Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 222, NWS Philadelphia/Mount Holly

July 11, 20194 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 11, 2019, 7:44 PM EDT for 4 counties in New Jersey. It was in force for 61 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 11, 2019, 7:44 PM EDT (23:44 UTC)
Expired: Jul 11, 2019, 8:45 PM EDT
In force: 61 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 23:44 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 11, 8:03 PM EDT	TSTM WND DMG	2 Nw Wrightstown, NJ	DOWNED TREE ON RIGHT LANE OF NJ 68 SOUTHBOUND, NORTH OF MONMOUTH RD.

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, 11.7 hours before the alert went out and 158 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: 93 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 911 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

312 
WUUS51 KPHI 112344
SVRPHI
NJC005-021-025-029-120045-
/O.NEW.KPHI.SV.W.0222.190711T2344Z-190712T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
744 PM EDT Thu Jul 11 2019

The National Weather Service in Mount Holly NJ has issued a

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

* Until 845 PM EDT.

* At 743 PM EDT, a severe thunderstorm was located over Jobstown, or
  14 miles south of Trenton, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Jackson, Manalapan, Burlington, Mount Holly, Bordentown, Allentown,
  Pemberton, Roosevelt, Wrightstown, Six Flags Theme Park, Jacksons
  Mills, Jacksonville, Georgetown, Cassville, Clarksburg, Vista
  Center, Crosswicks, Woodruff, Imlaystown and Cream Ridge.

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. This storm may cause serious injury and significant
property damage.

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

&&

LAT...LON 4005 7425 3994 7477 4008 7485 4026 7448
      4025 7446 4028 7440 4027 7440
TIME...MOT...LOC 2343Z 242DEG 27KT 4002 7470 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Iovino

1 follow-up statement

166 
WWUS51 KPHI 120013
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
813 PM EDT Thu Jul 11 2019

NJC005-021-120022-
/O.CAN.KPHI.SV.W.0222.000000T0000Z-190712T0045Z/
Mercer NJ-Burlington NJ-
813 PM EDT Thu Jul 11 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MERCER AND
NORTHEASTERN BURLINGTON COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the Burlington County and Mercer County. Therefore, the warning has 
been cancelled for those counties.

LAT...LON 4005 7425 4000 7451 4018 7461 4018 7457
      4022 7454 4023 7450 4025 7448 4025 7446
      4028 7440
TIME...MOT...LOC 0012Z 241DEG 23KT 4010 7450 

$$

NJC025-029-120045-
/O.CON.KPHI.SV.W.0222.000000T0000Z-190712T0045Z/
Ocean NJ-Monmouth NJ-
813 PM EDT Thu Jul 11 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHWESTERN OCEAN AND SOUTHWESTERN MONMOUTH COUNTIES...

At 812 PM EDT, a severe thunderstorm was located over Cream Ridge, or
15 miles southeast of Trenton, moving northeast at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Jackson, Manalapan, Allentown, Roosevelt, Cassville, Clarksburg,
Vista Center, Woodruff, Six Flags Theme Park, Imlaystown, Cream
Ridge, Jacksons Mills, Cedar Glen West and New Egypt.

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. This storm may cause serious injury and significant
property damage.

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

&&

LAT...LON 4005 7425 4000 7451 4018 7461 4018 7457
      4022 7454 4023 7450 4025 7448 4025 7446
      4028 7440
TIME...MOT...LOC 0012Z 241DEG 23KT 4010 7450 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Iovino

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 3:44 AM EDT	Flash Flood Watch	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more	18 hr
Jul 11, 1:23 PM EDT	Special Weather Statement	PHI	Salem	52 min
Jul 11, 1:44 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Gloucester, Salem	61 min
Jul 11, 1:47 PM EDT	Special Marine Warning	PHI		28 min
Jul 11, 2:41 PM EDT	Special Weather Statement	PHI	Gloucester	64 min
Jul 11, 3:13 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Warren	4 hr
Jul 11, 3:33 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Sussex, Warren	4 hr
Jul 11, 5:33 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset	4 hr
Jul 11, 6:04 PM EDT	Special Marine Warning	PHI		86 min
Jul 11, 6:14 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	61 min
Jul 11, 6:15 PM EDT	Flash Flood Warning	PHI	Burlington, Camden, Gloucester, Mercer, Salem	4 hr
Jul 11, 6:17 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Middlesex, Somerset	4 hr
Jul 11, 6:58 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Somerset	62 min
Jul 11, 7:22 PM EDT	Tornado Warning	PHI	Burlington	23 min
Jul 11, 7:27 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more	7 hr

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.