Alert archive / Connecticut / Tornado Warnings in 2023

Tornado Warning 14, NWS Boston/Norton, MA

September 13, 2023Northeastern Connecticut Planning Region, Connecticut; Providence County, Rhode Island

NWS Boston/Norton, MA issued this tornado warning at Sep 13, 2023, 4:09 PM EDT for Northeastern Connecticut Planning Region, Connecticut; Providence County, Rhode Island. It was in force for 36 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: Sep 13, 2023, 4:09 PM EDT (20:09 UTC)
Expired: Sep 13, 2023, 4:45 PM EDT
In force: 36 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

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

The radar

The Boston radar (KBOX), 51 km from the middle of the area, began a volume at 20:13 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
Sep 13, 4:20 PM EDT	TSTM WND DMG	3 Ese Foster, RI	Trees and wires downed on Winsor Road. Time estimated from radar.
Sep 13, 4:25 PM EDT	TSTM WND DMG	4 S Glocester, RI	Tree and wires downed on Bungy road in Glocester RI. Time estimated from radar.

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, 8.2 hours before the alert went out and 142 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: 488 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 876 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

573 
WFUS51 KBOX 132009
TORBOX
CTC015-RIC007-132045-
/O.NEW.KBOX.TO.W.0014.230913T2009Z-230913T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Boston/Norton MA
409 PM EDT Wed Sep 13 2023

The National Weather Service in Boston/Norton has issued a

* Tornado Warning for...
  East central Windham County in northern Connecticut...
  Western Providence County in Rhode Island...

* Until 445 PM EDT.
    
* At 409 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Foster, or 10 miles northeast of Plainfield,
  moving east at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Johnston, Smithfield, Scituate, Glocester, and Foster around 415 
  PM EDT.
  Cranston and Burrillville around 420 PM EDT.
  North Smithfield around 425 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4175 7184 4187 7188 4196 7153 4174 7153
TIME...MOT...LOC 2009Z 259DEG 21KT 4182 7178 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Loconto

3 follow-up statements

351 
WWUS51 KBOX 132021
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
421 PM EDT Wed Sep 13 2023

CTC015-132031-
/O.CAN.KBOX.TO.W.0014.000000T0000Z-230913T2045Z/
Windham CT-
421 PM EDT Wed Sep 13 2023

...THE TORNADO WARNING FOR EAST CENTRAL WINDHAM COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.

LAT...LON 4178 7176 4189 7179 4196 7153 4179 7153
TIME...MOT...LOC 2021Z 259DEG 21KT 4183 7169 

$$

RIC007-132045-
/O.CON.KBOX.TO.W.0014.000000T0000Z-230913T2045Z/
Providence RI-
421 PM EDT Wed Sep 13 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR WESTERN
PROVIDENCE COUNTY...
    
At 421 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Foster, or 8 miles west of Johnston, moving east at
25 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Johnston, Smithfield, Burrillville, North Smithfield, Scituate, 
  and Glocester around 425 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4178 7176 4189 7179 4196 7153 4179 7153
TIME...MOT...LOC 2021Z 259DEG 21KT 4183 7169 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Loconto

969 
WWUS51 KBOX 132028
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
428 PM EDT Wed Sep 13 2023

RIC007-132045-
/O.CON.KBOX.TO.W.0014.000000T0000Z-230913T2045Z/
Providence RI-
428 PM EDT Wed Sep 13 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR CENTRAL
PROVIDENCE COUNTY...
    
At 428 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Glocester, or near Johnston, moving east at 25 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Johnston, Smithfield, Burrillville, North Smithfield, Scituate, 
  and Glocester around 435 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4182 7170 4191 7171 4196 7153 4181 7153
TIME...MOT...LOC 2028Z 256DEG 21KT 4186 7164 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Loconto

323 
WWUS51 KBOX 132042
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
442 PM EDT Wed Sep 13 2023

RIC007-132052-
/O.EXP.KBOX.TO.W.0014.000000T0000Z-230913T2045Z/
Providence RI-
442 PM EDT Wed Sep 13 2023

...THE TORNADO WARNING FOR CENTRAL PROVIDENCE COUNTY WILL EXPIRE AT
445 PM EDT...
    
The Tornado Warning that was previously in effect has been reissued 
for northern Providence County. Please refer to that bulletin for 
the latest severe weather information.

LAT...LON 4182 7170 4191 7171 4196 7153 4181 7153
TIME...MOT...LOC 2042Z 259DEG 21KT 4187 7154 

$$

Loconto

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 13, 7:34 AM EDT	Special Weather Statement	BOX		56 min
Sep 13, 7:50 AM EDT	Flash Flood Warning	BOX	Capitol Planning Region	4 hr
Sep 13, 8:25 AM EDT	Special Weather Statement	BOX		65 min
Sep 13, 8:36 AM EDT	Severe Thunderstorm Warning	BOX	Capitol Planning Region	54 min
Sep 13, 9:23 AM EDT	Flash Flood Warning	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	3 hr
Sep 13, 10:21 AM EDT	Special Weather Statement	BOX		54 min
Sep 13, 10:31 AM EDT	Flash Flood Warning	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	3 hr
Sep 13, 10:51 AM EDT	Severe Thunderstorm Warning	BOX	Northeastern Connecticut Planning Region	54 min
Sep 13, 11:41 AM EDT	Special Weather Statement	BOX		64 min
Sep 13, 11:48 AM EDT	Areal Flood Warning	BOX	Capitol Planning Region	4 hr
Sep 13, 2:44 PM EDT	Flash Flood Warning	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	3 hr
Sep 13, 3:34 PM EDT	Special Weather Statement	BOX		56 min
Sep 13, 5:45 PM EDT	Flash Flood Warning	BOX	Northeastern Connecticut Planning Region	3 hr
Sep 13, 6:43 PM EDT	Flash Flood Warning Considerable damage threat	BOX	Northeastern Connecticut Planning Region	2 hr
Sep 13, 12:14 PM EDT	Flash Flood Warning Considerable damage threat	BOX	Bristol, Kent, Providence	105 min
Sep 13, 4:41 PM EDT	Tornado Warning	BOX	Providence	34 min
Sep 13, 5:00 PM EDT	Tropical Storm Watch	BOX	Bristol, Newport, Washington	24 hr
Sep 13, 5:12 PM EDT	Tornado Warning	BOX	Providence	33 min
Sep 13, 5:55 PM EDT	Tornado Warning	BOX	Providence	35 min

Nearby

Tornado Warnings in Connecticut, 2023 Tornado Warnings in Rhode Island, 2023 Every tornado warning in 2023 Tornadoes in 2023

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.