Alert archive / Pennsylvania / Special Weather Statements in 2015
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jun 11, 2015, 6:39 PM EDT for Berks County, Pennsylvania. It was in force for 66 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
- Jun 11, 2015, 6:39 PM EDT (22:39 UTC)
- Expired
- Jun 11, 2015, 7:45 PM EDT
- In force
- 66 min
- Issued by
- NWS Philadelphia/Mount Holly
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 151 km from the middle of the area, began a volume at 22:41 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.7 hours before the alert went out and 116 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
- 2 J/kg
- Mixed-layer CIN
- -308 J/kg
- Mixed-layer LCL
- 1485 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
993
WWUS81 KPHI 112239
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
639 PM EDT THU JUN 11 2015
PAZ060-103-112345-
WESTERN MONTGOMERY-BERKS-
639 PM EDT THU JUN 11 2015
...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BERKS AND NORTHWESTERN
MONTGOMERY COUNTIES...
AT 637 PM EDT...A STRONG THUNDERSTORM WAS NEAR STRAUSSTOWN...OR NEAR
SCHUYLKILL HAVEN...MOVING EAST AT 25 MPH.
WIND GUSTS UP TO 40 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
KUTZTOWN...HAMBURG...FLEETWOOD...LAURELDALE...TOPTON...LEESPORT...
SHOEMAKERSVILLE...BERNVILLE...BECHTELSVILLE...LYONS...STRAUSSTOWN...
LENHARTSVILLE...FAIRVIEW HGTS...BOYERTOWN AND CENTERPORT.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY CAUSE
PONDING OF WATER ON ROADWAYS AND POOR DRAINAGE AREAS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
LAT...LON 4048 7626 4053 7621 4054 7617 4056 7613
4058 7605 4057 7602 4061 7600 4047 7557
4030 7564
TIME...MOT...LOC 2237Z 286DEG 20KT 4053 7613
$$
MWGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 3:17 PM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Mercer | 29 hr |
| Jun 11, 7:08 PM EDT | Special Weather Statement | PHI | Warren | 52 min |
| Jun 11, 5:45 PM EDT | Special Weather Statement | PHI | Berks | 60 min |
| Jun 11, 5:57 PM EDT | Special Weather Statement | PHI | Carbon | 48 min |
| Jun 11, 6:35 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 40 min |
| Jun 11, 7:34 PM EDT | Special Weather Statement | PHI | Berks | 1 min |
Nearby
Special Weather Statements in Pennsylvania, 2015Every special weather statement in 2015
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.