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Ended official alertUpdated

Severe Thunderstorm Warning for Nassau, NY; Suffolk, NY

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Applies to
Nassau, Suffolk
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 452 PM EDT, severe thunderstorms were located along a line extending from near Weston to Westport to 6 miles southeast of Norwalk to 7 miles north of Centerport to Northport to near Huntington Station to Woodbury, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage...

What the bulletin says to do

A Tornado Watch remains in effect until 900 PM EDT for southeastern New York. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Full official description

Bulletin details

At 452 PM EDT, severe thunderstorms were located along a line extending from near Weston to Westport to 6 miles southeast of Norwalk to 7 miles north of Centerport to Northport to near Huntington Station to Woodbury, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. These severe storms will be near... Huntington Station and Plainview around 455 PM EDT.

Lifecycle record

Official revisions

3 captured
  1. Update

    Severe Thunderstorm Warning issued July 21 at 4:52PM EDT until July 21 at 5:00PM EDT by NWS Upton NY

    Official revision
  2. Update

    Severe Thunderstorm Warning issued July 21 at 4:45PM EDT until July 21 at 5:00PM EDT by NWS Upton NY

    Official revision
  3. Alert

    Severe Thunderstorm Warning issued July 21 at 4:12PM EDT until July 21 at 5:00PM EDT by NWS Upton NY

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Upton NY. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections