Alert archive / Pennsylvania / Special Weather Statements in 2022

Special Weather Statement, NWS Philadelphia/Mount Holly

May 27, 2022Lehigh County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at May 27, 2022, 3:08 PM EDT for Lehigh County, Pennsylvania. It was in force for 37 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, 2022, 3:08 PM EDT (19:08 UTC)
Expired
May 27, 2022, 3:45 PM EDT
In force
37 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.25 in
Wind
40

County Lehigh County, PA

The radar

The Philadelphia radar (KDIX), 130 km from the middle of the area, began a volume at 19:10 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

Brookhaven, NY (KOKX), launched 12:00Z, 7.1 hours before the alert went out and 225 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, Brookhaven, NY at 12:00Z on 2022-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Brookhaven, NY at 12:00Z on 2022-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
482 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

362 
WWUS81 KPHI 271908
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
308 PM EDT Fri May 27 2022
 
PAZ054-060>062-271945-
Lehigh PA-Northampton PA-Berks PA-Carbon PA-
308 PM EDT Fri May 27 2022

...A strong thunderstorm will impact portions of northeastern Berks,
Lehigh, southeastern Carbon and southwestern Northampton Counties
through 345 PM EDT...

At 308 PM EDT, Doppler radar was tracking a strong thunderstorm over
Claussville, or 9 miles west of Allentown, moving northeast at 35
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...
Allentown, Easton, Bethlehem, Emmaus, Northampton, Hellertown,
Palmerton, Slatington, Bath, Walnutport, Topton, Steuben, Neffs,
Coffeetown, Berlinsville, Ancient Oaks, Emerald, Lehigh University,
Claussville and Danielsville.

This includes the following highways...
 Northeast Extension between mile markers 51 and 72.
 Interstate 78 in Pennsylvania between mile markers 42 and 72.

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.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
eastern and northeastern Pennsylvania.

&&

LAT...LON 4091 7557 4083 7548 4082 7548 4082 7546
      4063 7525 4043 7568 4060 7581
TIME...MOT...LOC 1908Z 226DEG 32KT 4059 7566 

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
May 26, 8:48 PM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean25 hr
May 26, 8:50 PM EDTMarine Dense Fog AdvisoryPHI16 hr
May 27, 12:43 AM EDTDense Fog AdvisoryPHIAtlantic, Cape May12 hr
May 27, 3:23 AM EDTFlood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more21 hr
May 27, 2:31 PM EDTSpecial Marine WarningPHI44 min
May 27, 2:43 PM EDTSpecial Weather StatementPHICamden, Cumberland, Gloucester, Salem47 min
May 27, 3:00 PM EDTSpecial Marine WarningPHI45 min
May 27, 3:05 PM EDTSpecial Weather StatementPHIAtlantic, Cape May40 min
May 27, 3:13 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Salem47 min
May 27, 3:28 PM EDTTornado WarningPHIBurlington, Camden32 min
May 27, 3:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean46 min
May 27, 3:31 PM EDTSpecial Marine WarningPHI59 min
May 27, 3:50 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean40 min
May 27, 3:51 PM EDTSpecial Weather StatementPHIMercer24 min
May 27, 3:57 PM EDTSpecial Weather StatementPHIMercer33 min
May 27, 3:57 PM EDTTornado WarningPHIBurlington, Ocean9 min
May 27, 4:18 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Ocean and 1 more27 min
May 27, 4:40 PM EDTSpecial Weather StatementPHIMiddlesex, Monmouth, Somerset35 min
May 27, 4:48 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth12 min
May 27, 2:23 PM EDTSevere Thunderstorm WarningPHIBerks, Chester21 min
May 27, 2:46 PM EDTSpecial Weather StatementPHILehigh29 min
May 27, 2:52 PM EDTSpecial Weather StatementPHIDelaware23 min
May 27, 1:43 PM EDTSevere Thunderstorm WarningPHIKent, Sussex47 min
May 27, 2:00 PM EDTSpecial Weather StatementPHISussex30 min
May 27, 2:19 PM EDTTornado WarningPHIKent13 min
May 27, 2:25 PM EDTSevere Thunderstorm WarningPHISussex35 min
May 27, 2:45 PM EDTSevere Thunderstorm WarningPHISussex30 min
May 27, 1:10 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot50 min
May 27, 1:51 PM EDTSpecial Weather StatementPHICecil39 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.