Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 213, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 8, 2012, 2:52 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 53 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
- Sep 8, 2012, 2:52 PM EDT (18:52 UTC)
- Expired
- Sep 8, 2012, 3:45 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Carbon County, PA, Monroe County, PA
The radar
The Philadelphia radar (KDIX), 139 km from the middle of the area, began a volume at 18:53 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 8, 12:15 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.9 hours before the alert went out and 203 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
- 173 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
862
WUUS51 KPHI 081852
SVRPHI
PAC025-089-081945-
/O.NEW.KPHI.SV.W.0213.120908T1852Z-120908T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
252 PM EDT SAT SEP 8 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CARBON COUNTY IN NORTHEAST PENNSYLVANIA...
THIS INCLUDES THE CITY OF LEHIGHTON...
MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
* UNTIL 345 PM EDT
* AT 249 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 11 MILES NORTHWEST OF SKYTOP TO NEW MAHONING...OR ALONG A LINE
EXTENDING FROM 16 MILES EAST OF SCRANTON TO 8 MILES WEST OF
LEHIGHTON...AND MOVING EAST AT 30 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
LAKE HARMONY AND ALBRIGHTSVILLE AROUND 300 PM EDT...
TOBYHANNA...CHRISTMANS...ALBRIGHTSVILLE AND LEHIGHTON AROUND 305 PM
EDT...
MECKESVILLE AND POCONO PINES AROUND 310 PM EDT...
PALMERTON AND POCONO RACEWAY AROUND 315 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP.
IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY
IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4115 7514 4115 7508 4109 7503 4110 7499
4104 7503 4099 7513 4095 7514 4093 7521
4087 7528 4084 7535 4078 7568 4073 7576
4080 7587 4124 7551 4126 7513
TIME...MOT...LOC 1851Z 249DEG 26KT 4135 7535 4083 7586
$$
MPD1 follow-up statement
462
WWUS51 KPHI 081929
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
329 PM EDT SAT SEP 8 2012
PAC025-089-081945-
/O.CON.KPHI.SV.W.0213.000000T0000Z-120908T1945Z/
MONROE PA-CARBON PA-
329 PM EDT SAT SEP 8 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN CARBON AND MONROE COUNTIES...
AT 328 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES NORTHEAST OF SKYTOP TO PALMERTON...OR ALONG A
LINE EXTENDING FROM 27 MILES NORTHWEST OF NEWTON TO LEHIGHTON...
MOVING EAST AT 30 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
TRACHSVILLE...SCOTRUN...PARADISE VALLEY AND MCMICHAEL BY 335 PM
EDT...
TANNERSVILLE...REEDERS...GILBERT AND EFFORT BY 340 PM EDT...
FIDDLETOWN AND BARTONSVILLE BY 345 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4115 7514 4115 7508 4109 7503 4110 7500
4104 7503 4100 7512 4095 7514 4093 7521
4087 7528 4084 7535 4078 7568 4073 7576
4087 7575 4110 7548 4124 7539 4126 7513
TIME...MOT...LOC 1929Z 249DEG 26KT 4135 7509 4083 7561
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 2:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 65 min |
| Sep 8, 3:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Monroe, Montgomery, Northampton | 60 min |
| Sep 8, 4:07 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 83 min |
| Sep 8, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 61 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2012Every severe thunderstorm warning 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.