Alert archive / New Jersey / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 52, NWS Philadelphia/Mount Holly

June 19, 20175 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 2017, 5:15 PM EDT for 5 counties in New Jersey. It was in force for 45 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
Jun 19, 2017, 5:15 PM EDT (21:15 UTC)
Expired
Jun 19, 2017, 6:00 PM EDT
In force
45 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 80 km from the middle of the area, began a volume at 21:19 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

TimeReportWhereRemark
Jun 19, 5:20 PM EDTTSTM WND DMG1 Sse Harrison Twp, NJDOWNED TREES AND WIRES ON BRIDGETON PIKE NEAR 4H FAIRGROUNDS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 19, 11:13 AM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.3 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-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2017-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 419 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, Wallops Is Stn, VA at 12:00Z on 2017-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.193958Sfc1 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
419 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

861 
WUUS51 KPHI 192115
SVRPHI
NJC005-007-011-015-033-192200-
/O.NEW.KPHI.SV.W.0052.170619T2115Z-170619T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
515 PM EDT MON JUN 19 2017

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Cumberland County in southern New Jersey...
  Central Salem County in southern New Jersey...
  Southern Camden County in southern New Jersey...
  Southeastern Gloucester County in southern New Jersey...
  West central Burlington County in southern New Jersey...

* Until 600 PM EDT

* At 514 PM EDT, severe thunderstorms were located along a line
  extending from Mullica Hill to Quinton to near Hope Creek, moving
  east at 35 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to trees and power lines. 

* Severe thunderstorms will be near,
  Mullica Hill around 520 PM EDT. 
  Glassboro and Pitman around 525 PM EDT. 
  Clayton and Turnersville around 530 PM EDT. 
  Olivet and Williamstown around 535 PM EDT. 
  Bridgeton, Elmer and Sicklerville around 540 PM EDT. 
  Vineland, Berlin, Seabrook Farms and Franklinville around 545 PM 
  EDT. 
  Chesilhurst, Newfield, Malaga and Atco around 550 PM EDT. 
  Rosenhayn, Victory Lakes and Monroe Township around 555 PM EDT. 

Other locations impacted by these severe thunderstorms include Pine
Valley, Centerton and Pine Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to large hail and damaging winds...frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. 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 3945 7503 3940 7553 3941 7554 3943 7554
      3951 7544 3974 7522 3984 7472
TIME...MOT...LOC 2114Z 255DEG 29KT 3973 7523 3953 7539 3942 7552 

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

Drag
2 follow-up statements
326 
WWUS51 KPHI 192130
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
530 PM EDT MON JUN 19 2017

NJC005-007-011-015-033-192200-
/O.CON.KPHI.SV.W.0052.000000T0000Z-170619T2200Z/
Cumberland NJ-Salem NJ-Camden NJ-Gloucester NJ-Burlington NJ-
530 PM EDT MON JUN 19 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHWESTERN CUMBERLAND...CENTRAL SALEM...SOUTHERN CAMDEN...
SOUTHEASTERN GLOUCESTER AND WEST CENTRAL BURLINGTON COUNTIES...

At 529 PM EDT, severe thunderstorms were located along a line
extending from Pitman to near Alloway to near Newport Meadows, moving
east at 25 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

These severe storms will be near...
  Glassboro and Pitman around 535 PM EDT. 
  Turnersville and Olivet around 540 PM EDT. 
  Elmer, Sicklerville and Williamstown around 545 PM EDT. 
  Vineland, Bridgeton, Berlin, Franklinville, Malaga and Atco around 
  555 PM EDT. 
  Clayton, Buena, Chesilhurst, Newfield, Victory Lakes, Monroe 
  Township and Rosenhayn around 600 PM EDT. 

Other locations impacted by these severe thunderstorms include Pine
Valley, Centerton and Pine Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to damaging winds...frequent cloud to ground lightning 
is occurring with this storm. Move indoors immediately. 
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 3945 7503 3940 7553 3943 7554 3976 7514
      3984 7472
TIME...MOT...LOC 2129Z 252DEG 23KT 3975 7512 3955 7528 3944 7547 

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

Drag
305 
WWUS51 KPHI 192147
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
547 PM EDT MON JUN 19 2017

NJC005-007-011-015-033-192200-
/O.CON.KPHI.SV.W.0052.000000T0000Z-170619T2200Z/
Cumberland NJ-Salem NJ-Camden NJ-Gloucester NJ-Burlington NJ-
547 PM EDT MON JUN 19 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHWESTERN CUMBERLAND...EAST CENTRAL SALEM...SOUTHEASTERN
CAMDEN...SOUTHEASTERN GLOUCESTER AND SOUTHWESTERN BURLINGTON
COUNTIES...

At 546 PM EDT, severe thunderstorms were located along a line
extending from near Berlin to near Elmer to Shiloh, moving east at 35
mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

These severe storms will be near...
  Berlin, Sicklerville and Williamstown around 550 PM EDT. 
  Vineland, Chesilhurst, Newfield, Malaga, Franklinville and Atco 
  around 555 PM EDT. 
  Clayton, Buena, Victory Lakes and Monroe Township around 600 PM 
  EDT. 

Other locations impacted by these severe thunderstorms include
Centerton, Pine Valley and Pine Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to damaging winds...cloud to ground lightning is 
occurring with this storm. Move indoors immediately. Remember...if 
you can hear thunder...you are close enough to be struck by 
lightning.

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

&&

LAT...LON 3945 7503 3942 7541 3962 7516 3978 7501
      3984 7472
TIME...MOT...LOC 2146Z 255DEG 29KT 3978 7498 3958 7514 3947 7533 

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

Drag

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 12:03 PM EDTSpecial Weather StatementPHISussex27 min
Jun 19, 2:33 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jun 19, 2:57 PM EDTSevere Thunderstorm WarningPHISussex, Warren48 min
Jun 19, 3:17 PM EDTFlash Flood WarningPHISussex, Warren3 hr
Jun 19, 3:35 PM EDTSevere Thunderstorm WarningPHIWarren25 min
Jun 19, 3:45 PM EDTSpecial Weather StatementPHISussex15 min
Jun 19, 3:53 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren37 min
Jun 19, 3:54 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Morris, Somerset, Warren3 hr
Jun 19, 3:56 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Warren49 min
Jun 19, 4:07 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem38 min
Jun 19, 4:24 PM EDTSpecial Marine WarningPHI36 min
Jun 19, 4:28 PM EDTSpecial Weather StatementPHISussex17 min
Jun 19, 4:34 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Mercer, Salem41 min
Jun 19, 4:42 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Cumberland, Gloucester, Salem3 hr
Jun 19, 4:51 PM EDTSpecial Weather StatementPHIGloucester39 min
Jun 19, 4:58 PM EDTSpecial Weather StatementPHIUnion32 min
Jun 19, 5:05 PM EDTSpecial Marine WarningPHI55 min
Jun 19, 5:06 PM EDTAreal Flood AdvisoryPHIMercer, Middlesex, Monmouth, Somerset3 hr
Jun 19, 5:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more51 min
Jun 19, 5:28 PM EDTSevere Thunderstorm WarningPHICumberland62 min
Jun 19, 5:41 PM EDTSpecial Marine WarningPHI64 min
Jun 19, 5:44 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more3 hr
Jun 19, 5:46 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Mercer, Middlesex, Monmouth, Ocean3 hr
Jun 19, 5:52 PM EDTSpecial Weather StatementPHIAtlantic, Monmouth, Ocean38 min
Jun 19, 5:53 PM EDTSpecial Marine WarningPHI67 min
Jun 19, 6:01 PM EDTSpecial Weather StatementPHICumberland44 min
Jun 19, 6:13 PM EDTSpecial Marine WarningPHI92 min
Jun 19, 6:47 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland43 min
Jun 19, 7:08 PM EDTSpecial Marine WarningPHI52 min
Jun 19, 7:20 PM EDTSevere Thunderstorm WarningPHIAtlantic, Ocean25 min
Jun 19, 7:33 PM EDTSpecial Marine WarningPHI57 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2017Every severe thunderstorm warning in 2017

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.