Weather alerts in New York, 2011

4,092 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts: 4,092
Warnings: 1,528
Watches: 235
Advisories: 1,120
Busiest month: August760 alerts
Busiest day: April 28, 2011143 alerts

Over time

By month

The alerts

4,092 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	601
Tornado Warning	57
Severe Thunderstorm Watch	34
Tornado Watch	7
Mesoscale Discussion	143
Special Weather Statement	1,023
Flooding
Areal Flood Warning	73
Flash Flood Warning	183
River Flood Warning	273
Flash Flood Watch	30
Flood Watch	56
Areal Flood Advisory	479
River Flood Advisory	4
Winter
Ice Storm Warning	1
Lake Effect Snow Warning	21
Winter Storm Warning	44
Lake Effect Snow Watch	13
Winter Storm Watch	36
Freezing Rain Advisory	6
Lake Effect Snow Advisory	40
Winter Weather Advisory	89
Heat
Excessive Heat Warning	7
Excessive Heat Watch	4
Heat Advisory	16
Cold
Freeze Warning	15
Hard Freeze Warning	1
Wind Chill Warning	4
Freeze Watch	4
Wind Chill Watch	2
Frost Advisory	33
Wind Chill Advisory	18
Wind and dust
High Wind Warning	14
High Wind Watch	6
Wind Advisory	59
Fire
Red Flag Warning	1
Fog and smoke
Dense Fog Advisory	29
Tropical
Hurricane Warning	2
Tropical Storm Warning	4
Hurricane Watch	2
Tropical Storm Watch	2
Coast and beach
Coastal Flood Warning	4
Lakeshore Flood Warning	2
Coastal Flood Watch	2
Coastal Flood Advisory	26
High Surf Advisory	6
Lakeshore Flood Advisory	3
Coastal Flood Statement	30
Rip Current Statement	13
Marine
Gale Warning	47
Heavy Freezing Spray Warning	1
Special Marine Warning	171
Storm Warning	2
Gale Watch	34
Storm Watch	3
Low Water Advisory	3
Marine Dense Fog Advisory	33
Small Craft Advisory	230
Small Craft Advisory for Hazardous Seas	46

By county

Every county with at least one alert. A county page lists each alert that covered it.

22 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2010 2012

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.