Alert archive / New Jersey / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

January 23, 20166 counties in New Jersey; Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Jan 23, 2016, 11:07 AM EST for 6 counties in New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 83 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
Jan 23, 2016, 11:07 AM EST (16:07 UTC)
Expired
Jan 23, 2016, 12:30 PM EST
In force
83 min
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 91 km from the middle of the area, began a volume at 16:10 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 12:00Z, 4.1 hours before the alert went out and 150 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 12:00Z on 2016-01-23Temperature 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 12:00Z on 2016-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
487 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
394 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

724 
WWUS81 KPHI 231607
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1107 AM EST SAT JAN 23 2016
 
NJZ001-007>010-012-015-PAZ054-055-062-105-231730-
SUSSEX-SOMERSET-MORRIS-HUNTERDON-MERCER-WARREN-MIDDLESEX-CARBON-
MONROE-NORTHAMPTON-UPPER BUCKS-
1107 AM EST SAT JAN 23 2016

...BLIZZARD CONDITIONS WITH BANDS OF VERY HEAVY SNOW THROUGH
EARLY AFTERNOON...

AT 11 AM...BANDS OF HEAVY SNOW HAVE DEVELOPED OVER PORTIONS OF
CENTRAL AND NORTHERN NEW JERSEY AND NORTHEASTERN PENNSYLVANIA LATE
THIS MORNING. THIS INCLUDES THE I-78 AND I-80 CORRIDOR. SNOWFALL
RATES OF 2 TO LOCALLY 4 INCHES PER HOUR ARE POSSIBLE UNDERNEATH THIS
BAND. 

THE COMBINATIONS OF THE HEAVY SNOW AND STRONG WINDS WILL PRODUCE
WHITEOUT CONDITIONS WITH VISIBILITIES NEAR ZERO. TRAVEL WILL BE VERY
DANGEROUS TO NEAR IMPOSSIBLE AS SNOW ACCUMULATES FASTER THAN PLOWS
CAN KEEP UP WITH. 

LAT...LON 4115 7515 4108 7503 4118 7488 4091 7432
      4072 7440 4067 7446 4066 7445 4066 7443
      4060 7446 4060 7421 4050 7426 4050 7428
      4045 7423 4027 7441 4018 7462 4093 7567
      4125 7513
TIME...MOT...LOC 1601Z 127DEG 20KT 4074 7475 4108 7552 
$$

KLEIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 9:48 AM ESTHurricane Force Wind WarningPHI6 hr
Jan 23, 3:11 PM ESTCoastal Flood AdvisoryPHISalem22 hr

Nearby

Special Weather Statements in New Jersey, 2016Special Weather Statements in Pennsylvania, 2016Every special weather statement in 2016

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.