Alert archive / Connecticut / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 99, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 13, 2016, 3:41 PM EDT for Northeastern Connecticut Planning Region, Connecticut; Providence County, Rhode Island. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 13, 2016, 3:41 PM EDT (19:41 UTC)
- Expired
- Aug 13, 2016, 4:15 PM EDT
- In force
- 34 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, Providence County, RI
The radar
The Boston radar (KBOX), 59 km from the middle of the area, began a volume at 19:44 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.7 hours before the alert went out and 138 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
- 1991 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
341 WUUS51 KBOX 131941 SVRBOX CTC015-RIC007-132015- /O.NEW.KBOX.SV.W.0099.160813T1941Z-160813T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 341 PM EDT SAT AUG 13 2016 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL WINDHAM COUNTY IN NORTHERN CONNECTICUT... WESTERN PROVIDENCE COUNTY IN RHODE ISLAND... * UNTIL 415 PM EDT * AT 341 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER KILLINGLY...OR 11 MILES NORTH OF PLAINFIELD...MOVING EAST AT 20 MPH. HAZARD...60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. * LOCATIONS IMPACTED INCLUDE... KILLINGLY...BURRILLVILLE...SCITUATE...GLOCESTER...PUTNAM... THOMPSON...BROOKLYN...WOODSTOCK...FOSTER...POMFRET AND STERLING. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 4179 7194 4192 7197 4196 7166 4174 7166 TIME...MOT...LOC 1941Z 268DEG 17KT 4185 7184 HAIL...<.75IN WIND...60MPH $$ NOCERA
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 8:26 PM EDT | Special Weather Statement | BOX | 49 min | |
| Aug 12, 9:00 PM EDT | Special Weather Statement | BOX | 30 min | |
| Aug 13, 4:31 AM EDT | Excessive Heat Warning | BOX | Capitol Planning Region | 14 hr |
| Aug 13, 4:09 PM EDT | Heat Advisory | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 27 hr |
| Aug 13, 4:34 PM EDT | Areal Flood Advisory | BOX | Northeastern Connecticut Planning Region | 116 min |
| Aug 12, 11:07 PM EDT | Special Weather Statement | BOX | Washington | 38 min |
| Aug 12, 11:46 PM EDT | Special Weather Statement | BOX | Washington | 44 min |
| Aug 13, 1:30 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Kent | 30 min |
| Aug 13, 5:04 PM EDT | Special Weather Statement | BOX | Providence | 26 min |
| Aug 13, 6:38 PM EDT | Areal Flood Advisory | BOX | Providence | 52 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2016Severe Thunderstorm Warnings in Rhode Island, 2016Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.