Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

August 26, 2021Carbon County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 26, 2021, 5:59 PM EDT for Carbon County, Pennsylvania. It was in force for 31 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 26, 2021, 5:59 PM EDT (21:59 UTC)
Expired: Aug 26, 2021, 6:30 PM EDT
In force: 31 min
Issued by: NWS Philadelphia/Mount Holly
Hail: 0.00 in
Wind: 40

County Carbon County, PA

The radar

The Binghamton radar (KBGM), 135 km from the middle of the area, began a volume at 22:00 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.

What was reported inside it

Time	Report	Where	Remark
Aug 26, 6:25 PM EDT	TSTM WND DMG	2 Sw Penn Forest Reserv, PA	DOWNED TREES AND WIRES NEAR LAKE DRIVE. TIME ESTIMATED FROM RADAR.
Aug 26, 6:35 PM EDT	TSTM WND DMG	2 Nw Beltzville State P, PA	A COUPLE OF TREES DOWN IN FRANKLIN TOWNSHIP. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.0 hours before the alert went out and 235 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 844 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

585 
WWUS81 KPHI 262159
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
559 PM EDT Thu Aug 26 2021
 
PAZ054-262230-
Carbon PA-
559 PM EDT Thu Aug 26 2021

...A strong thunderstorm will impact portions of central Carbon
County through 630 PM EDT...

At 558 PM EDT, Doppler radar was tracking a strong thunderstorm near
Christmans, or 7 miles north of Lehighton, moving east at 10 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...
Jim Thorpe, Weatherly, Albrightsville, Beltzville State Park, Lake
Harmony, Christmans, Meckesville and Weissport East.

This includes the following highways...
 Northeast Extension between mile markers 77 and 93.
 Interstate 80 in Pennsylvania between mile markers 282 and 286.

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.

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 4110 7561 4109 7561 4103 7554 4095 7556
      4095 7557 4081 7561 4093 7585 4099 7578
      4101 7573 4103 7574 4111 7564
TIME...MOT...LOC 2158Z 291DEG 8KT 4094 7570 

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

$$

Gorse

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 3:30 PM EDT	Flash Flood Watch	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 8 more	48 hr
Aug 26, 4:28 PM EDT	Areal Flood Advisory	PHI	Ocean	3 hr
Aug 26, 6:14 PM EDT	Special Weather Statement	PHI	Burlington	31 min
Aug 26, 1:20 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	40 min
Aug 26, 5:02 PM EDT	Special Weather Statement	PHI	Monroe	28 min
Aug 26, 5:29 PM EDT	Special Weather Statement	PHI	Monroe	31 min
Aug 26, 5:35 PM EDT	Special Weather Statement	PHI	Carbon	25 min
Aug 26, 6:09 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	51 min
Aug 26, 6:24 PM EDT	Areal Flood Advisory	PHI	Carbon	3 hr
Aug 26, 6:56 PM EDT	Special Weather Statement	PHI	Philadelphia	34 min
Aug 26, 7:29 PM EDT	Areal Flood Advisory	PHI	Carbon	2 hr
Aug 26, 2:36 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	43 min

Nearby

Special Weather Statements in Pennsylvania, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.