Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 123, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 26, 2012, 5:21 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 54 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 26, 2012, 5:21 PM EDT (21:21 UTC)
- Expired
- Jul 26, 2012, 6:15 PM EDT
- In force
- 54 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Carbon County, PA, Monroe County, PA
The radar
The Binghamton radar (KBGM), 137 km from the middle of the area, began a volume at 21:23 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 26, 5:56 PM EDT | TSTM WND DMG | Palmerton, PA | TREES AND POWER LINES DOWN |
| Jul 26, 6:09 PM EDT | TSTM WND GST 52 | Mount Pocono, PA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 26, 3:57 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.4 hours before the alert went out and 184 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
- 59 J/kg
- Mixed-layer CIN
- -282 J/kg
- Mixed-layer LCL
- 1017 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
033
WUUS51 KPHI 262121
SVRPHI
PAC025-089-262215-
/O.NEW.KPHI.SV.W.0123.120726T2121Z-120726T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
521 PM EDT THU JUL 26 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...
THIS INCLUDES THE CITY OF MOUNT POCONO...
* UNTIL 615 PM EDT
* AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
BERWICK...AND MOVING EAST AT 50 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ALBRIGHTSVILLE...BLAKESLEE AND CHRISTMANS AROUND 550 PM EDT...
LAKE HARMONY AND MECKESVILLE AROUND 555 PM EDT...
POCONO RACEWAY...LONG POND...SUN VALLEY AND POCONO PINES AROUND 600
PM EDT...
REEDERS AROUND 605 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME ROTATION WITHIN THIS STORM. 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.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
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 1100 PM EDT
THURSDAY EVENING FOR EASTERN PENNSYLVANIA.
&&
LAT...LON 4115 7514 4115 7508 4109 7503 4109 7497
4099 7513 4095 7514 4093 7521 4087 7528
4079 7560 4082 7590 4091 7600 4101 7575
4105 7578 4109 7577 4113 7570 4113 7564
4124 7551 4126 7513
TIME...MOT...LOC 2119Z 275DEG 52KT 4109 7624
$$
IOVINO1 follow-up statement
421
WWUS51 KPHI 262150
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
550 PM EDT THU JUL 26 2012
PAC025-089-262215-
/O.CON.KPHI.SV.W.0123.000000T0000Z-120726T2215Z/
MONROE PA-CARBON PA-
550 PM EDT THU JUL 26 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR CARBON AND MONROE COUNTIES...
AT 550 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED OVER WESTERN CARBON COUNTY...MOVING EAST AT 55 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
LAKE HARMONY...ALBRIGHTSVILLE...MECKESVILLE AND BLAKESLEE BY 555 PM
EDT...
POCONO RACEWAY...LONG POND...SUN VALLEY AND JONAS BY 600 PM EDT...
REEDERS AND TANNERSVILLE BY 605 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
THURSDAY EVENING FOR EASTERN PENNSYLVANIA.
&&
LAT...LON 4115 7514 4115 7508 4109 7503 4109 7497
4099 7513 4095 7514 4093 7521 4087 7528
4079 7560 4082 7590 4091 7600 4101 7575
4105 7578 4109 7577 4113 7570 4113 7564
4124 7551 4126 7513
TIME...MOT...LOC 2150Z 275DEG 52KT 4105 7565
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 7:41 AM EDT | Special Weather Statement | PHI | Carbon, Lehigh, Monroe, Northampton | 64 min |
| Jul 26, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Northampton | 74 min |
| Jul 26, 6:03 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 42 min |
| Jul 26, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 95 min |
| Jul 26, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 83 min |
| Jul 26, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia | 89 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.