Alert archive / New Jersey / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 96, NWS Philadelphia/Mount Holly

July 19, 2010Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 19, 2010, 10:40 AM EDT for Monmouth County, New Jersey. It was in force for 21 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: Jul 19, 2010, 10:40 AM EDT (14:40 UTC)
Expired: Jul 19, 2010, 11:01 AM EDT
In force: 21 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 14:41 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 19, 10:43 AM EDT	TSTM WND DMG	West Long Branch, NJ	TREES AND WIRES DOWN.

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, 2.7 hours before the alert went out and 114 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: 306 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 1354 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

932 
WUUS51 KPHI 191440
SVRPHI
NJC025-191515-
/O.NEW.KPHI.SV.W.0096.100719T1440Z-100719T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1040 AM EDT MON JUL 19 2010

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  THIS INCLUDES THE CITY OF SANDY HOOK...

* UNTIL 1115 AM EDT

* AT 1037 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM KEANSBURG TO LONG BRANCH TO BELMAR...OR ALONG A LINE EXTENDING
  FROM SANDY HOOK TO 10 MILES SOUTH OF SANDY HOOK TO 18 MILES SOUTH
  OF SANDY HOOK...AND MOVING EAST AT 45 MPH.

* THE LINE OF SEVERE THUNDERSTORMS WILL OTHERWISE REMAIN OVER MAINLY
  RURAL AREAS OF THE INDICATED COUNTY.

LAT...LON 4016 7400 4014 7412 4029 7407 4044 7419
      4046 7412 4044 7409 4041 7400 4042 7399
      4044 7402 4047 7402 4047 7399 4041 7396
      4032 7396
TIME...MOT...LOC 1440Z 256DEG 38KT 4044 7403 4031 7396
          4020 7400

$$

HAYES

1 follow-up statement

248 
WWUS51 KPHI 191501
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1101 AM EDT MON JUL 19 2010

NJC025-191511-
/O.CAN.KPHI.SV.W.0096.000000T0000Z-100719T1515Z/
MONMOUTH NJ-
1101 AM EDT MON JUL 19 2010

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MONMOUTH COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED 
OFFSHORE. 

LAT...LON 4016 7400 4014 7412 4029 7407 4044 7419
      4046 7412 4044 7409 4041 7400 4042 7399
      4044 7402 4047 7402 4047 7399 4041 7396
      4032 7396
TIME...MOT...LOC 1501Z 256DEG 38KT 4049 7374 4035 7368
          4024 7372

$$

HAYES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 6:58 AM EDT	Special Weather Statement	PHI	Morris, Sussex, Warren	62 min
Jul 19, 7:20 AM EDT	Special Weather Statement	PHI	Morris	55 min
Jul 19, 8:47 AM EDT	Special Weather Statement	PHI	Camden	58 min
Jul 19, 9:07 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	53 min
Jul 19, 9:44 AM EDT	Special Weather Statement	PHI	Burlington, Ocean	61 min
Jul 19, 10:05 AM EDT	Special Weather Statement	PHI	Camden, Gloucester	55 min
Jul 19, 10:15 AM EDT	Special Weather Statement	PHI	Monmouth	60 min
Jul 19, 10:18 AM EDT	Special Marine Warning	PHI		57 min
Jul 19, 10:20 AM EDT	Special Weather Statement	PHI	Atlantic, Camden, Cumberland	55 min
Jul 19, 10:43 AM EDT	Special Marine Warning	PHI		32 min
Jul 19, 4:42 PM EDT	Special Weather Statement	PHI	Sussex	48 min
Jul 19, 4:58 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	28 min
Jul 19, 5:24 PM EDT	Special Weather Statement	PHI	Warren	51 min
Jul 19, 6:20 PM EDT	Special Weather Statement	PHI	Morris	40 min
Jul 19, 6:22 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	53 min
Jul 19, 6:52 PM EDT	Special Weather Statement	PHI	Salem	68 min
Jul 19, 7:40 PM EDT	Special Weather Statement	PHI	Burlington, Camden	65 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2010 Every severe thunderstorm warning in 2010

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.