Alert archive / Connecticut / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 121, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 11, 2016, 8:55 AM EDT for Capitol Planning Region, Connecticut. It was in force for 50 min. 1 report 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 11, 2016, 8:55 AM EDT (12:55 UTC)
- Expired
- Sep 11, 2016, 9:45 AM EDT
- In force
- 50 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Capitol Planning Region, CT
The radar
The Brookhaven radar (KOKX), 120 km from the middle of the area, began a volume at 12:57 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 11, 9:22 AM EDT | TSTM WND DMG | Windsor Locks, CT | TREE DOWN ACROSS NORTH STREET BLOCKING ROAD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 0.9 hours before the alert went out and 119 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
- 4 J/kg
- Mixed-layer CIN
- -206 J/kg
- Mixed-layer LCL
- 819 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -239 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.9
The text
As transmitted.
796
WUUS51 KBOX 111255
SVRBOX
CTC003-013-111345-
/O.NEW.KBOX.SV.W.0121.160911T1255Z-160911T1345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
855 AM EDT SUN SEP 11 2016
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN TOLLAND COUNTY IN NORTHERN CONNECTICUT...
HARTFORD COUNTY IN NORTHERN CONNECTICUT...
* UNTIL 945 AM EDT
* AT 854 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR HARTLAND TO NEAR NEW HARTFORD CENTER TO NEAR
LITCHFIELD...MOVING NORTHEAST AT 55 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
HARTFORD...NEW BRITAIN...WEST HARTFORD...BRISTOL...MANCHESTER...
EAST HARTFORD...ENFIELD...GLASTONBURY...NEWINGTON...VERNON...
WINDSOR...AGAWAM...WETHERSFIELD...SOUTH WINDSOR...FARMINGTON...
SIMSBURY...BLOOMFIELD...AVON...SUFFIELD AND ELLINGTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4204 7301 4204 7281 4200 7281 4200 7277
4204 7275 4204 7264 4202 7260 4203 7254
4203 7218 4174 7243 4169 7299 4180 7302
4181 7295 4188 7295 4190 7291 4197 7289
4197 7303
TIME...MOT...LOC 1254Z 245DEG 49KT 4201 7291 4183 7301 4171 7316
HAIL...<.75IN
WIND...60MPH
$$
SIPPRELLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 9:40 AM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.