Alert archive / Connecticut / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 47, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jul 8, 2021, 2:00 PM EDT for Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut. It was in force for 45 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 8, 2021, 2:00 PM EDT (18:00 UTC)
- Expired
- Jul 8, 2021, 2:45 PM EDT
- In force
- 45 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Greater Bridgeport Planning Region, CT, Naugatuck Valley Planning Region, CT
The radar
The Brookhaven radar (KOKX), 77 km from the middle of the area, began a volume at 17:59 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.0 hours before the alert went out and 77 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
- 973 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 751 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
723
WUUS51 KOKX 081800
SVROKX
CTC001-009-081845-
/O.NEW.KOKX.SV.W.0047.210708T1800Z-210708T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
200 PM EDT Thu Jul 8 2021
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
Central Fairfield County in southern Connecticut...
Northwestern New Haven County in southern Connecticut...
* Until 245 PM EDT.
* At 159 PM EDT, a severe thunderstorm was located over Danbury,
moving east at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* This severe thunderstorm will be near...
Brookfield around 205 PM EDT.
Bethel around 210 PM EDT.
Redding around 220 PM EDT.
Newtown around 225 PM EDT.
Shelton and Southbury around 245 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado is possible with this storm.
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 4155 7310 4128 7307 4130 7355 4149 7353
4150 7344 4149 7344 4151 7339 4149 7337
4147 7331 4149 7333 4151 7332 4151 7316
4154 7316
TIME...MOT...LOC 1759Z 265DEG 15KT 4140 7346
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
$$
NV1 follow-up statement
554
WWUS51 KOKX 081840
SVSOKX
Severe Weather Statement
National Weather Service New York NY
240 PM EDT Thu Jul 8 2021
CTC001-009-081849-
/O.EXP.KOKX.SV.W.0047.000000T0000Z-210708T1845Z/
Fairfield CT-New Haven CT-
240 PM EDT Thu Jul 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FAIRFIELD AND
NORTHWESTERN NEW HAVEN COUNTIES WILL EXPIRE AT 245 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
However wind gusts in excess of 40 mph, pea size hail, and heavy
rain are still possible with this thunderstorm as it moves east
through northern New haven County.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern Connecticut...and southeastern New York.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Upton NY.
LAT...LON 4155 7310 4128 7307 4130 7355 4149 7353
4150 7344 4149 7344 4151 7339 4149 7337
4147 7331 4149 7333 4151 7332 4151 7316
4154 7316
TIME...MOT...LOC 1839Z 265DEG 15KT 4141 7324
$$
NVThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:25 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region | 35 min |
| Jul 7, 9:06 PM EDT | Special Weather Statement | OKX | 39 min | |
| Jul 7, 9:41 PM EDT | Special Weather Statement | OKX | 49 min | |
| Jul 8, 12:29 AM EDT | Special Weather Statement | OKX | 46 min | |
| Jul 8, 12:49 AM EDT | Special Weather Statement | OKX | 41 min | |
| Jul 8, 1:26 AM EDT | Special Weather Statement | OKX | 49 min | |
| Jul 8, 1:30 AM EDT | Special Weather Statement | OKX | 45 min | |
| Jul 8, 2:24 AM EDT | Special Weather Statement | OKX | 51 min | |
| Jul 8, 5:08 AM EDT | Tropical Storm Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region | 33 hr |
| Jul 8, 2:45 PM EDT | Special Weather Statement | OKX | 45 min | |
| Jul 8, 3:15 PM EDT | Flash Flood Warning | OKX | Greater Bridgeport Planning Region | 3 hr |
| Jul 8, 4:06 PM EDT | Special Weather Statement | OKX | 39 min | |
| Jul 8, 4:22 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 3 hr |
| Jul 8, 4:53 PM EDT | Special Weather Statement | OKX | 52 min | |
| Jul 8, 6:15 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region | 3 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.