Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 126, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2020, 3:56 PM EDT for 4 counties in Pennsylvania. It was in force for 64 min. 4 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, 2020, 3:56 PM EDT (19:56 UTC)
- Expired
- Jul 6, 2020, 5:00 PM EDT
- In force
- 64 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Binghamton radar (KBGM), 139 km from the middle of the area, began a volume at 19:59 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, 4:42 PM EDT | TSTM WND DMG | 2 S Albrightsville, PA | DOWNED TREE LIMBS AND WIRES NEAR UFFLEMAN LANE IN ALBRIGHTSVILLE. TIME ESTIMATED FROM RADAR. |
| Jul 6, 4:54 PM EDT | HAIL 1.25 | 1 Nne Nesquehoning, PA | MPING REPORT. |
| Jul 6, 5:01 PM EDT | TSTM WND DMG | 1 Wsw Emerald, PA | DOWNED TREE LIMBS AND WIRES NEAR MOLASSES BARREL ROAD IN EMERALD. TIME ESTIMATED FROM RADAR. |
| Jul 6, 5:10 PM EDT | TSTM WND DMG | 2 Nw Emerald, PA | MULTIPLE REPORTS OF DOWNED TREES AND WIRES ON MOUNTAIN RD. 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 |
|---|---|---|---|
| Jul 6, 1:38 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.9 hours before the alert went out and 232 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.
- Mixed-layer CAPE
- 100 J/kg
- Mixed-layer CIN
- -192 J/kg
- Mixed-layer LCL
- 1959 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
379
WUUS51 KPHI 061956
SVRPHI
PAC025-077-089-095-062100-
/O.NEW.KPHI.SV.W.0126.200706T1956Z-200706T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
356 PM EDT Mon Jul 6 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Lehigh County in eastern Pennsylvania...
Carbon County in northeastern Pennsylvania...
Western Monroe County in northeastern Pennsylvania...
West central Northampton County in eastern Pennsylvania...
* Until 500 PM EDT.
* At 355 PM EDT, severe thunderstorms were located along a line
extending from near Gouldsboro State Park to near Jim Thorpe to
near Tamaqua, moving southeast at 10 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...
Lehighton, Mount Pocono, Tobyhanna, Palmerton, Jim Thorpe,
Slatington, Nesquehoning, Weatherly, Walnutport, Neffs, Pocono
Pines, Lake Harmony, New Tripoli, Long Pond, Kresgeville, Sun
Valley, Beltzville State Park, McMichael, Blakeslee and Penn Forest
Reservoir.
This includes the following highways...
Northeast Extension between mile markers 64 and 95.
Interstate 80 in Pennsylvania between mile markers 279 and 301.
Interstate 380 in Pennsylvania between mile markers 0 and 13.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
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.
&&
LAT...LON 4118 7524 4077 7549 4058 7574 4068 7589
4074 7576 4086 7594 4100 7577 4101 7573
4103 7575 4114 7568 4112 7564 4123 7554
4124 7536
TIME...MOT...LOC 1955Z 316DEG 9KT 4122 7554 4093 7572 4075 7595
HAIL...1.00IN
WIND...60MPH
$$
Robertson2 follow-up statements
888
WWUS51 KPHI 062017
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
417 PM EDT Mon Jul 6 2020
PAC025-077-089-095-062100-
/O.CON.KPHI.SV.W.0126.000000T0000Z-200706T2100Z/
Lehigh PA-Carbon PA-Monroe PA-Northampton PA-
417 PM EDT Mon Jul 6 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHWESTERN LEHIGH...CARBON...SOUTHWESTERN MONROE AND WEST
CENTRAL NORTHAMPTON COUNTIES...
At 417 PM EDT, severe thunderstorms were located along a line
extending from near Christmans to near Tamaqua, moving southeast at
10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Lehighton, Palmerton, Jim Thorpe, Slatington, Nesquehoning,
Weatherly, Walnutport, New Mahoning, Kunkletown, Neffs, Gilbert, New
Tripoli, Berlinsville, Albrightsville, Emerald, Kresgeville,
Danielsville, Wanamakers, Beltzville State Park and Penn Forest
Reservoir.
This includes Northeast Extension between mile markers 64 and 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of
a building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4107 7568 4090 7541 4077 7549 4058 7574
4068 7589 4074 7576 4086 7594 4100 7577
4101 7573 4103 7575
TIME...MOT...LOC 2017Z 316DEG 7KT 4092 7566 4074 7593
HAIL...1.00IN
WIND...60MPH
$$
Robertson407
WWUS51 KPHI 062039
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
439 PM EDT Mon Jul 6 2020
PAC025-077-089-095-062100-
/O.CON.KPHI.SV.W.0126.000000T0000Z-200706T2100Z/
Lehigh PA-Carbon PA-Monroe PA-Northampton PA-
439 PM EDT Mon Jul 6 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHWESTERN LEHIGH...CARBON...SOUTHWESTERN MONROE AND WEST
CENTRAL NORTHAMPTON COUNTIES...
At 439 PM EDT, severe thunderstorms were located along a line
extending from near Jim Thorpe to near Snyders, moving southeast at 5
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...
Lehighton, Palmerton, Jim Thorpe, Slatington, Nesquehoning,
Weatherly, Walnutport, New Mahoning, Kunkletown, Neffs, Gilbert, New
Tripoli, Berlinsville, Albrightsville, Emerald, Kresgeville,
Danielsville, Wanamakers, Beltzville State Park and Penn Forest
Reservoir.
This includes Northeast Extension between mile markers 64 and 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4107 7568 4090 7541 4077 7549 4058 7574
4068 7589 4074 7576 4086 7594 4100 7577
4101 7573 4103 7575
TIME...MOT...LOC 2039Z 295DEG 6KT 4091 7577 4076 7589
HAIL...1.00IN
WIND...60MPH
$$
RobertsonThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:16 AM EDT | Heat Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 12 hr |
| Jul 6, 12:34 PM EDT | Special Weather Statement | PHI | Philadelphia | 26 min |
| Jul 6, 12:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 60 min |
| Jul 6, 12:52 PM EDT | Flash Flood Watch | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 8 hr |
| Jul 6, 12:57 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 2 hr |
| Jul 6, 1:08 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 6, 1:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 60 min |
| Jul 6, 1:20 PM EDT | Special Weather Statement | PHI | Montgomery | 25 min |
| Jul 6, 1:24 PM EDT | Special Weather Statement | PHI | Monroe | 36 min |
| Jul 6, 1:43 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 62 min |
| Jul 6, 1:44 PM EDT | Special Weather Statement | PHI | Montgomery | 31 min |
| Jul 6, 1:50 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 4 hr |
| Jul 6, 1:50 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 40 min |
| Jul 6, 2:02 PM EDT | Areal Flood Advisory | PHI | Bucks | 118 min |
| Jul 6, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 41 min |
| Jul 6, 2:10 PM EDT | Areal Flood Advisory | PHI | Monroe | 2 hr |
| Jul 6, 2:18 PM EDT | Special Weather Statement | PHI | Montgomery | 27 min |
| Jul 6, 2:27 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 48 min |
| Jul 6, 2:28 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 28 min |
| Jul 6, 2:39 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery | 4 hr |
| Jul 6, 2:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 66 min |
| Jul 6, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 49 min |
| Jul 6, 2:48 PM EDT | Areal Flood Advisory | PHI | Philadelphia | 4 hr |
| Jul 6, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 24 min |
| Jul 6, 2:57 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 6, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 45 min |
| Jul 6, 3:11 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 49 min |
| Jul 6, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 52 min |
| Jul 6, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 38 min |
| Jul 6, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 24 min |
| Jul 6, 4:07 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 4 hr |
| Jul 6, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Monroe, Northampton | 44 min |
| Jul 6, 4:51 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 114 min |
| Jul 6, 5:00 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 45 min |
| Jul 6, 5:01 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 119 min |
| Jul 6, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 61 min |
| Jul 6, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 43 min |
| Jul 6, 5:20 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 42 min |
| Jul 6, 5:29 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 46 min |
| Jul 6, 5:43 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 3 hr |
| Jul 6, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 52 min |
| Jul 6, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
| Jul 6, 6:14 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 3 hr |
| Jul 6, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 35 min |
| Jul 6, 6:54 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Montgomery | 109 min |
| Jul 6, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 36 min |
| Jul 6, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 69 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2020Every severe thunderstorm warning in 2020
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.