Alert archive / New Jersey / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 160, NWS Philadelphia/Mount Holly

August 22, 2022Hunterdon County, Warren County, New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 22, 2022, 5:44 PM EDT for Hunterdon County, Warren County, New Jersey; Northampton County, Pennsylvania. It was in force for 46 min. 8 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 22, 2022, 5:44 PM EDT (21:44 UTC)
Expired: Aug 22, 2022, 6:30 PM EDT
In force: 46 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hunterdon County, NJ, Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 21:48 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 22, 5:48 PM EDT	TSTM WND DMG	2 Ssw Palmer Heights, PA	SEVERAL LARGE LIMBS BLOWN DOWN. DAMAGED A ROOF OF A RESIDENCE. TIME ESTIMATED FROM RADAR.
Aug 22, 5:50 PM EDT	HAIL 0.7	Forks Twp, PA	PEA TO DIME SIZE HAIL.
Aug 22, 5:55 PM EDT	HAIL 1	1 Ese West Easton, PA	REPORT FROM MPING: QUARTER (1.00 IN.) TIME ESTIMATED FROM RADAR.
Aug 22, 5:55 PM EDT	HAIL 1	1 S Easton, PA	DIME TO QUARTER SIZE HAIL ON THE SOUTH SIDE OF EASTON. TIME ESTIMATED FROM RADAR.
Aug 22, 6:00 PM EDT	HAIL 0.25	Tatamy, PA
Aug 22, 6:00 PM EDT	HAIL 0.5	1 Ssw Harmony, NJ	TIME ESTIMATED FROM RADAR.
Aug 22, 6:07 PM EDT	HAIL 0.5	1 Sw Harmony, NJ	REPORT FROM MPING: HALF-INCH (0.50 IN.).
Aug 22, 6:12 PM EDT	HAIL 0.5	Stewartsville, NJ	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, 9.7 hours before the alert went out and 195 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: 294 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 539 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

164 
WUUS51 KPHI 222144
SVRPHI
NJC019-041-PAC095-222230-
/O.NEW.KPHI.SV.W.0160.220822T2144Z-220822T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
544 PM EDT Mon Aug 22 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Hunterdon County in northwestern New Jersey...
  Southwestern Warren County in northwestern New Jersey...
  Central Northampton County in eastern Pennsylvania...

* Until 630 PM EDT.

* At 544 PM EDT, a severe thunderstorm was located over Old Orchard,
  or near Easton, moving east 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...
  Easton, Bethlehem, Forks, Wilson, Hellertown, Nazareth, Bath,
  Belvidere, Harmony, Oxford, Alpha, Belfast, West Easton, Tatamy,
  Bloomsbury, Riegelsville, Steuben, Glendon, Brass Castle and
  Pleasant Valley.

This includes the following highways...
 Interstate 78 in Pennsylvania between mile markers 68 and 76.
 Interstate 78 in New Jersey between mile markers 0 and 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4064 7497 4060 7519 4061 7520 4059 7524
      4057 7534 4075 7540 4088 7503
TIME...MOT...LOC 2144Z 259DEG 16KT 4068 7528 

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

$$

Iovino

1 follow-up statement

722 
WWUS51 KPHI 222205
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
605 PM EDT Mon Aug 22 2022

PAC095-222214-
/O.CAN.KPHI.SV.W.0160.000000T0000Z-220822T2230Z/
Northampton PA-
605 PM EDT Mon Aug 22 2022

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NORTHAMPTON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the county. Therefore, the warning has been cancelled.

LAT...LON 4064 7497 4060 7519 4065 7520 4068 7517
      4068 7520 4070 7520 4073 7518 4075 7519
      4078 7517 4077 7513 4079 7513 4081 7501
TIME...MOT...LOC 2204Z 259DEG 16KT 4070 7516 

$$

NJC019-041-222230-
/O.CON.KPHI.SV.W.0160.000000T0000Z-220822T2230Z/
Hunterdon NJ-Warren NJ-
605 PM EDT Mon Aug 22 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHWESTERN HUNTERDON AND SOUTHWESTERN WARREN COUNTIES...

At 604 PM EDT, a severe thunderstorm was located over Alpha, or near
Easton, moving east 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...
Washington, Harmony, Oxford, Alpha, Bloomsbury, Brass Castle,
Roxburg, Pleasant Valley and Phillipsburg.

This includes Interstate 78 in New Jersey between mile markers 0 and
12.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4064 7497 4060 7519 4065 7520 4068 7517
      4068 7520 4070 7520 4073 7518 4075 7519
      4078 7517 4077 7513 4079 7513 4081 7501
TIME...MOT...LOC 2204Z 259DEG 16KT 4070 7516 

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

$$

Iovino

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 12:18 AM EDT	Areal Flood Advisory	PHI	Gloucester, Salem	64 min
Aug 22, 2:01 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	99 min
Aug 22, 3:42 AM EDT	Areal Flood Advisory	PHI	Hunterdon	61 min
Aug 22, 4:22 AM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean	3 hr
Aug 22, 4:37 AM EDT	Flash Flood Warning	PHI	Burlington, Ocean	4 hr
Aug 22, 5:35 AM EDT	Special Marine Warning	PHI		55 min
Aug 22, 5:46 AM EDT	Flash Flood Warning	PHI	Ocean	5 hr
Aug 22, 6:22 AM EDT	Special Marine Warning	PHI		53 min
Aug 22, 9:46 AM EDT	Flash Flood Warning	PHI	Hunterdon, Somerset	4 hr
Aug 22, 11:02 AM EDT	Flash Flood Warning	PHI	Morris, Sussex	3 hr
Aug 22, 11:39 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Warren	3 hr
Aug 22, 1:04 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset	3 hr
Aug 22, 3:24 PM EDT	Areal Flood Advisory	PHI	Morris	43 min
Aug 22, 4:04 PM EDT	Areal Flood Advisory	PHI	Burlington	60 min
Aug 22, 4:46 PM EDT	Areal Flood Advisory	PHI	Middlesex	86 min
Aug 22, 5:41 PM EDT	Areal Flood Advisory	PHI	Middlesex, Monmouth	53 min
Aug 22, 6:26 PM EDT	Special Weather Statement	PHI	Morris	64 min
Aug 22, 1:46 PM EDT	Areal Flood Advisory	PHI	Carbon, Lehigh, Monroe, Northampton	3 hr
Aug 22, 5:00 PM EDT	Areal Flood Advisory	PHI	Berks, Lehigh, Northampton	3 hr
Aug 22, 5:01 PM EDT	Severe Thunderstorm Warning	PHI	Lehigh, Northampton	44 min
Aug 22, 6:01 PM EDT	Flash Flood Warning	PHI	Lehigh	111 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2022 Severe Thunderstorm Warnings in Pennsylvania, 2022 Every severe thunderstorm warning in 2022

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.