Alert archive / North Dakota / Williams County / 2011
Weather alerts in Williams County, North Dakota, May 2011
18 weather alerts in May 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 18
- Warnings
- 9
- Watches
- 3
- Advisories
- 6
- Busiest day
- May 10, 20114 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 | Lasted |
|---|---|---|---|
| May 4, 3:52 AM CDT | River Flood Warning | BIS | 16 hr |
| May 9, 8:37 PM CDT | Areal Flood Warning | BIS | 4 days |
| May 10, 2:58 AM CDT | Wind Advisory | BIS | 14 hr |
| May 10, 11:10 AM CDT | River Flood Warning | BIS | 33 hr |
| May 10, 2:05 PM CDT | River Flood Warning | BIS | 105 days |
| May 13, 3:24 PM CDT | Frost Advisory | BIS | 12 hr |
| May 14, 3:09 PM CDT | Frost Advisory | BIS | 18 hr |
| May 14, 9:59 PM CDT | Freeze Warning | BIS | 11 hr |
| May 15, 3:21 PM CDT | Wind Advisory | BIS | 30 hr |
| May 16, 4:46 AM CDT | Red Flag Warning | BIS | 16 hr |
| May 18, 2:34 PM CDT | Flood Watch | BIS | 3 days |
| May 20, 12:18 PM CDT | Areal Flood Warning | BIS | 3 days |
| May 24, 2:48 PM CDT | Frost Advisory | BIS | 17 hr |
| May 26, 4:34 AM CDT | Wind Advisory | BIS | 17 hr |
| May 28, 1:14 PM CDT | Flood Watch | BIS | 3 days |
| May 29, 2:53 PM CDT | High Wind Watch | BIS | 23 hr |
| May 29, 8:35 PM CDT | River Flood Warning | BIS | 4 days |
| May 30, 1:57 PM CDT | High Wind Warning | BIS | 29 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Areal Flood Warning | 2 |
| River Flood Warning | 4 |
| Flood Watch | 2 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.