Alert archive / New York / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 321
The Storm Prediction Center issued this severe thunderstorm watch at Jun 17, 2013, 1:14 PM EDT for 6 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 17, 2013, 1:14 PM EDT (17:14 UTC)
- Expired
- Jun 17, 2013, 7:41 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 56 counties
Capitol Planning Region, CT, Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Northeastern Connecticut Planning Region, CT, Northwest Hills Planning Region, CT, Southeastern Connecticut Planning Region, CT, Berkshire County, MA, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Sullivan County, NH, Albany County, NY, Broome County, NY, Chenango County, NY, Columbia County, NY, Delaware County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Orange County, NY, Otsego County, NY, Putnam County, NY, Rensselaer County, NY, Rockland County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Sullivan County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Westchester County, NY, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI, Bennington County, VT, Windham County, VT
The radar
The Albany radar (KENX), 52 km from the middle of the area, began a volume at 17:15 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
- 50%
- One or more gusts of 65 knots or more
- 20%
- 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
- 80%
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 1:19 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida | 56 min |
| Jun 17, 1:40 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region | 50 min |
| Jun 17, 1:57 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Warren, Washington | 63 min |
| Jun 17, 2:25 PM EDT | Severe Thunderstorm Warning | ALY | Washington | 65 min |
| Jun 17, 2:26 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Montgomery, Rensselaer, Saratoga, Schenectady, Schoharie | 49 min |
| Jun 17, 3:20 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 55 min |
| Jun 17, 4:19 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 26 min |
| Jun 17, 4:37 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 38 min |
| Jun 17, 5:11 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 49 min |
| Jun 17, 5:39 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex, Suffolk | 51 min |
| Jun 17, 5:47 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 58 min |
| Jun 17, 5:51 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Plymouth, Suffolk | 39 min |
| Jun 17, 6:00 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region | 45 min |
| Jun 17, 6:20 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 25 min |
| Jun 17, 6:44 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region | 61 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 5.2 hours before the alert went out and 33 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
- 0 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 4:09 PM EDT | Mesoscale Discussion | SPC | 96 min | |
| Jun 17, 6:56 PM EDT | Mesoscale Discussion | SPC | 64 min | |
| Jun 17, 12:07 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampshire | 83 min |
Nearby
Severe Thunderstorm Watches in New York, 2013Severe Thunderstorm Watches in Massachusetts, 2013Severe Thunderstorm Watches in Connecticut, 2013Every severe thunderstorm watch in 2013
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.