Alert archive / Connecticut / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 147, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Aug 12, 2021, 5:28 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 32 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
- Aug 12, 2021, 5:28 PM EDT (21:28 UTC)
- Expired
- Aug 12, 2021, 6:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
The radar
The Brookhaven radar (KOKX), 114 km from the middle of the area, began a volume at 21:28 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 |
|---|---|---|---|
| Aug 12, 5:43 PM EDT | TSTM WND DMG | 2 Ne Winsted, CT | MULTIPLE TREES DOWN ALONG HUNTINGTON ROAD, ONE ON A HOUSE, ONE ON POWER LINES, ONE ON A DRIVEWAY AND A FEW IN A YARD AT THE TOP OF THE HILL |
| Aug 12, 5:46 PM EDT | TSTM WND DMG | 2 Ne Winsted, CT | TREE DOWN ON WIRES AT WALLENS HILL ROAD AND RAMS GATE 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, 9.5 hours before the alert went out and 111 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
- 58 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
587
WUUS51 KALY 122128
SVRALY
CTC005-122200-
/O.NEW.KALY.SV.W.0147.210812T2128Z-210812T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
528 PM EDT Thu Aug 12 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Northern Litchfield County in northern Connecticut...
* Until 600 PM EDT.
* At 528 PM EDT, a severe thunderstorm was located over Norfolk, or
10 miles north of Torrington, moving east at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Torrington, New Hartford, Norfolk, Cornwall Bridge, Winsted, New
Hartford Center, Northwest Harwinton, Barkhamsted, Goshen,
Colebrook, Cornwall, South Norfolk, West Torrington, Torringford,
South Canaan, Mooreville, Kelly Corner, Mill Brook, West Goshen and
Beech Rock.
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.
&&
Please report hail size...damaging winds and reports of trees down to
the National Weather Service by email at Alb.Stormreport@noaa.gov...
On Facebook at www.facebook.com/nwsalbany or twitter @nwsalbany
LAT...LON 4190 7291 4189 7294 4185 7295 4184 7294
4183 7294 4181 7295 4180 7296 4179 7302
4180 7337 4187 7347 4204 7322 4204 7301
4197 7303 4197 7289
TIME...MOT...LOC 2128Z 274DEG 39KT 4198 7315
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NAS1 follow-up statement
555
WWUS51 KALY 122149
SVSALY
Severe Weather Statement
National Weather Service Albany NY
549 PM EDT Thu Aug 12 2021
CTC005-122200-
/O.CON.KALY.SV.W.0147.000000T0000Z-210812T2200Z/
Litchfield CT-
549 PM EDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHEASTERN LITCHFIELD COUNTY...
At 549 PM EDT, a severe thunderstorm was located over Granby, or 10
miles northwest of Windsor, moving east at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Torrington, New Hartford, Norfolk, Winsted, New Hartford Center,
Northwest Harwinton, Barkhamsted, Goshen, Colebrook, South Norfolk,
West Torrington, Torringford, Mooreville, Nepaug, North Colebrook,
Riverton, Kelly Corner, Mill Brook, West Goshen and Beech Rock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4190 7291 4189 7294 4185 7295 4184 7294
4183 7294 4181 7295 4180 7296 4179 7302
4180 7325 4189 7330 4204 7320 4204 7301
4197 7303 4197 7289
TIME...MOT...LOC 2149Z 274DEG 39KT 4196 7284
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NASThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 4:00 PM EDT | Heat Advisory | ALY | Northwest Hills Planning Region | 28 hr |
| Aug 12, 5:08 PM EDT | Special Weather Statement | ALY | 52 min | |
| Aug 12, 6:00 PM EDT | Special Weather Statement | ALY | 30 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2021Every severe thunderstorm warning in 2021
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.