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 29, 2012, 7:45 PM EST for 4 states. It was in force for 2 hr. 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 29, 2012, 7:45 PM EST (00:45 UTC)
- Expired
- Feb 29, 2012, 9:45 PM EST
- In force
- 2 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 21 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Dover AFB radar (KDOX), 45 km from the middle of the area, began a volume at 00:44 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.8 hours before the alert went out and 144 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
- 613 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 227 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
441
WWUS81 KPHI 010045
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
745 PM EST WED FEB 29 2012
DEZ001>004-MDZ008-012-015-019-020-NJZ016>019-021>024-027-PAZ060-
067>071-010245-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-BERKS PA-BUCKS PA-CAMDEN NJ-
CAPE MAY NJ-CAROLINE MD-CECIL MD-CHESTER PA-CUMBERLAND NJ-DELAWARE PA-
DELAWARE BEACHES DE-GLOUCESTER NJ-INLAND SUSSEX DE-KENT DE-KENT MD-
MONTGOMERY PA-NEW CASTLE DE-NORTHWESTERN BURLINGTON NJ-
PHILADELPHIA PA-QUEEN ANNE'S MD-SALEM NJ-SOUTHEASTERN BURLINGTON NJ-
TALBOT MD-
745 PM EST WED FEB 29 2012
...HEAVY RAIN THIS EVENING...
AN AREA OF HEAVY RAIN WILL MOVE FROM WEST TO EAST ACROSS THE REGION
THIS EVENING. SOME ISOLATED THUNDERSTORMS ARE ALSO POSSIBLE. THE
RAIN WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE
DITCHES AND SMALL STREAMS. ALL TRAVELERS SHOULD REMAIN ALERT FOR
DETERIORATING WEATHER CONDITIONS. IF ENCOUNTERED, SLOW DOWN AND
LEAVE PLENTY OF ROOM BETWEEN YOUR VEHICLE AND THE ONE IN FRONT OF
YOU. AND REMEMBER, IF YOU COME UPON A FLOODED ROADWAY --- TURN
AROUND, DON'T DROWN.
LAT...LON 3853 7571 3870 7584 3857 7603 3867 7620
3921 7626 3952 7599 3972 7623 4014 7589
4047 7638 4048 7508 3976 7439 3892 7491
3892 7497 3916 7490 3918 7515 3949 7557
3948 7558 3892 7530 3880 7508 3845 7504
$$
RPWThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 2:21 AM EST | Special Weather Statement | PHI | Cape May | 24 min |
Nearby
Special Weather Statements in New Jersey, 2012Special Weather Statements in Pennsylvania, 2012Special Weather Statements in Maryland, 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.