Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 238, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 13, 2011, 6:15 PM EDT for Carbon County, Pennsylvania. It was in force for 30 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
- Aug 13, 2011, 6:15 PM EDT (22:15 UTC)
- Expired
- Aug 13, 2011, 6:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Carbon County, PA
The radar
The Binghamton radar (KBGM), 135 km from the middle of the area, began a volume at 22:18 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, 10.3 hours before the alert went out and 241 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 5750 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
992
WUUS51 KPHI 132215
SVRPHI
PAC025-132315-
/O.NEW.KPHI.SV.W.0238.110813T2215Z-110813T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
615 PM EDT SAT AUG 13 2011
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...
* UNTIL 715 PM EDT
* AT 611 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
NESQUEHONING...OR 10 MILES WEST OF LEHIGHTON...AND MOVING NORTHEAST
AT 40 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WEATHERLY...JIM THORPE AND 8 MILES NORTHWEST OF LEHIGHTON AROUND
620 PM EDT...
CHRISTMANS...WHITE HAVEN AND 9 MILES NORTHWEST OF PENN FOREST
RESERVOIR AROUND 635 PM EDT...
ALBRIGHTSVILLE AND 6 MILES NORTHWEST OF MECKESVILLE AROUND 640 PM
EDT...
LAKE HARMONY AROUND 645 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
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.
&&
LAT...LON 4111 7562 4099 7550 4094 7557 4091 7555
4077 7583 4084 7594 4091 7600 4098 7584
4100 7575 4103 7576 4105 7578 4109 7578
4114 7570 4114 7568
TIME...MOT...LOC 2215Z 227DEG 34KT 4089 7587
$$
JJM2 follow-up statements
274
WWUS51 KPHI 132235
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
635 PM EDT SAT AUG 13 2011
PAC025-132315-
/O.CON.KPHI.SV.W.0238.000000T0000Z-110813T2315Z/
CARBON PA-
635 PM EDT SAT AUG 13 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR CARBON COUNTY...
AT 632 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR WEATHERLY...OR 10 MILES NORTH OF LEHIGHTON...MOVING
NORTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
CHRISTMANS...EAST SIDE...AND WHITE HAVEN BY 640 PM EDT...
ALBRIGHTSVILLE BY 650 PM EDT...
LAKE HARMONY BY 655 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4111 7562 4110 7562 4099 7551 4094 7557
4091 7555 4084 7582 4092 7592 4098 7584
4100 7575 4105 7578 4108 7578 4114 7570
TIME...MOT...LOC 2234Z 225DEG 26KT 4098 7574
$$
JJM484
WWUS51 KPHI 132245
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
645 PM EDT SAT AUG 13 2011
PAC025-132255-
/O.CAN.KPHI.SV.W.0238.000000T0000Z-110813T2315Z/
CARBON PA-
645 PM EDT SAT AUG 13 2011
...THE SEVERE THUNDERSTORM WARNING FOR CARBON COUNTY IS CANCELLED...
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.
LAT...LON 4111 7562 4110 7562 4099 7551 4094 7557
4091 7555 4084 7582 4092 7592 4098 7584
4100 7575 4105 7578 4108 7578 4114 7570
TIME...MOT...LOC 2245Z 225DEG 26KT 4104 7566
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 1:20 PM EDT | Special Weather Statement | PHI | Chester | 115 min |
| Aug 13, 3:10 PM EDT | Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 13 hr |
| Aug 13, 4:32 PM EDT | Special Weather Statement | PHI | Berks, Chester | 88 min |
| Aug 13, 5:06 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 84 min |
| Aug 13, 7:47 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2011Every severe thunderstorm warning in 2011
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.