Alert archive / Pennsylvania / Special Weather Statements in 2022

Special Weather Statement, NWS Philadelphia/Mount Holly

August 4, 2022Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 4, 2022, 8:13 PM EDT for Bucks County, Pennsylvania. It was in force for 32 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 4, 2022, 8:13 PM EDT (00:13 UTC)
Expired
Aug 4, 2022, 8:45 PM EDT
In force
32 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.25 in
Wind
40

County Bucks County, PA

The radar

The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 00:16 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, 0.2 hours before the alert went out and 257 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 2022-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 449 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 2022-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 484 square meters per square second.19395878Sfc1 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
449 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1608 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
484 m²/s²
0-3 km storm-relative helicity
484 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

As transmitted.

034 
WWUS81 KPHI 050013
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
813 PM EDT Thu Aug 4 2022
 
NJZ015-PAZ103>106-050045-
Mercer NJ-Lower Bucks PA-Upper Bucks PA-Eastern Montgomery PA-
Western Montgomery PA-
813 PM EDT Thu Aug 4 2022

...A strong thunderstorm will impact portions of northwestern Mercer,
central Montgomery and central Bucks Counties through 845 PM EDT...

At 813 PM EDT, Doppler radar was tracking a strong thunderstorm over
Fricks, or 22 miles north of Philadelphia, moving northeast at 30
mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Lansdale, Perkasie, Doylestown, Souderton, Bedminster, Chalfont,
Tinicum, Hatfield, New Hope, Dublin, Fricks, Ottsville, Pipersville,
Erwinna, Gardenville, Lumberville, Telford, Sellersville, North Wales
and New Britain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4020 7527 4035 7539 4054 7507 4049 7506
      4045 7507 4041 7506 4040 7497 4034 7494
      4035 7486 4038 7486 4038 7482 4036 7480
TIME...MOT...LOC 0013Z 239DEG 26KT 4032 7525 

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 8:09 PM EDTSpecial Weather StatementPHISomerset36 min
Aug 4, 8:17 PM EDTSpecial Weather StatementPHICumberland, Gloucester, Salem28 min
Aug 4, 8:25 PM EDTSpecial Marine WarningPHI95 min
Aug 4, 9:00 PM EDTSpecial Marine WarningPHI60 min
Aug 4, 9:06 PM EDTSpecial Weather StatementPHIMiddlesex24 min
Aug 4, 9:16 PM EDTSpecial Weather StatementPHIMiddlesex29 min
Aug 4, 9:39 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth51 min
Aug 4, 9:44 PM EDTSpecial Weather StatementPHICape May, Cumberland31 min
Aug 4, 9:52 PM EDTSpecial Marine WarningPHI38 min
Aug 4, 10:25 PM EDTSpecial Weather StatementPHIMonmouth35 min
Aug 4, 11:36 PM EDTSpecial Marine WarningPHI21 min
Aug 5, 12:13 PM EDTSpecial Marine WarningPHI62 min
Aug 5, 1:54 PM EDTSpecial Marine WarningPHI37 min
Aug 5, 3:05 PM EDTSpecial Marine WarningPHI42 min
Aug 5, 3:23 PM EDTSpecial Marine WarningPHI67 min
Aug 5, 5:06 PM EDTSpecial Weather StatementPHIMonmouth24 min
Aug 5, 5:43 PM EDTSpecial Weather StatementPHIOcean32 min
Aug 5, 6:02 PM EDTAreal Flood AdvisoryPHIMonmouth, Ocean47 min
Aug 5, 6:18 PM EDTSpecial Weather StatementPHIMonmouth27 min
Aug 5, 6:26 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean49 min
Aug 5, 6:47 PM EDTFlash Flood WarningPHIMonmouth, Ocean3 hr
Aug 5, 7:06 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean54 min
Aug 5, 7:34 PM EDTFlash Flood WarningPHIBurlington, Ocean3 hr
Aug 4, 8:46 PM EDTSpecial Weather StatementPHIPhiladelphia44 min
Aug 5, 1:28 PM EDTSpecial Weather StatementPHIMonroe32 min
Aug 5, 1:52 PM EDTAreal Flood AdvisoryPHIMonroe3 hr
Aug 5, 1:59 PM EDTSpecial Weather StatementPHIMonroe31 min
Aug 5, 2:09 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe51 min
Aug 5, 4:53 PM EDTSpecial Weather StatementPHINorthampton37 min
Aug 5, 5:38 PM EDTSpecial Weather StatementPHINorthampton37 min
Aug 4, 8:06 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIKent, Sussex39 min
Aug 4, 8:37 PM EDTSevere Thunderstorm WarningPHIKent, Sussex38 min
Aug 4, 9:04 PM EDTSpecial Weather StatementPHISussex26 min
Aug 5, 2:06 PM EDTSpecial Weather StatementPHISussex24 min
Aug 5, 2:14 PM EDTSpecial Weather StatementPHISussex31 min
Aug 5, 2:50 PM EDTSpecial Weather StatementPHISussex25 min
Aug 5, 3:15 PM EDTAreal Flood AdvisoryPHISussex114 min
Aug 5, 3:17 PM EDTSpecial Weather StatementPHISussex28 min
Aug 5, 3:21 PM EDTSpecial Weather StatementPHISussex24 min
Aug 5, 3:43 PM EDTSpecial Weather StatementPHISussex32 min
Aug 5, 3:52 PM EDTSpecial Weather StatementPHIKent23 min
Aug 5, 4:12 PM EDTSpecial Weather StatementPHISussex48 min
Aug 5, 4:23 PM EDTSevere Thunderstorm WarningPHISussex22 min
Aug 5, 4:58 PM EDTAreal Flood AdvisoryPHIKent, Sussex2 hr
Aug 4, 9:42 PM EDTSpecial Weather StatementPHICaroline33 min
Aug 4, 11:26 PM EDTSpecial Weather StatementPHICaroline34 min
Aug 5, 4:47 PM EDTSpecial Weather StatementPHICaroline28 min
Aug 5, 5:06 PM EDTSpecial Weather StatementPHICaroline39 min
Aug 5, 5:37 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot38 min
Aug 5, 6:12 PM EDTSpecial Weather StatementPHITalbot33 min
Aug 5, 6:47 PM EDTSpecial Weather StatementPHIQueen Anne's28 min
Aug 5, 7:15 PM EDTSpecial Weather StatementPHITalbot45 min
Aug 5, 7:24 PM EDTFlash Flood WarningPHICaroline, Queen Anne's, Talbot55 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.