Alert archive / Pennsylvania / Special Weather Statements in 2017
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Mar 3, 2017, 4:08 PM EST for Warren County, New Jersey; Lehigh County, Northampton County, Pennsylvania. It was in force for 37 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
- Mar 3, 2017, 4:08 PM EST (21:08 UTC)
- Expired
- Mar 3, 2017, 4:45 PM EST
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Warren County, NJ, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 123 km from the middle of the area, began a volume at 21:11 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, 9.1 hours before the alert went out and 226 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1272 m above ground
- 0-6 km bulk shear
- 90 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
294
WWUS81 KPHI 032108
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
408 PM EST FRI MAR 3 2017
NJZ007>009-PAZ054-055-060>062-103-105-032145-
Morris-Hunterdon-Warren-Upper Bucks-Lehigh-Monroe-Western
Montgomery-Northampton-Berks-Carbon-
408 PM EST FRI MAR 3 2017
...A SNOW SQUALL WILL AFFECT WEST CENTRAL MORRIS...NORTHWESTERN
HUNTERDON...SOUTHERN WARREN...NORTHEASTERN BERKS...NORTHWESTERN
MONTGOMERY...LEHIGH...SOUTHEASTERN CARBON...NORTHWESTERN BUCKS...
SOUTHWESTERN MONROE AND NORTHAMPTON COUNTIES...
At 406 PM EST, a snow squall was located along a line extending from
near East Bangor to near Kutztown. Movement was east at 40 mph.
Locations impacted include...
Allentown, Easton, Lehighton, Bethlehem, Forks, Emmaus, Northampton,
Hackettstown, Quakertown, Wilson, Washington, Hellertown, Nazareth,
Palmerton, Bangor, Kutztown, Hamburg, Slatington, Fleetwood and High
Bridge.
Visibilities in this squall will drop quickly to under one-half mile
in spots for a few minutes. Wind gusts up to 40 mph are also
possible. Any snowfall accumulations will be minor and limited to
grassy surfaces.
Use extra caution and reduce speed if traveling into or through this
snow squall. Rapid changes in visibility could lead to accidents.
LAT...LON 4068 7588 4074 7576 4076 7579 4094 7557
4083 7466 4059 7497 4044 7522 4032 7546
4052 7608
TIME...MOT...LOC 2106Z 288DEG 36KT 4084 7516 4058 7577
$$
JRKThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 3, 3:04 PM EST | Special Weather Statement | PHI | Gloucester, Salem | 41 min |
| Mar 3, 3:18 PM EST | Special Weather Statement | PHI | Sussex, Warren | 57 min |
| Mar 3, 4:48 PM EST | Special Weather Statement | PHI | Hunterdon, Mercer | 42 min |
| Mar 3, 4:54 PM EST | Special Weather Statement | PHI | Morris, Somerset | 36 min |
| Mar 3, 5:31 PM EST | Special Weather Statement | PHI | Camden, Mercer | 29 min |
| Mar 3, 5:52 PM EST | Special Weather Statement | PHI | Burlington, Camden, Gloucester | 23 min |
| Mar 3, 6:17 PM EST | Special Weather Statement | PHI | Burlington, Ocean | 28 min |
| Mar 3, 3:08 PM EST | Special Weather Statement | PHI | Montgomery | 37 min |
| Mar 3, 3:42 PM EST | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 33 min |
Nearby
Special Weather Statements in Pennsylvania, 2017Special Weather Statements in New Jersey, 2017Every special weather statement in 2017
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.