Alert archive / New Jersey / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 108, NWS Philadelphia/Mount Holly

July 8, 2014Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 8, 2014, 9:12 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 63 min. 11 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 8, 2014, 9:12 PM EDT (01:12 UTC)
Expired: Jul 8, 2014, 10:15 PM EDT
In force: 63 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 01:12 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 8, 9:20 PM EDT	TSTM WND GST 48	Cream Ridge, NJ
Jul 8, 9:30 PM EDT	TSTM WND DMG	Freehold, NJ	SOME TREES DOWN AND TRANSFORMERS BLOWN. POWER OUT FOR OVER AN HOUR.
Jul 8, 9:45 PM EDT	TSTM WND GST 50	Oceanport, NJ
Jul 8, 9:50 PM EDT	MARINE TSTM WIND 55	10 Ssw Breezy Point, NY	MESONET
Jul 8, 9:55 PM EDT	TSTM WND GST 45	Belmar Airport, NJ
Jul 8, 10:00 PM EDT	TSTM WND GST 47	Sea Girt, NJ
Jul 8, 10:00 PM EDT	MARINE TSTM WIND 44	Sandy Hook, NJ
Jul 8, 10:05 PM EDT	MARINE TSTM WIND 41	South Seaside Park, NJ
Jul 8, 10:05 PM EDT	MARINE TSTM WIND 43	Bradley Beach, NJ
Jul 8, 10:05 PM EDT	MARINE TSTM WIND 48	Port Monmouth, NJ
Jul 8, 10:10 PM EDT	MARINE TSTM WIND 40	Seaside Heights, NJ

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.

Issued	Product	Office	Lasted
Jul 8, 5:05 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 1.2 hours before the alert went out and 143 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: 342 J/kg
Mixed-layer CIN: -179 J/kg
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

746 
WUUS51 KPHI 090112
SVRPHI
NJC025-029-090215-
/O.NEW.KPHI.SV.W.0108.140709T0112Z-140709T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
912 PM EDT TUE JUL 8 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1015 PM EDT

* AT 909 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
  MERCERVILLE-HAMILTON SQUARE TO MALAGA...MOVING EAST AT 50 MPH.
  THESE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
  60 MPH. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ROOSEVELT AND IMLAYSTOWN AROUND 920 PM EDT...
  MANALAPAN AND SIX FLAGS THEME PARK AROUND 925 PM EDT...
  YORKETOWN AND ROBERTSVILLE AROUND 930 PM EDT...
  MARLBORO AND HOLMDEL AROUND 935 PM EDT...
  LINCROFT AND MIDDLETOWN AROUND 940 PM EDT...
  RED BANK AND TINTON FALLS AROUND 945 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THEIR PATH...MOVE INDOORS 
TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO 
DO SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE 
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
TUESDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY
AND EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL MIDNIGHT EDT WEDNESDAY MORNING FOR NORTHEAST NEW JERSEY.

&&

LAT...LON 3989 7408 3977 7408 3952 7426 3950 7435
      3954 7435 3955 7442 3959 7439 3977 7439
      4018 7461 4028 7440 4046 7422 4044 7420
      4046 7414 4042 7402 4043 7399 4048 7402
      4048 7401 4043 7397 4032 7396
TIME...MOT...LOC 0111Z 259DEG 45KT 4022 7459 3957 7504

$$

FORECASTER: AMC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:16 PM EDT	Special Marine Warning	PHI		119 min
Jul 8, 8:21 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Cumberland, Gloucester, Salem	69 min
Jul 8, 8:44 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	69 min
Jul 8, 8:56 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more	73 min
Jul 8, 9:02 PM EDT	Special Weather Statement	PHI	Atlantic, Cape May, Cumberland	58 min
Jul 8, 9:22 PM EDT	Special Marine Warning	PHI		113 min
Jul 8, 9:48 PM EDT	Special Marine Warning	PHI		117 min
Jul 9, 8:52 AM EDT	Small Craft Advisory	PHI		12 hr
Jul 9, 2:48 PM EDT	Special Weather Statement	PHI	Sussex	72 min
Jul 9, 3:25 PM EDT	Special Weather Statement	PHI	Sussex	65 min
Jul 9, 3:28 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	49 min
Jul 9, 5:38 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	64 min
Jul 9, 6:27 PM EDT	Severe Thunderstorm Warning	PHI	Morris	63 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2014 Every severe thunderstorm warning in 2014

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.