Alert archive / Pennsylvania / Special Weather Statements in 2019

Special Weather Statement, NWS Philadelphia/Mount Holly

August 2, 2019Carbon County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 2, 2019, 5:49 PM EDT for Carbon County, Pennsylvania. It was in force for 26 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 2, 2019, 5:49 PM EDT (21:49 UTC)
Expired
Aug 2, 2019, 6:15 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly

County Carbon County, PA

The radar

The Binghamton radar (KBGM), 132 km from the middle of the area, began a volume at 21:51 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, 9.8 hours before the alert went out and 240 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 2019-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 12:00Z on 2019-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
7 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1488 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

463 
WWUS81 KPHI 022149
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
549 PM EDT Fri Aug 2 2019

PAZ054-022215-
Carbon-
549 PM EDT Fri Aug 2 2019

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CARBON COUNTY...

At 548 PM EDT, a strong thunderstorm was located over Weatherly, or 7
miles northwest of Lehighton, moving north at 10 mph.

Wind gusts up to 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Lehighton, Jim Thorpe, Nesquehoning, Weatherly, Albrightsville, Lake
Harmony and Christmans.

Torrential rainfall is also occurring, and may cause localized 
flooding. Do not drive your vehicle through flooded roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4109 7560 4109 7561 4104 7556 4083 7572
      4085 7587 4095 7589 4101 7573 4103 7574
      4105 7577 4109 7577 4113 7569 4113 7567
TIME...MOT...LOC 2148Z 188DEG 8KT 4092 7579 

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 5:57 PM EDTSpecial Weather StatementPHIBerks33 min
Aug 2, 7:01 PM EDTSpecial Weather StatementPHICarbon29 min
Aug 2, 7:03 PM EDTSpecial Weather StatementPHIBerks27 min
Aug 2, 7:39 PM EDTSpecial Weather StatementPHIBerks36 min
Aug 2, 7:46 PM EDTAreal Flood AdvisoryPHIBerks108 min
Aug 2, 5:11 PM EDTSpecial Weather StatementPHIKent34 min

Nearby

Special Weather Statements in Pennsylvania, 2019Every special weather statement in 2019

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.