Alert archive / Connecticut / Tornado Warnings in 2020
Tornado Warning 4, NWS New York, NY
NWS New York, NY issued this tornado warning at Aug 4, 2020, 2:49 PM EDT for Lower Connecticut River Valley Planning Region, Connecticut. It was in force for 15 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
- Aug 4, 2020, 2:49 PM EDT (18:49 UTC)
- Expired
- Aug 4, 2020, 3:04 PM EDT
- In force
- 15 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
The radar
The Brookhaven radar (KOKX), 78 km from the middle of the area, began a volume at 18:53 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 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, 6.8 hours before the alert went out and 78 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.
638
WFUS51 KOKX 041849
TOROKX
CTC007-041915-
/O.NEW.KOKX.TO.W.0004.200804T1849Z-200804T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New York NY
249 PM EDT Tue Aug 4 2020
The National Weather Service in Upton NY has issued a
* Tornado Warning for...
Northern Middlesex County in southern Connecticut...
* Until 315 PM EDT.
* At 248 PM EDT, a storm capable of producing a tornado was located
over Haddam, or near Durham, moving north at 65 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...
Portland and Lake Pocotopaug--East Hampton around 255 PM EDT.
Middletown and Hartford around 300 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, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4139 7251 4138 7261 4160 7272 4161 7271
4163 7271 4164 7263 4163 7263 4164 7252
TIME...MOT...LOC 1848Z 168DEG 55KT 4144 7257
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Goodman2 follow-up statements
204
WWUS51 KOKX 041859
SVSOKX
Severe Weather Statement
National Weather Service New York NY
259 PM EDT Tue Aug 4 2020
CTC007-041915-
/O.CON.KOKX.TO.W.0004.000000T0000Z-200804T1915Z/
Middlesex CT-
259 PM EDT Tue Aug 4 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR NORTHERN
MIDDLESEX COUNTY...
At 258 PM EDT, a storm capable of producing a tornado was located
over Cromwell, or near Middletown, moving north at 65 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4155 7257 4154 7266 4162 7271 4163 7271
4164 7263 4163 7263 4164 7256
TIME...MOT...LOC 1858Z 168DEG 55KT 4160 7262
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Goodman056
WWUS51 KOKX 041904
SVSOKX
Severe Weather Statement
National Weather Service New York NY
304 PM EDT Tue Aug 4 2020
CTC007-041914-
/O.CAN.KOKX.TO.W.0004.000000T0000Z-200804T1915Z/
Middlesex CT-
304 PM EDT Tue Aug 4 2020
...THE TORNADO WARNING FOR NORTHERN MIDDLESEX COUNTY IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 400 PM EDT for southern
Connecticut.
LAT...LON 4155 7257 4154 7266 4162 7271 4163 7271
4164 7263 4163 7263 4164 7256
TIME...MOT...LOC 1903Z 168DEG 55KT 4170 7265
$$
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, 1:38 PM EDT | Tornado Warning | OKX | Greater Bridgeport Planning Region | 37 min |
| Aug 4, 2:05 PM EDT | Tornado Warning | OKX | Lower Connecticut River Valley Planning Region | 25 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.