Alert archive / Pennsylvania / Special Weather Statements in 2022

Special Weather Statement, NWS Philadelphia/Mount Holly

August 5, 2022Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 5, 2022, 9:06 PM EDT for Berks County, Pennsylvania. It was in force for 39 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
Aug 5, 2022, 9:06 PM EDT (01:06 UTC)
Expired
Aug 5, 2022, 9:45 PM EDT
In force
39 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.00 in
Wind
40

County Berks County, PA

The radar

The Philadelphia radar (KDIX), 155 km from the middle of the area, began a volume at 01:08 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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 1.1 hours before the alert went out and 190 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 00:00Z on 2022-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 313 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 00:00Z on 2022-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
313 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1093 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

567 
WWUS81 KPHI 060106
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
906 PM EDT Fri Aug 5 2022
 
PAZ060-060145-
Berks PA-
906 PM EDT Fri Aug 5 2022

...A strong thunderstorm will impact portions of southwestern Berks
County through 945 PM EDT...

At 905 PM EDT, Doppler radar was tracking a strong thunderstorm near
Kleinfeltersville, or 7 miles north of Ephrata, moving northeast at
15 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Wyomissing, Sinking Spring, Womelsdorf, Wernersville, Robesonia,
Wyomissing Hills, West Lawn, Whitfield and West Wyomissing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4044 7622 4033 7597 4026 7607 4036 7621
      4037 7624
TIME...MOT...LOC 0105Z 216DEG 14KT 4028 7619 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 9:24 PM EDTSpecial Weather StatementPHIMercer36 min
Aug 5, 9:59 PM EDTAreal Flood AdvisoryPHIMercer3 hr
Aug 5, 10:33 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer2 hr
Aug 5, 11:12 PM EDTSpecial Weather StatementPHIMercer33 min
Aug 6, 1:25 PM EDTSpecial Marine WarningPHI45 min
Aug 6, 1:32 PM EDTSpecial Marine WarningPHI13 min
Aug 6, 1:33 PM EDTSpecial Weather StatementPHICape May27 min
Aug 6, 1:53 PM EDTSpecial Weather StatementPHICape May37 min
Aug 5, 8:01 PM EDTSpecial Weather StatementPHITalbot29 min
Aug 5, 8:02 PM EDTSpecial Weather StatementPHIQueen Anne's43 min

Nearby

Special Weather Statements in Pennsylvania, 2022Every special weather statement in 2022

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.