Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 370, NWS Philadelphia/Mount Holly

August 19, 2019Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 19, 2019, 4:54 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 40 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
Aug 19, 2019, 4:54 PM EDT (20:54 UTC)
Expired
Aug 19, 2019, 5:34 PM EDT
In force
40 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 31 km from the middle of the area, began a volume at 20:55 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 12:00Z, 8.9 hours before the alert went out and 136 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2019-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1215 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2019-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1215 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

822 
WUUS51 KPHI 192054
SVRPHI
NJC025-029-192200-
/O.NEW.KPHI.SV.W.0370.190819T2054Z-190819T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
454 PM EDT Mon Aug 19 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Ocean County in southern New Jersey...
  Southeastern Monmouth County in central New Jersey...

* Until 600 PM EDT.

* At 454 PM EDT, severe thunderstorms were located along a line
  extending from Cedar Glen West to Adelphia, moving east at 30 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...
  Toms River, Long Branch, Asbury Park, Lakewood, Howell, Tinton
  Falls, Red Bank, Manasquan, Point Pleasant Beach, Farmingdale,
  Mantoloking, Allenwood, East Freehold, West Freehold, Adelphia,
  Elberon, Brick Township, Collingwood Park, Leisure Village and
  Dover Beaches North.

This includes the following highways...
 Garden State Parkway between mile markers 84 and 110.
 Interstate 195 in New Jersey between mile markers 23 and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with this storm, and
the storm will affect the beaches. For your safety, immediately move
off the beach and seek shelter indoors.

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

&&

LAT...LON 4028 7398 4007 7404 4006 7412 4005 7405
      4001 7405 4001 7408 4000 7406 3998 7406
      3997 7407 4001 7409 3999 7414 3999 7411
      3998 7412 3998 7423 4025 7437 4038 7397
TIME...MOT...LOC 2054Z 254DEG 26KT 4004 7425 4020 7427 

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

Staarmann
2 follow-up statements
012 
WWUS51 KPHI 192118
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
518 PM EDT Mon Aug 19 2019

NJC025-029-192200-
/O.CON.KPHI.SV.W.0370.000000T0000Z-190819T2200Z/
Ocean NJ-Monmouth NJ-
518 PM EDT Mon Aug 19 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHEASTERN OCEAN AND SOUTHEASTERN MONMOUTH COUNTIES...

At 517 PM EDT, severe thunderstorms were located along a line
extending from near Manasquan to near Tinton Falls, moving east at 30
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...
Toms River, Long Branch, Asbury Park, Tinton Falls, Manasquan, Point
Pleasant Beach, Mantoloking, Allenwood, Dover Beaches North, Elberon,
Ramtown, Brick Township, Collingwood Park, Point Pleasant, Eatontown,
West Long Branch, Little Silver, Oceanport, Neptune City and Brielle.

This includes the following highways...
 Garden State Parkway between mile markers 92 and 108.
 Interstate 195 in New Jersey between mile markers 32 and 34.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 3998 7414 4028 7417 4035 7397 4028 7398
      4007 7404 4006 7412 4005 7405 4001 7405
      4001 7408 4000 7406 3998 7406 3997 7407
      4001 7409 3999 7414 3999 7411 3998 7412
TIME...MOT...LOC 2117Z 253DEG 27KT 4009 7400 4024 7408 

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

Staarmann
004 
WWUS51 KPHI 192134
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
534 PM EDT Mon Aug 19 2019

NJC025-029-192143-
/O.CAN.KPHI.SV.W.0370.000000T0000Z-190819T2200Z/
Ocean NJ-Monmouth NJ-
534 PM EDT Mon Aug 19 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OCEAN AND
SOUTHEASTERN MONMOUTH COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved offshore.
Therefore, the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

Remember, a Severe Thunderstorm Warning still remains in effect for
central and southern Ocean County until 6 PM EDT.

LAT...LON 3998 7414 4028 7417 4035 7397 4028 7398
      4007 7404 4006 7412 4005 7405 4001 7405
      4001 7408 4000 7406 3998 7406 3997 7407
      4001 7409 3999 7414 3999 7411 3998 7412
TIME...MOT...LOC 2131Z 254DEG 26KT 4012 7387 4027 7395 

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 1:00 PM EDTSpecial Marine WarningPHI2 hr
Aug 19, 1:28 PM EDTSpecial Weather StatementPHIOcean47 min
Aug 19, 1:40 PM EDTSpecial Marine WarningPHI95 min
Aug 19, 1:46 PM EDTSpecial Weather StatementPHICape May44 min
Aug 19, 1:53 PM EDTSpecial Marine WarningPHI97 min
Aug 19, 2:48 PM EDTAreal Flood AdvisoryPHIOcean117 min
Aug 19, 2:54 PM EDTSpecial Weather StatementPHISussex51 min
Aug 19, 3:04 PM EDTSpecial Weather StatementPHIOcean41 min
Aug 19, 3:52 PM EDTSpecial Marine WarningPHI53 min
Aug 19, 3:56 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden37 min
Aug 19, 3:58 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth47 min
Aug 19, 4:03 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden42 min
Aug 19, 4:05 PM EDTSevere Thunderstorm WarningPHIOcean40 min
Aug 19, 4:21 PM EDTSevere Thunderstorm WarningPHIMonmouth39 min
Aug 19, 4:28 PM EDTSpecial Marine WarningPHI97 min
Aug 19, 4:30 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Monmouth, Ocean45 min
Aug 19, 4:45 PM EDTSpecial Marine WarningPHI60 min
Aug 19, 4:48 PM EDTAreal Flood AdvisoryPHIOcean3 hr
Aug 19, 4:52 PM EDTSpecial Weather StatementPHIAtlantic23 min
Aug 19, 5:03 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean57 min
Aug 19, 5:11 PM EDTSpecial Marine WarningPHI2 hr
Aug 19, 5:29 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Ocean4 hr
Aug 19, 5:35 PM EDTAreal Flood AdvisoryPHIOcean115 min
Aug 19, 5:40 PM EDTSpecial Marine WarningPHI86 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019Every 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.