Alert archive / New York / Tornado Watches in 2010

Tornado Watch 262

June 5, 20105 states

The Storm Prediction Center issued this tornado watch at Jun 5, 2010, 1:00 PM EDT for 5 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 5, 2010, 1:00 PM EDT (17:00 UTC)
Expired
Jun 5, 2010, 8:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 40 counties

Northwest Hills Planning Region, CT, Berkshire County, MA, Albany County, NY, Clinton County, NY, Columbia County, NY, Delaware County, NY, Dutchess County, NY, Essex County, NY, Franklin County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Montgomery County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, St. Lawrence County, NY, Sullivan County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Pike County, PA, Wayne County, PA, 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 Albany radar (KENX), 112 km from the middle of the area, began a volume at 17:03 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
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
40%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 5, 1:01 PM EDTSevere Thunderstorm WarningBTVChittenden, Franklin, Grand Isle, Lamoille, Orleans59 min
Jun 5, 1:25 PM EDTSevere Thunderstorm WarningALYMontgomery, Saratoga, Schenectady50 min
Jun 5, 1:58 PM EDTSevere Thunderstorm WarningALYBerkshire62 min
Jun 5, 2:23 PM EDTSevere Thunderstorm WarningBTVCaledonia, Essex, Lamoille, Orleans, Washington67 min
Jun 5, 2:45 PM EDTSevere Thunderstorm WarningALYBerkshire53 min
Jun 5, 3:08 PM EDTSevere Thunderstorm WarningALYNorthwest Hills Planning Region31 min
Jun 5, 3:44 PM EDTSevere Thunderstorm WarningALYAlbany, Montgomery, Schenectady, Schoharie46 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, 5.0 hours before the alert went out and 100 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.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2010-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 100 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2010-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
100 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
885 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 1:42 PM EDTTornado WatchSPCCapitol Planning Region, Northeastern Connecticut Planning Region6 hr
Jun 5, 3:12 PM EDTMesoscale DiscussionSPC63 min
Jun 5, 7:30 PM EDTMesoscale DiscussionSPC60 min
Jun 5, 12:17 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampshire, Worcester58 min
Jun 5, 8:51 AM EDTMesoscale DiscussionSPCAllegheny, Beaver, Greene, Washington114 min
Jun 5, 1:35 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more85 min
Jun 5, 2:08 PM EDTSevere Thunderstorm WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more6 hr
Jun 5, 3:13 PM EDTTornado WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more4 hr
Jun 5, 7:14 PM EDTMesoscale DiscussionSPCGreene61 min

Nearby

Tornado Watches in New York, 2010Tornado Watches in Vermont, 2010Tornado Watches in Pennsylvania, 2010Every tornado watch in 2010

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.