Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 107, NWS Philadelphia/Mount Holly

July 18, 2016Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2016, 1:48 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 57 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
Jul 18, 2016, 1:48 PM EDT (17:48 UTC)
Expired
Jul 18, 2016, 2:45 PM EDT
In force
57 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

The radar

The Binghamton radar (KBGM), 128 km from the middle of the area, began a volume at 17:48 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

TimeReportWhereRemark
Jul 18, 2:16 PM EDTTSTM WND GST 46Pocono Mountains Airpor, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 18, 12:05 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 5.8 hours before the alert went out and 222 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2016-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2016-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1554 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

615 
WUUS51 KPHI 181748
SVRPHI
PAC025-089-181845-
/O.NEW.KPHI.SV.W.0107.160718T1748Z-160718T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
148 PM EDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONROE COUNTY IN NORTHEASTERN PENNSYLVANIA...
  NORTHEASTERN CARBON COUNTY IN NORTHEASTERN PENNSYLVANIA...

* UNTIL 245 PM EDT

* AT 148 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WHITE
  HAVEN... OR 14 MILES SOUTHEAST OF WILKES-BARRE...MOVING EAST AT 30
  MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  MOUNT POCONO...TOBYHANNA...WEATHERLY...SKYTOP...CHRISTMANS...
  SCOTRUN...TANNERSVILLE...MOUNTAINHOME...REEDERS...POCONO PINES...
  LONG POND...HERNYVILLE...ECHO LAKE...WERRY LAKE...MCMICHAEL...
  MECKESVILLE...ARROWHEAD LAKE...BLAKESLEE...
  CANADENSIS AND ANALOMINK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4115 7515 4114 7509 4107 7502 4090 7578
      4098 7582 4101 7573 4105 7577 4109 7577
      4113 7569 4112 7564 4123 7554 4122 7551
      4123 7551 4125 7513
TIME...MOT...LOC 1748Z 254DEG 24KT 4107 7575 

HAIL...0.75IN
WIND...60MPH
 
$$

PO
1 follow-up statement
899 
WWUS51 KPHI 181818
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
218 PM EDT MON JUL 18 2016

PAC025-181827-
/O.CAN.KPHI.SV.W.0107.000000T0000Z-160718T1845Z/
CARBON PA-
218 PM EDT MON JUL 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CARBON COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA...THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTHEASTERN PENNSYLVANIA.

LAT...LON 4115 7515 4114 7509 4107 7502 4097 7551
      4100 7549 4111 7561 4123 7554 4122 7551
      4123 7551 4125 7513
TIME...MOT...LOC 1817Z 249DEG 32KT 4111 7535 

$$

PAC089-181845-
/O.CON.KPHI.SV.W.0107.000000T0000Z-160718T1845Z/
MONROE PA-
218 PM EDT MON JUL 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR MONROE COUNTY...

AT 217 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MOUNT
POCONO...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MOUNT
POCONO...TOBYHANNA...SKYTOP...SCOTRUN...CANADENSIS...ANALOMINK...SUN
VALLEY...GOULDSBORO STATE
PARK...TANNERSVILLE...MOUNTAINHOME...PARADISE
VALLEY...REEDERS...POCONO PINES...LONG POND...HERNYVILLE...ECHO
LAKE...
WERRY LAKE...POCONO RACEWAY...ALPINE MOUNTAIN AND MCMICHAEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4115 7515 4114 7509 4107 7502 4097 7551
      4100 7549 4111 7561 4123 7554 4122 7551
      4123 7551 4125 7513
TIME...MOT...LOC 1817Z 249DEG 32KT 4111 7535 

HAIL...0.75IN
WIND...60MPH
 
$$

PO

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 12:58 PM EDTSpecial Weather StatementPHICarbon62 min
Jul 18, 1:52 PM EDTSpecial Weather StatementPHIChester38 min
Jul 18, 2:28 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Northampton47 min
Jul 18, 2:51 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Lehigh, Montgomery, Northampton39 min
Jul 18, 3:17 PM EDTSpecial Weather StatementPHIDelaware, Montgomery, Philadelphia43 min
Jul 18, 3:25 PM EDTSevere Thunderstorm WarningPHIBucks50 min
Jul 18, 3:41 PM EDTSevere Thunderstorm WarningPHIDelaware, Montgomery, Philadelphia49 min
Jul 18, 4:04 PM EDTSpecial Weather StatementPHIPhiladelphia56 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.