Alert archive / New Jersey / Tornado Warnings in 2019

Tornado Warning 25, NWS Philadelphia/Mount Holly

July 6, 2019Hunterdon County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jul 6, 2019, 4:08 PM EDT for Hunterdon County, New Jersey. It was in force for 25 min. 3 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: Jul 6, 2019, 4:08 PM EDT (20:08 UTC)
Expired: Jul 6, 2019, 4:33 PM EDT
In force: 25 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Hunterdon County, NJ

The radar

The Philadelphia radar (KDIX), 89 km from the middle of the area, began a volume at 20:11 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
Jul 6, 4:25 PM EDT	TSTM WND DMG	Clinton, NJ	TREE DOWN ON US 22. TIME ESTIMATED FROM RADAR.
Jul 6, 4:35 PM EDT	TSTM WND DMG	Lebanon, NJ	TREE DOWN ON US 22. TIME ESTIMATED FROM RADAR.
Jul 6, 4:40 PM EDT	TSTM WND DMG	Lebanon, NJ	TREE DOWN ON I-78 NEAR EXIT 20 (CR 639). 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 12:00Z, 8.1 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: 1195 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 542 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

857 
WFUS51 KPHI 062008
TORPHI
NJC019-062045-
/O.NEW.KPHI.TO.W.0025.190706T2008Z-190706T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
408 PM EDT Sat Jul 6 2019

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Central Hunterdon County in northwestern New Jersey...

* Until 445 PM EDT.
    
* At 408 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Bloomsbury, or 9 miles east of Easton, moving east
  at 20 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  High Bridge, Clinton, Glen Gardner, Hampton, Lebanon, Milford,
  Bloomsbury, Annandale and White House Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 4052 7481 4058 7514 4064 7513 4070 7502
      4069 7500 4070 7499 4071 7476
TIME...MOT...LOC 2008Z 278DEG 16KT 4064 7504 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Fitzsimmons

1 follow-up statement

812 
WWUS51 KPHI 062033
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
433 PM EDT Sat Jul 6 2019

NJC019-062042-
/O.CAN.KPHI.TO.W.0025.000000T0000Z-190706T2045Z/
Hunterdon NJ-
433 PM EDT Sat Jul 6 2019

...THE TORNADO WARNING FOR CENTRAL HUNTERDON COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, hail and damaging winds remain likely and a 
Severe Thunderstorm Warning remains in effect for the area.

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
Hunterdon County. 

LAT...LON 4052 7481 4058 7514 4064 7513 4070 7502
      4069 7500 4070 7499 4071 7476
TIME...MOT...LOC 2030Z 278DEG 16KT 4063 7490 

$$

Fitzsimmons

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 1:28 PM EDT	Areal Flood Advisory	PHI	Ocean	3 hr
Jul 6, 1:46 PM EDT	Flash Flood Warning	PHI	Ocean	4 hr
Jul 6, 1:52 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:05 PM EDT	Special Weather Statement	PHI	Burlington	25 min
Jul 6, 2:06 PM EDT	Special Weather Statement	PHI	Monmouth	24 min
Jul 6, 2:07 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:10 PM EDT	Special Weather Statement	PHI	Ocean	35 min
Jul 6, 2:13 PM EDT	Special Weather Statement	PHI	Cumberland	47 min
Jul 6, 2:17 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden	2 hr
Jul 6, 2:22 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:25 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Ocean	28 min
Jul 6, 2:26 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	34 min
Jul 6, 2:28 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Ocean	47 min
Jul 6, 2:29 PM EDT	Special Marine Warning	PHI		61 min
Jul 6, 2:40 PM EDT	Special Marine Warning	PHI		31 min
Jul 6, 2:58 PM EDT	Special Marine Warning	PHI		62 min
Jul 6, 3:04 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Ocean	26 min
Jul 6, 3:22 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Ocean	37 min
Jul 6, 3:43 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	47 min
Jul 6, 3:55 PM EDT	Tornado Warning	PHI	Camden, Gloucester, Salem	50 min
Jul 6, 4:28 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Somerset	21 min
Jul 6, 4:39 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	32 min
Jul 6, 4:41 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	49 min
Jul 6, 4:45 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester	4 hr
Jul 6, 4:49 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	4 hr
Jul 6, 4:54 PM EDT	Areal Flood Advisory	PHI	Burlington, Hunterdon, Mercer, Somerset, Warren	4 hr
Jul 6, 5:04 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	17 min
Jul 6, 5:25 PM EDT	Severe Thunderstorm Warning	PHI	Mercer	50 min
Jul 6, 5:32 PM EDT	Flash Flood Warning	PHI	Warren	4 hr
Jul 6, 5:44 PM EDT	Areal Flood Advisory	PHI	Sussex	4 hr
Jul 6, 5:49 PM EDT	Areal Flood Advisory	PHI	Salem	4 hr
Jul 6, 6:13 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer	15 min
Jul 6, 6:22 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	38 min
Jul 6, 6:42 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester	30 min
Jul 6, 6:53 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Sussex, Warren	67 min
Jul 6, 7:33 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Cumberland, Gloucester, Salem	42 min
Jul 6, 7:45 PM EDT	Special Weather Statement	PHI	Hunterdon, Somerset	45 min

Nearby

Tornado Warnings in New Jersey, 2019 Every tornado warning in 2019 Tornadoes 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.