Nassau County, New York weather alerts

Nothing is in force for Nassau County right now. Its warnings come from the National Weather Service and appear here within a minute of being issued; every one of the past year is below.

Warnings issued

1. Flash Flood WarningThu, Aug 27, 4:52 PM EDT
2. Flash Flood WarningSun, Aug 23, 7:21 AM EDT
3. Tornado WarningThu, Aug 20, 6:49 PM EDT
4. Tornado WarningThu, Aug 20, 6:44 PM EDT
5. Flash Flood WarningThu, Aug 20, 6:13 PM EDT
6. Severe Thunderstorm WarningSat, Aug 8, 4:21 PM EDT
7. Severe Thunderstorm WarningFri, Aug 7, 6:24 PM EDT
8. Severe Thunderstorm WarningFri, Aug 7, 5:20 PM EDT
9. Flash Flood WarningMon, Aug 3, 5:41 AM EDT
10. Flash Flood WarningTue, Jul 21, 4:21 PM EDT
11. Severe Thunderstorm WarningTue, Jul 21, 4:12 PM EDT
12. Severe Thunderstorm WarningWed, Jul 15, 5:05 PM EDT
13. Flash Flood WarningMon, Jul 6, 11:31 AM EDT
14. Severe Thunderstorm WarningSat, Jul 4, 8:19 PM EDT
15. Extreme Heat WarningWed, Jul 1, 12:00 PM EDT
16. Severe Thunderstorm WarningThu, Jun 11, 11:45 PM EDT
17. Severe Thunderstorm WarningSat, Jun 6, 7:54 PM EDT
18. Severe Thunderstorm WarningSat, Jun 6, 7:27 PM EDT
19. Severe Thunderstorm WarningWed, May 20, 6:51 PM EDT
20. Freeze WarningWed, Apr 8, 12:00 AM EDT
21. Severe Thunderstorm WarningTue, Mar 17, 12:19 AM EDT
22. Coastal Flood WarningMon, Feb 23, 12:00 AM EST
23. Blizzard WarningSun, Feb 22, 1:00 PM EST
24. Extreme Cold WarningSat, Feb 7, 1:00 PM EST
25. Winter Storm WarningSun, Jan 25, 3:00 AM EST
26. Snow Squall WarningThu, Jan 1, 6:31 AM EST
27. Snow Squall WarningThu, Jan 1, 5:52 AM EST
28. Winter Storm WarningFri, Dec 26, 4:00 PM EST
29. Severe Thunderstorm WarningFri, Dec 19, 4:12 PM EST
30. Severe Thunderstorm WarningFri, Dec 19, 3:18 PM EST
31. Coastal Flood WarningFri, Dec 19, 6:00 AM EST
32. Freeze WarningTue, Nov 11, 1:00 AM EST
33. Coastal Flood WarningSun, Oct 12, 2:00 PM EDT

From the Iowa Environmental Mesonet’s archive of NWS watches, warnings and advisories (VTEC), by the county’s own code and the forecast zones inside it. Each date links to the event at the IEM.

• Queens CountyNone
• Suffolk CountyNone

Warning

The hazard is happening or about to. Act now: a tornado warning means take shelter, a flash flood warning means move to higher ground.

Watch

Conditions favor the hazard. Nothing is happening yet; have a plan and be ready to act if a warning follows.

Advisory

A hazard that is less serious than a warning but can still cause trouble, such as dense fog, heat or light ice.

Statement

Information about weather that does not yet meet a warning: a strong storm, a hydrologic update, or a special weather statement.

Severity (extreme, severe, moderate, minor) is the rating the issuing office gives each product. More on the difference: tornado watch vs. tornado warning. Alerts come from the National Weather Service; follow its instructions and your local officials.

Alerts from the National Weather Service's public feed, read afresh every minute, and matched to counties and zones by their UGC codes. Warnings from outside the United States come from each country's own meteorological service. Follow the issuing office's instructions and your local officials.