Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 174, NWS Philadelphia/Mount Holly

August 3, 2024Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2024, 2:40 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 65 min. 1 report 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 3, 2024, 2:40 PM EDT (18:40 UTC)
Expired: Aug 3, 2024, 3:45 PM EDT
In force: 65 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 128 km from the middle of the area, began a volume at 18:42 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 3, 3:35 PM EDT	TSTM WND DMG	2 Ene Scotrun, PA	Trees down on wires along Lakeview Drive. Time estimated from radar.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 3, 1:20 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.7 hours before the alert went out and 230 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: 82 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 536 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

467 
WUUS51 KPHI 031840
SVRPHI
PAC025-089-031945-
/O.NEW.KPHI.SV.W.0174.240803T1840Z-240803T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
240 PM EDT Sat Aug 3 2024

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central Carbon County in northeastern Pennsylvania...
  Northwestern Monroe County in northeastern Pennsylvania...

* Until 345 PM EDT.

* At 240 PM EDT, a severe thunderstorm was located near Christmans,
  or 12 miles north of Lehighton, moving northeast at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Mount Pocono, East Stroudsburg, Tobyhanna, Jim Thorpe, Weatherly,
  Henryville, Pocono Pines, Pocono Raceway, Lake Harmony,
  Tannersville, Long Pond, Albrightsville, Sun Valley, Arrowhead
  Lake, Jonas, Meckesville, Reeders, Analomink, McMichael, and
  Scotrun.

This includes the following highways...
 Northeast Extension between mile markers 82 and 97.
 Interstate 80 in Pennsylvania between mile markers 277 and 306.
 Interstate 380 in Pennsylvania between mile markers 0 and 13.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4102 7517 4086 7582 4095 7591 4101 7573
      4105 7577 4108 7577 4111 7571 4113 7569
      4112 7564 4122 7554 4122 7551 4123 7551
      4124 7536
TIME...MOT...LOC 1840Z 236DEG 19KT 4102 7569 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

3 follow-up statements

422 
WWUS51 KPHI 031843
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
243 PM EDT Sat Aug 3 2024

PAC025-089-031945-
/O.CON.KPHI.SV.W.0174.000000T0000Z-240803T1945Z/
Carbon PA-Monroe PA-
243 PM EDT Sat Aug 3 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR CENTRAL CARBON AND NORTHWESTERN MONROE COUNTIES...

At 243 PM EDT, a severe thunderstorm was located over Albrightsville,
or 12 miles north of Lehighton, moving northeast at 20 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Mount Pocono, East Stroudsburg, Tobyhanna, Jim Thorpe, Weatherly,
Henryville, Pocono Pines, Pocono Raceway, Lake Harmony, Tannersville,
Long Pond, Albrightsville, Sun Valley, Arrowhead Lake, Jonas,
Meckesville, Reeders, Analomink, McMichael, and Scotrun.

This includes the following highways...
 Northeast Extension between mile markers 82 and 97.
 Interstate 80 in Pennsylvania between mile markers 277 and 306.
 Interstate 380 in Pennsylvania between mile markers 0 and 13.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should seek shelter inside a well-built structure and away from
windows.

Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4102 7517 4086 7582 4095 7591 4101 7573
      4105 7577 4108 7577 4111 7571 4113 7569
      4112 7564 4122 7554 4122 7551 4123 7551
      4124 7536
TIME...MOT...LOC 1843Z 237DEG 19KT 4101 7566 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

599 
WWUS51 KPHI 031856
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
256 PM EDT Sat Aug 3 2024

PAC025-089-031945-
/O.CON.KPHI.SV.W.0174.000000T0000Z-240803T1945Z/
Carbon PA-Monroe PA-
256 PM EDT Sat Aug 3 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHEASTERN CARBON AND NORTHWESTERN MONROE COUNTIES...

At 256 PM EDT, a severe thunderstorm was located over Lake Harmony,
or 13 miles west of Mount Pocono, moving northeast at 20 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Mount Pocono, East Stroudsburg, Tobyhanna, Henryville, Pocono Pines,
Pocono Raceway, Lake Harmony, Tannersville, Long Pond,
Albrightsville, Sun Valley, Arrowhead Lake, Jonas, Meckesville,
Reeders, Analomink, McMichael, Scotrun, Blakeslee, and Paradise
Valley.

This includes the following highways...
 Northeast Extension between mile markers 84 and 97.
 Interstate 80 in Pennsylvania between mile markers 277 and 306.
 Interstate 380 in Pennsylvania between mile markers 0 and 13.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should seek shelter inside a well-built structure and away from
windows.

Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4102 7517 4091 7573 4098 7581 4101 7573
      4105 7577 4108 7577 4111 7571 4113 7569
      4112 7564 4122 7554 4122 7551 4123 7551
      4124 7536
TIME...MOT...LOC 1856Z 234DEG 19KT 4105 7559 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

978 
WWUS51 KPHI 031916
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
316 PM EDT Sat Aug 3 2024

PAC025-089-031945-
/O.CON.KPHI.SV.W.0174.000000T0000Z-240803T1945Z/
Carbon PA-Monroe PA-
316 PM EDT Sat Aug 3 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHEASTERN CARBON AND NORTHWESTERN MONROE COUNTIES...

At 316 PM EDT, a severe thunderstorm was located over Pocono Raceway,
or 7 miles southwest of Mount Pocono, moving northeast at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Mount Pocono, East Stroudsburg, Tobyhanna, Reeders, Henryville,
Pocono Pines, Analomink, Pocono Raceway, Lake Harmony, McMichael,
Tannersville, Scotrun, Blakeslee, Long Pond, Paradise Valley,
Albrightsville, Christmans, Sun Valley, Jonas, and Meckesville.

This includes the following highways...
 Northeast Extension between mile markers 84 and 91.
 Interstate 80 in Pennsylvania between mile markers 286 and 306.
 Interstate 380 in Pennsylvania between mile markers 0 and 8.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should seek shelter inside a well-built structure and away from
windows.

Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4102 7517 4091 7573 4100 7570 4109 7560
      4124 7536
TIME...MOT...LOC 1916Z 238DEG 18KT 4107 7549 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 9:12 PM EDT	Severe Thunderstorm Warning	PHI	Delaware, Philadelphia	48 min
Aug 2, 9:40 PM EDT	Flash Flood Warning	PHI	Delaware, Philadelphia	4 hr
Aug 3, 3:17 AM EDT	Heat Advisory	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	17 hr
Aug 3, 12:20 PM EDT	Flood Watch	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	9 hr
Aug 3, 2:53 PM EDT	Flash Flood Warning	PHI	Carbon	117 min
Aug 3, 3:41 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	45 min
Aug 3, 4:13 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Lehigh	47 min
Aug 3, 5:38 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Chester, Delaware	97 min
Aug 3, 6:16 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Delaware, Montgomery, Philadelphia	59 min
Aug 3, 6:49 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	56 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2024 Every severe thunderstorm warning in 2024

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.