Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 218, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 1, 2011, 3:14 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 51 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 1, 2011, 3:14 PM EDT (19:14 UTC)
- Expired
- Aug 1, 2011, 4:05 PM EDT
- In force
- 51 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Carbon County, PA, Monroe County, PA
The radar
The Binghamton radar (KBGM), 132 km from the middle of the area, began a volume at 19:14 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, 7.2 hours before the alert went out and 180 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
- 307 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1512 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -192 m²/s²
- 0-3 km storm-relative helicity
- -166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.5
The text
As transmitted, in the capitals the NWS used until 2016.
265
WUUS51 KPHI 011914
SVRPHI
PAC025-089-012030-
/O.NEW.KPHI.SV.W.0218.110801T1914Z-110801T2030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
314 PM EDT MON AUG 1 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...
MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
THIS INCLUDES THE CITY OF MOUNT POCONO...
* UNTIL 430 PM EDT
* AT 310 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 8 MILES
NORTH OF WHITE HAVEN...OR 7 MILES SOUTHEAST OF WILKES-BARRE...AND
MOVING SOUTHEAST AT 20 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WEATHERLY...BLAKESLEE...LAKE HARMONY...POCONO PINES...
NESQUEHONING...ALBRIGHTSVILLE...CHRISTMANS...POCONO RACEWAY...
MECKESVILLE...JIM THORPE...LONG POND...JONAS...PENN FOREST
RESERVOIR...SCOTRUN...BELTZVILLE STATE PARK...HERNYVILLE...
REEDERS...GILBERT...ANALOMINK...EAST STROUDSBURG AND BRODHEADSVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL.
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY 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 4103 7507 4077 7580 4096 7588 4101 7575
4105 7578 4110 7577 4114 7570 4113 7564
4122 7555
TIME...MOT...LOC 1914Z 318DEG 15KT 4115 7580
$$
TFG2 follow-up statements
362
WWUS51 KPHI 011951
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
351 PM EDT MON AUG 1 2011
PAC025-089-012030-
/O.CON.KPHI.SV.W.0218.000000T0000Z-110801T2030Z/
CARBON PA-MONROE PA-
351 PM EDT MON AUG 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR WESTERN MONROE AND CARBON COUNTIES...
AT 348 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
EAST SIDE...OR 15 MILES SOUTHEAST OF WILKES-BARRE...MOVING SOUTHEAST
AT 10 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BLAKESLEE...LAKE HARMONY...WEATHERLY...ALBRIGHTSVILLE...POCONO
RACEWAY...LONG POND...CHRISTMANS...PENN FOREST RESERVOIR...
MECKESVILLE...JONAS...GILBERT...BELTZVILLE STATE PARK...WEISSPORT
EAST...WEISSPORT...PARRYVILLE...NESQUEHONING...LEHIGHTON...JIM THORPE
AND BRODHEADSVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4115 7555 4093 7535 4077 7580 4096 7588
4101 7575 4105 7578 4110 7577 4114 7570
4113 7564
TIME...MOT...LOC 1951Z 330DEG 10KT 4106 7572
$$
TFG454
WWUS51 KPHI 012005
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
405 PM EDT MON AUG 1 2011
PAC025-089-012016-
/O.CAN.KPHI.SV.W.0218.000000T0000Z-110801T2030Z/
CARBON PA-MONROE PA-
405 PM EDT MON AUG 1 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MONROE AND CARBON
COUNTIES IS CANCELLED...
THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS.
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 4115 7555 4093 7535 4077 7580 4096 7588
4101 7575 4105 7578 4110 7577 4114 7570
4113 7564
TIME...MOT...LOC 2006Z 330DEG 10KT 4102 7569
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 10:00 PM EDT | Special Weather Statement | PHI | Chester | 60 min |
| Aug 1, 1:35 PM EDT | Special Weather Statement | PHI | Carbon, Lehigh, Monroe, Northampton | 3 hr |
| Aug 1, 3:46 PM EDT | Special Weather Statement | PHI | Berks | 89 min |
| Aug 1, 4:00 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 75 min |
| Aug 1, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 87 min |
| Aug 1, 4:39 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 42 min |
| Aug 1, 5:11 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 2 hr |
| Aug 1, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 53 min |
| Aug 1, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 70 min |
| Aug 1, 6:17 PM EDT | Areal Flood Advisory | PHI | Delaware, Philadelphia | 3 hr |
| Aug 1, 6:20 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 46 min |
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.