Alert archive / New Jersey / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 88, NWS Philadelphia/Mount Holly

July 27, 2005Hunterdon County, Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 27, 2005, 5:16 PM EDT for Hunterdon County, Morris County, New Jersey. It was in force for 44 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 27, 2005, 5:16 PM EDT (21:16 UTC)
Expired: Jul 27, 2005, 6:00 PM EDT
In force: 44 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

Counties Hunterdon County, NJ, Morris County, NJ

The radar

The Philadelphia radar (KDIX), 104 km from the middle of the area, began a volume at 21:18 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 27, 5:32 PM EDT	TSTM WND DMG	5 Ne Mount Arlington, NJ	TREE KNOCKED DOWN INTO A HOUSE IN JEFFERSON TOWNSHIP.

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 27, 1:50 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.3 hours before the alert went out and 157 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: 1290 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1099 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 272116
SVRPHI
NJC019-027-272200-
/O.NEW.KPHI.SV.W.0088.050727T2116Z-050727T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
516 PM EDT WED JUL 27 2005

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MORRIS COUNTY IN NORTHERN NEW JERSEY
  NORTHEASTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY

* UNTIL 600 PM EDT

* AT 514 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR LONG VALLEY...OR
  ABOUT 30 MILES NORTHEAST OF BETHLEHEM...AND MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUCCASUNNA BY 525 PM EDT
  DOVER BY 530 PM EDT
  PARSIPPANY...MORRISTOWN AND LAKE TELEMARK BY 535 PM EDT

LAT...LON 4092 7481 4079 7484 4074 7493 4066 7493
      4080 7437 4105 7448 4091 7468


HEAVY RAIN...STRONG GUSTY WINDS AND HAIL ARE POSSIBLE WITH THIS STORM

$$

NIERENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 4:23 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	52 min
Jul 27, 4:58 PM EDT	Severe Thunderstorm Warning	PHI	Warren	47 min
Jul 27, 6:13 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Somerset	62 min
Jul 27, 6:44 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	61 min
Jul 27, 7:05 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	40 min
Jul 27, 7:20 PM EDT	Special Marine Warning	PHI		85 min
Jul 27, 7:37 PM EDT	Severe Thunderstorm Warning	PHI	Salem	53 min
Jul 27, 7:54 PM EDT	Special Marine Warning	PHI		96 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2005 Every severe thunderstorm warning in 2005

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.