Alert archive / Connecticut / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 71, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2021, 6:49 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 56 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
- Jun 30, 2021, 6:49 PM EDT (22:49 UTC)
- Expired
- Jun 30, 2021, 7:45 PM EDT
- In force
- 56 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
The radar
The Brookhaven radar (KOKX), 114 km from the middle of the area, began a volume at 22:48 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 |
|---|---|---|---|
| Jun 30, 7:32 PM EDT | TSTM WND DMG | 1 Nne Harwinton, CT | LOCAL LAW ENFORCEMENT RECEIVED MULTIPLE REPORTS OF TREES AND WIRES DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 30, 3:21 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.8 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
- 113 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 1162 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
598
WUUS51 KALY 302249
SVRALY
CTC005-302345-
/O.NEW.KALY.SV.W.0071.210630T2249Z-210630T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
649 PM EDT Wed Jun 30 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Northern Litchfield County in northern Connecticut...
* Until 745 PM EDT.
* At 648 PM EDT, a severe thunderstorm was located near Cornwall
Bridge, or 12 miles west of Torrington, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Torrington, New Hartford, Northwest Harwinton, Cornwall Bridge,
Winsted, New Hartford Center, Barkhamsted, Goshen, Cornwall, South
Norfolk, West Torrington, Torringford, Mooreville, Kelly Corner,
Mill Brook, West Goshen, Beech Rock, Wrightville, Cornwall Bridge
Pottery and Lime Rock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
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 4190 7294 4185 7295 4184 7294
4181 7295 4180 7302 4177 7301 4181 7345
4193 7345 4200 7302 4197 7303 4197 7289
TIME...MOT...LOC 2248Z 265DEG 26KT 4187 7337
HAIL...0.75IN
WIND...60MPH
$$
KSL1 follow-up statement
791
WWUS51 KALY 302253 RRA
SVSALY
Severe Weather Statement
National Weather Service Albany NY
653 PM EDT Wed Jun 30 2021
CTC005-302345-
/O.CON.KALY.SV.W.0071.000000T0000Z-210630T2345Z/
Litchfield CT-
653 PM EDT Wed Jun 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHERN LITCHFIELD COUNTY...
At 653 PM EDT, a severe thunderstorm was located near Cornwall
Bridge, or 10 miles west of Torrington, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Torrington, New Hartford, Northwest Harwinton, Cornwall Bridge,
Winsted, New Hartford Center, Barkhamsted, Goshen, Cornwall, South
Norfolk, West Torrington, Torringford, Mooreville, Kelly Corner, Mill
Brook, West Goshen, Beech Rock, Wrightville, Cornwall Bridge Pottery
and Lime Rock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4190 7291 4190 7294 4185 7295 4184 7294
4181 7295 4180 7302 4177 7301 4181 7345
4193 7345 4200 7302 4197 7303 4197 7289
TIME...MOT...LOC 2253Z 265DEG 26KT 4187 7332
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
KSLThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 9:58 PM EDT | Special Weather Statement | ALY | 47 min | |
| Jun 30, 6:12 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 48 min |
| Jun 30, 6:38 PM EDT | Special Weather Statement | ALY | 37 min | |
| Jun 30, 6:58 PM EDT | Areal Flood Advisory | ALY | Northwest Hills Planning Region | 107 min |
| Jun 30, 7:08 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 67 min |
| Jun 30, 7:35 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 40 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.