Alert archive / Pennsylvania / Special Weather Statements in 2013

Special Weather Statement, NWS Philadelphia/Mount Holly

November 23, 2013Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Nov 23, 2013, 5:23 PM EST for Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania. It was in force for 52 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: Nov 23, 2013, 5:23 PM EST (22:23 UTC)
Expired: Nov 23, 2013, 6:15 PM EST
In force: 52 min
Issued by: NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 134 km from the middle of the area, began a volume at 22:25 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, 10.4 hours before the alert went out and 198 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1029 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: -179 m²/s²
0-3 km storm-relative helicity: -50 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at Nov 23, 3:58 PM EST, 1 hour 25 minutes earlier.

Area forecast discussion, Nov 23, 3:58 PM EST, 1 hour 25 minutes before

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Hazardous weather outlook, Nov 23, 4:02 PM EST, 1 hour 21 minutes before

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In the hours before

Special weather statement, Nov 23, 5:23 PM EST, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
523 PM EST SAT NOV 23 2013

NJZ001-007-PAZ054-055-232315-
CARBON PA-MONROE PA-SUSSEX NJ-WARREN NJ-
523 PM EST SAT NOV 23 2013

...SNOW SHOWERS OR POSSIBLY EVEN A SNOW SQUALL WILL AFFECT
MONROE...NORTHERN CARBON...NORTHERN SUSSEX AND NORTHERN WARREN
COUNTIES THIS EVENING...

A BAND OF SNOW SHOWERS AND POSSIBLE SQUALLS APPROACHING SCRANTON
PENNSYLVANIA AT 515 PM WILL ARRIVE ON THE NORTHERN PORTIONS OF
CARBON AND MONROE COUNTIES IN PENNSYLVANIA AND NORTHERN SUSSEX
COUNTY NEW JERSEY AROUND 6 PM. THIS BAND OF SNOW WAS ALONG A STRONG
COLD FRONT ACCOMPANIED BY A WIND SHIFT TO NORTHWEST. IT WAS MOVING
SOUTHEAST AT ABOUT 40 MPH.

WIND GUSTS OF 30 TO 40 MPH ARE POSSIBLE WITH THESE SNOW SHOWERS.

THE SNOW WILL FALL ONTO STILL SOMEWHAT WARM ROAD SURFACES...WHICH
WILL CAUSE IT TO QUICKLY MELT AND THEN RE-FREEZE. THIS COULD CREATE
VERY ICY CONDITIONS IF THE ROAD SURFACE IS UNTREATED.

LAT...LON 4124 7444 4099 7491 4087 7583 4093 7595
      4100 7575 4110 7576 4114 7569 4113 7564
      4123 7554 4126 7513 4116 7515 4114 7508
      4109 7502 4118 7489 4129 7484 4135 7475
      4136 7469

FORECASTER:  DRAG

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 23, 3:43 PM EST	Red Flag Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 9 more	26 hr
Nov 23, 6:21 PM EST	Wind Advisory	PHI	Sussex	19 hr
Nov 23, 6:42 PM EST	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	48 min

Nearby

Special Weather Statements in Pennsylvania, 2013 Special Weather Statements in New Jersey, 2013 Every special weather statement in 2013

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.