Alert archive / New York / Severe Thunderstorm Watches in 2020
Severe Thunderstorm Watch 385
The Storm Prediction Center issued this severe thunderstorm watch at Jul 19, 2020, 12:53 PM EDT for 22 counties in New York. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2020, 12:53 PM EDT (16:53 UTC)
- Expired
- Jul 19, 2020, 7:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 22 counties
Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Chemung County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tompkins County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY
The radar
The Buffalo radar (KBUF), 55 km from the middle of the area, began a volume at 16:54 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 2:29 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Erie, Livingston, Wyoming | 61 min |
| Jul 19, 2:43 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Ontario, Wayne, Wyoming | 62 min |
| Jul 19, 2:48 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Chautauqua | 57 min |
| Jul 19, 3:06 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Ontario | 43 min |
| Jul 19, 3:14 PM EDT | Severe Thunderstorm Warning | BGM | Schuyler, Steuben, Yates | 46 min |
| Jul 19, 3:20 PM EDT | Severe Thunderstorm Warning | BUF | Ontario, Wayne | 55 min |
| Jul 19, 3:56 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Chemung, Schuyler, Seneca, Steuben, Tompkins and 1 more | 64 min |
| Jul 19, 4:34 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Steuben | 26 min |
| Jul 19, 5:01 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Cayuga, Chemung, Chenango, Cortland, Madison and 3 more | 59 min |
| Jul 19, 6:03 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 57 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, 12:17 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 6 more | 88 min |
| Jul 19, 3:11 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chemung, Genesee, Livingston and 11 more | 94 min |
| Jul 19, 5:52 PM EDT | Mesoscale Discussion | SPC | Broome, Chenango, Delaware, Greene, Orange, Otsego and 4 more | 83 min |
Nearby
Severe Thunderstorm Watches in New York, 2020Every severe thunderstorm watch 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; radar from the NEXRAD Level II archive.