Alert archive / Connecticut / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 43, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 18, 2016, 3:56 PM EDT for Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It was in force for 64 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
- Jul 18, 2016, 3:56 PM EDT (19:56 UTC)
- Expired
- Jul 18, 2016, 5:00 PM EDT
- In force
- 64 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT
The radar
The Boston radar (KBOX), 101 km from the middle of the area, began a volume at 19:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 18, 12:05 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.9 hours before the alert went out and 103 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
- 1 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1554 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
262
WUUS51 KBOX 181956
SVRBOX
CTC003-013-015-182100-
/O.NEW.KBOX.SV.W.0043.160718T1956Z-160718T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
356 PM EDT MON JUL 18 2016
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT...
SOUTHERN TOLLAND COUNTY IN NORTHERN CONNECTICUT...
SOUTHEASTERN HARTFORD COUNTY IN NORTHERN CONNECTICUT...
* UNTIL 500 PM EDT
* AT 356 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
GLASTONBURY... 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...
HARTFORD...WEST HARTFORD...MANCHESTER...EAST HARTFORD...
GLASTONBURY...NEWINGTON...VERNON...WETHERSFIELD...MANSFIELD...
WINDHAM...ROCKY HILL...WILLIMANTIC...COVENTRY...HEBRON...
BROOKLYN...MARLBOROUGH...WILLINGTON...COLUMBIA...
CANTERBURY AND BOLTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4188 7201 4163 7196 4166 7213 4166 7216
4171 7224 4169 7227 4167 7227 4164 7233
4161 7233 4160 7234 4160 7248 4165 7251
4163 7270 4177 7272
TIME...MOT...LOC 1956Z 264DEG 30KT 4169 7261
HAIL...0.75IN
WIND...60MPH
$$
FIELD1 follow-up statement
007
WWUS51 KBOX 182019
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
419 PM EDT MON JUL 18 2016
CTC003-182028-
/O.CAN.KBOX.SV.W.0043.000000T0000Z-160718T2100Z/
HARTFORD CT-
419 PM EDT MON JUL 18 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HARTFORD COUNTY
IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
HARTFORD COUNTY. THEREFORE...THE WARNING FOR HARTFORD COUNTY HAS
BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTHERN CONNECTICUT.
LAT...LON 4167 7244 4180 7245 4188 7201 4164 7196
4166 7213 4166 7216 4171 7224 4169 7227
4167 7227 4165 7233 4161 7236 4160 7234
4160 7238
TIME...MOT...LOC 2018Z 264DEG 36KT 4171 7232
$$
CTC013-015-182100-
/O.CON.KBOX.SV.W.0043.000000T0000Z-160718T2100Z/
WINDHAM CT-TOLLAND CT-
419 PM EDT MON JUL 18 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR SOUTHWESTERN WINDHAM AND SOUTHERN TOLLAND COUNTIES...
AT 418 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER COLUMBIA...OR
7 MILES SOUTHWEST OF MANSFIELD...MOVING EAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
MANSFIELD...WINDHAM...WILLIMANTIC...COVENTRY...HEBRON...BROOKLYN...
WILLINGTON...COLUMBIA...CANTERBURY...BOLTON...ASHFORD...POMFRET...
ANDOVER...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 4167 7244 4180 7245 4188 7201 4164 7196
4166 7213 4166 7216 4171 7224 4169 7227
4167 7227 4165 7233 4161 7236 4160 7234
4160 7238
TIME...MOT...LOC 2018Z 264DEG 36KT 4171 7232
HAIL...0.75IN
WIND...60MPH
$$
FIELDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 2:41 PM EDT | Special Weather Statement | BOX | 49 min | |
| Jul 18, 3:14 PM EDT | Special Weather Statement | BOX | 46 min | |
| Jul 18, 3:22 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 38 min |
| Jul 18, 4:42 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 18 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 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.