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 Jul 15, 2012, 2:34 PM EDT for Bucks County, Pennsylvania. It was in force for 56 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
- Jul 15, 2012, 2:34 PM EDT (18:34 UTC)
- Expired
- Jul 15, 2012, 3:30 PM EDT
- In force
- 56 min
- Issued by
- NWS Philadelphia/Mount Holly
County Bucks County, PA
The radar
The Philadelphia radar (KDIX), 94 km from the middle of the area, began a volume at 18:34 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, 6.6 hours before the alert went out and 215 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
- 88 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
960
WWUS81 KPHI 151834
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
234 PM EDT SUN JUL 15 2012
PAZ061-068-069-151930-
BUCKS PA-LEHIGH PA-MONTGOMERY PA-
234 PM EDT SUN JUL 15 2012
...A STRONG THUNDERSTORM WILL AFFECT BUCKS...LEHIGH AND MONTGOMERY
COUNTIES...
AT 229 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 10 MILES SOUTHWEST OF ALLENTOWN...MOVING EAST AT
20 MPH. THE THUNDERSTORM WILL BE NEAR EAST GREENVILLE...PENNSBURG
AROUND 240 PM...GERYVILLE...RED HILL AROUND 245 PM...TRUMBAUERSVILLE
AROUND 255 PM...QUAKERTOWN...RICHLANDTOWN AROUND 300 PM...PERKASIE...
SELLERSVILLE AND TELFORD AROUND 310 PM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.
EXPECT SMALL HAIL AND FREQUENT...DANGEROUS CLOUD TO GROUND LIGHTNING
FROM THIS STORM.
LAT...LON 4026 7513 4038 7559 4045 7553 4049 7559
4052 7559 4048 7506 4044 7506
$$
FORECASTER: AMCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:44 PM EDT | Excessive Heat Warning | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Morris and 1 more | 4 days |
| Jul 15, 4:01 PM EDT | Special Weather Statement | PHI | Mercer | 59 min |
| Jul 15, 4:59 PM EDT | Special Weather Statement | PHI | Ocean | 61 min |
| Jul 15, 6:10 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jul 15, 6:54 PM EDT | Special Marine Warning | PHI | 24 min | |
| Jul 15, 7:04 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 56 min |
| Jul 15, 7:44 PM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 61 min |
| Jul 15, 12:51 PM EDT | Special Weather Statement | PHI | Lehigh | 39 min |
| Jul 15, 1:31 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 59 min |
| Jul 15, 2:41 PM EDT | Special Weather Statement | PHI | Carbon | 64 min |
| Jul 15, 2:50 PM EDT | Special Weather Statement | PHI | Carbon | 55 min |
| Jul 15, 3:29 PM EDT | Special Weather Statement | PHI | Bucks | 61 min |
| Jul 15, 5:07 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 53 min |
| Jul 15, 5:58 PM EDT | Special Weather Statement | PHI | Monroe | 62 min |
| Jul 15, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 62 min |
| Jul 15, 6:40 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 65 min |
| Jul 15, 7:58 PM EDT | Special Weather Statement | PHI | Berks, Bucks | 62 min |
| Jul 15, 5:47 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 58 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.