Alert archive / Montana / Flash Flood Warnings
Flash Flood Warnings in Montana, 1998
25 flash flood warnings in 1998. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 1998. Tap one for its archive.
- Flash Flood Warnings
- 25
- Busiest month
- July22 flash flood warnings
- Busiest day
- July 5, 19987 flash flood warnings
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 |
|---|---|---|---|---|
| Jun 23, 5:31 PM MDT | Flash Flood Warning | BYZ | Fallon | 4 hr |
| Jun 23, 9:15 PM MDT | Flash Flood Warning | GGW | Roosevelt | 115 min |
| Jul 3, 3:55 AM MDT | Flash Flood Warning | BYZ | Wheatland | 6 hr |
| Jul 3, 4:26 AM MDT | Flash Flood Warning | BYZ | Musselshell | 2 hr |
| Jul 3, 4:34 PM MDT | Flash Flood Warning | MSO | Lake, Missoula, Sanders | 86 min |
| Jul 3, 6:12 PM MDT | Flash Flood Warning | MSO | Missoula, Powell | 53 min |
| Jul 3, 9:00 PM MDT | Flash Flood Warning | TFX | Chouteau, Fergus, Judith Basin | 3 hr |
| Jul 3, 11:39 PM MDT | Flash Flood Warning | GGW | Garfield, Phillips | 116 min |
| Jul 4, 5:39 PM MDT | Flash Flood Warning | GGW | Daniels | 2 hr |
| Jul 4, 7:03 PM MDT | Flash Flood Warning | GGW | Roosevelt | 3 hr |
| Jul 4, 8:04 PM MDT | Flash Flood Warning | GGW | Roosevelt | 4 hr |
| Jul 4, 8:23 PM MDT | Flash Flood Warning | GGW | Roosevelt | 6 hr |
| Jul 4, 9:30 PM MDT | Flash Flood Warning | GGW | Richland | 5 hr |
| Jul 4, 10:24 PM MDT | Flash Flood Warning | BYZ | Custer | 61 min |
| Jul 4, 11:11 PM MDT | Flash Flood Warning | BYZ | Custer | 64 min |
| Jul 4, 11:21 PM MDT | Flash Flood Warning | GGW | Dawson | 5 hr |
| Jul 5, 6:30 PM MDT | Flash Flood Warning | GGW | Roosevelt | 4 hr |
| Jul 5, 6:30 PM MDT | Flash Flood Warning | GGW | Roosevelt | 4 hr |
| Jul 5, 7:26 PM MDT | Flash Flood Warning | GGW | Daniels | 4 hr |
| Jul 5, 10:23 PM MDT | Flash Flood Warning | GGW | Roosevelt | 97 min |
| Jul 7, 7:12 PM MDT | Flash Flood Warning | BYZ | Carbon | 4 hr |
| Jul 8, 2:32 PM MDT | Flash Flood Warning | GGW | Roosevelt | 2 hr |
| Jul 9, 7:25 PM MDT | Flash Flood Warning | GGW | Wibaux | 115 min |
| Jul 27, 10:39 PM MDT | Flash Flood Warning | TFX | Teton | 3 hr |
| Aug 20, 7:58 PM MDT | Flash Flood Warning | BYZ | Big Horn | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Roosevelt County8
- Missoula County2
- Daniels County2
- Custer County2
- Fallon County1
- Wheatland County1
- Musselshell County1
- Lake County1
- Sanders County1
- Powell County1
- Chouteau County1
- Fergus County1
- Judith Basin County1
- Garfield County1
- Phillips County1
- Richland County1
- Dawson County1
- Carbon County1
- Wibaux County1
- Teton County1
- Big Horn County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Warning verification from the Mesonet's Cow. Rebuilt daily.