Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 262, NWS Philadelphia/Mount Holly

July 22, 2019Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 22, 2019, 3:27 PM EDT for Monroe County, Pennsylvania. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 22, 2019, 3:27 PM EDT (19:27 UTC)
Expired: Jul 22, 2019, 4:15 PM EDT
In force: 48 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Monroe County, PA

The radar

The Binghamton radar (KBGM), 129 km from the middle of the area, began a volume at 19:31 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 22, 2:17 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.5 hours before the alert went out and 208 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: 1598 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

436 
WUUS51 KPHI 221927
SVRPHI
PAC089-222015-
/O.NEW.KPHI.SV.W.0262.190722T1927Z-190722T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
327 PM EDT Mon Jul 22 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northern Monroe County in northeastern Pennsylvania...

* Until 415 PM EDT.

* At 327 PM EDT, severe thunderstorms were located along a line
  extending from Pocono Pines to Echo Lake, moving east at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Mount Pocono, Tobyhanna, Henryville, Werry Lake, Pocono Pines,
  Analomink, Skytop, Mountainhome, Canadensis, Alpine Mountain,
  Scotrun, Blakeslee, Echo Lake, Paradise Valley, Gouldsboro State
  Park, Arrowhead Lake, Long Pond, Cresco, Marshalls Creek and Hidden
  Lake.

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 these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

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

&&

LAT...LON 4115 7515 4114 7509 4108 7503 4109 7497
      4103 7505 4106 7557 4111 7563 4114 7563
      4118 7558 4123 7554 4122 7551 4124 7546
      4125 7513
TIME...MOT...LOC 1927Z 260DEG 36KT 4111 7545 4107 7506 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

CMS

2 follow-up statements

580 
WWUS51 KPHI 221946
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
346 PM EDT Mon Jul 22 2019

PAC089-222015-
/O.CON.KPHI.SV.W.0262.000000T0000Z-190722T2015Z/
Monroe PA-
346 PM EDT Mon Jul 22 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHERN MONROE COUNTY...

At 346 PM EDT, a severe thunderstorm was located over Paradise
Valley, or near Mount Pocono, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Mount Pocono, Tobyhanna, Henryville, Werry Lake, Pocono Pines,
Analomink, Skytop, Mountainhome, Canadensis, Alpine Mountain,
Scotrun, Blakeslee, Echo Lake, Paradise Valley, Gouldsboro State
Park, Arrowhead Lake, Long Pond, Cresco, Marshalls Creek and Hidden
Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous 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 4115 7515 4114 7509 4108 7503 4109 7497
      4103 7505 4106 7557 4111 7563 4114 7563
      4118 7558 4123 7554 4122 7551 4124 7546
      4125 7513
TIME...MOT...LOC 1946Z 262DEG 23KT 4115 7528 

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

CMS

174 
WWUS51 KPHI 222008
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
408 PM EDT Mon Jul 22 2019

PAC089-222018-
/O.EXP.KPHI.SV.W.0262.000000T0000Z-190722T2015Z/
Monroe PA-
408 PM EDT Mon Jul 22 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MONROE COUNTY WILL
EXPIRE AT 415 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 1000 PM EDT for
northwestern New Jersey...and northeastern Pennsylvania.

LAT...LON 4115 7515 4114 7509 4108 7503 4109 7497
      4103 7505 4106 7557 4111 7563 4114 7563
      4118 7558 4123 7554 4122 7551 4124 7546
      4125 7513
TIME...MOT...LOC 2008Z 260DEG 36KT 4119 7500 

$$

CMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 8:25 PM EDT	Special Weather Statement	PHI	Carbon, Lehigh, Northampton	50 min
Jul 21, 8:44 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	46 min
Jul 21, 9:24 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Northampton	51 min
Jul 21, 9:30 PM EDT	Severe Thunderstorm Warning	PHI	Chester	45 min
Jul 21, 9:58 PM EDT	Areal Flood Advisory	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	2 hr
Jul 21, 10:14 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	46 min
Jul 21, 10:30 PM EDT	Flash Flood Warning	PHI	Berks, Lehigh, Northampton	3 hr
Jul 21, 10:31 PM EDT	Flash Flood Warning	PHI	Berks, Lehigh, Northampton	3 hr
Jul 21, 10:35 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Lehigh	40 min
Jul 21, 10:42 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	48 min
Jul 21, 10:54 PM EDT	Severe Thunderstorm Warning	PHI	Delaware	25 min
Jul 21, 10:58 PM EDT	Areal Flood Advisory	PHI	Berks, Chester, Montgomery	59 min
Jul 21, 11:05 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery	40 min
Jul 21, 11:31 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Philadelphia	44 min
Jul 21, 11:38 PM EDT	Flash Flood Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	2 hr
Jul 21, 11:40 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Carbon, Lehigh, Montgomery, Northampton	50 min
Jul 22, 12:05 AM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	40 min
Jul 22, 12:45 AM EDT	Special Weather Statement	PHI	Monroe	30 min
Jul 22, 1:11 AM EDT	Special Weather Statement	PHI	Monroe	34 min
Jul 22, 5:32 AM EDT	Areal Flood Warning	PHI	Lehigh	49 min
Jul 22, 1:28 PM EDT	Special Weather Statement	PHI	Monroe	32 min
Jul 22, 1:50 PM EDT	Special Weather Statement	PHI	Northampton	25 min
Jul 22, 3:18 PM EDT	Special Weather Statement	PHI	Chester	57 min
Jul 22, 3:33 PM EDT	Areal Flood Advisory	PHI	Carbon, Monroe, Northampton	7 hr
Jul 22, 3:39 PM EDT	Special Weather Statement	PHI	Berks	51 min
Jul 22, 3:47 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	58 min
Jul 22, 4:11 PM EDT	Areal Flood Advisory	PHI	Berks, Bucks, Chester, Lehigh, Montgomery, Northampton	4 hr
Jul 22, 4:16 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	59 min
Jul 22, 4:40 PM EDT	Areal Flood Advisory	PHI	Delaware, Montgomery, Philadelphia	114 min
Jul 22, 4:55 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	50 min
Jul 22, 5:04 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	41 min
Jul 22, 5:05 PM EDT	Flash Flood Warning	PHI	Berks, Lehigh, Northampton	4 hr
Jul 22, 5:14 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	61 min
Jul 22, 5:17 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	73 min
Jul 22, 5:34 PM EDT	Flash Flood Warning	PHI	Bucks, Lehigh, Montgomery, Northampton	4 hr
Jul 22, 5:40 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Philadelphia	80 min
Jul 22, 5:43 PM EDT	Areal Flood Advisory	PHI	Bucks	3 hr
Jul 22, 5:50 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	40 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.