Alert archive / New Jersey / Special Weather Statements in 2012
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Feb 11, 2012, 5:49 PM EST for 4 states. It was in force for 86 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
- Feb 11, 2012, 5:49 PM EST (22:49 UTC)
- Expired
- Feb 11, 2012, 7:15 PM EST
- In force
- 86 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, Cecil County, MD, Salem County, NJ, Chester County, PA
The radar
The Dover AFB radar (KDOX), 95 km from the middle of the area, began a volume at 22:53 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.8 hours before the alert went out and 162 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
- 562 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- -157 m²/s²
- 0-3 km storm-relative helicity
- -59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
523
WWUS81 KPHI 112249
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
549 PM EST SAT FEB 11 2012
DEZ001-002-MDZ008-012-015-NJZ016-021-PAZ067-070-120015-
CECIL MD-CHESTER PA-CUMBERLAND NJ-DELAWARE PA-KENT DE-KENT MD-
NEW CASTLE DE-QUEEN ANNE'S MD-SALEM NJ-
549 PM EST SAT FEB 11 2012
...SNOW SQUALLS AND SNOW SHOWERS WILL AFFECT DELAWARE...
NEW CASTLE...CECIL...KENT...CHESTER...QUEEN ANNE'S...
SALEM AND CUMBERLAND COUNTIES...
AT 537 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SNOW
SHOWERS WITH A POCKET OF SNOW SQUALLS OVER EASTERN LANCASTER COUNTY.
IT WAS MOVING SOUTHEAST AT 40 MPH. THE SQUALL COULD AFFECT GLEN
WESTOVER...PIKE CREEK...NORTH STAR...APPLETON AROUND 555 PM...
BROOKSIDE...NEWARK...STANTON...NEWPORT AROUND 600 PM...BEAR AND
GLASGOW AROUND 605 PM.
THE SNOW WILL RAPIDLY DROP VISIBILITIES IN THE SQUALL TO AROUND A
QUARTER OF A MILE AND WILL CAUSE RAPID ACCUMULATIONS OF SNOW, POSSIBLY
EVEN ON SOME TERTIARY ROADS.
USE EXTREME CAUTION IF YOU MUST TRAVEL INTO OR THROUGH THIS
POTENTIALLY DANGEROUS SNOW SQUALL. CONSIDER DELAYING TRAVEL UNTIL THE
SQUALLS PASS YOUR LOCATION. TEMPERATURES WILL BE FALLING BELOW
FREEZING THIS EVENING, SO ANY UNTREATED ROADWAYS AND WALKWAYS WILL
BECOME SLIPPERY AND HAZARDOUS.
LAT...LON 3988 7600 3996 7600 4003 7594 4011 7595
4014 7587 3979 7541 3973 7537 3968 7527
3951 7504 3936 7540 3946 7555 3950 7556
3946 7558 3934 7547 3912 7599 3940 7605
3943 7600 3952 7599 3954 7608 3974 7612
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 3:37 AM EST | Gale Warning | PHI | 45 hr | |
| Feb 11, 3:19 PM EST | Special Weather Statement | PHI | Salem | 3 hr |
| Feb 11, 3:37 PM EST | Wind Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 12 hr |
| Feb 11, 6:16 PM EST | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 104 min |
Nearby
Special Weather Statements in New Jersey, 2012Special Weather Statements in Pennsylvania, 2012Special Weather Statements in Delaware, 2012Every special weather statement in 2012
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.