Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

May 15, 2011Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 15, 2011, 9:46 PM EDT for Sussex County, Warren County, New Jersey. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 15, 2011, 9:46 PM EDT (01:46 UTC)
Expired: May 15, 2011, 10:45 PM EDT
In force: 59 min
Issued by: NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 136 km from the middle of the area, began a volume at 01:49 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 1.8 hours before the alert went out and 171 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: 185 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 731 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

692 
WWUS81 KPHI 160146
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
946 PM EDT SUN MAY 15 2011

NJZ001-007>009-PAZ055-062-160245-
HUNTERDON NJ-MONROE PA-MORRIS NJ-NORTHAMPTON PA-SUSSEX NJ-WARREN NJ-
946 PM EDT SUN MAY 15 2011

...STRONG THUNDERSTORMS WILL AFFECT HUNTERDON...MONROE...MORRIS...
NORTHAMPTON...SUSSEX AND WARREN COUNTIES...

AT 945 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 13 MILES WEST OF
NEWTON TO 3 MILES WEST OF NEWTON TO 13 MILES SOUTH OF NEWTON...MOVING
NORTHEAST AT 30 MPH. THE THUNDERSTORMS WILL BE NEAR FIVE POINTS
AROUND 945 PM...FLATBROOKVILLE...STANHOPE AROUND 1000 PM...
HAINESVILLE...SUSSEX AROUND 1015 PM...HIGH POINT AND VERNON VALLEY
AROUND 1030 PM.

WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.

LAT...LON 4121 7439 4060 7490 4078 7502 4096 7533
      4115 7511 4113 7507 4109 7503 4111 7495
      4120 7488 4122 7488 4127 7484 4134 7475
      4135 7468

$$

HAYES

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 8:21 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	35 min
May 15, 8:53 PM EDT	Special Weather Statement	PHI	Hunterdon, Warren	67 min
May 15, 9:17 PM EDT	Special Weather Statement	PHI	Salem	58 min
May 15, 10:08 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Sussex, Warren	3 hr
May 15, 10:12 PM EDT	Special Weather Statement	PHI	Gloucester, Salem	63 min
May 15, 10:16 PM EDT	Areal Flood Advisory	PHI	Cumberland, Gloucester, Salem	3 hr
May 15, 10:28 PM EDT	Special Weather Statement	PHI	Cumberland	62 min
May 15, 10:56 PM EDT	Special Weather Statement	PHI	Sussex	64 min
May 15, 11:10 PM EDT	Special Weather Statement	PHI	Mercer	65 min
May 15, 11:14 PM EDT	Areal Flood Advisory	PHI	Hunterdon	3 hr
May 15, 11:18 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Warren	57 min
May 15, 11:31 PM EDT	Special Weather Statement	PHI	Warren	59 min
May 15, 11:43 PM EDT	Special Weather Statement	PHI	Burlington	62 min
May 15, 11:58 PM EDT	Special Weather Statement	PHI	Mercer, Middlesex, Somerset	62 min
May 16, 12:07 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	3 hr
May 16, 12:10 AM EDT	Special Weather Statement	PHI	Morris, Sussex, Warren	65 min
May 16, 3:32 AM EDT	Small Craft Advisory	PHI		4 days
May 16, 2:33 PM EDT	Special Weather Statement	PHI	Burlington	57 min
May 16, 2:50 PM EDT	Areal Flood Advisory	PHI	Burlington	3 hr
May 16, 3:50 PM EDT	Flood Watch	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more	60 hr
May 16, 4:37 PM EDT	Coastal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more	17 hr
May 15, 8:15 PM EDT	Special Weather Statement	PHI	Berks, Carbon	60 min
May 15, 8:17 PM EDT	Special Weather Statement	PHI	Berks	58 min
May 15, 8:30 PM EDT	Special Weather Statement	PHI	Berks	60 min
May 15, 9:04 PM EDT	Special Weather Statement	PHI	Delaware, Montgomery	56 min
May 15, 9:53 PM EDT	Special Weather Statement	PHI	Montgomery	67 min
May 15, 10:06 PM EDT	Special Weather Statement	PHI	Monroe	54 min
May 15, 10:52 PM EDT	Special Weather Statement	PHI	Bucks, Montgomery	53 min
May 16, 3:04 PM EDT	Special Weather Statement	PHI	Chester	56 min
May 16, 3:19 PM EDT	Areal Flood Advisory	PHI	Berks, Chester	3 hr
May 15, 8:34 PM EDT	Special Weather Statement	PHI	Cecil, Kent, Queen Anne's	56 min
May 15, 8:54 PM EDT	Special Weather Statement	PHI	Caroline	66 min
May 15, 9:19 PM EDT	Special Weather Statement	PHI	Kent	56 min
May 16, 3:35 PM EDT	Special Weather Statement	PHI	Sussex	55 min
May 16, 4:48 PM EDT	Special Weather Statement	PHI	Sussex	57 min
May 16, 5:35 PM EDT	Special Weather Statement	PHI	Kent	55 min

Nearby

Special Weather Statements in New Jersey, 2011 Every special weather statement in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.