Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 38, NWS Philadelphia/Mount Holly

May 6, 2025Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 6, 2025, 3:41 PM EDT for Monroe County, Northampton County, Pennsylvania. It was in force for 49 min. 5 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: May 6, 2025, 3:41 PM EDT (19:41 UTC)
Expired: May 6, 2025, 4:30 PM EDT
In force: 49 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 134 km from the middle of the area, began a volume at 19:40 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
May 6, 3:47 PM EDT	TORNADO	Washington Twp, PA	An EF1 tornado with estimated maximum wind speeds of 80 to 90 mph occurred near Bangor. The first damage was noted at a Public Works Barn. Damage in this area was consistent with maximum wind speeds of 70 to 80 mph. A small tree was felled and several tiles we
May 6, 3:49 PM EDT	TSTM WND DMG	Washington Twp, PA	EM relays report of trees down in the area with damage near Flicksville Rd. Time estimated from radar.
May 6, 3:51 PM EDT	TSTM WND DMG	1 Nne Washington Twp, PA	Reports of minor trees and lines down along Route 191 near Bangor. Time estimated.
May 6, 4:30 PM EDT	HAIL 0.5	2 N Arlington Heights, PA	Report from mPING: Half-inch (0.50 in.).
May 6, 4:33 PM EDT	HAIL 0.7	Bangor, PA	Public report ranging from pea to dime size hail in Bangor.

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
May 6, 1:06 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.7 hours before the alert went out and 198 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 784 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

354 
WUUS51 KPHI 061941
SVRPHI
PAC089-095-062030-
/O.NEW.KPHI.SV.W.0038.250506T1941Z-250506T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
341 PM EDT Tue May 6 2025

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central Monroe County in northeastern Pennsylvania...
  Northeastern Northampton County in eastern Pennsylvania...

* Until 430 PM EDT.

* At 341 PM EDT, a severe thunderstorm was located over Pen Argyl, or
  11 miles north of Easton, moving north at 25 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...
  Stormville, Reeders, Henryville, Wind Gap, Arlington Heights,
  Stroudsburg, Saylorsburg, Analomink, Pen Argyl, Delaware Water Gap,
  Tannersville, Alpine Mountain, Scotrun, East Bangor, Bangor,
  Belfast, Marshalls Creek, Roseto, Paradise Valley, and
  Bartonsville.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 298 and 314.
 Interstate 80 in New Jersey near mile marker 0.
 Interstate 380 in Pennsylvania between mile markers 2 and 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 4114 7508 4076 7519 4076 7531 4115 7541
TIME...MOT...LOC 1941Z 181DEG 22KT 4085 7523 

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

$$

Staarmann

1 follow-up statement

659 
WWUS51 KPHI 061959
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
359 PM EDT Tue May 6 2025

PAC089-095-062030-
/O.CON.KPHI.SV.W.0038.000000T0000Z-250506T2030Z/
Monroe PA-Northampton PA-
359 PM EDT Tue May 6 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR CENTRAL MONROE AND NORTHEASTERN NORTHAMPTON COUNTIES...

At 359 PM EDT, a severe thunderstorm was located over Stormville, or 
13 miles southeast of Mount Pocono, moving north at 25 mph. This 
severe thunderstorm is also capable of producing a tornado.

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...
Stormville, Reeders, Henryville, Wind Gap, Arlington Heights,
Stroudsburg, Saylorsburg, Analomink, Pen Argyl, Delaware Water Gap,
Tannersville, Alpine Mountain, Scotrun, East Bangor, Bangor,
Marshalls Creek, Roseto, Paradise Valley, Bartonsville, and East
Stroudsburg.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 298 and 314.
 Interstate 80 in New Jersey near mile marker 0.
 Interstate 380 in Pennsylvania between mile markers 2 and 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

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

&&

LAT...LON 4114 7508 4088 7516 4083 7533 4115 7541
TIME...MOT...LOC 1959Z 180DEG 22KT 4096 7523 

TORNADO...POSSIBLE
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
May 6, 1:08 PM EDT	Severe Thunderstorm Warning	PHI	Berks	37 min
May 6, 1:31 PM EDT	Severe Thunderstorm Warning	PHI	Chester	44 min
May 6, 2:12 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Lehigh	48 min
May 6, 2:46 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh	59 min
May 6, 3:57 PM EDT	Tornado Warning	PHI	Monroe, Northampton	33 min
May 6, 4:18 PM EDT	Severe Thunderstorm Warning	PHI	Monroe, Northampton	57 min
May 6, 4:19 PM EDT	Tornado Warning	PHI	Monroe	26 min
May 6, 4:31 PM EDT	Tornado Warning	PHI	Monroe	44 min
May 6, 4:44 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Lehigh, Monroe, Northampton	46 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2025 Every severe thunderstorm warning in 2025

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.