Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

May 26, 2021Carbon County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at May 26, 2021, 9:32 PM EDT for Carbon County, Pennsylvania. It was in force for 43 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 26, 2021, 9:32 PM EDT (01:32 UTC)
Expired
May 26, 2021, 10:15 PM EDT
In force
43 min
Issued by
NWS Philadelphia/Mount Holly

County Carbon County, PA

The radar

The Philadelphia radar (KDIX), 148 km from the middle of the area, began a volume at 01:32 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 00:00Z, 1.5 hours before the alert went out and 245 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 00:00Z on 2021-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 357 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, Brookhaven, NY at 00:00Z on 2021-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
357 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

694 
WWUS81 KPHI 270132
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
932 PM EDT Wed May 26 2021

PAZ054-060>062-270215-
Lehigh-Northampton-Berks-Carbon-
932 PM EDT Wed May 26 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL BERKS...NORTHERN
LEHIGH...CARBON AND WEST CENTRAL NORTHAMPTON COUNTIES...

At 932 PM EDT, a strong thunderstorm was located over Tuscarora, or
near Tamaqua, moving east at 40 mph.

Wind gusts up to 50 mph are possible with this storm.

Locations impacted include...
Lehighton, Bethlehem, Northampton, Palmerton, Jim Thorpe, Hamburg,
Slatington, Nesquehoning, Weatherly, Walnutport, New Mahoning, Neffs,
Coffeetown, New Tripoli, Berlinsville, Emerald, Danielsville,
Wanamakers, Beltzville State Park and Penn Forest Reservoir.

This includes Northeast Extension between mile markers 60 and 88.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 4063 7600 4065 7598 4070 7583 4074 7576
      4081 7587 4088 7596 4102 7558 4096 7555
      4095 7557 4088 7552 4065 7541 4057 7602
TIME...MOT...LOC 0132Z 254DEG 34KT 4076 7600 

$$

Meola

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:36 PM EDTSpecial Weather StatementPHICape May39 min
May 26, 8:40 PM EDTSpecial Marine WarningPHI65 min
May 26, 10:14 PM EDTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Gloucester46 min
May 26, 10:35 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Ocean40 min
May 26, 10:40 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester50 min
May 26, 11:20 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean40 min
May 26, 11:21 PM EDTSpecial Marine WarningPHI54 min
May 27, 12:07 AM EDTSpecial Marine WarningPHI23 min
May 27, 3:30 PM EDTGale WatchPHI12 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.