Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

October 19, 2011Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Oct 19, 2011, 11:48 PM EDT for Sussex County, New Jersey. It was in force for 12 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
Oct 19, 2011, 11:48 PM EDT (03:48 UTC)
Expired
Oct 20, 2011, 12:00 AM EDT
In force
12 min
Issued by
NWS Philadelphia/Mount Holly

County Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 143 km from the middle of the area, began a volume at 03:47 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, 3.8 hours before the alert went out and 158 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2011-10-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2011-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 222 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
434 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
222 m²/s²
0-3 km storm-relative helicity
289 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.

376 
WWUS81 KPHI 200348
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1148 PM EDT WED OCT 19 2011

NJZ001-200400-
SUSSEX NJ-
1148 PM EDT WED OCT 19 2011

...SHOWERS WITH POSSIBLE GUSTS TO 35 MPH WILL AFFECT SUSSEX COUNTY...

AT 1141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH STRONG WIND GUSTS ALONG A LINE EXTENDING FROM 5 MILES 
NORTHWEST OF NEWTON TO 18 MILES EAST OF NEWTON...MOVING NORTH AT 
NEARLY 50 MPH. THE SHOWERS WILL BE NEAR HIGH POINT AROUND 1155 PM.

BRIEF VERY HEAVY RAIN WILL FALL FROM THESE SHOWERS...AND WILL CAUSE 
WATER TO POND ON ROADS. WINDS MAY GUST 30 TO 35 MPH. 

LAT...LON 4120 7437 4118 7437 4109 7449 4107 7493
      4111 7495 4120 7488 4122 7488 4127 7484
      4132 7479 4135 7471 4135 7468

$$

FORECASTER: DRAG

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 9:56 PM EDTSpecial Weather StatementPHIWarren49 min
Oct 19, 10:26 PM EDTSpecial Weather StatementPHIMercer, Middlesex, Monmouth, Morris, Somerset64 min
Oct 20, 12:09 AM EDTSpecial Weather StatementPHICumberland66 min
Oct 20, 2:41 AM EDTGale WarningPHI13 hr
Oct 20, 4:22 AM EDTCoastal Flood StatementPHIBurlington, Camden, Gloucester, Salem4 hr
Oct 20, 2:11 AM EDTCoastal Flood AdvisoryPHICecil, Kent, Queen Anne's3 hr
Oct 20, 8:25 AM EDTCoastal Flood AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot9 hr
Oct 20, 5:09 PM EDTCoastal Flood AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot3 hr
Oct 19, 11:30 PM EDTSpecial Weather StatementPHISussex90 min

Nearby

Special Weather Statements in New Jersey, 2011Every 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.