Alert archive / Pennsylvania / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Nov 12, 2021, 6:40 AM EST for Berks County, Pennsylvania. It was in force for 80 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
- Nov 12, 2021, 6:40 AM EST (11:40 UTC)
- Expired
- Nov 12, 2021, 8:00 AM EST
- In force
- 80 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.00 in
- Wind
- 50
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 152 km from the middle of the area, began a volume at 11:40 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 00:00Z, 11.7 hours before the alert went out and 204 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1411 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
062
WWUS81 KPHI 121140
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
640 AM EST Fri Nov 12 2021
PAZ060-121300-
Berks PA-
640 AM EST Fri Nov 12 2021
...Showers with locally strong wind gusts will impact portions of
Berks County through 800 AM EST...
At 635 AM EST, Doppler radar was tracking showers with the potential
for strong wind gusts in the lower Susquehanna River Valley.
Movement was northeast around 50 mph.
HAZARD...Wind gusts of 40 to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Reading, Wyomissing, Birdsboro, Kutztown, Hamburg, Fleetwood, Sinking
Spring, Laureldale, Womelsdorf, Wernersville, Topton, Robesonia,
Leesport, Shoemakersville, Bally, Bernville, Bechtelsville, Lyons,
Strausstown and Lenhartsville.
This includes the following highways...
Pennsylvania Turnpike between mile markers 296 and 299.
Interstate 78 in Pennsylvania between mile markers 10 and 44.
Interstate 176 in Pennsylvania between mile markers 1 and 11.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Areas of heavy rain are also occurring and they may lead to
localized flooding. Do not drive your vehicle through flood
waters.
&&
LAT...LON 4052 7634 4052 7625 4056 7609 4058 7606
4057 7602 4064 7598 4068 7589 4044 7553
4025 7569 4014 7587 4036 7621 4037 7623
4049 7643
TIME...MOT...LOC 1135Z 206DEG 48KT 4053 7661 3961 7658
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 9:16 AM EST | Special Weather Statement | PHI | Hunterdon | 44 min |
| Nov 12, 9:35 AM EST | Special Weather Statement | PHI | Morris, Sussex | 55 min |
| Nov 12, 2:49 PM EST | Gale Warning | PHI | 31 hr | |
| Nov 12, 5:09 PM EST | Coastal Flood Statement | PHI | Ocean | 4 hr |
| Nov 12, 7:34 AM EST | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 2 hr |
Nearby
Special Weather Statements in Pennsylvania, 2021Every special weather statement in 2021
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.