Alert archive / New York / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 608
The Storm Prediction Center issued this severe thunderstorm watch at Aug 16, 2007, 6:04 PM EDT for 4 states. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2007, 6:04 PM EDT (22:04 UTC)
- Expired
- Aug 16, 2007, 10:01 PM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 43 counties
Berkshire County, MA, Franklin County, MA, Hampshire County, MA, 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, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Warren County, NY, Washington County, NY, Yates County, NY, Bennington County, VT, Windham County, VT
The radar
The Albany radar (KENX), 69 km from the middle of the area, began a volume at 22:06 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
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 5%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 90%
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 |
|---|---|---|---|---|
| Aug 16, 6:05 PM EDT | Severe Thunderstorm Warning | BGM | Tompkins | 42 min |
| Aug 16, 6:15 PM EDT | Severe Thunderstorm Warning | ALY | Herkimer | 30 min |
| Aug 16, 6:31 PM EDT | Severe Thunderstorm Warning | BGM | Cortland | 59 min |
| Aug 16, 6:37 PM EDT | Severe Thunderstorm Warning | GYX | Sullivan | 53 min |
| Aug 16, 6:56 PM EDT | Severe Thunderstorm Warning | BGM | Delaware | 37 min |
| Aug 16, 7:10 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 35 min |
| Aug 16, 7:14 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 46 min |
| Aug 16, 7:41 PM EDT | Severe Thunderstorm Warning | GYX | Sullivan | 34 min |
| Aug 16, 7:49 PM EDT | Severe Thunderstorm Warning | BGM | Delaware | 41 min |
| Aug 16, 7:54 PM EDT | Severe Thunderstorm Warning | GYX | Belknap | 36 min |
| Aug 16, 8:00 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 45 min |
| Aug 16, 8:27 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Sullivan | 48 min |
| Aug 16, 8:48 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 57 min |
| Aug 16, 9:11 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 34 min |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.1 hours before the alert went out and 85 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1347 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 1:07 PM EDT | Mesoscale Discussion | SPC | Albany, Cayuga, Chenango, Clinton, Cortland, Essex and 27 more | 113 min |
Nearby
Severe Thunderstorm Watches in New York, 2007Severe Thunderstorm Watches in New Hampshire, 2007Severe Thunderstorm Watches in Massachusetts, 2007Every severe thunderstorm watch in 2007
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.