Weather alerts in North Dakota, May 2009

51 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: 51
Warnings: 26
Watches: 4
Advisories: 13
Busiest day: May 12, 200913 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

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

Issued	Product	Office	Counties	Lasted
May 1, 2:45 PM CDT	Areal Flood Warning	FGF	Eddy, Nelson, Pembina, Ramsey, Walsh	10 days
May 1, 3:27 PM CDT	Areal Flood Warning	FGF	Cass, Ransom	10 days
May 5, 10:02 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	58 min
May 8, 10:43 AM CDT	Areal Flood Advisory	FGF	Benson, Ramsey	3 days
May 11, 12:57 PM CDT	Areal Flood Advisory	FGF	Benson, Nelson, Ramsey	70 hr
May 11, 1:55 PM CDT	Areal Flood Advisory	FGF	Ransom	7 days
May 11, 3:27 PM CDT	Mesoscale Discussion	SPC	Barnes, Burleigh, Cass, Dickey, Eddy, Foster and 10 more	63 min
May 11, 4:07 PM CDT	Special Weather Statement	FGF	Barnes, Griggs	68 min
May 11, 4:27 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Walsh	34 min
May 12, 3:19 PM CDT	Mesoscale Discussion	SPC	Adams, Billings, Bottineau, Bowman, Burleigh, Dunn and 20 more	56 min
May 12, 3:36 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Billings, Bottineau, Bowman, Burleigh, Dunn and 21 more	7 hr
May 12, 3:44 PM CDT	High Wind Watch	BIS	Adams, Billings, Bowman, Golden Valley, Grant, Hettinger and 2 more	12 hr
May 12, 4:30 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mountrail, Ward	45 min
May 12, 5:03 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Stark	57 min
May 12, 5:15 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	60 min
May 12, 5:46 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	29 min
May 12, 5:54 PM CDT	Mesoscale Discussion	SPC	Burleigh, Emmons, Grant, Morton, Sioux	96 min
May 12, 6:01 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Sioux	59 min
May 12, 6:04 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	41 min
May 12, 6:06 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Mercer, Morton, Oliver	39 min
May 12, 6:27 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	63 min
May 12, 6:48 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Oliver	57 min
May 12, 7:03 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	57 min
May 12, 7:09 PM CDT	Severe Thunderstorm Warning	BIS	McHenry	66 min
May 12, 7:28 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton	47 min
May 12, 7:35 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton, Sioux	25 min
May 12, 8:42 PM CDT	Mesoscale Discussion	SPC	Barnes, Benson, Cass, Cavalier, Dickey, Eddy and 14 more	93 min
May 12, 9:30 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	32 min
May 13, 3:27 AM CDT	High Wind Warning	BIS	Adams, Bowman, Hettinger, Slope	18 hr
May 13, 3:27 AM CDT	Wind Advisory	BIS	Billings, Bottineau, Burke, Burleigh, Dickey, Divide and 22 more	18 hr
May 13, 5:01 AM CDT	Wind Advisory	FGF	Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more	16 hr
May 13, 5:15 PM CDT	Severe Thunderstorm Warning	FGF	Richland	60 min
May 14, 3:15 PM CDT	Freeze Watch	BIS	Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 26 more	25 hr
May 15, 10:14 AM CDT	Areal Flood Advisory	FGF	Benson, Eddy, Nelson, Ramsey	12 days
May 15, 2:50 PM CDT	Frost Advisory	FGF	Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more	18 hr
May 15, 3:46 PM CDT	Freeze Warning	BIS	Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 26 more	17 hr
May 17, 4:57 AM CDT	Freeze Watch	BIS	Bottineau, Burke, Burleigh, Dickey, Divide, Dunn and 21 more	35 hr
May 18, 2:55 PM CDT	Frost Advisory	FGF	Benson, Cavalier, Eddy, Nelson, Pembina, Ramsey and 2 more	18 hr
May 18, 4:09 PM CDT	Freeze Warning	BIS	Bottineau, McHenry, Pierce, Renville, Rolette	17 hr
May 20, 4:05 PM CDT	Frost Advisory	BIS	Burke, Divide, McKenzie, Mountrail, Renville, Williams	17 hr
May 22, 3:34 PM CDT	Frost Advisory	FGF	Benson, Cavalier, Eddy, Nelson, Ramsey, Towner and 1 more	17 hr
May 22, 3:45 PM CDT	Frost Advisory	BIS	Bottineau, Burke, Divide, McHenry, McKenzie, Mountrail and 4 more	17 hr
May 24, 8:36 PM CDT	River Flood Warning	BIS	McKenzie, Williams	39 hr
May 25, 10:09 PM CDT	Areal Flood Warning	FGF	Pembina	66 hr
May 28, 10:22 AM CDT	Areal Flood Advisory	FGF	Benson, Eddy, Nelson, Ramsey	11 days
May 28, 4:31 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	44 min
May 28, 5:16 PM CDT	Severe Thunderstorm Warning	BIS	Emmons, Logan, McIntosh	44 min
May 29, 2:07 PM CDT	Mesoscale Discussion	SPC	Barnes, Benson, Cass, Cavalier, Eddy, Foster and 12 more	83 min
May 29, 6:15 PM CDT	Mesoscale Discussion	SPC	Emmons, Sioux	60 min
May 30, 8:38 AM CDT	Areal Flood Advisory	FGF	Benson, Eddy, Nelson, Ramsey	34 hr
May 31, 4:06 PM CDT	Special Weather Statement	FGF	Richland	39 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	19
Severe Thunderstorm Watch	1
Mesoscale Discussion	6
Special Weather Statement	2
Flooding
Areal Flood Warning	3
River Flood Warning	1
Areal Flood Advisory	6
Cold
Freeze Warning	2
Freeze Watch	2
Frost Advisory	5
Wind and dust
High Wind Warning	1
High Wind Watch	1
Wind Advisory	2

By county

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

13 more counties

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.