Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 84, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 28, 2020, 3:20 PM EDT for Carbon County, Monroe County, Northampton County, Pennsylvania; Warren County, New Jersey. It was in force for 40 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
- Jun 28, 2020, 3:20 PM EDT (19:20 UTC)
- Expired
- Jun 28, 2020, 4:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Warren County, NJ, Carbon County, PA, Monroe County, PA, Northampton County, PA
The radar
The Binghamton radar (KBGM), 136 km from the middle of the area, began a volume at 19:21 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 |
|---|---|---|---|
| Jun 28, 1:32 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.3 hours before the alert went out and 205 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
- 1270 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 797 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.8
The text
As transmitted.
104
WUUS51 KPHI 281920
SVRPHI
NJC041-PAC025-089-095-282000-
/O.NEW.KPHI.SV.W.0084.200628T1920Z-200628T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
320 PM EDT Sun Jun 28 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Warren County in northwestern New Jersey...
Northeastern Carbon County in northeastern Pennsylvania...
Monroe County in northeastern Pennsylvania...
Northern Northampton County in eastern Pennsylvania...
* Until 400 PM EDT.
* At 320 PM EDT, severe thunderstorms were located along a line
extending from near Arrowhead Lake to Ledgerdale to near
Narrowsburg, moving southeast at 30 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...
Mount Pocono, East Stroudsburg, Tobyhanna, Blairstown, Bangor, Pen
Argyl, Wind Gap, East Bangor, Stormville, Werry Lake, Pocono Pines,
Millbrook, Lake Harmony, Skytop, Tannersville, Long Pond,
Kresgeville, Sun Valley, Reeders and Saylorsburg.
People attending Races at Pocono Raceway should seek safe shelter
immediately!
This includes the following highways...
Northeast Extension between mile markers 85 and 97.
Interstate 80 in Pennsylvania between mile markers 280 and 314.
Interstate 80 in New Jersey between mile markers 0 and 10.
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 4115 7515 4114 7509 4108 7503 4110 7497
4100 7486 4097 7490 4071 7548 4110 7575
4114 7568 4112 7565 4112 7564 4123 7554
4125 7513
TIME...MOT...LOC 1920Z 322DEG 28KT 4122 7561 4136 7528 4156 7501
HAIL...1.00IN
WIND...60MPH
$$
Fitzsimmons1 follow-up statement
587
WWUS51 KPHI 281944
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
344 PM EDT Sun Jun 28 2020
NJC041-PAC025-089-095-282000-
/O.CON.KPHI.SV.W.0084.000000T0000Z-200628T2000Z/
Warren NJ-Carbon PA-Monroe PA-Northampton PA-
344 PM EDT Sun Jun 28 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHWESTERN WARREN...NORTHEASTERN CARBON...MONROE AND NORTHERN
NORTHAMPTON COUNTIES...
At 344 PM EDT, a severe thunderstorm was located over Angels, or 9
miles north of Mount Pocono, moving southeast at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Mount Pocono, East Stroudsburg, Tobyhanna, Blairstown, Bangor, Pen
Argyl, Wind Gap, East Bangor, Stormville, Werry Lake, Pocono Pines,
Millbrook, Lake Harmony, Skytop, Tannersville, Long Pond,
Kresgeville, Sun Valley, Reeders and Saylorsburg.
People attending Races at Pocono Raceway should seek safe shelter
immediately!
This includes the following highways...
Northeast Extension between mile markers 85 and 97.
Interstate 80 in Pennsylvania between mile markers 280 and 314.
Interstate 80 in New Jersey between mile markers 0 and 10.
Interstate 380 in Pennsylvania between mile markers 0 and 13.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4115 7515 4114 7509 4108 7503 4110 7497
4100 7486 4097 7490 4071 7548 4110 7575
4114 7568 4112 7565 4112 7564 4123 7554
4125 7513
TIME...MOT...LOC 1944Z 316DEG 19KT 4126 7541
HAIL...1.00IN
WIND...60MPH
$$
FitzsimmonsThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 2:02 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 13 min |
| Jun 28, 4:28 PM EDT | Special Weather Statement | PHI | Lehigh | 32 min |
| Jun 28, 5:06 PM EDT | Special Weather Statement | PHI | Lehigh | 24 min |
| Jun 28, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 36 min |
| Jun 28, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 46 min |
| Jun 28, 5:56 PM EDT | Special Weather Statement | PHI | Berks | 34 min |
| Jun 28, 1:15 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| Jun 28, 1:22 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 38 min |
| Jun 28, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 36 min |
| Jun 28, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 39 min |
| Jun 28, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 27 min |
| Jun 28, 5:49 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Somerset | 15 min |
| Jun 28, 5:59 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jun 28, 6:15 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 30 min |
| Jun 28, 7:58 PM EDT | Special Marine Warning | PHI | 62 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2020Severe Thunderstorm Warnings in New Jersey, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.