Alert archive / Pennsylvania / Special Weather Statements in 2012
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Nov 12, 2012, 10:55 PM EST for Berks County, Carbon County, Pennsylvania. It was in force for 80 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 12, 2012, 10:55 PM EST (03:55 UTC)
- Expired
- Nov 13, 2012, 12:15 AM EST
- In force
- 80 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Berks County, PA, Carbon County, PA
The radar
The Binghamton radar (KBGM), 154 km from the middle of the area, began a volume at 03:55 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 00:00Z, 3.9 hours before the alert went out and 247 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
- 4 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1216 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 262 m²/s²
- 0-3 km storm-relative helicity
- 402 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
258
WWUS81 KPHI 130355
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1055 PM EST MON NOV 12 2012
PAZ054-055-060-061-130515-
BERKS PA-CARBON PA-LEHIGH PA-MONROE PA-
1055 PM EST MON NOV 12 2012
...SHOWERS WITH STRONG WIND GUSTS AND BRIEF HEAVY RAINFALL WILL
AFFECT BERKS...LEHIGH...MONROE AND CARBON COUNTIES...
AT 1048 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH STRONG WIND GUSTS AND BRIEF HEAVY RAINFALL ALONG A LINE
EXTENDING FROM 30 MILES NORTHWEST OF WILKES-BARRE TO 46 MILES
NORTHWEST OF LANCASTER TO 40 MILES WEST OF BALTIMORE...MOVING EAST
AT 35 MPH. THE SHOWERS WILL BE NEAR TRESCKOW...STRAUSSTOWN AROUND
1155 PM...WOMELSDORF...BEAVER MEADOWS AROUND
MIDNIGHT...WEATHERLY...LANSFORD...BERNVILLE AROUND 1205
AM...WERNERSVILLE...SUMMIT HILL AND NESQUEHONING AROUND 1210 AM.
WIND GUSTS OF 30 TO 40 MPH AND A BRIEF PERIOD OF HEAVY RAIN ARE
POSSIBLE WITH THESE SHOWERS.
LAT...LON 4017 7593 4050 7643 4052 7624 4058 7602
4065 7599 4073 7578 4091 7600 4101 7575
4109 7577 4113 7570 4113 7564 4123 7554
4124 7541 4124 7540
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 13, 1:17 AM EST | Special Weather Statement | PHI | Hunterdon, Sussex, Warren | 88 min |
| Nov 13, 2:36 AM EST | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 84 min |
| Nov 13, 3:16 AM EST | Special Weather Statement | PHI | Burlington, Mercer, Middlesex, Monmouth, Morris, Ocean and 1 more | 89 min |
| Nov 13, 3:20 AM EST | Special Weather Statement | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester | 85 min |
| Nov 13, 12:01 AM EST | Special Weather Statement | PHI | Berks, Carbon, Chester, Lehigh, Monroe | 89 min |
| Nov 13, 2:39 AM EST | Special Weather Statement | PHI | Kent | 81 min |
| Nov 13, 1:25 AM EST | Special Weather Statement | PHI | Kent, Queen Anne's | 80 min |
Nearby
Special Weather Statements in Pennsylvania, 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.