Weather alerts in Montana, 1991
192 weather alerts in 1991, 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 1991. Tap one for its archive.
- Alerts
- 192
- Warnings
- 192
- Watches
- 0
- Advisories
- 0
- Busiest month
- June126 alerts
- Busiest day
- June 25, 199126 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 10:30 PM MDT | Tornado Warning | GGW | Garfield, Valley | 45 min |
| May 12, 1:32 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 58 min |
| May 12, 4:11 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 64 min |
| May 18, 6:52 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 68 min |
| May 18, 7:15 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Yellowstone | 60 min |
| May 18, 7:42 PM MDT | Flash Flood Warning | MSO | Lewis and Clark, Teton | 4 hr |
| May 18, 7:42 PM MDT | Flash Flood Warning | TFX | Teton | 4 hr |
| May 18, 8:57 PM MDT | Flash Flood Warning | MSO | Lewis and Clark, Pondera, Teton | 6 hr |
| May 18, 8:57 PM MDT | Flash Flood Warning | MSO | Glacier | 6 hr |
| May 19, 11:56 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 64 min |
| May 20, 12:47 AM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 58 min |
| May 20, 1:07 AM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 68 min |
| May 20, 1:53 AM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 67 min |
| May 20, 1:24 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 66 min |
| May 20, 2:26 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 64 min |
| May 20, 3:22 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 68 min |
| May 20, 4:04 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 56 min |
| May 20, 4:35 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 55 min |
| May 20, 6:41 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 64 min |
| May 20, 6:45 PM MDT | Flash Flood Warning | TFX | Blaine, Hill | 3 hr |
| May 20, 11:08 PM MDT | Tornado Warning | BYZ | Custer | 37 min |
| May 21, 10:50 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 55 min |
| May 21, 11:29 PM MDT | Severe Thunderstorm Warning | BYZ | Dawson, Prairie | 61 min |
| May 25, 6:05 PM MDT | Tornado Warning | GGW | Sheridan | 55 min |
| May 25, 6:17 PM MDT | Tornado Warning | GGW | Roosevelt | 58 min |
| May 31, 4:46 PM MDT | Tornado Warning | BYZ | Dawson | 44 min |
| Jun 3, 4:16 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 119 min |
| Jun 4, 2:20 PM MDT | Tornado Warning | BYZ | Custer | 25 min |
| Jun 6, 8:49 PM MDT | Tornado Warning | GGW | Garfield | 56 min |
| Jun 7, 6:06 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 69 min |
| Jun 7, 7:21 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 99 min |
| Jun 7, 9:43 PM MDT | Tornado Warning | BYZ | Rosebud | 47 min |
| Jun 9, 1:14 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 61 min |
| Jun 19, 6:07 PM MDT | Tornado Warning | BYZ | Stillwater, Yellowstone | 38 min |
| Jun 19, 6:38 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 67 min |
| Jun 19, 6:54 PM MDT | Tornado Warning | BYZ | Yellowstone | 66 min |
| Jun 19, 7:56 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 64 min |
| Jun 19, 8:51 PM MDT | Flash Flood Warning | BYZ | Big Horn, Rosebud, Treasure | 69 min |
| Jun 19, 8:51 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure | 69 min |
| Jun 19, 9:02 PM MDT | Tornado Warning | BYZ | Big Horn | 28 min |
| Jun 19, 9:25 PM MDT | Tornado Warning | BYZ | Rosebud | 55 min |
| Jun 20, 4:55 PM MDT | Severe Thunderstorm Warning | MSO | Lewis and Clark | 50 min |
| Jun 20, 6:40 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 50 min |
| Jun 21, 12:02 AM MDT | Severe Thunderstorm Warning | TFX | Liberty, Pondera, Toole | 58 min |
| Jun 21, 4:11 PM MDT | Flash Flood Warning | BYZ | Golden Valley, Musselshell | 64 min |
| Jun 21, 4:11 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 64 min |
| Jun 21, 4:36 PM MDT | Flash Flood Warning | BYZ | Treasure, Yellowstone | 69 min |
| Jun 21, 4:36 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 69 min |
| Jun 21, 4:43 PM MDT | Tornado Warning | BYZ | Yellowstone | 32 min |
| Jun 21, 5:01 PM MDT | Tornado Warning | BYZ | Big Horn | 29 min |
| Jun 21, 5:23 PM MDT | Tornado Warning | MSO | Meagher | 67 min |
| Jun 21, 5:37 PM MDT | Tornado Warning | BYZ | Big Horn | 38 min |
| Jun 21, 5:55 PM MDT | Tornado Warning | BYZ | Rosebud | 65 min |
| Jun 21, 6:21 PM MDT | Flash Flood Warning | BYZ | Musselshell | 3 hr |
| Jun 21, 6:22 PM MDT | Tornado Warning | BYZ | Big Horn | 68 min |
| Jun 21, 6:33 PM MDT | Tornado Warning | TFX | Fergus | 42 min |
| Jun 21, 6:56 PM MDT | Flash Flood Warning | BYZ | Big Horn, Treasure | 3 hr |
| Jun 21, 8:41 PM MDT | Tornado Warning | BYZ | Custer, Rosebud | 64 min |
| Jun 21, 9:36 PM MDT | Flash Flood Warning | BYZ | Musselshell | 3 hr |
| Jun 21, 9:36 PM MDT | Flash Flood Warning | BYZ | Big Horn, Treasure | 3 hr |
| Jun 21, 11:36 PM MDT | Flash Flood Warning | BYZ | Musselshell | 6 hr |
| Jun 21, 11:36 PM MDT | Flash Flood Warning | BYZ | Treasure | 6 hr |
| Jun 22, 6:43 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 62 min |
| Jun 22, 6:48 PM MDT | Flash Flood Warning | BYZ | Golden Valley | 57 min |
| Jun 22, 6:48 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 57 min |
| Jun 22, 7:35 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 55 min |
| Jun 22, 8:36 PM MDT | Flash Flood Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 69 min |
| Jun 22, 8:36 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Yellowstone | 69 min |
| Jun 22, 8:36 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 69 min |
| Jun 23, 3:19 PM MDT | Tornado Warning | BYZ | Golden Valley, Wheatland | 56 min |
| Jun 23, 3:24 PM MDT | Flash Flood Warning | BYZ | Sweet Grass | 66 min |
| Jun 23, 3:24 PM MDT | Tornado Warning | BYZ | Sweet Grass | 66 min |
| Jun 23, 3:58 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Petroleum | 62 min |
| Jun 23, 4:13 PM MDT | Flash Flood Warning | BYZ | Stillwater | 62 min |
| Jun 23, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 62 min |
| Jun 23, 5:05 PM MDT | Flash Flood Warning | BYZ | Musselshell, Yellowstone | 55 min |
| Jun 23, 5:05 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 55 min |
| Jun 23, 5:20 PM MDT | Flash Flood Warning | BYZ | Big Horn, Carbon, Yellowstone | 55 min |
| Jun 23, 5:20 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon, Yellowstone | 55 min |
| Jun 23, 5:49 PM MDT | Tornado Warning | BYZ | Big Horn, Carbon, Yellowstone | 26 min |
| Jun 23, 6:20 PM MDT | Flash Flood Warning | BYZ | Big Horn, Carbon, Yellowstone | 25 min |
| Jun 23, 6:20 PM MDT | Tornado Warning | BYZ | Big Horn, Carbon, Yellowstone | 25 min |
| Jun 23, 6:34 PM MDT | Flash Flood Warning | BYZ | Big Horn, Rosebud, Treasure | 26 min |
| Jun 23, 6:34 PM MDT | Tornado Warning | BYZ | Big Horn, Rosebud, Treasure | 26 min |
| Jun 23, 7:03 PM MDT | Flash Flood Warning | BYZ | Rosebud, Treasure, Yellowstone | 57 min |
| Jun 23, 7:03 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure, Yellowstone | 57 min |
| Jun 23, 7:19 PM MDT | Tornado Warning | BYZ | Rosebud | 26 min |
| Jun 23, 7:49 PM MDT | Flash Flood Warning | BYZ | Rosebud | 26 min |
| Jun 23, 7:49 PM MDT | Tornado Warning | BYZ | Rosebud | 26 min |
| Jun 23, 8:26 PM MDT | Flash Flood Warning | BYZ | Rosebud, Treasure | 64 min |
| Jun 23, 8:26 PM MDT | Flash Flood Warning | BYZ | Custer | 64 min |
| Jun 23, 8:26 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 64 min |
| Jun 23, 8:26 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 64 min |
| Jun 23, 9:20 PM MDT | Flash Flood Warning | BYZ | Carter, Custer, Fallon | 55 min |
| Jun 23, 9:20 PM MDT | Flash Flood Warning | BYZ | Powder River | 55 min |
| Jun 23, 9:20 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 55 min |
| Jun 23, 10:25 PM MDT | Flash Flood Warning | BYZ | Custer, Powder River, Rosebud | 65 min |
| Jun 23, 10:25 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 65 min |
| Jun 23, 11:20 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 40 min |
| Jun 24, 5:09 AM MDT | Flash Flood Warning | BYZ | Custer | 5 hr |
| Jun 24, 3:02 PM MDT | Tornado Warning | TFX | Cascade | 58 min |
| Jun 24, 7:17 PM MDT | Flash Flood Warning | BYZ | Golden Valley, Stillwater, Sweet Grass | 118 min |
| Jun 24, 7:17 PM MDT | Flash Flood Warning | BYZ | Musselshell | 118 min |
| Jun 24, 7:17 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Sweet Grass | 118 min |
| Jun 24, 7:17 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 118 min |
| Jun 24, 8:32 PM MDT | Flash Flood Warning | BYZ | Yellowstone | 58 min |
| Jun 24, 8:32 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 58 min |
| Jun 24, 9:13 PM MDT | Flash Flood Warning | BYZ | Yellowstone | 32 min |
| Jun 24, 9:13 PM MDT | Tornado Warning | BYZ | Yellowstone | 32 min |
| Jun 24, 9:49 PM MDT | Flash Flood Warning | BYZ | Musselshell, Yellowstone | 71 min |
| Jun 24, 9:49 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 71 min |
| Jun 24, 10:07 PM MDT | Severe Thunderstorm Warning | BYZ | Dawson | 68 min |
| Jun 24, 10:08 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 2 hr |
| Jun 24, 10:50 PM MDT | Flash Flood Warning | BYZ | Rosebud, Treasure, Yellowstone | 55 min |
| Jun 24, 10:50 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure, Yellowstone | 55 min |
| Jun 25, 12:29 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 91 min |
| Jun 25, 11:16 AM MDT | Tornado Warning | TFX | Cascade, Chouteau | 29 min |
| Jun 25, 3:24 PM MDT | Flash Flood Warning | BYZ | Big Horn, Rosebud, Treasure | 111 min |
| Jun 25, 3:24 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure | 111 min |
| Jun 25, 3:31 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 59 min |
| Jun 25, 3:39 PM MDT | Tornado Warning | BYZ | Big Horn | 36 min |
| Jun 25, 3:40 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 65 min |
| Jun 25, 4:01 PM MDT | Tornado Warning | TFX | Cascade, Chouteau | 59 min |
| Jun 25, 4:48 PM MDT | Flash Flood Warning | BYZ | Yellowstone | 57 min |
| Jun 25, 4:48 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 57 min |
| Jun 25, 5:26 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon, Prairie | 64 min |
| Jun 25, 5:42 PM MDT | Flash Flood Warning | GGW | Richland, Roosevelt | 2 hr |
| Jun 29, 4:34 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 56 min |
| Jun 29, 4:45 PM MDT | Tornado Warning | TFX | Glacier, Toole | 60 min |
| Jun 29, 4:50 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 55 min |
| Jun 29, 5:11 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Sweet Grass, Wheatland | 64 min |
| Jun 29, 5:24 PM MDT | Tornado Warning | TFX | Fergus, Judith Basin | 66 min |
| Jun 29, 5:25 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 95 min |
| Jun 29, 5:37 PM MDT | Tornado Warning | BYZ | Rosebud, Treasure | 68 min |
| Jun 29, 6:05 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 55 min |
| Jun 29, 6:07 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 68 min |
| Jun 29, 6:20 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 70 min |
| Jun 29, 6:31 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 59 min |
| Jun 29, 6:38 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 67 min |
| Jun 29, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 60 min |
| Jun 29, 7:08 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 67 min |
| Jun 29, 7:10 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 35 min |
| Jun 29, 7:20 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 70 min |
| Jun 29, 7:25 PM MDT | Severe Thunderstorm Warning | TFX | Petroleum | 65 min |
| Jun 29, 7:33 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Prairie | 57 min |
| Jun 29, 8:00 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jun 29, 8:35 PM MDT | Severe Thunderstorm Warning | TFX | Petroleum | 55 min |
| Jun 29, 8:36 PM MDT | Severe Thunderstorm Warning | BYZ | Dawson, Prairie | 69 min |
| Jun 29, 9:18 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon, Wibaux | 57 min |
| Jun 29, 9:18 PM MDT | Severe Thunderstorm Warning | BYZ | Dawson | 57 min |
| Jun 29, 9:28 PM MDT | Tornado Warning | GGW | Daniels | 47 min |
| Jun 29, 11:25 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 65 min |
| Jul 4, 7:53 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 2 hr |
| Jul 4, 10:59 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 61 min |
| Jul 4, 11:11 PM MDT | Severe Thunderstorm Warning | BYZ | Dawson | 64 min |
| Jul 5, 1:31 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 29 min |
| Jul 5, 2:17 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 58 min |
| Jul 9, 7:39 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 66 min |
| Jul 9, 8:16 PM MDT | Flash Flood Warning | BYZ | Musselshell, Yellowstone | 59 min |
| Jul 9, 8:16 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 59 min |
| Jul 9, 9:28 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 62 min |
| Jul 10, 7:33 PM MDT | Tornado Warning | BYZ | Carter | 42 min |
| Jul 14, 10:29 PM MDT | Tornado Warning | BYZ | Dawson, Wibaux | 31 min |
| Jul 14, 10:39 PM MDT | Tornado Warning | GGW | Richland | 66 min |
| Jul 15, 11:59 PM MDT | Flash Flood Warning | BYZ | Musselshell, Rosebud | 61 min |
| Jul 15, 11:59 PM MDT | Flash Flood Warning | BYZ | Golden Valley | 61 min |
| Jul 15, 11:59 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 61 min |
| Jul 15, 11:59 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 61 min |
| Jul 16, 8:30 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 60 min |
| Jul 16, 10:51 PM MDT | Severe Thunderstorm Warning | BYZ | Dawson | 69 min |
| Jul 17, 7:51 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 54 min |
| Jul 17, 8:59 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 61 min |
| Jul 17, 9:38 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt | 67 min |
| Jul 17, 10:54 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 41 min |
| Aug 6, 5:15 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon, Prairie | 60 min |
| Aug 6, 5:15 PM MDT | Severe Thunderstorm Warning | BYZ | Dawson | 60 min |
| Aug 6, 5:42 PM MDT | Tornado Warning | BYZ | Dawson | 33 min |
| Aug 6, 5:42 PM MDT | Tornado Warning | BYZ | Fallon | 33 min |
| Aug 6, 6:20 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 55 min |
| Aug 6, 7:49 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 41 min |
| Aug 6, 8:52 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 2 hr |
| Aug 10, 5:51 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 52 min |
| Aug 11, 6:50 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 55 min |
| Aug 12, 4:46 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Sweet Grass, Wheatland | 59 min |
| Aug 13, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Pondera, Toole | 51 min |
| Aug 13, 6:01 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 44 min |
| Aug 13, 6:50 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 2 hr |
| Aug 14, 3:08 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 52 min |
| Aug 14, 3:08 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 33 min |
| Aug 14, 4:01 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 44 min |
| Aug 27, 3:15 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 30 min |
| Sep 7, 6:20 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 55 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 | 109 |
| Tornado Warning | 41 |
| Flooding | |
| Flash Flood Warning | 42 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Yellowstone County35
- Rosebud County30
- Musselshell County24
- Treasure County22
- Big Horn County19
- Custer County15
- Golden Valley County14
- Richland County11
- Fergus County10
- Dawson County10
- Fallon County8
- Sweet Grass County7
- Stillwater County7
- Chouteau County7
- Garfield County6
- Carbon County6
- Cascade County6
- Valley County5
- Prairie County5
- Carter County5
- Teton County4
- Wheatland County4
- Blaine County4
- Roosevelt County4
- Powder River County4
- Lewis and Clark County3
- Pondera County3
- Hill County3
- Liberty County3
- Toole County3
- Petroleum County3
- Phillips County3
- Glacier County2
- Sheridan County2
- Judith Basin County2
- Wibaux County2
- McCone County2
- Meagher County1
- Daniels County1
- Granite County1
1 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.