Alert archive / Connecticut / Tornado Warnings in 2010

Tornado Warning 2, NWS Boston/Norton, MA

June 10, 2010Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this tornado warning at Jun 10, 2010, 7:04 PM EDT for Northeastern Connecticut Planning Region, Connecticut. It was in force for 26 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 10, 2010, 7:04 PM EDT (23:04 UTC)
Expired: Jun 10, 2010, 7:30 PM EDT
In force: 26 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon

County Northeastern Connecticut Planning Region, CT

The radar

The Boston radar (KBOX), 77 km from the middle of the area, began a volume at 23:06 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 was reported inside it

Time	Report	Where	Remark
Jun 10, 7:15 PM EDT	TSTM WND DMG	Plainfield, CT	TREES DOWN ON MAJOR DRIVE AND GENDON STREET. ROTATION IN THE CLOUDS WAS OBSERVED AT THAT LOCATION.
Jun 10, 7:20 PM EDT	TSTM WND DMG	Plainfield, CT	TREES DOWN ON FOREST STREET AND FOX ROAD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.1 hours before the alert went out and 118 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 503 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: -119 m²/s²
0-3 km storm-relative helicity: -95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

136 
WFUS51 KBOX 102304
TORBOX
CTC015-102330-
/O.NEW.KBOX.TO.W.0002.100610T2304Z-100610T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
704 PM EDT THU JUN 10 2010

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN WINDHAM COUNTY IN NORTHERN CONNECTICUT...
  THIS INCLUDES THE CITY OF PLAINFIELD...

* UNTIL 730 PM EDT

* AT 702 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HAMPTON...
  OR 8 MILES NORTHWEST OF PLAINFIELD...MOVING SOUTHEAST AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...CANTERBURY.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS A
TORNADO MAY ALREADY BE ON THE GROUND OR IS EXPECTED TO DEVELOP
SHORTLY. TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE
OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4164 7205 4178 7212 4184 7194 4164 7182
      4163 7197
TIME...MOT...LOC 2304Z 334DEG 34KT 4175 7201

$$
EKSTER

1 follow-up statement

403 
WWUS51 KBOX 102325
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
725 PM EDT THU JUN 10 2010

CTC015-102335-
/O.EXP.KBOX.TO.W.0002.000000T0000Z-100610T2330Z/
WINDHAM CT-
725 PM EDT THU JUN 10 2010

...THE TORNADO WARNING FOR SOUTHERN WINDHAM COUNTY WILL EXPIRE AT 730
PM EDT...

LAT...LON 4164 7205 4178 7212 4184 7194 4164 7182
      4163 7197
TIME...MOT...LOC 2325Z 334DEG 34KT 4157 7190

$$
MEKSTER

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 3:17 PM EDT	Special Weather Statement	BOX		58 min
Jun 10, 3:54 PM EDT	Special Weather Statement	BOX		66 min
Jun 10, 4:08 PM EDT	Areal Flood Advisory	BOX	Capitol Planning Region	52 min
Jun 10, 6:28 PM EDT	Severe Thunderstorm Warning	BOX	Northeastern Connecticut Planning Region	47 min
Jun 10, 6:59 PM EDT	Severe Thunderstorm Warning	BOX	Northeastern Connecticut Planning Region	46 min

Nearby

Tornado Warnings in Connecticut, 2010 Every tornado warning in 2010 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.