Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 80, NWS Philadelphia/Mount Holly

July 22, 2013Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 22, 2013, 5:00 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 75 min. 2 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 22, 2013, 5:00 PM EDT (21:00 UTC)
Expired: Jul 22, 2013, 6:15 PM EDT
In force: 75 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 26 km from the middle of the area, began a volume at 20:59 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 22, 5:05 PM EDT	TSTM WND DMG	Jackson Twp, NJ	TREES DOWN AND ROOF DAMAGE.
Jul 22, 5:10 PM EDT	TSTM WND DMG	1 Nw Cedar Glen West, NJ	A GUSTNADO OCCURED WITH SEVERAL TREES DOWN ON VATH STREET

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, 9.0 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: 1246 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 490 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

487 
WUUS51 KPHI 222100
SVRPHI
NJC025-029-222215-
/O.NEW.KPHI.SV.W.0080.130722T2100Z-130722T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
500 PM EDT MON JUL 22 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

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

* UNTIL 615 PM EDT

* AT 455 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM. THE STORM WAS NEAR JACKSON...MOVING SOUTHEAST
  AT 10 MPH. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH. 

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAKEHURST AROUND 505 PM EDT...
  LAKEWOOD AROUND 525 PM EDT...
  PLEASANT PLAINS AROUND 535 PM EDT...
  LEISURE VILLAGE AND PLEASANT PLAINS AROUND 540 PM EDT...
  BRICK TOWNSHIP AND TOMS RIVER AROUND 555 PM EDT...
  POINT PLEASANT BEACH AND MANASQUAN AROUND 610 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY HEAVY RAIN WILL ALSO OCCUR WITH THIS SEVERE THUNDERSTORM...WHICH
COULD FLOOD LOW LYING AREAS QUICKLY AND COVER ROADS WITH WATER. DO
NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS SEVERE
THUNDERSTORM. WHEN THUNDER ROARS...MOVE INDOORS! REMEMBER...IF YOU
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4004 7404 3998 7405 3998 7404 3985 7408
      3986 7410 3992 7410 3990 7412 3987 7412
      4003 7446 4020 7436 4011 7402 4007 7403
      4006 7402
TIME...MOT...LOC 2100Z 295DEG 9KT 4008 7431

$$

MEOLA

1 follow-up statement

359 
WWUS51 KPHI 222158
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
558 PM EDT MON JUL 22 2013

NJC025-029-222208-
/O.CAN.KPHI.SV.W.0080.000000T0000Z-130722T2215Z/
MONMOUTH NJ-OCEAN NJ-
558 PM EDT MON JUL 22 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN OCEAN AND SOUTH
CENTRAL MONMOUTH COUNTIES IS CANCELLED...

THE STORM HAS WEAKENED TO BELOW SEVERE LIMITS...THEREFORE THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.

LAT...LON 4004 7404 3998 7405 3998 7404 3985 7408
      3986 7410 3992 7410 3990 7412 3987 7412
      4003 7446 4020 7436 4011 7402 4007 7403
      4006 7402
TIME...MOT...LOC 2158Z 295DEG 9KT 4002 7414

$$

MEOLA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 3:08 PM EDT	Coastal Flood Advisory	PHI	Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more	8 hr
Jul 22, 3:22 PM EDT	Areal Flood Advisory	PHI	Morris, Somerset	3 hr
Jul 22, 3:45 PM EDT	Special Weather Statement	PHI	Sussex, Warren	2 hr
Jul 22, 4:03 PM EDT	Areal Flood Advisory	PHI	Middlesex, Monmouth	3 hr
Jul 22, 4:30 PM EDT	Special Weather Statement	PHI	Ocean	60 min
Jul 22, 4:34 PM EDT	Areal Flood Advisory	PHI	Sussex	3 hr
Jul 22, 4:48 PM EDT	Areal Flood Advisory	PHI	Ocean	3 hr
Jul 22, 5:10 PM EDT	Special Weather Statement	PHI	Mercer	65 min
Jul 22, 5:16 PM EDT	Areal Flood Advisory	PHI	Mercer	3 hr
Jul 22, 5:44 PM EDT	Flash Flood Warning	PHI	Ocean	4 hr
Jul 22, 7:12 PM EDT	Areal Flood Advisory	PHI	Burlington	3 hr
Jul 22, 7:49 PM EDT	Areal Flood Advisory	PHI	Burlington	3 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2013 Every severe thunderstorm warning in 2013

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.