Alert archive / Pennsylvania / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 443
The Storm Prediction Center issued this severe thunderstorm watch at Jul 19, 2015, 3:18 PM EDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2015, 3:18 PM EDT (19:18 UTC)
- Expired
- Jul 19, 2015, 10:02 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 65 kt
All 105 counties
Allegany County, NY, Broome County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Delaware County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Madison County, NY, Monroe County, NY, Niagara County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Otsego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, Ashland County, OH, Ashtabula County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Erie County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Lorain County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Muskingum County, OH, Portage County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Wayne County, OH, Wyandot County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Bradford County, PA, Butler County, PA, Cameron County, PA, Centre County, PA, Clarion County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Crawford County, PA, Elk County, PA, Erie County, PA, Forest County, PA, Indiana County, PA, Jefferson County, PA, Lackawanna County, PA, Lawrence County, PA, Luzerne County, PA, Lycoming County, PA, McKean County, PA, Mercer County, PA, Montour County, PA, Northumberland County, PA, Pike County, PA, Potter County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Union County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Wayne County, PA, Westmoreland County, PA, Wyoming County, PA, Brooke County, WV, Hancock County, WV, Ohio County, WV
The radar
The Buffalo radar (KBUF), 134 km from the middle of the area, began a volume at 19:20 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 4:16 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Seneca, Wyandot | 44 min |
| Jul 19, 5:48 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 57 min |
| Jul 19, 5:50 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 40 min |
| Jul 19, 6:03 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus | 46 min |
| Jul 19, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 60 min |
| Jul 19, 6:38 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 47 min |
| Jul 19, 7:02 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 28 min |
| Jul 19, 7:35 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean | 30 min |
| Jul 19, 7:53 PM EDT | Tornado Warning | CTP | Cameron, Elk | 37 min |
| Jul 19, 7:53 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 27 min |
| Jul 19, 8:02 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean | 41 min |
| Jul 19, 8:09 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Potter | 34 min |
| Jul 19, 8:30 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton, Elk, Potter | 60 min |
| Jul 19, 9:00 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 60 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 1:36 PM EDT | Mesoscale Discussion | SPC | Albany, Cayuga, Chenango, Clinton, Cortland, Essex and 21 more | 2 hr |
| Jul 19, 2:11 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Livingston, Wyoming | 2 hr |
| Jul 19, 2:49 PM EDT | Severe Thunderstorm Watch | SPC | Albany, Clinton, Columbia, Dutchess, Essex, Franklin and 13 more | 8 hr |
| Jul 19, 7:29 PM EDT | Mesoscale Discussion | SPC | Albany, Essex, Fulton, Hamilton, Herkimer, Montgomery and 6 more | 91 min |
| Jul 18, 8:03 PM EDT | Mesoscale Discussion | SPC | Defiance, Paulding, Van Wert, Williams | 57 min |
| Jul 19, 1:29 PM EDT | Mesoscale Discussion | SPC | Adams, Athens, Brown, Butler, Clark, Clermont and 24 more | 91 min |
Nearby
Severe Thunderstorm Watches in Pennsylvania, 2015Severe Thunderstorm Watches in Ohio, 2015Severe Thunderstorm Watches in New York, 2015Every severe thunderstorm watch in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.