Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 174, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 13, 2016, 9:55 PM EDT for Carbon County, Monroe County, Northampton County, Pennsylvania. It was in force for 50 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
- Aug 13, 2016, 9:55 PM EDT (01:55 UTC)
- Expired
- Aug 13, 2016, 10:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Carbon County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 141 km from the middle of the area, began a volume at 01:55 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 13, 10:13 PM EDT | HAIL 0.75 | Albrightsville, PA | |
| Aug 13, 10:22 PM EDT | TSTM WND DMG | 2 N Effort, PA | SEVERAL LARGE TREE BRANCHES BLOWN DOWN. WINDS ESTIMATED ABOVE 60 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.9 hours before the alert went out and 199 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
- 2757 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted.
722
WUUS51 KPHI 140155
SVRPHI
PAC025-089-095-140245-
/O.NEW.KPHI.SV.W.0174.160814T0155Z-160814T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
955 PM EDT SAT AUG 13 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
MONROE COUNTY IN NORTHEASTERN PENNSYLVANIA...
EASTERN CARBON COUNTY IN NORTHEASTERN PENNSYLVANIA...
* UNTIL 1045 PM EDT
* AT 955 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR GREENTOWN TO NEAR TAMAQUA...MOVING SOUTHEAST AT
25 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
LEHIGHTON...MOUNT POCONO...EAST STROUDSBURG...TOBYHANNA...
PALMERTON...JIM THORPE...PEN ARGYL...WIND GAP...WEATHERLY...
SKYTOP...CHRISTMANS...BEERSVILLE...DANIELSVILLE...TANNERSVILLE...
MOUNTAINHOME...REEDERS...POCONO PINES...BELTZVILLE STATE PARK...
ECHO LAKE AND DELAWARE WATER GAP.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4115 7515 4114 7509 4108 7503 4109 7499
4102 7508 4099 7513 4097 7513 4071 7543
4090 7586 4124 7544 4125 7513
TIME...MOT...LOC 0155Z 308DEG 21KT 4128 7531 4081 7591
HAIL...0.75IN
WIND...60MPH
$$
MWG2 follow-up statements
376
WWUS51 KPHI 140218
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1018 PM EDT SAT AUG 13 2016
PAC025-089-095-140245-
/O.CON.KPHI.SV.W.0174.000000T0000Z-160814T0245Z/
NORTHAMPTON PA-MONROE PA-CARBON PA-
1018 PM EDT SAT AUG 13 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR NORTHWESTERN NORTHAMPTON...MONROE AND EASTERN CARBON COUNTIES...
AT 1016 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR SKYTOP TO NEAR SNYDERS...MOVING SOUTHEAST AT 25
MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
LEHIGHTON...MOUNT POCONO...EAST STROUDSBURG...TOBYHANNA...
PALMERTON...JIM THORPE...PEN ARGYL...WIND GAP...WEATHERLY...SKYTOP...
CHRISTMANS...BEERSVILLE...DANIELSVILLE...TANNERSVILLE...
MOUNTAINHOME...REEDERS...POCONO PINES...BELTZVILLE STATE PARK...
ECHO LAKE AND DELAWARE WATER GAP.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SPOTTER HAS REPORTED HAIL OF THREE QUARTERS OF AN INCH IN
DIAMETER.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4115 7515 4114 7509 4108 7503 4109 7499
4102 7508 4099 7513 4097 7513 4071 7543
4090 7586 4122 7543 4125 7513
TIME...MOT...LOC 0216Z 308DEG 21KT 4121 7520 4074 7580
HAIL...1.00IN
WIND...60MPH
$$
MWG903
WWUS51 KPHI 140242
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1042 PM EDT SAT AUG 13 2016
PAC025-089-095-140252-
/O.EXP.KPHI.SV.W.0174.000000T0000Z-160814T0245Z/
NORTHAMPTON PA-MONROE PA-CARBON PA-
1042 PM EDT SAT AUG 13 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN NORTHAMPTON...
MONROE AND EASTERN CARBON COUNTIES WILL EXPIRE AT 1045 PM EDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THESE THUNDERSTORMS.
LAT...LON 4115 7515 4114 7509 4108 7503 4109 7499
4102 7508 4099 7513 4097 7513 4071 7543
4090 7586 4122 7543 4125 7513
TIME...MOT...LOC 0242Z 308DEG 21KT 4121 7520 4074 7580
$$
MWGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:05 PM EDT | Special Weather Statement | PHI | Northampton | 40 min |
| Aug 13, 8:16 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 44 min |
| Aug 13, 8:27 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 48 min |
| Aug 13, 9:00 PM EDT | Special Weather Statement | PHI | Bucks | 45 min |
| Aug 13, 9:28 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 47 min |
| Aug 13, 10:35 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 4 hr |
| Aug 13, 10:46 PM EDT | Special Weather Statement | PHI | Monroe | 44 min |
| Aug 13, 11:15 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 45 min |
| Aug 13, 11:46 PM EDT | Special Weather Statement | PHI | Monroe | 29 min |
| Aug 14, 12:30 AM EDT | Special Weather Statement | PHI | Monroe | 45 min |
| Aug 14, 6:24 PM EDT | Special Weather Statement | PHI | Monroe | 51 min |
| Aug 14, 6:57 PM EDT | Special Weather Statement | PHI | Berks | 48 min |
| Aug 14, 7:31 PM EDT | Special Weather Statement | PHI | Montgomery | 44 min |
| Aug 14, 7:56 PM EDT | Special Weather Statement | PHI | Chester | 49 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2016Every severe thunderstorm warning in 2016
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.