Alert archive / Wisconsin / 2009
Weather alerts in Wisconsin, April 2009
107 weather alerts in April 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 April 2009. Tap one for its archive.
- Alerts
- 107
- Warnings
- 50
- Watches
- 16
- Advisories
- 33
- Busiest day
- April 26, 200920 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 |
|---|---|---|---|---|
| Mar 31, 9:12 PM CDT | River Flood Watch | MKX | Racine | 8 hr |
| Apr 1, 3:29 AM CDT | Small Craft Advisory | MKX | 16 hr | |
| Apr 1, 3:09 PM CDT | Gale Watch | MKX | 12 hr | |
| Apr 2, 3:26 AM CDT | Small Craft Advisory | MKX | 40 hr | |
| Apr 2, 3:15 PM CDT | Winter Storm Watch | ARX | Adams, Buffalo, Crawford, Grant, Jackson, Juneau and 5 more | 44 hr |
| Apr 2, 3:50 PM CDT | Small Craft Advisory | GRB | 29 hr | |
| Apr 4, 3:49 AM CDT | Winter Weather Advisory | MKX | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more | 36 hr |
| Apr 4, 4:02 AM CDT | Gale Watch | MKX | 24 hr | |
| Apr 4, 4:02 AM CDT | Small Craft Advisory | MKX | 36 hr | |
| Apr 4, 10:53 AM CDT | Winter Storm Warning | ARX | Crawford, Grant | 24 hr |
| Apr 4, 10:53 AM CDT | Winter Weather Advisory | ARX | Adams, Buffalo, Crawford, Grant, Jackson, Juneau and 5 more | 29 hr |
| Apr 5, 4:07 AM CDT | Gale Warning | MKX | 33 hr | |
| Apr 5, 5:10 AM CDT | Small Craft Advisory | GRB | 64 hr | |
| Apr 6, 4:33 AM CDT | Gale Warning | GRB | 17 hr | |
| Apr 6, 1:11 PM CDT | Small Craft Advisory | MKX | 30 hr | |
| Apr 6, 9:49 PM CDT | Small Craft Advisory | GRB | 23 hr | |
| Apr 9, 3:44 AM CDT | Small Craft Advisory | MKX | 57 hr | |
| Apr 12, 4:24 PM CDT | Small Craft Advisory | MKX | 59 hr | |
| Apr 13, 10:49 AM CDT | Small Craft Advisory | GRB | 35 hr | |
| Apr 19, 3:52 AM CDT | Winter Weather Advisory | DLH | Ashland, Iron | 50 hr |
| Apr 19, 4:05 AM CDT | Small Craft Advisory | GRB | 12 hr | |
| Apr 19, 3:04 PM CDT | Small Craft Advisory | MKX | 58 hr | |
| Apr 20, 4:13 AM CDT | Winter Weather Advisory | GRB | Florence, Forest, Langlade, Lincoln, Marathon, Marinette and 5 more | 33 hr |
| Apr 20, 7:16 AM CDT | Winter Storm Warning | GRB | Florence, Forest, Oneida, Vilas | 21 hr |
| Apr 21, 4:37 AM CDT | Small Craft Advisory | GRB | 23 hr | |
| Apr 21, 5:50 AM CDT | Winter Storm Warning | DLH | Iron | 9 hr |
| Apr 21, 10:44 AM CDT | Wind Advisory | MPX | Pierce, Saint Croix | 8 hr |
| Apr 23, 3:38 AM CDT | Red Flag Warning | MPX | Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more | 15 hr |
| Apr 23, 9:25 AM CDT | Red Flag Warning | DLH | Ashland, Bayfield, Burnett, Douglas, Sawyer, Washburn | 10 hr |
| Apr 23, 9:51 AM CDT | Red Flag Warning | ARX | Buffalo, Jackson, La Crosse, Monroe, Trempealeau, Vernon | 9 hr |
| Apr 23, 9:40 PM CDT | Small Craft Advisory | MKX | 4 days | |
| Apr 24, 1:25 PM CDT | Small Craft Advisory | GRB | 15 hr | |
| Apr 24, 3:18 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Chippewa, Clark, Crawford, Dunn and 27 more | 2 hr |
| Apr 24, 4:39 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 51 min |
| Apr 24, 4:41 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Eau Claire, Pepin | 49 min |
| Apr 24, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Buffalo, Chippewa, Clark, Crawford, Eau Claire and 24 more | 6 hr |
| Apr 24, 5:19 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 56 min |
| Apr 24, 5:28 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 47 min |
| Apr 24, 5:29 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 61 min |
| Apr 24, 5:44 PM CDT | Severe Thunderstorm Warning | ARX | Taylor | 46 min |
| Apr 24, 5:54 PM CDT | Severe Thunderstorm Warning | DLH | Price | 51 min |
| Apr 24, 6:22 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 16 min |
| Apr 24, 6:29 PM CDT | Severe Thunderstorm Warning | DLH | Price | 46 min |
| Apr 24, 6:31 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 59 min |
| Apr 24, 6:40 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo, Trempealeau | 35 min |
| Apr 24, 6:44 PM CDT | Severe Thunderstorm Warning | GRB | Oneida | 61 min |
| Apr 24, 6:48 PM CDT | Severe Thunderstorm Warning | DLH | Price | 42 min |
| Apr 24, 6:58 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon, Oneida | 47 min |
| Apr 24, 7:09 PM CDT | Severe Thunderstorm Warning | DLH | Iron, Price | 66 min |
| Apr 24, 7:16 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, Trempealeau | 59 min |
| Apr 24, 7:32 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Iron, Sawyer | 43 min |
| Apr 24, 7:41 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Lincoln, Marathon, Oneida, Portage and 2 more | 64 min |
| Apr 24, 7:42 PM CDT | Mesoscale Discussion | SPC | Adams, Ashland, Barron, Chippewa, Clark, Crawford and 28 more | 63 min |
| Apr 24, 8:04 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 41 min |
| Apr 24, 8:11 PM CDT | Severe Thunderstorm Warning | ARX | Jackson | 64 min |
| Apr 24, 8:36 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 39 min |
| Apr 24, 8:41 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson | 34 min |
| Apr 24, 8:51 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 24 min |
| Apr 24, 9:11 PM CDT | Severe Thunderstorm Warning | GRB | Marinette, Oconto | 34 min |
| Apr 24, 9:40 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Chippewa, Clark, Crawford, Eau Claire and 28 more | 65 min |
| Apr 24, 10:56 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe | 29 min |
| Apr 25, 9:49 AM CDT | River Flood Watch | MKX | Kenosha | 12 hr |
| Apr 25, 1:37 PM CDT | Areal Flood Advisory | MKX | Milwaukee, Waukesha | 2 hr |
| Apr 25, 5:32 PM CDT | Mesoscale Discussion | SPC | Dane, Grant, Green, Iowa, Jefferson, Kenosha and 5 more | 73 min |
| Apr 25, 9:46 PM CDT | River Flood Warning | MKX | Kenosha | 14 days |
| Apr 26, 1:44 AM CDT | Areal Flood Advisory | MKX | Racine, Walworth | 4 hr |
| Apr 26, 3:45 AM CDT | Flash Flood Watch | ARX | Buffalo, Crawford, Grant, Jackson, La Crosse, Monroe and 3 more | 24 hr |
| Apr 26, 4:27 AM CDT | Small Craft Advisory | GRB | 36 hr | |
| Apr 26, 4:52 AM CDT | River Flood Warning | MKX | Racine | 65 hr |
| Apr 26, 7:44 AM CDT | Areal Flood Advisory | MKX | Kenosha | 3 hr |
| Apr 26, 10:28 AM CDT | River Flood Warning | MKX | Rock | 21 days |
| Apr 26, 10:28 AM CDT | River Flood Warning | MKX | Green, Rock | 3 days |
| Apr 26, 10:30 AM CDT | River Flood Watch | MKX | Iowa, Lafayette | 4 hr |
| Apr 26, 11:16 AM CDT | Areal Flood Advisory | MKX | Kenosha, Racine | 104 min |
| Apr 26, 12:39 PM CDT | Marine Dense Fog Advisory | GRB | 15 hr | |
| Apr 26, 2:00 PM CDT | Mesoscale Discussion | SPC | Dane, Green, Jefferson, Lafayette, Rock, Walworth and 1 more | 60 min |
| Apr 26, 2:36 PM CDT | River Flood Warning | MKX | Milwaukee | 30 hr |
| Apr 26, 2:48 PM CDT | River Flood Warning | MKX | Lafayette | 15 hr |
| Apr 26, 2:59 PM CDT | River Flood Warning | MKX | Waukesha | 62 hr |
| Apr 26, 5:02 PM CDT | Tornado Watch | SPC | Crawford, Dane, Grant, Green, Iowa, Lafayette and 2 more | 6 hr |
| Apr 26, 5:14 PM CDT | Mesoscale Discussion | SPC | Crawford, Dane, Grant, Green, Iowa, Lafayette and 3 more | 61 min |
| Apr 26, 6:14 PM CDT | Mesoscale Discussion | SPC | Grant, Iowa, Lafayette | 61 min |
| Apr 26, 6:23 PM CDT | Tornado Warning | ARX | Grant | 67 min |
| Apr 26, 6:48 PM CDT | Areal Flood Advisory | MKX | Iowa, Sauk | 3 hr |
| Apr 26, 7:11 PM CDT | Flash Flood Warning | ARX | Grant | 6 hr |
| Apr 26, 7:53 PM CDT | River Flood Watch | MKX | Racine | 8 hr |
| Apr 26, 7:58 PM CDT | River Flood Watch | MKX | Ozaukee | 15 hr |
| Apr 26, 8:04 PM CDT | River Flood Watch | MKX | Rock | 15 hr |
| Apr 26, 8:21 PM CDT | Mesoscale Discussion | SPC | Grant, Iowa, Lafayette | 54 min |
| Apr 26, 8:37 PM CDT | Dense Fog Advisory | MKX | Sheboygan | 3 hr |
| Apr 26, 8:57 PM CDT | River Flood Warning | ARX | Richland, Vernon | 13 hr |
| Apr 26, 8:57 PM CDT | River Flood Warning | ARX | Crawford, Vernon | 13 hr |
| Apr 26, 8:57 PM CDT | River Flood Warning | ARX | Crawford | 24 hr |
| Apr 26, 8:57 PM CDT | River Flood Warning | ARX | Crawford | 24 hr |
| Apr 26, 9:11 PM CDT | Marine Dense Fog Advisory | MKX | 7 hr | |
| Apr 27, 1:05 AM CDT | Areal Flood Warning | ARX | Grant | 3 hr |
| Apr 27, 3:47 AM CDT | Gale Warning | MKX | 4 hr | |
| Apr 27, 4:14 AM CDT | River Flood Warning | MKX | Racine | 49 hr |
| Apr 27, 5:09 AM CDT | River Flood Warning | MKX | Milwaukee | 2 hr |
| Apr 27, 3:57 PM CDT | Small Craft Advisory | MKX | 36 hr | |
| Apr 28, 11:04 AM CDT | River Flood Watch | MKX | Jefferson | 33 hr |
| Apr 28, 11:04 AM CDT | River Flood Watch | MKX | Jefferson | 33 hr |
| Apr 28, 11:04 AM CDT | River Flood Watch | MKX | Jefferson, Rock | 33 hr |
| Apr 28, 11:04 AM CDT | River Flood Watch | MKX | Jefferson, Rock | 58 hr |
| Apr 30, 3:09 AM CDT | Marine Dense Fog Advisory | MKX | 7 hr | |
| Apr 30, 3:24 AM CDT | Dense Fog Advisory | MKX | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth and 2 more | 7 hr |
| Apr 30, 8:23 AM CDT | Marine Dense Fog Advisory | GRB | 13 hr |
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 | 25 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 8 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| River Flood Warning | 13 |
| Flash Flood Watch | 1 |
| River Flood Watch | 10 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Marine | |
| Gale Warning | 3 |
| Gale Watch | 2 |
| Marine Dense Fog Advisory | 4 |
| Small Craft Advisory | 17 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grant County14
- Crawford County13
- Jackson County11
- Trempealeau County11
- Buffalo County10
- Vernon County10
- Racine County9
- Monroe County9
- Richland County9
- Iowa County9
- Lafayette County9
- Rock County9
- Oneida County9
- La Crosse County8
- Lincoln County8
- Marathon County8
- Eau Claire County8
- Price County8
- Juneau County7
- Jefferson County7
- Kenosha County7
- Forest County7
- Clark County7
- Adams County6
- Green County6
- Waukesha County6
- Langlade County6
- Vilas County6
- Chippewa County6
- Dane County5
- Milwaukee County5
- Sauk County5
- Walworth County5
- Iron County5
- Florence County5
- Shawano County5
- Rusk County5
- Portage County5
- Taylor County5
- Wood County5
26 more counties
- Ashland County4
- Marinette County4
- Menominee County4
- Oconto County4
- Pepin County4
- Waupaca County4
- Waushara County4
- Marquette County3
- Ozaukee County3
- Sheboygan County3
- Pierce County3
- Dunn County3
- Sawyer County3
- Washington County2
- Saint Croix County2
- Barron County2
- Bayfield County2
- Washburn County2
- Columbia County1
- Dodge County1
- Fond du Lac County1
- Green Lake County1
- Polk County1
- Burnett County1
- Douglas County1
- Outagamie County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.