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 May 27, 2015, 3:13 PM EDT for Berks County, Pennsylvania. It was in force for 62 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
- May 27, 2015, 3:13 PM EDT (19:13 UTC)
- Expired
- May 27, 2015, 4:15 PM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 144 km from the middle of the area, began a volume at 19:13 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, 7.2 hours before the alert went out and 107 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
- 428 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 589 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
897
WWUS81 KPHI 271913
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
313 PM EDT WED MAY 27 2015
PAZ060-272015-
BERKS-
313 PM EDT WED MAY 27 2015
...A STRONG THUNDERSTORM WILL AFFECT BERKS COUNTY...
AT 312 PM EDT...A STRONG THUNDERSTORM WAS OVER BRICKERVILLE AND
LITITZ...MOVING NORTHEAST AT 35 MPH.
WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
READING...WYOMISSING...KUTZTOWN...HAMBURG...FLEETWOOD...SINKING
SPRING...LAURELDALE...WOMELSDORF...WERNERSVILLE...NEWMANSTOWN...
TOPTON...LEESPORT...SHOEMAKERSVILLE...BERNVILLE...LYONS...
LENHARTSVILLE...FAIRVIEW HGTS...SPRING RIDGE...SHILLINGTON AND WEST
READING.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND IT MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
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 4066 7587 4044 7554 4021 7599 4031 7614
4036 7621 4037 7624
TIME...MOT...LOC 1912Z 232DEG 35KT 4021 7627
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 4:11 AM EDT | Small Craft Advisory | PHI | 25 hr | |
| May 27, 5:25 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 44 min |
| May 27, 5:48 PM EDT | Special Weather Statement | PHI | Mercer, Middlesex | 57 min |
| May 27, 2:23 PM EDT | Special Weather Statement | PHI | Lebanon | 22 min |
| May 27, 2:48 PM EDT | Special Weather Statement | PHI | Carbon | 27 min |
| May 27, 2:53 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 52 min |
| May 27, 3:06 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 54 min |
| May 27, 3:53 PM EDT | Special Weather Statement | PHI | Monroe | 37 min |
| May 27, 4:26 PM EDT | Special Weather Statement | PHI | Chester | 64 min |
| May 27, 4:36 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 39 min |
| May 27, 5:07 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery | 53 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.