Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 213, NWS Philadelphia/Mount Holly

July 6, 20195 counties in Pennsylvania; Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2019, 6:22 PM EDT for 5 counties in Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 38 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: Jul 6, 2019, 6:22 PM EDT (22:22 UTC)
Expired: Jul 6, 2019, 7:00 PM EDT
In force: 38 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Sussex County, NJ, Warren County, NJ, Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 22:22 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
Jul 6, 6:22 PM EDT	TSTM WND DMG	Paradise Valley, PA	TREE DOWN ON ROUTE 940. TIME ESTIMATED FROM RADAR.
Jul 6, 6:33 PM EDT	TSTM WND DMG	1 Nw Saylorsburg, PA	TREE DOWN ALONG ROUTE 115. TIME ESTIMATED FROM RADAR.
Jul 6, 6:44 PM EDT	TSTM WND DMG	Marion Twp, PA	TREES DOWN ACROSS MARION TWP. TIME ESTIMATED FROM RADAR.
Jul 6, 7:08 PM EDT	TSTM WND DMG	3 Nw Mertztown, PA	TREE DOWN IN MAXATAWNY TWP. TIME ESTIMATED FROM RADAR.
Jul 6, 7:08 PM EDT	TSTM WND DMG	Wyomissing, PA	A COUPLE TREES DOWN IN WYOMISSING. 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, 10.4 hours before the alert went out and 203 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: 1195 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 542 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

284 
WUUS51 KPHI 062222
SVRPHI
NJC037-041-PAC011-025-077-089-095-062300-
/O.NEW.KPHI.SV.W.0213.190706T2222Z-190706T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
622 PM EDT Sat Jul 6 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Sussex County in northwestern New Jersey...
  Warren County in northwestern New Jersey...
  Berks County in eastern Pennsylvania...
  Lehigh County in eastern Pennsylvania...
  Southeastern Carbon County in northeastern Pennsylvania...
  Monroe County in northeastern Pennsylvania...
  Northampton County in eastern Pennsylvania...

* Until 700 PM EDT.

* At 622 PM EDT, severe thunderstorms were located along a line
  extending from near Matamoras to Beltzville State Park to near
  Palmyra, moving southeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Allentown, Reading, Easton, Port Jervis, Newton, Lehighton,
  Montague, Bethlehem, Hopatcong, Forks, Emmaus, Wyomissing,
  Northampton, East Stroudsburg, Wilson, Blairstown, Hellertown,
  Nazareth, Palmerton and Bangor.

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.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

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

&&

LAT...LON 4120 7437 4103 7456 4069 7513 4022 7600
      4049 7643 4057 7602 4065 7598 4074 7576
      4082 7585 4121 7514 4115 7515 4109 7500
      4135 7475 4136 7469
TIME...MOT...LOC 2222Z 300DEG 24KT 4136 7476 4089 7559 4034 7658 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

MPS

1 follow-up statement

959 
WWUS51 KPHI 062255
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
655 PM EDT Sat Jul 6 2019

NJC037-041-PAC011-025-077-089-095-062303-
/O.EXP.KPHI.SV.W.0213.000000T0000Z-190706T2300Z/
Sussex NJ-Warren NJ-Berks PA-Lehigh PA-Carbon PA-Monroe PA-
Northampton PA-
655 PM EDT Sat Jul 6 2019

...THE SEVERE THUNDERSTORM WARNING FOR SUSSEX...WARREN...BERKS...
LEHIGH...SOUTHEASTERN CARBON...MONROE AND NORTHAMPTON COUNTIES WILL
EXPIRE AT 700 PM EDT...
    
The storms which prompted the warning continue to move to the 
southeast. A new Severe Thunderstorm Warning is in effect for 
these counties until 8:00 PM EDT.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 4120 7437 4103 7456 4069 7513 4022 7600
      4049 7643 4057 7602 4065 7598 4074 7576
      4082 7585 4121 7514 4115 7515 4109 7500
      4135 7475 4136 7469
TIME...MOT...LOC 2253Z 300DEG 24KT 4126 7453 4079 7536 4024 7635 

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 3:43 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	47 min
Jul 6, 3:55 PM EDT	Tornado Warning	PHI	Delaware, Philadelphia	50 min
Jul 6, 4:28 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	21 min
Jul 6, 4:41 PM EDT	Severe Thunderstorm Warning	PHI	Monroe, Northampton	49 min
Jul 6, 4:45 PM EDT	Areal Flood Advisory	PHI	Bucks, Delaware, Montgomery, Philadelphia	4 hr
Jul 6, 4:54 PM EDT	Areal Flood Advisory	PHI	Bucks, Chester, Montgomery	4 hr
Jul 6, 5:04 PM EDT	Severe Thunderstorm Warning	PHI	Delaware	17 min
Jul 6, 5:25 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	50 min
Jul 6, 5:36 PM EDT	Tornado Warning	PHI	Bucks	24 min
Jul 6, 5:44 PM EDT	Areal Flood Advisory	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	4 hr
Jul 6, 5:49 PM EDT	Areal Flood Advisory	PHI	Chester, Delaware, Montgomery	4 hr
Jul 6, 6:13 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Philadelphia	15 min
Jul 6, 6:42 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Philadelphia	30 min
Jul 6, 6:49 PM EDT	Flash Flood Warning	PHI	Monroe, Northampton	3 hr
Jul 6, 6:53 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Chester, Lehigh, Monroe, Montgomery and 1 more	67 min
Jul 6, 7:45 PM EDT	Special Weather Statement	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	45 min
Jul 6, 1:28 PM EDT	Areal Flood Advisory	PHI	Ocean	3 hr
Jul 6, 1:46 PM EDT	Flash Flood Warning	PHI	Ocean	4 hr
Jul 6, 1:52 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:05 PM EDT	Special Weather Statement	PHI	Burlington	25 min
Jul 6, 2:06 PM EDT	Special Weather Statement	PHI	Monmouth	24 min
Jul 6, 2:07 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:10 PM EDT	Special Weather Statement	PHI	Ocean	35 min
Jul 6, 2:13 PM EDT	Special Weather Statement	PHI	Cumberland	47 min
Jul 6, 2:17 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden	2 hr
Jul 6, 2:22 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:25 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Ocean	28 min
Jul 6, 2:26 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	34 min
Jul 6, 2:28 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Ocean	47 min
Jul 6, 2:29 PM EDT	Special Marine Warning	PHI		61 min
Jul 6, 2:40 PM EDT	Special Marine Warning	PHI		31 min
Jul 6, 2:58 PM EDT	Special Marine Warning	PHI		62 min
Jul 6, 3:04 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Ocean	26 min
Jul 6, 3:22 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Ocean	37 min
Jul 6, 4:08 PM EDT	Tornado Warning	PHI	Hunterdon	25 min
Jul 6, 4:39 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	32 min
Jul 6, 4:49 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	4 hr
Jul 6, 5:32 PM EDT	Flash Flood Warning	PHI	Warren	4 hr
Jul 6, 7:33 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Cumberland, Gloucester, Salem	42 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2019 Severe Thunderstorm Warnings in New Jersey, 2019 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.