Alert archive / Pennsylvania / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

July 9, 2016Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 9, 2016, 12:59 PM EDT for Berks County, Pennsylvania. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 9, 2016, 12:59 PM EDT (16:59 UTC)
Expired: Jul 9, 2016, 1:30 PM EDT
In force: 31 min
Issued by: NWS Philadelphia/Mount Holly

County Berks County, PA

The radar

The Philadelphia radar (KDIX), 155 km from the middle of the area, began a volume at 17:03 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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 5.0 hours before the alert went out and 194 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 10 J/kg
Mixed-layer CIN: -183 J/kg
Mixed-layer LCL: 1248 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

632 
WWUS81 KPHI 091659
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1259 PM EDT SAT JUL 9 2016
 
PAZ060-091730-
BERKS-
1259 PM EDT SAT JUL 9 2016

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

AT 1258 PM EDT...A STRONG THUNDERSTORM WAS NEAR BERNVILLE...OR 8
MILES EAST OF MYERSTOWN...MOVING SOUTHEAST AT 10 MPH.

WIND GUSTS UP TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM. HEAVY RAIN IS ALSO POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
READING...WYOMISSING...SINKING SPRING...LAURELDALE...WOMELSDORF...
WERNERSVILLE...NEWMANSTOWN...LEESPORT...BERNVILLE...STRAUSSTOWN...
SPRING RIDGE...FAIRVIEW HGTS...SHILLINGTON...WEST READING...
MOHNTON...CENTERPORT...WEST LAWN...WEST WYOMISSING...
WYOMISSING HILLS AND WHITFIELD.

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 4052 7619 4047 7583 4024 7603 4031 7614
      4036 7621 4037 7623 4039 7628
TIME...MOT...LOC 1658Z 298DEG 9KT 4041 7617 
$$

SFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:12 PM EDT	Flash Flood Warning	PHI	Atlantic, Burlington	4 hr
Jul 9, 3:55 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	50 min
Jul 9, 4:08 PM EDT	Special Marine Warning	PHI		67 min
Jul 9, 4:15 PM EDT	Areal Flood Advisory	PHI	Gloucester, Salem	4 hr
Jul 9, 4:47 PM EDT	Special Weather Statement	PHI	Salem	43 min
Jul 9, 6:11 PM EDT	Special Weather Statement	PHI	Salem	34 min
Jul 9, 6:31 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland, Salem	44 min
Jul 9, 6:33 PM EDT	Special Marine Warning	PHI		57 min
Jul 9, 6:43 PM EDT	Areal Flood Advisory	PHI	Cumberland, Salem	4 hr
Jul 9, 7:07 PM EDT	Special Marine Warning	PHI		53 min
Jul 9, 7:07 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland	33 min
Jul 9, 7:33 PM EDT	Special Weather Statement	PHI	Warren	57 min
Jul 9, 12:35 PM EDT	Special Weather Statement	PHI	Berks	25 min
Jul 9, 1:27 PM EDT	Special Weather Statement	PHI	Berks	48 min
Jul 9, 2:40 PM EDT	Special Weather Statement	PHI	Chester	50 min
Jul 9, 3:17 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	43 min
Jul 9, 4:48 PM EDT	Special Weather Statement	PHI	Caroline, Talbot	57 min
Jul 9, 5:00 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	30 min
Jul 9, 2:38 PM EDT	Special Weather Statement	PHI	Sussex	22 min
Jul 9, 3:13 PM EDT	Special Weather Statement	PHI	Sussex	62 min
Jul 9, 4:11 PM EDT	Special Weather Statement	PHI	New Castle	34 min
Jul 9, 5:31 PM EDT	Special Weather Statement	PHI	New Castle	29 min

Nearby

Special Weather Statements in Pennsylvania, 2016 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.