Alert archive / New Jersey / Tornado Warnings in 2019

Tornado Warning 29, NWS Philadelphia/Mount Holly

July 11, 2019Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jul 11, 2019, 7:22 PM EDT for Burlington County, New Jersey. It was in force for 23 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 11, 2019, 7:22 PM EDT (23:22 UTC)
Expired
Jul 11, 2019, 7:45 PM EDT
In force
23 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 37 km from the middle of the area, began a volume at 23:25 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, 11.4 hours before the alert went out and 196 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 2019-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 2019-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
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.

777 
WFUS51 KPHI 112322
TORPHI
NJC005-112345-
/O.NEW.KPHI.TO.W.0029.190711T2322Z-190711T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
722 PM EDT Thu Jul 11 2019

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Northwestern Burlington County in southern New Jersey...

* Until 745 PM EDT.
    
* At 721 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Mount Laurel, or 10 miles east of Camden, moving
  northeast at 35 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...
  Mount Laurel, Lumberton, Mount Holly, Jacksonville, Marlton,
  Ramblewood, Nws Office and Moorestown-Lenola.

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.

&&

LAT...LON 3990 7492 3996 7496 4007 7476 3998 7468
TIME...MOT...LOC 2321Z 238DEG 29KT 3994 7492 

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

$$

Iovino
1 follow-up statement
740 
WWUS51 KPHI 112332
SVSPHI

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

NJC005-112345-
/O.CON.KPHI.TO.W.0029.000000T0000Z-190711T2345Z/
Burlington NJ-
732 PM EDT Thu Jul 11 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR NORTH
CENTRAL BURLINGTON COUNTY...
    
At 731 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Lumberton, or 15 miles east of Camden, moving
northeast at 35 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...
Lumberton and Mount Holly. 

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3993 7483 3997 7486 4005 7474 3998 7468
TIME...MOT...LOC 2331Z 241DEG 29KT 3997 7481 

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

$$

Iovino

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 3:44 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more18 hr
Jul 11, 1:23 PM EDTSpecial Weather StatementPHISalem52 min
Jul 11, 1:44 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem61 min
Jul 11, 1:47 PM EDTSpecial Marine WarningPHI28 min
Jul 11, 2:41 PM EDTSpecial Weather StatementPHIGloucester64 min
Jul 11, 3:13 PM EDTAreal Flood AdvisoryPHIHunterdon, Warren4 hr
Jul 11, 3:33 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren4 hr
Jul 11, 5:33 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Somerset4 hr
Jul 11, 6:04 PM EDTSpecial Marine WarningPHI86 min
Jul 11, 6:14 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem61 min
Jul 11, 6:15 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Mercer, Salem4 hr
Jul 11, 6:17 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Somerset4 hr
Jul 11, 6:58 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Somerset62 min
Jul 11, 7:27 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more7 hr
Jul 11, 7:44 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Monmouth, Ocean61 min

Nearby

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