Alert archive / Connecticut / Tornado Warnings in 2020
Tornado Warning 2, NWS New York, NY
NWS New York, NY issued this tornado warning at Aug 4, 2020, 1:38 PM EDT for Greater Bridgeport Planning Region, Connecticut. It was in force for 37 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
- Aug 4, 2020, 1:38 PM EDT (17:38 UTC)
- Expired
- Aug 4, 2020, 2:15 PM EDT
- In force
- 37 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
The radar
The Brookhaven radar (KOKX), 69 km from the middle of the area, began a volume at 17:39 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 4, 1:40 PM EDT | WATERSPOUT | Westport, CT | WATERSPOUT SEEN APPROACHING LAND FROM THE SOUND SHORE IN WESTPORT |
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 |
|---|---|---|---|
| Aug 4, 7:23 AM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 5.6 hours before the alert went out and 69 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
- 1593 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 7.4
The text
As transmitted.
084
WFUS51 KOKX 041738
TOROKX
CTC001-041815-
/O.NEW.KOKX.TO.W.0002.200804T1738Z-200804T1815Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New York NY
138 PM EDT Tue Aug 4 2020
The National Weather Service in Upton NY has issued a
* Tornado Warning for...
Central Fairfield County in southern Connecticut...
* Until 215 PM EDT.
* At 138 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Norwalk, moving north at 70 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
New Canaan and Wilton around 145 PM EDT.
Ridgefield and Weston around 150 PM EDT.
Redding around 155 PM EDT.
Danbury and Bethel around 200 PM EDT.
Brookfield around 205 PM EDT.
New Fairfield around 210 PM EDT.
Sherman around 215 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4150 7344 4151 7341 4112 7330 4109 7334
4105 7338 4104 7341 4120 7350 4121 7348
4130 7355 4156 7353 4158 7347
TIME...MOT...LOC 1738Z 163DEG 59KT 4106 7336
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Goodman1 follow-up statement
684
WWUS51 KOKX 041756
SVSOKX
Severe Weather Statement
National Weather Service New York NY
156 PM EDT Tue Aug 4 2020
CTC001-041815-
/O.CON.KOKX.TO.W.0002.000000T0000Z-200804T1815Z/
Fairfield CT-
156 PM EDT Tue Aug 4 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR CENTRAL
FAIRFIELD COUNTY...
At 156 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Danbury, moving northwest at 75 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
New Fairfield around 205 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4130 7345 4127 7352 4131 7355 4151 7353
TIME...MOT...LOC 1756Z 157DEG 74KT 4135 7352
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
GoodmanThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 9:33 PM EDT | Special Weather Statement | OKX | 57 min | |
| Aug 3, 9:45 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 60 min |
| Aug 3, 10:40 PM EDT | Special Weather Statement | OKX | 65 min | |
| Aug 4, 2:05 PM EDT | Tornado Warning | OKX | Lower Connecticut River Valley Planning Region | 25 min |
| Aug 4, 2:49 PM EDT | Tornado Warning | OKX | Lower Connecticut River Valley Planning Region | 15 min |
Nearby
Tornado Warnings in Connecticut, 2020Every tornado warning in 2020Tornadoes in 2020
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.