIMATED FROM RADAR.

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 00:00Z, 3.9 hours before the alert went out and 184 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: 2295 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1588 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

As transmitted.

856 
WUUS51 KPHI 220354
SVRPHI
NJC005-025-029-220445-
/O.NEW.KPHI.SV.W.0257.190722T0354Z-190722T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1154 PM EDT Sun Jul 21 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Ocean County in southern New Jersey...
  Northeastern Burlington County in southern New Jersey...
  Southwestern Monmouth County in central New Jersey...

* Until 1245 AM EDT.

* At 1154 PM EDT, a severe thunderstorm was located over Mount Holly,
  or 16 miles south of Trenton, moving east at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Willingboro, Lumberton, Mount Holly, Presidential Lakes Estates,
  Pemberton, Wrightstown, Presidential Lakes, Woodruff, Browns Mills,
  Jobstown, Columbus, Jacksonville, Georgetown, Leisuretowne, Country
  Lake Estates, Nws Office, Pemberton Heights, New Egypt, Fort Dix
  and McGuire AFB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3992 7488 4005 7491 4015 7444 3987 7440
TIME...MOT...LOC 0354Z 264DEG 16KT 3999 7481 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann

2 follow-up statements

498 
WWUS51 KPHI 220418
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1218 AM EDT Mon Jul 22 2019

NJC005-025-029-220445-
/O.CON.KPHI.SV.W.0257.000000T0000Z-190722T0445Z/
Ocean NJ-Burlington NJ-Monmouth NJ-
1218 AM EDT Mon Jul 22 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR NORTHWESTERN OCEAN...NORTHEASTERN BURLINGTON AND SOUTHWESTERN
MONMOUTH COUNTIES...

At 1218 AM EDT, a severe thunderstorm was located over Wrightstown,
or 16 miles south of Trenton, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Presidential Lakes Estates, Pemberton, Wrightstown, Woodruff, Browns
Mills, Jobstown, Columbus, Jacksonville, Georgetown, Country Lake
Estates, Pemberton Heights, New Egypt, Fort Dix and McGuire AFB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3994 7476 4008 7477 4015 7444 3990 7440
TIME...MOT...LOC 0418Z 263DEG 17KT 4000 7465 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann

235 
WWUS51 KPHI 220435
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1235 AM EDT Mon Jul 22 2019

NJC005-025-029-220445-
/O.CON.KPHI.SV.W.0257.000000T0000Z-190722T0445Z/
Ocean NJ-Burlington NJ-Monmouth NJ-
1235 AM EDT Mon Jul 22 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR NORTHWESTERN OCEAN...NORTHEASTERN BURLINGTON AND SOUTHWESTERN
MONMOUTH COUNTIES...

At 1235 AM EDT, a severe thunderstorm was located near Cedar Glen
Lakes, or 13 miles west of Toms River, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Woodruff, Browns Mills, New Egypt, Country Lake Estates, McGuire AFB
and Fort Dix.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4000 7459 4013 7454 4015 7444 3993 7441
      3995 7453
TIME...MOT...LOC 0435Z 288DEG 17KT 4001 7442 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 8:25 PM EDT	Special Weather Statement	PHI	Warren	50 min
Jul 21, 8:44 PM EDT	Severe Thunderstorm Warning	PHI	Warren	46 min
Jul 21, 9:05 PM EDT	Special Weather Statement	PHI	Morris	25 min
Jul 21, 9:24 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Warren	51 min
Jul 21, 10:12 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Monmouth, Morris, Somerset	48 min
Jul 21, 10:13 PM EDT	Severe Thunderstorm Warning	PHI	Salem	47 min
Jul 21, 10:15 PM EDT	Special Marine Warning	PHI		60 min
Jul 21, 10:54 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	25 min
Jul 21, 10:58 PM EDT	Special Marine Warning	PHI		62 min
Jul 21, 11:02 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	31 min
Jul 21, 11:27 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	48 min
Jul 21, 11:31 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	44 min
Jul 21, 11:40 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	50 min
Jul 22, 12:00 AM EDT	Special Marine Warning	PHI		90 min
Jul 22, 12:16 AM EDT	Special Weather Statement	PHI	Mercer	29 min
Jul 22, 12:34 AM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	41 min
Jul 22, 1:50 PM EDT	Special Weather Statement	PHI	Warren	25 min
Jul 22, 2:00 PM EDT	Special Weather Statement	PHI	Sussex	45 min
Jul 22, 2:13 PM EDT	Special Weather Statement	PHI	Warren	32 min
Jul 22, 2:35 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	40 min
Jul 22, 2:58 PM EDT	Small Craft Advisory	PHI		27 hr
Jul 22, 3:02 PM EDT	Areal Flood Advisory	PHI	Morris, Sussex, Warren	4 hr
Jul 22, 3:12 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	48 min
Jul 22, 3:33 PM EDT	Areal Flood Advisory	PHI	Warren	7 hr
Jul 22, 3:43 PM EDT	Flash Flood Warning	PHI	Sussex	4 hr
Jul 22, 4:11 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Warren	4 hr
Jul 22, 4:16 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Gloucester, Salem	59 min
Jul 22, 4:24 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Sussex, Warren	51 min
Jul 22, 4:40 PM EDT	Areal Flood Advisory	PHI	Camden, Cumberland, Gloucester, Salem	114 min
Jul 22, 4:52 PM EDT	Special Marine Warning	PHI		53 min
Jul 22, 5:01 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	44 min
Jul 22, 5:04 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	41 min
Jul 22, 5:14 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem	61 min
Jul 22, 5:17 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Warren	73 min
Jul 22, 5:34 PM EDT	Flash Flood Warning	PHI	Hunterdon, Morris, Sussex, Warren	4 hr
Jul 22, 5:40 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more	80 min
Jul 22, 5:43 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Hunterdon, Mercer, Middlesex and 4 more	3 hr
Jul 22, 5:50 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more	40 min
Jul 22, 5:52 PM EDT	Special Marine Warning	PHI		53 min
Jul 22, 6:09 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Cape May, Cumberland, Ocean	51 min
Jul 22, 6:12 PM EDT	Special Marine Warning	PHI		93 min
Jul 22, 6:21 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Cumberland, Monmouth, Ocean	4 hr
Jul 22, 6:27 PM EDT	Special Marine Warning	PHI		48 min
Jul 22, 6:27 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Monmouth, Morris, Somerset	34 min
Jul 22, 6:35 PM EDT	Flash Flood Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	4 hr
Jul 22, 6:38 PM EDT	Special Marine Warning	PHI		67 min
Jul 22, 6:54 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean	51 min
Jul 22, 7:39 PM EDT	Special Marine Warning	PHI		96 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019 Every severe thunderstorm warning in 2019

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.