Alert archive / Connecticut / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 66, NWS Boston/Norton, MA

July 22, 2016Northeastern Connecticut Planning Region, Connecticut; Kent County, Providence County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 22, 2016, 10:27 PM EDT for Northeastern Connecticut Planning Region, Connecticut; Kent County, Providence County, Rhode Island. It was in force for 48 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: Jul 22, 2016, 10:27 PM EDT (02:27 UTC)
Expired: Jul 22, 2016, 11:15 PM EDT
In force: 48 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Northeastern Connecticut Planning Region, CT, Kent County, RI, Providence County, RI

The radar

The Boston radar (KBOX), 70 km from the middle of the area, began a volume at 02:28 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
Jul 22, 10:55 PM EDT	TSTM WND DMG	Dayville, CT	TREES AND WIRES DOWN ON RT. 101
Jul 22, 10:55 PM EDT	TSTM WND DMG	Killingly, CT	LARGE LIMBS DOWN ON WILLIAMSVILLE RD.

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 00:00Z, 2.5 hours before the alert went out and 125 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: 1338 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1096 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 180 m²/s²
0-3 km storm-relative helicity: 252 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

As transmitted.

110 
WUUS51 KBOX 230227
SVRBOX
CTC013-015-RIC003-007-230315-
/O.NEW.KBOX.SV.W.0066.160723T0227Z-160723T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1027 PM EDT FRI JUL 22 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WINDHAM COUNTY IN NORTHERN CONNECTICUT...
  EAST CENTRAL TOLLAND COUNTY IN NORTHERN CONNECTICUT...
  WEST CENTRAL KENT COUNTY IN RHODE ISLAND...
  SOUTHWESTERN PROVIDENCE COUNTY IN RHODE ISLAND...

* UNTIL 1115 PM EDT

* AT 1026 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  CHAPLIN...OR NEAR MANSFIELD...MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  JOHNSTON...MANSFIELD...WINDHAM...PLAINFIELD...KILLINGLY...
  COVENTRY...SCITUATE...PUTNAM...BROOKLYN...WEST GREENWICH...
  WILLINGTON...CANTERBURY...FOSTER...ASHFORD...POMFRET...STERLING...
  CHAPLIN...HAMPTON...EASTFORD AND SCOTLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4164 7187 4178 7233 4193 7220 4181 7152
      4164 7179
TIME...MOT...LOC 0226Z 285DEG 37KT 4182 7212 

HAIL...0.75IN
WIND...60MPH
 
$$

FRANK

1 follow-up statement

698 
WWUS51 KBOX 230249
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1049 PM EDT FRI JUL 22 2016

CTC013-230258-
/O.CAN.KBOX.SV.W.0066.000000T0000Z-160723T0315Z/
TOLLAND CT-
1049 PM EDT FRI JUL 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TOLLAND COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 4174 7220 4176 7218 4175 7216 4177 7216
      4189 7200 4181 7152 4164 7179 4164 7184
      4165 7184 4164 7187
TIME...MOT...LOC 0248Z 282DEG 39KT 4182 7190 

$$

CTC015-RIC003-007-230315-
/O.CON.KBOX.SV.W.0066.000000T0000Z-160723T0315Z/
WINDHAM CT-KENT RI-PROVIDENCE RI-
1049 PM EDT FRI JUL 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR SOUTHERN WINDHAM...WEST CENTRAL KENT AND SOUTHWESTERN PROVIDENCE
COUNTIES...

AT 1048 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
KILLINGLY...OR 8 MILES NORTH OF PLAINFIELD...MOVING EAST AT 40 MPH.

HAZARD...70 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
COVENTRY...JOHNSTON...MANSFIELD...WINDHAM...PLAINFIELD...KILLINGLY...
SCITUATE...PUTNAM...BROOKLYN...WEST GREENWICH...CANTERBURY...
FOSTER...POMFRET...STERLING...CHAPLIN...HAMPTON...
EASTFORD AND SCOTLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4174 7220 4176 7218 4175 7216 4177 7216
      4189 7200 4181 7152 4164 7179 4164 7184
      4165 7184 4164 7187
TIME...MOT...LOC 0248Z 282DEG 39KT 4182 7190 

HAIL...0.75IN
WIND...70MPH
 
$$

FRANK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 8:18 PM EDT	Special Weather Statement	BOX		42 min
Jul 22, 8:44 PM EDT	Special Weather Statement	BOX		61 min
Jul 22, 9:06 PM EDT	Severe Thunderstorm Warning	BOX	Northeastern Connecticut Planning Region	39 min
Jul 22, 9:47 PM EDT	Severe Thunderstorm Warning	BOX	Northeastern Connecticut Planning Region	43 min
Jul 22, 9:53 PM EDT	Special Weather Statement	BOX		52 min
Jul 22, 9:57 PM EDT	Severe Thunderstorm Warning	BOX	Capitol Planning Region	48 min
Jul 22, 11:06 PM EDT	Severe Thunderstorm Warning	BOX	Northeastern Connecticut Planning Region	54 min
Jul 23, 6:10 PM EDT	Special Weather Statement	BOX		50 min
Jul 22, 8:25 PM EDT	Severe Thunderstorm Warning	BOX	Providence	65 min
Jul 22, 8:44 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Providence	46 min
Jul 22, 9:27 PM EDT	Special Weather Statement	BOX	Bristol	48 min
Jul 22, 10:25 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Providence, Washington	65 min
Jul 22, 11:55 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Newport, Washington	50 min
Jul 23, 12:12 AM EDT	Special Weather Statement	BOX	Kent, Newport	48 min
Jul 23, 7:50 PM EDT	Special Weather Statement	BOX	Bristol	40 min
Jul 23, 7:54 PM EDT	Special Weather Statement	BOX	Bristol, Providence	51 min
Jul 23, 7:57 PM EDT	Special Weather Statement	BOX	Bristol, Providence	48 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2016 Severe Thunderstorm Warnings in Rhode Island, 2016 Every severe thunderstorm warning in 2016

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.