Alert archive / Montana / Flash Flood Warnings

Flash Flood Warnings in Montana, 1999

15 flash flood warnings in 1999. 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 1999. Tap one for its archive.

Flash Flood Warnings
15
Busiest month
June5 flash flood warnings
Busiest day
April 9, 19992 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.

IssuedProductOfficeCountiesLasted
Apr 9, 2:02 PM MDTFlash Flood WarningBYZRosebud, Treasure2 hr
Apr 9, 3:52 PM MDTFlash Flood WarningGGWDawson, McCone4 hr
Apr 9, 6:36 PM MDTFlash Flood WarningGGWDaniels, Roosevelt3 hr
Jun 2, 8:11 PM MDTFlash Flood WarningTFXChouteau, Liberty3 hr
Jun 8, 12:43 AM MDTFlash Flood WarningGGWValley6 hr
Jun 20, 2:44 PM MDTFlash Flood WarningGGWRoosevelt3 hr
Jun 20, 5:59 PM MDTFlash Flood WarningGGWRoosevelt116 min
Jun 20, 8:25 PM MDTFlash Flood WarningGGWWibaux3 hr
Jul 14, 6:49 PM MDTFlash Flood WarningBYZRosebud2 hr
Jul 18, 7:46 PM MDTFlash Flood WarningGGWMcCone3 hr
Aug 2, 5:30 PM MDTFlash Flood WarningBYZBig Horn90 min
Aug 4, 7:44 PM MDTFlash Flood WarningBYZBig Horn56 min
Aug 7, 10:03 PM MDTFlash Flood WarningBYZGolden Valley, Musselshell2 hr
Aug 28, 12:29 PM MDTFlash Flood WarningGGWPhillips3 hr
Aug 28, 12:30 PM MDTFlash Flood WarningTFXBlaine, Fergus3 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 9, 19992flash flood warnings
  2. June 20, 19992flash flood warnings
  3. August 28, 19992flash flood warnings
  4. April 10, 19991flash flood warnings
  5. June 3, 19991flash flood warnings
  6. June 8, 19991flash flood warnings
  7. June 21, 19991flash flood warnings
  8. July 15, 19991flash flood warnings
  9. July 19, 19991flash flood warnings
  10. August 2, 19991flash flood warnings
  11. August 5, 19991flash flood warnings
  12. August 8, 19991flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive19982000

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.