Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 175, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2011, 6:15 PM EDT for Carbon County, Monroe County, Northampton County, Pennsylvania. It was in force for 75 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 18, 2011, 6:15 PM EDT (22:15 UTC)
- Expired
- Jul 18, 2011, 7:30 PM EDT
- In force
- 75 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Carbon County, PA, Monroe County, PA, Northampton County, PA
The radar
The Binghamton radar (KBGM), 134 km from the middle of the area, began a volume at 22:17 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 18, 6:43 PM EDT | TSTM WND DMG | Lake Harmony, PA | TREE DOWN IN KIDDER TOWNSHIP. |
| Jul 18, 7:12 PM EDT | TSTM WND DMG | Pocono Twp, PA | TREE DOWN ON HOUSE IN HENRYVILLE AREA. NO INJURIES REPORTED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.3 hours before the alert went out and 181 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
- 9 J/kg
- Mixed-layer CIN
- -228 J/kg
- Mixed-layer LCL
- 1206 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
288
WUUS51 KPHI 182215
SVRPHI
PAC025-089-095-182330-
/O.NEW.KPHI.SV.W.0175.110718T2215Z-110718T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
615 PM EDT MON JUL 18 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
NORTHEASTERN CARBON COUNTY IN NORTHEAST PENNSYLVANIA...
SOUTHERN MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
THIS INCLUDES THE CITY OF MOUNT POCONO...
* UNTIL 730 PM EDT
* AT 613 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
WHITE HAVEN...OR 13 MILES SOUTH OF WILKES-BARRE...AND MOVING EAST
AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WHITE HAVEN AROUND 620 PM EDT...
CHRISTMANS AROUND 635 PM EDT...
ALBRIGHTSVILLE...LAKE HARMONY AND BLAKESLEE AROUND 640 PM EDT...
MECKESVILLE AROUND 645 PM EDT...
POCONO RACEWAY AND JONAS AROUND 650 PM EDT...
LONG POND AROUND 655 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.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES GREATEST KILLERS.
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.
&&
LAT...LON 4113 7510 4084 7517 4098 7580 4099 7579
4101 7575 4105 7578 4110 7577 4114 7570
TIME...MOT...LOC 2215Z 281DEG 27KT 4106 7584
$$
NIERENBERG1 follow-up statement
327
WWUS51 KPHI 182257
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
657 PM EDT MON JUL 18 2011
PAC025-182306-
/O.CAN.KPHI.SV.W.0175.000000T0000Z-110718T2330Z/
CARBON PA-
657 PM EDT MON JUL 18 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CARBON COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM HAS EXITED THE COUNTY.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4084 7517 4092 7554 4095 7552 4100 7549
4103 7550 4104 7550 4105 7542 4110 7511
TIME...MOT...LOC 2256Z 282DEG 27KT 4097 7545
$$
PAC089-095-182330-
/O.CON.KPHI.SV.W.0175.000000T0000Z-110718T2330Z/
NORTHAMPTON PA-MONROE PA-
657 PM EDT MON JUL 18 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHERN MONROE AND NORTHEASTERN NORTHAMPTON COUNTIES...
AT 651 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 GILBERT...OR 12 MILES SOUTHWEST OF MOUNT POCONO...MOVING
EAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
REEDERS AND 8 MILES SOUTH OF SCOTRUN BY 705 PM EDT...
SAYLORSBURG BY 710 PM EDT...
8 MILES SOUTH OF ANALOMINK BY 715 PM EDT...
STORMVILLE...STROUDSBURG...ROSETO AND PEN ARGYL BY 720 PM EDT...
EAST BANGOR AND BANGOR BY 725 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 4084 7517 4092 7554 4095 7552 4100 7549
4103 7550 4104 7550 4105 7542 4110 7511
TIME...MOT...LOC 2256Z 282DEG 27KT 4097 7545
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 6:04 PM EDT | Special Weather Statement | PHI | Carbon, Monroe, Northampton | 56 min |
| Jul 18, 7:01 PM EDT | Special Weather Statement | PHI | Monroe | 89 min |
| Jul 18, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 83 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.