Severe Thunderstorm Warning Issued for Cayuga, Cortland and Onondaga Counties NY

Source: NOAA · Central New York

If you are in immediate danger, call emergency services now.

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NWS Binghamton has issued a Severe Thunderstorm Warning for eastern Cayuga, northern Cortland and Onondaga counties in central New York until 5:45 PM EDT.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on May 21, 2026 and geographically references Central New York. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Severe Thunderstorm Warning, Central New York) map to related alerts in the same area of risk - browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

Severe Thunderstorm Warning issued by NWS Binghamton NY. Effective from May 13, 2026 at 4:40 PM EDT until May 13, 2026 at 5:45 PM EDT.

Affected Areas

Eastern Cayuga County, northern Cortland County, and Onondaga County in central New York. Locations impacted include Onondaga, Syracuse, Clay, Cicero, De Witt, Lysander, Van Buren, Baldwinsville, Pompey, and North Syracuse.

What You Should Do

Move to an interior room on the lowest floor of a building. If on or near Owasco, Skaneateles and Otisco Lakes, get away from the water and move indoors or inside a vehicle. Move to safe shelter now if you can hear thunder.

Expected Conditions

At 4:38 PM EDT, severe thunderstorms were located along a line extending from near Fulton to near Jordan to near Casowasco to near Genoa, moving east at 40 mph. Hazards include 60 mph wind gusts and nickel size hail (0.88 inch). Expect damage to roofs, siding, and trees.

Timeline

The warning is in effect from 4:40 PM EDT to 5:45 PM EDT on May 13, 2026.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Binghamton has issued a Severe Thunderstorm Warning for eastern Cayuga, northern Cortland and Onondaga counties in central New York until 5:45 PM EDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Central New York. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.