Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

May 15, 2011Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 15, 2011, 11:31 PM EDT for 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, 11:31 PM EDT (03:31 UTC)
Expired: May 16, 2011, 12:30 AM EDT
In force: 59 min
Issued by: NWS Philadelphia/Mount Holly

County Warren County, NJ

The radar

The Philadelphia radar (KDIX), 112 km from the middle of the area, began a volume at 03:31 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, 3.5 hours before the alert went out and 191 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.

191 
WWUS81 KPHI 160331
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1131 PM EDT SUN MAY 15 2011

NJZ007>009-PAZ055-061-062-069-160430-
BUCKS PA-HUNTERDON NJ-LEHIGH PA-MONROE PA-MORRIS NJ-NORTHAMPTON PA-
WARREN NJ-
1131 PM EDT SUN MAY 15 2011

...A STRONG THUNDERSTORM WILL AFFECT BUCKS...HUNTERDON...LEHIGH...
MONROE...MORRIS...NORTHAMPTON AND WARREN COUNTIES...

AT 1127 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 9 MILES SOUTH OF EASTON...MOVING NORTHEAST AT 20
MPH. THE THUNDERSTORM WILL BE NEAR RIEGELSVILLE AROUND 1130 PM...
ALPHA...EASTON AROUND 1145 PM...PHILLIPSBURG...BLOOMSBURY AROUND
MIDNIGHT...ROXBURG...BELVIDERE AROUND 1215 AM...HOPE AND COLUMBIA
AROUND 1230 AM.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.

LAT...LON 4102 7512 4089 7479 4046 7519 4055 7542

$$

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, 9:46 PM EDT	Special Weather Statement	PHI	Sussex, Warren	59 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, 11:43 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.