Alert archive / Montana / 1998
Weather alerts in Montana, May 1998
22 weather alerts in May 1998, 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 1998. Tap one for its archive.
- Alerts
- 22
- Warnings
- 19
- Watches
- 3
- Advisories
- 0
- Busiest day
- May 26, 19986 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 20, 4:30 PM MDT | Tornado Watch | SPC | Carter | 7 hr |
| May 20, 6:26 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 44 min |
| May 20, 7:24 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 61 min |
| May 21, 2:42 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| May 21, 3:15 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 50 min |
| May 21, 4:02 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 63 min |
| May 22, 3:42 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 58 min |
| May 22, 4:03 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 47 min |
| May 25, 3:56 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 59 min |
| May 25, 5:51 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 64 min |
| May 26, 2:45 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Broadwater, Cascade, Deer Lodge, Flathead, Gallatin and 15 more | 5 hr |
| May 26, 4:05 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 30 min |
| May 26, 4:28 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 32 min |
| May 26, 4:53 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 32 min |
| May 26, 5:00 PM MDT | Tornado Watch | SPC | Big Horn, Blaine, Carbon, Chouteau, Fergus, Garfield and 14 more | 6 hr |
| May 26, 5:18 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 47 min |
| May 26, 8:06 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 64 min |
| May 27, 12:33 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 47 min |
| May 29, 7:44 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 61 min |
| May 30, 11:14 AM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 61 min |
| May 30, 12:18 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| May 30, 12:56 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 59 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 |
| Tornado Watch | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Missoula County5
- Carter County3
- Treasure County3
- Flathead County2
- Big Horn County2
- Pondera County2
- Teton County2
- Chouteau County2
- Fergus County2
- Granite County2
- Lincoln County2
- Sanders County2
- Golden Valley County2
- Musselshell County2
- Powder River County2
- Rosebud County2
- Custer County1
- Beaverhead County1
- Broadwater County1
- Cascade County1
- Deer Lodge County1
- Gallatin County1
- Glacier County1
- Jefferson County1
- Lake County1
- Lewis and Clark County1
- Madison County1
- Meagher County1
- Park County1
- Powell County1
- Silver Bow County1
- Blaine County1
- Carbon County1
- Garfield County1
- Hill County1
- Judith Basin County1
- Liberty County1
- Petroleum County1
- Phillips County1
- Stillwater County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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. Rebuilt daily.