Weather alerts in New Hampshire, May 2009

31 weather alerts in May 2009, 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 May 2009. Tap one for its archive.

Alerts: 31
Warnings: 19
Watches: 2
Advisories: 8
Busiest day: May 9, 200915 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
May 9, 2:56 PM EDT	Mesoscale Discussion	SPC	Grafton, Sullivan	94 min
May 9, 3:00 PM EDT	Severe Thunderstorm Warning	GYX	Coos	45 min
May 9, 3:33 PM EDT	Severe Thunderstorm Warning	GYX	Coos	42 min
May 9, 3:40 PM EDT	Severe Thunderstorm Watch	SPC	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	6 hr
May 9, 5:33 PM EDT	Severe Thunderstorm Warning	GYX	Grafton, Merrimack, Sullivan	57 min
May 9, 5:42 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	33 min
May 9, 5:47 PM EDT	Severe Thunderstorm Warning	GYX	Merrimack, Sullivan	58 min
May 9, 6:08 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton, Merrimack	52 min
May 9, 6:17 PM EDT	Severe Thunderstorm Warning	GYX	Carroll, Grafton	43 min
May 9, 6:42 PM EDT	Severe Thunderstorm Warning	GYX	Carroll	33 min
May 9, 6:42 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Merrimack, Strafford	48 min
May 9, 6:47 PM EDT	Mesoscale Discussion	SPC	Cheshire, Hillsborough, Rockingham, Strafford	88 min
May 9, 7:02 PM EDT	Severe Thunderstorm Warning	GYX	Merrimack, Rockingham, Strafford	43 min
May 9, 7:21 PM EDT	Severe Thunderstorm Warning	BOX	Cheshire, Hillsborough	39 min
May 9, 7:58 PM EDT	Severe Thunderstorm Warning	BOX	Hillsborough	32 min
May 13, 4:21 PM EDT	Wind Advisory	BOX	Cheshire, Hillsborough	27 hr
May 14, 3:19 AM EDT	Wind Advisory	GYX	Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more	17 hr
May 18, 3:06 AM EDT	Frost Advisory	GYX	Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more	28 hr
May 18, 4:18 AM EDT	Frost Advisory	BOX	Hillsborough	27 hr
May 18, 4:18 AM EDT	Freeze Warning	BOX	Cheshire	27 hr
May 24, 4:34 PM EDT	Fire Weather Watch	GYX		10 hr
May 25, 2:54 AM EDT	Red Flag Warning	GYX		16 hr
May 25, 3:08 AM EDT	Frost Advisory	GYX	Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more	28 hr
May 25, 4:01 AM EDT	Frost Advisory	BOX	Cheshire, Hillsborough	27 hr
May 25, 4:06 AM EDT	Red Flag Warning	BOX		15 hr
May 31, 4:16 AM EDT	Frost Advisory	BOX	Hillsborough	27 hr
May 31, 4:16 AM EDT	Freeze Warning	BOX	Cheshire	27 hr
May 31, 2:17 PM EDT	Frost Advisory	GYX	Belknap, Carroll, Grafton, Merrimack, Sullivan	17 hr
May 31, 2:17 PM EDT	Freeze Warning	GYX	Coos	17 hr
May 31, 2:22 PM EDT	Severe Thunderstorm Warning	GYX	Coos	23 min
May 31, 2:48 PM EDT	Severe Thunderstorm Warning	GYX	Coos	27 min

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	14
Severe Thunderstorm Watch	1
Mesoscale Discussion	2
Cold
Freeze Warning	3
Frost Advisory	6
Wind and dust
Wind Advisory	2
Fire
Red Flag Warning	2
Fire Weather Watch	1

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 2008 2010

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. Warning verification from the Mesonet's Cow. Rebuilt daily.