Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 41, NWS Philadelphia/Mount Holly

June 5, 20165 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 5, 2016, 4:29 PM EDT for 5 counties in Pennsylvania. It was in force for 46 min. 3 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
Jun 5, 2016, 4:29 PM EDT (20:29 UTC)
Expired
Jun 5, 2016, 5:15 PM EDT
In force
46 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 122 km from the middle of the area, began a volume at 20:28 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
Jun 5, 4:50 PM EDTTSTM WND DMGPlainfield Twp, PACOUPLE OF TREES DOWN ON WIRES.
Jun 5, 5:00 PM EDTTSTM WND DMGEmmaus, PAFEW TREES DOWN SOUTH PART OF COUNTY.
Jun 5, 5:10 PM EDTTSTM WND DMGZionsville, PA3 POWER POLES SNAPPED...MULTIPLE TREES AND LARGE LIMBS DOWN ACROSS A QUARTER MILE AREA.

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
Jun 5, 3:12 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.5 hours before the alert went out and 217 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 2016-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

151 
WUUS51 KPHI 052029
SVRPHI
PAC011-025-077-089-095-052115-
/O.NEW.KPHI.SV.W.0041.160605T2029Z-160605T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
429 PM EDT SUN JUN 5 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
  LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
  SOUTH CENTRAL MONROE COUNTY IN NORTHEASTERN PENNSYLVANIA...
  NORTHEASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA...
  SOUTHEASTERN CARBON COUNTY IN NORTHEASTERN PENNSYLVANIA...

* UNTIL 515 PM EDT

* AT 429 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR EMERALD TO NEAR HAMBURG...MOVING EAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  ALLENTOWN...EASTON...LEHIGHTON...BETHLEHEM...FORKS...EMMAUS...
  NORTHAMPTON...WILSON...HELLERTOWN...NAZARETH...PALMERTON...BANGOR...
  KUTZTOWN...HAMBURG...SLATINGTON...FLEETWOOD...PEN ARGYL...WIND GAP...BATH
  AND BELVIDERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN ADDITION TO 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.

&&

LAT...LON 4069 7586 4074 7576 4076 7579 4085 7569
      4092 7524 4091 7508 4086 7505 4085 7510
      4083 7508 4077 7514 4078 7517 4075 7519
      4073 7518 4043 7547 4045 7553 4043 7554
      4041 7619
TIME...MOT...LOC 2029Z 254DEG 33KT 4076 7567 4053 7603 

HAIL...<.75IN
WIND...60MPH
 
$$

LF
1 follow-up statement
315 
WWUS51 KPHI 052052
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
452 PM EDT SUN JUN 5 2016

PAC011-025-077-089-095-052115-
/O.CON.KPHI.SV.W.0041.000000T0000Z-160605T2115Z/
NORTHAMPTON PA-LEHIGH PA-MONROE PA-BERKS PA-CARBON PA-
452 PM EDT SUN JUN 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHAMPTON...LEHIGH...SOUTH CENTRAL MONROE...NORTHEASTERN BERKS
AND SOUTHEASTERN CARBON COUNTIES...

AT 451 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR KUNKLETOWN TO NEAR KUTZTOWN...MOVING EAST AT 40
MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
ALLENTOWN...EASTON...LEHIGHTON...BETHLEHEM...FORKS...EMMAUS...NORTHAMPTON...
WILSON...HELLERTOWN...NAZARETH...PALMERTON...BANGOR...KUTZTOWN...HAMBURG...
SLATINGTON...FLEETWOOD...PEN ARGYL...WIND GAP...BATH AND BELVIDERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN ADDITION TO 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.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4069 7586 4074 7576 4076 7579 4085 7569
      4092 7524 4091 7508 4086 7505 4085 7510
      4083 7508 4077 7514 4078 7517 4075 7519
      4073 7518 4043 7547 4045 7553 4043 7554
      4041 7619
TIME...MOT...LOC 2051Z 254DEG 33KT 4081 7542 4058 7578 

HAIL...<.75IN
WIND...60MPH
 
$$

LF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 3:34 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Monroe, Northampton86 min
Jun 5, 4:37 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware, Montgomery38 min
Jun 5, 5:06 PM EDTSevere Thunderstorm WarningPHINorthampton54 min
Jun 5, 5:23 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia52 min
Jun 5, 5:53 PM EDTSevere Thunderstorm WarningPHIBucks52 min
Jun 5, 5:58 PM EDTSevere Thunderstorm WarningPHIDelaware, Montgomery, Philadelphia47 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.