Alert archive / Pennsylvania / Special Weather Statements in 2014
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Dec 11, 2014, 9:13 AM EST for Berks County, Pennsylvania. 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
- Dec 11, 2014, 9:13 AM EST (14:13 UTC)
- Expired
- Dec 11, 2014, 11:15 AM EST
- In force
- 2 hr
- Issued by
- NWS Philadelphia/Mount Holly
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 148 km from the middle of the area, began a volume at 14:14 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 2.2 hours before the alert went out and 116 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
- 978 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
022
WWUS81 KPHI 111413
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
913 AM EST THU DEC 11 2014
PAZ060-111615-
BERKS PA-
913 AM EST THU DEC 11 2014
...HEAVIER SNOW SHOWERS WILL CONTINUE TO AFFECT NORTHERN BERKS
COUNTY...
AT 909 AM EST...HEAVY SNOW SHOWERS WERE CENTERED NEAR
SHOEMAKERSVILLE...MOVING SOUTHEAST AT 40 MPH.
THE SNOW IS FALLING HARD ENOUGH TO ACCUMULATE ON ROADWAYS INCLUDING
INTERSTATE 78. THIS WILL CREATE HAZARDOUS DRIVING CONDITIONS. EVEN
MORE HAZARDOUS CONDITIONS WILL OCCUR ON SMALLER ROADWAYS.
BE ESPECIALLY CAUTIOUS IF YOU MUST TRAVEL THIS MORNING.
LAT...LON 4052 7634 4052 7625 4059 7605 4058 7603
4065 7599 4068 7589 4051 7562 4044 7554
4043 7554 4042 7555 4042 7600 4036 7624
4050 7644
$$
&&
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 7:06 PM EST | Special Weather Statement | PHI | Hunterdon, Somerset | 39 min |
| Dec 11, 10:40 AM EST | Special Weather Statement | PHI | Ocean | 80 min |
| Dec 11, 12:06 PM EST | Special Weather Statement | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 84 min |
| Dec 11, 1:35 PM EST | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Monmouth and 2 more | 55 min |
| Dec 11, 2:46 PM EST | Special Weather Statement | PHI | Hunterdon, Somerset | 59 min |
| Dec 10, 7:10 PM EST | Special Weather Statement | PHI | Lehigh, Montgomery | 50 min |
| Dec 10, 8:01 PM EST | Special Weather Statement | PHI | Lehigh | 44 min |
| Dec 11, 9:23 AM EST | Special Weather Statement | PHI | Montgomery | 112 min |
| Dec 11, 11:28 AM EST | Special Weather Statement | PHI | Schuylkill | 2 hr |
| Dec 11, 12:24 PM EST | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's | 81 min |
| Dec 11, 1:26 PM EST | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's, Talbot | 34 min |
| Dec 11, 2:16 PM EST | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 59 min |
Nearby
Special Weather Statements in Pennsylvania, 2014Every special weather statement in 2014
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.