Alert archive / Pennsylvania / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

August 16, 2016Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 16, 2016, 4:08 PM EDT for Berks County, Pennsylvania. It was in force for 67 min. 4 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 16, 2016, 4:08 PM EDT (20:08 UTC)
Expired
Aug 16, 2016, 5:15 PM EDT
In force
67 min
Issued by
NWS Philadelphia/Mount Holly

County Berks County, PA

The radar

The Philadelphia radar (KDIX), 152 km from the middle of the area, began a volume at 20:08 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
Aug 16, 4:52 PM EDTTSTM WND GST 48Reading Regional Airpor, PA
Aug 16, 5:05 PM EDTTSTM WND DMGWest Reading, PAFEW TREES DOWN
Aug 16, 5:06 PM EDTTSTM WND DMGPerry Twp, PAFEW TREES DOWN
Aug 16, 5:22 PM EDTTSTM WND DMGRichmond Twp, PAFEW TREES DOWN

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

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.1 hours before the alert went out and 203 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, Washington/Dulle, VA at 12:00Z on 2016-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 364 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, Washington/Dulle, VA at 12:00Z on 2016-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939Sfc1 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
364 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
773 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

536 
WWUS81 KPHI 162008
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
408 PM EDT TUE AUG 16 2016
 
PAZ060-162115-
BERKS-
408 PM EDT TUE AUG 16 2016

...A STRONG THUNDERSTORM WILL AFFECT BERKS COUNTY...

AT 408 PM EDT...A STRONG THUNDERSTORM WAS OVER MOUNT JOY...MOVING
EAST AT 45 MPH.

WIND GUSTS UP TO 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
READING...WYOMISSING...BIRDSBORO...KUTZTOWN...HAMBURG...FLEETWOOD...
SINKING SPRING...LAURELDALE...WOMELSDORF...WERNERSVILLE...
NEWMANSTOWN...TOPTON...LEESPORT...SHOEMAKERSVILLE...BALLY...
BERNVILLE...BECHTELSVILLE...LYONS...STRAUSSTOWN AND LENHARTSVILLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4049 7643 4052 7634 4052 7625 4058 7605
      4057 7602 4064 7598 4067 7589 4044 7554
      4027 7568 4014 7587 4036 7621 4036 7622
TIME...MOT...LOC 2008Z 248DEG 37KT 4013 7651 
$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 7:10 PM EDTSpecial Weather StatementPHIMorris35 min
Aug 16, 4:23 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery52 min
Aug 16, 5:08 PM EDTSpecial Weather StatementPHIChester52 min
Aug 16, 5:10 PM EDTSpecial Weather StatementPHICarbon35 min
Aug 16, 5:19 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh, Northampton41 min
Aug 16, 5:36 PM EDTSpecial Weather StatementPHIChester, Delaware54 min
Aug 16, 5:44 PM EDTSpecial Weather StatementPHICarbon, Monroe61 min
Aug 16, 6:31 PM EDTSpecial Weather StatementPHIDelaware29 min
Aug 15, 8:36 PM EDTSpecial Weather StatementPHITalbot39 min
Aug 15, 9:22 PM EDTSpecial Weather StatementPHICaroline53 min
Aug 15, 10:44 PM EDTSpecial Weather StatementPHIQueen Anne's61 min
Aug 16, 5:37 PM EDTSevere Thunderstorm WarningPHICecil38 min

Nearby

Special Weather Statements in Pennsylvania, 2016Every special weather statement 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.