Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 195, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 11, 2009, 3:47 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 43 min. 1 report 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
- Aug 11, 2009, 3:47 PM EDT (19:47 UTC)
- Expired
- Aug 11, 2009, 4:30 PM EDT
- In force
- 43 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 19:49 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 |
|---|---|---|---|
| Aug 11, 3:50 PM EDT | TSTM WND DMG | Albrightsville, PA | GARAGE DOOR BLOWN IN AT INDIAN MOUNTAIN LAKES. |
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, 7.8 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
- 93 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 111947
SVRPHI
PAC025-089-112030-
/O.NEW.KPHI.SV.W.0195.090811T1947Z-090811T2030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
347 PM EDT TUE AUG 11 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN CARBON COUNTY IN NORTHEAST PENNSYLVANIA...
SOUTHERN MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
* UNTIL 430 PM EDT
* AT 347 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
LAKE HARMONY...OR 12 MILES SOUTHWEST OF MOUNT POCONO...AND
MOVING SOUTHEAST AT 20 TO 25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
POCONO RACEWAY...LONG POND AND 6 MILES NORTHEAST OF PENN FOREST
RESERVOIR AROUND 355 PM EDT...
JONAS AROUND 400 PM EDT...
9 MILES SOUTHWEST OF SCOTRUN AROUND 405 PM EDT...
GILBERT AND 6 MILES SOUTHWEST OF REEDERS AROUND 410 PM EDT...
BRODHEADSVILLE AROUND 415 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 4102 7512 4082 7553 4105 7577 4114 7568
4113 7564 4116 7562 4118 7559
TIME...MOT...LOC 1947Z 308DEG 23KT 4104 7556
$$1 follow-up statement
000
WWUS51 KPHI 112016
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
416 PM EDT TUE AUG 11 2009
PAC025-112025-
/O.CAN.KPHI.SV.W.0195.000000T0000Z-090811T2030Z/
CARBON PA-
416 PM EDT TUE AUG 11 2009
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CARBON COUNTY IS
CANCELLED...
LAT...LON 4100 7519 4088 7541 4096 7550 4102 7546
4106 7536
TIME...MOT...LOC 2015Z 308DEG 23KT 4093 7537
$$
PAC089-112030-
/O.CON.KPHI.SV.W.0195.000000T0000Z-090811T2030Z/
MONROE PA-
416 PM EDT TUE AUG 11 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHERN MONROE COUNTY...
AT 414 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR BRODHEADSVILLE...OR 13 MILES SOUTH OF MOUNT POCONO...
MOVING SOUTHEAST AT 25 MPH.
A REPORT WAS RECEIVED OF A PARTIALLY COLLAPSED GARAGE IN INDIAN
MOUNTAIN LAKES WITH THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 4100 7519 4088 7541 4096 7550 4102 7546
4106 7536
TIME...MOT...LOC 2015Z 308DEG 23KT 4093 7537
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 4:19 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 34 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2009Every severe thunderstorm warning in 2009
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.