Alert archive / Connecticut / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 73, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2021, 7:35 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 40 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
- Jun 30, 2021, 7:35 PM EDT (23:35 UTC)
- Expired
- Jun 30, 2021, 8:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
The radar
The Brookhaven radar (KOKX), 82 km from the middle of the area, began a volume at 23:38 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, 7:41 PM EDT | TSTM WND DMG | Bridgewater, CT | LARGE TREE LIMBS AND BRANCHES WERE DOWNED |
| Jun 30, 7:55 PM EDT | TSTM WND DMG | Woodbury Center, CT | LOCAL LAW ENFORCEMENT RECEIVED A FEW REPORTS OF DOWNED TREES ON WIRES |
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
Brookhaven, NY (KOKX), launched 12:00Z, 11.6 hours before the alert went out and 82 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
- 658 J/kg
- Mixed-layer CIN
- -190 J/kg
- Mixed-layer LCL
- 1595 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
034
WUUS51 KALY 302335
SVRALY
CTC005-010030-
/O.NEW.KALY.SV.W.0073.210630T2335Z-210701T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
735 PM EDT Wed Jun 30 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Southern Litchfield County in northern Connecticut...
* Until 830 PM EDT.
* At 734 PM EDT, a severe thunderstorm was located near Sherman,
moving east at 35 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...
New Milford, Woodbury Center, Oakville, Watertown, Woodbury,
Roxbury, Bridgewater, Candlewood Springs, Hotchkissville, Hancock,
River Road Reserve, Candlewood Trails, Pomeraug, Birch Groves, Mead
Corners, Delano Field, Allentown, Minortown, Kinneys Corners and
Candlewood Point.
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 4147 7332 4149 7337 4151 7339 4149 7344
4152 7344 4159 7347 4165 7299 4164 7299
4163 7302 4161 7302 4161 7306 4159 7306
4159 7308 4157 7309 4156 7316 4151 7317
4151 7332 4149 7333
TIME...MOT...LOC 2334Z 268DEG 31KT 4155 7345
HAIL...1.00IN
WIND...60MPH
$$
KSL1 follow-up statement
258
WWUS51 KALY 010015
SVSALY
Severe Weather Statement
National Weather Service Albany NY
815 PM EDT Wed Jun 30 2021
CTC005-010025-
/O.CAN.KALY.SV.W.0073.000000T0000Z-210701T0030Z/
Litchfield CT-
815 PM EDT Wed Jun 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN LITCHFIELD COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northern Connecticut.
LAT...LON 4147 7332 4149 7337 4151 7339 4149 7344
4152 7344 4159 7347 4165 7299 4164 7299
4163 7302 4161 7302 4161 7306 4159 7306
4159 7308 4157 7309 4156 7316 4151 7317
4151 7332 4149 7333
TIME...MOT...LOC 0014Z 268DEG 31KT 4156 7297
$$
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, 6:49 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 56 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 |
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.