Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 254, NWS Philadelphia/Mount Holly

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

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 21, 2019, 11:27 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 21, 2019, 11:27 PM EDT (03:27 UTC)
Expired: Jul 22, 2019, 12:15 AM EDT
In force: 48 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 26 km from the middle of the area, began a volume at 03:30 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 3.5 hours before the alert went out and 141 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.

495 
WUUS51 KPHI 220327
SVRPHI
NJC025-029-220415-
/O.NEW.KPHI.SV.W.0254.190722T0327Z-190722T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1127 PM EDT Sun Jul 21 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northern Ocean County in southern New Jersey...
  Southern Monmouth County in central New Jersey...

* Until 1215 AM EDT.

* At 1127 PM EDT, a severe thunderstorm was located over Six Flags
  Theme Park, or 17 miles northwest of Toms River, moving east at 15
  mph.

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

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Toms River, Lakewood, Jackson, Manasquan, Point Pleasant Beach,
  Seaside Heights, Lakehurst, Mantoloking, Leisure Village,
  Allenwood, Six Flags Theme Park, Dover Beaches North, Pleasant
  Plains, Cedar Glen West, Jacksons Mills, Leisure Village East,
  Dover Beaches South, Cassville, Vista Center and Woodruff.

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 4007 7404 4006 7412 4005 7405 4001 7405
      4001 7408 4000 7406 3991 7407 3991 7408
      3996 7408 3995 7412 3992 7411 3994 7413
      3993 7415 4005 7453 4018 7452 4019 7406
      4018 7404 4019 7401
TIME...MOT...LOC 0327Z 275DEG 12KT 4011 7444 

HAIL...0.75IN
WIND...60MPH
 
$$

Staarmann

2 follow-up statements

969 
WWUS51 KPHI 220347
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1147 PM EDT Sun Jul 21 2019

NJC025-029-220415-
/O.CON.KPHI.SV.W.0254.000000T0000Z-190722T0415Z/
Ocean NJ-Monmouth NJ-
1147 PM EDT Sun Jul 21 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR NORTHEASTERN OCEAN AND SOUTHEASTERN MONMOUTH COUNTIES...

At 1147 PM EDT, a severe thunderstorm was located over Lakewood, or 9
miles north of Toms River, moving east at 30 mph.

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

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Toms River, Lakewood, Jackson, Manasquan, Point Pleasant Beach,
Lakehurst, Mantoloking, Leisure Village, Allenwood, Pleasant Plains,
Cedar Glen West, Jacksons Mills, Leisure Village East, Vista Center,
Ramtown, Brick Township, Freewood Acres, Leisure Village West-Pine
Lake Park, Point Pleasant and Brielle.

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 3999 7431 4013 7437 4018 7435 4019 7406
      4018 7404 4019 7401 4007 7404 4006 7412
      4005 7405 4001 7405 4001 7408 4000 7414
TIME...MOT...LOC 0347Z 253DEG 26KT 4007 7424 

HAIL...0.75IN
WIND...60MPH
 
$$

Staarmann

182 
WWUS51 KPHI 220402
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1202 AM EDT Mon Jul 22 2019

NJC025-029-220415-
/O.CON.KPHI.SV.W.0254.000000T0000Z-190722T0415Z/
Ocean NJ-Monmouth NJ-
1202 AM EDT Mon Jul 22 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR NORTHEASTERN OCEAN AND SOUTHEASTERN MONMOUTH COUNTIES...

At 1201 AM EDT, a severe thunderstorm was located over Ramtown, or 10
miles southwest of Asbury Park, moving east at 15 mph.

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

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Toms River, Lakewood, Manasquan, Point Pleasant Beach, Mantoloking,
Leisure Village, Allenwood, Ramtown, Brick Township, Leisure Village
East, Point Pleasant, Brielle, Spring Lake Heights, Spring Lake,
Avon-By-the-sea, Sea Girt, Bay Head, West Belmar and South Belmar.

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 4002 7422 4018 7423 4019 7420 4019 7406
      4018 7404 4019 7401 4007 7404 4006 7412
      4005 7405 4001 7405 4001 7408 4000 7413
TIME...MOT...LOC 0401Z 268DEG 14KT 4010 7413 

HAIL...0.75IN
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, 11:31 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 21, 11:54 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.