Alert archive / New York / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 813
The Storm Prediction Center issued this severe thunderstorm watch at Aug 7, 2008, 12:48 PM EDT for 7 states. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 7, 2008, 12:48 PM EDT (16:48 UTC)
- Expired
- Aug 7, 2008, 9:00 PM EDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 46 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, Berkshire County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ, Albany County, NY, Bronx County, NY, Columbia County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Kings County, NY, Montgomery County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Rensselaer County, NY, Richmond County, NY, Rockland County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Westchester County, NY, Providence County, RI, Bennington County, VT, Windham County, VT
The radar
The Albany radar (KENX), 76 km from the middle of the area, began a volume at 16:51 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
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
67 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 12:48 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 57 min |
| Aug 7, 12:55 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 65 min |
| Aug 7, 12:59 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Saratoga, Washington | 46 min |
| Aug 7, 1:02 PM EDT | Flash Flood Warning | ALY | Windham | 3 hr |
| Aug 7, 1:11 PM EDT | Severe Thunderstorm Warning | ALY | Windham | 64 min |
| Aug 7, 1:16 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 59 min |
| Aug 7, 1:25 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 65 min |
| Aug 7, 1:30 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 60 min |
| Aug 7, 1:33 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 57 min |
| Aug 7, 1:34 PM EDT | Flash Flood Warning | OKX | Nassau | 116 min |
| Aug 7, 1:36 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 21 min |
| Aug 7, 1:49 PM EDT | Flash Flood Warning | OKX | Greater Bridgeport Planning Region | 3 hr |
| Aug 7, 1:53 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Hamilton, Saratoga | 67 min |
| Aug 7, 2:03 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess, Ulster | 43 min |
| Aug 7, 2:05 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Warren | 55 min |
| Aug 7, 2:06 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 39 min |
| Aug 7, 2:08 PM EDT | Severe Thunderstorm Warning | OKX | Naugatuck Valley Planning Region | 67 min |
| Aug 7, 2:08 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 52 min |
| Aug 7, 2:09 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Warren | 51 min |
| Aug 7, 2:11 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 64 min |
| Aug 7, 2:12 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 63 min |
| Aug 7, 2:24 PM EDT | Flash Flood Warning | OKX | Naugatuck Valley Planning Region | 2 hr |
| Aug 7, 2:25 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga | 50 min |
| Aug 7, 2:26 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 34 min |
| Aug 7, 2:28 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 39 min |
| Aug 7, 2:30 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 47 min |
| Aug 7, 2:36 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 54 min |
| Aug 7, 2:39 PM EDT | Tornado Warning | BOX | Franklin, Hampshire, Worcester | 33 min |
| Aug 7, 2:41 PM EDT | Flash Flood Warning | OKX | Nassau, Suffolk | 2 hr |
| Aug 7, 2:48 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 27 min |
| Aug 7, 2:52 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 53 min |
| Aug 7, 2:55 PM EDT | Severe Thunderstorm Warning | ALY | Windham | 65 min |
| Aug 7, 2:58 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 51 min |
| Aug 7, 2:58 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 62 min |
| Aug 7, 2:59 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga, Warren, Washington | 61 min |
| Aug 7, 3:12 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 49 min |
| Aug 7, 3:38 PM EDT | Flash Flood Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 3 hr |
| Aug 7, 3:40 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 42 min |
| Aug 7, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 61 min |
| Aug 7, 3:45 PM EDT | Severe Thunderstorm Warning | OKX | Naugatuck Valley Planning Region | 18 min |
| Aug 7, 3:50 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region | 40 min |
| Aug 7, 3:52 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer | 53 min |
| Aug 7, 4:11 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer | 64 min |
| Aug 7, 4:27 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene, Rensselaer | 63 min |
| Aug 7, 4:30 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 45 min |
| Aug 7, 4:35 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 55 min |
| Aug 7, 5:17 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 58 min |
| Aug 7, 5:34 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 56 min |
| Aug 7, 5:35 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 40 min |
| Aug 7, 5:41 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene | 64 min |
| Aug 7, 5:42 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 18 min |
| Aug 7, 5:54 PM EDT | Tornado Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 36 min |
| Aug 7, 6:05 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 55 min |
| Aug 7, 6:09 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 51 min |
| Aug 7, 6:17 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 58 min |
| Aug 7, 6:23 PM EDT | Flash Flood Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 97 min |
| Aug 7, 6:30 PM EDT | Tornado Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 30 min |
| Aug 7, 6:50 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 55 min |
| Aug 7, 6:58 PM EDT | Flash Flood Warning | OKX | Nassau, Suffolk | 2 hr |
| Aug 7, 7:01 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 44 min |
| Aug 7, 7:07 PM EDT | Flash Flood Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 113 min |
| Aug 7, 7:26 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region | 49 min |
| Aug 7, 7:43 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 62 min |
| Aug 7, 8:06 PM EDT | Flash Flood Warning | BOX | Franklin, Hampden, Hampshire | 114 min |
| Aug 7, 8:35 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region | 25 min |
| Aug 7, 8:42 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 18 min |
| Aug 7, 8:45 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 60 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, 4.8 hours before the alert went out and 71 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
- 989 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 11:34 AM EDT | Mesoscale Discussion | SPC | 116 min | |
| Aug 7, 4:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
Nearby
Severe Thunderstorm Watches in New York, 2008Severe Thunderstorm Watches in Connecticut, 2008Severe Thunderstorm Watches in Massachusetts, 2008Every severe thunderstorm watch in 2008
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.