Alert archive / New York / Severe Thunderstorm Watches in 2018
Severe Thunderstorm Watch 187
The Storm Prediction Center issued this severe thunderstorm watch at Jun 18, 2018, 2:49 PM EDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2018, 2:49 PM EDT (18:49 UTC)
- Expired
- Jun 18, 2018, 7:36 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 41 counties
Androscoggin County, ME, Cumberland County, ME, York County, ME, Belknap County, NH, Carroll County, NH, Cheshire County, NH, Grafton County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Sullivan County, NH, Albany County, NY, Clinton County, NY, Essex County, NY, Franklin County, NY, Fulton County, NY, Hamilton County, NY, Herkimer County, NY, Montgomery County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, St. Lawrence County, NY, Warren County, NY, Washington County, NY, Addison County, VT, Bennington County, VT, Caledonia County, VT, Chittenden County, VT, Essex County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Rutland County, VT, Washington County, VT, Windham County, VT, Windsor County, VT
The radar
The Burlington radar (KCXX), 106 km from the middle of the area, began a volume at 18:52 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
- 5%
- Ten or more severe wind reports
- 70%
- 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
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
23 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 3:00 PM EDT | Tornado Warning | GYX | Carroll, Coos, Grafton | 30 min |
| Jun 18, 3:09 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 51 min |
| Jun 18, 3:09 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer | 48 min |
| Jun 18, 3:10 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Chittenden, Essex, Lamoille, Orange, Washington | 65 min |
| Jun 18, 3:12 PM EDT | Tornado Warning | GYX | Grafton | 48 min |
| Jun 18, 3:20 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 40 min |
| Jun 18, 3:37 PM EDT | Severe Thunderstorm Warning | BTV | Essex | 53 min |
| Jun 18, 3:50 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 40 min |
| Jun 18, 3:54 PM EDT | Tornado Warning | GYX | Carroll, Grafton | 36 min |
| Jun 18, 3:58 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Coos, Grafton | 47 min |
| Jun 18, 4:06 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Washington | 54 min |
| Jun 18, 4:28 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, Oxford, York | 47 min |
| Jun 18, 4:31 PM EDT | Severe Thunderstorm Warning | BTV | Addison, Caledonia, Orange, Washington, Windsor | 59 min |
| Jun 18, 4:37 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Franklin, St. Lawrence | 53 min |
| Jun 18, 4:47 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough, Sullivan | 58 min |
| Jun 18, 4:55 PM EDT | Severe Thunderstorm Warning | ALY | Windham | 31 min |
| Jun 18, 5:16 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery, Schoharie | 59 min |
| Jun 18, 5:24 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough, Merrimack, Rockingham, Sullivan | 51 min |
| Jun 18, 5:35 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, York | 40 min |
| Jun 18, 5:51 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 54 min |
| Jun 18, 6:17 PM EDT | Severe Thunderstorm Warning | GYX | York | 43 min |
| Jun 18, 6:41 PM EDT | Flash Flood Warning | BTV | Franklin, St. Lawrence | 3 hr |
| Jun 18, 7:05 PM EDT | Severe Thunderstorm Warning | GYX | York | 25 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 |
|---|---|---|---|---|
| Jun 18, 7:05 PM EDT | Mesoscale Discussion | SPC | Cumberland, York | 55 min |
| Jun 18, 12:19 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Grafton, Sullivan | 116 min |
| Jun 18, 1:33 PM EDT | Severe Thunderstorm Watch | SPC | Cayuga, Erie, Genesee, Jefferson, Lewis, Livingston and 12 more | 6 hr |
| Jun 18, 4:04 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 14 more | 26 min |
| Jun 18, 5:55 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, New York, Orange, Putnam and 4 more | 2 hr |
Nearby
Severe Thunderstorm Watches in New York, 2018Severe Thunderstorm Watches in Vermont, 2018Severe Thunderstorm Watches in New Hampshire, 2018Every severe thunderstorm watch in 2018
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.