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 Oct 4, 2012, 1:55 PM EDT for Carbon County, Lehigh County, Monroe County, Pennsylvania. It was in force for 50 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
- Oct 4, 2012, 1:55 PM EDT (17:55 UTC)
- Expired
- Oct 4, 2012, 2:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Carbon County, PA, Lehigh County, PA, Monroe County, PA
The radar
The Binghamton radar (KBGM), 144 km from the middle of the area, began a volume at 17:57 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, 5.9 hours before the alert went out and 172 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
- 331 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 814 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
074
WWUS81 KPHI 041755
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
155 PM EDT THU OCT 4 2012
PAZ054-055-060>062-041845-
BERKS PA-CARBON PA-LEHIGH PA-MONROE PA-NORTHAMPTON PA-
155 PM EDT THU OCT 4 2012
...SHOWERS AND EMBEDDED THUNDERSTORMS WITH HEAVY RAINFALL WILL
AFFECT BERKS...LEHIGH...MONROE...CARBON AND NORTHAMPTON COUNTIES...
AT 150 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH EMBEDDED THUNDERSTORMS WITH HEAVY RAINFALL ALONG A LINE
EXTENDING FROM 18 MILES SOUTHEAST OF SCRANTON TO 6 MILES SOUTHEAST
OF LEHIGHTON TO 13 MILES NORTH OF READING...MOVING NORTHEAST AT 20
MPH. THE SHOWERS WILL BE NEAR PENN FOREST RESERVOIR...EMERALD AROUND
200 PM...TRACHSVILLE...POCONO RACEWAY...JONAS...SLATINGTON AROUND
205 PM...TOBYHANNA...SUN VALLEY...MERWINSBURG AND LONG POND AROUND
210 PM.
VERY HEAVY RAIN WILL FALL FROM THESE SHOWERS...AND WILL CAUSE WATER
TO POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.
OCCASIONAL LIGHTNING...AS WELL AS LOCALLY GUSTY WINDS WILL ALSO
OCCUR.
LAT...LON 4126 7514 4115 7514 4114 7510 4085 7522
4077 7531 4051 7564 4046 7612 4068 7592
4074 7577 4077 7583 4113 7570 4113 7564
4122 7556 4123 7549
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 2:49 PM EDT | Special Weather Statement | PHI | Warren | 71 min |
| Oct 4, 3:07 PM EDT | Special Weather Statement | PHI | Sussex | 53 min |
| Oct 4, 3:32 PM EDT | Areal Flood Advisory | PHI | Sussex | 92 min |
| Oct 4, 3:41 PM EDT | Special Weather Statement | PHI | Morris | 79 min |
| Oct 4, 4:05 PM EDT | Areal Flood Advisory | PHI | Morris | 94 min |
| Oct 4, 12:56 PM EDT | Special Weather Statement | PHI | Carbon | 64 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.