Alert archive / Montana / Flash Flood Watches in 2021
Flash Flood Watch 2, NWS Great Falls, MT
NWS Great Falls, MT issued this flash flood watch at Jul 31, 2021, 10:42 AM MDT. It took effect at Aug 1, 2021, 12:00 PM MDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jul 31, 2021, 10:42 AM MDT (16:42 UTC)
- In effect from
- Aug 1, 2021, 12:00 PM MDT
- Expired
- Aug 2, 2021, 12:00 AM MDT
- In force
- 12 hr
- Issued by
- NWS Great Falls, MT
- Flood severity
- None
The text
As transmitted.
878 WGUS65 KTFX 311642 FFATFX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Great Falls MT 1042 AM MDT Sat Jul 31 2021 MTZ008-011100- /O.NEW.KTFX.FF.A.0002.210801T1800Z-210802T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Beaverhead- Including the cities of Dillon, Big Hole Pass, Monida Pass, Wisdom, Wise River, and Chief Joseph Pass 1042 AM MDT Sat Jul 31 2021 ...FLASH FLOOD WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... The National Weather Service in Great Falls has issued a * Flash Flood Watch for A portion of southwest Montana, including the following area, Beaverhead. * From Sunday afternoon through Sunday evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ RG
4 follow-up statements
089 WGUS65 KTFX 010741 FFATFX Flood Watch National Weather Service Great Falls MT 141 AM MDT Sun Aug 1 2021 MTZ008-012100- /O.CON.KTFX.FF.A.0002.210801T1800Z-210802T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Beaverhead- Including the cities of Dillon, Big Hole Pass, Monida Pass, Wisdom, Wise River, and Chief Joseph Pass 141 AM MDT Sun Aug 1 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM NOON MDT TODAY THROUGH THIS EVENING... The Flash Flood Watch continues for * A portion of southwest Montana, including the following area, Beaverhead. * From Noon MDT today through this evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. If recreating in the backcountry, be prepared to seek higher ground should flooding occur. && $$ Moldan
639 WGUS65 KTFX 011725 FFATFX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Great Falls MT 1125 AM MDT Sun Aug 1 2021 MTZ008-020500- /O.NEW.KTFX.FF.A.0003.210802T1800Z-210803T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ /O.CON.KTFX.FF.A.0002.210801T1800Z-210802T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Beaverhead- Including the cities of Dillon, Big Hole Pass, Monida Pass, Wisdom, Wise River, and Chief Joseph Pass 1125 AM MDT Sun Aug 1 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... ...FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... The National Weather Service in Great Falls has issued a * Flash Flood Watch for A portion of southwest Montana, including the following area, Beaverhead. * From Monday afternoon through Monday evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && The Flash Flood Watch continues for * A portion of southwest Montana, including the following area, Beaverhead. * Until 9 PM MDT this evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. If recreating in the backcountry, be prepared to seek higher ground should flooding occur. && $$ MTZ012-015-052>055-020500- /O.NEW.KTFX.FF.A.0003.210802T1800Z-210803T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cascade-Madison-Jefferson-Broadwater-Meagher-Gallatin- Including the cities of Deep Creek Pass, Bozeman Pass, Martinsdale, Townsend, Twin Bridges, West Yellowstone, Targhee Pass, Raynolds Pass, Whitehall, Battle Ridge Pass, Great Falls, Boulder Hill, Kings Hill Pass, Boulder, Montana City, Bozeman Apt, Cascade, Elk Park Pass, Toston, Ennis, Virginia City, Winston, Norris Hill, City of Bozeman, White Sulphur Springs, Homestake Pass, and Belt 1125 AM MDT Sun Aug 1 2021 ...FLASH FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... The National Weather Service in Great Falls has issued a * Flash Flood Watch for Portions of central and southwest Montana, including the following areas, in central Montana, Cascade and Meagher. In southwest Montana, Broadwater, Gallatin, Jefferson and Madison. * From Monday afternoon through Monday evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
922 WGUS65 KTFX 020215 FFATFX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Great Falls MT 815 PM MDT Sun Aug 1 2021 MTZ008-020600- /O.EXT.KTFX.FF.A.0002.000000T0000Z-210802T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ /O.CON.KTFX.FF.A.0003.210802T1800Z-210803T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Beaverhead- Including the cities of Dillon, Big Hole Pass, Monida Pass, Wisdom, Wise River, and Chief Joseph Pass 815 PM MDT Sun Aug 1 2021 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... The Flash Flood Watch is now in effect for * A portion of southwest Montana, including the following area, Beaverhead. * Until Midnight MDT tonight. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. If recreating in the backcountry, be prepared to seek higher ground should flooding occur. && The Flash Flood Watch continues for * A portion of southwest Montana, including the following area, Beaverhead. * From Monday afternoon through Monday evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ MTZ012-015-052>055-020600- /O.CON.KTFX.FF.A.0003.210802T1800Z-210803T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cascade-Madison-Jefferson-Broadwater-Meagher-Gallatin- Including the cities of Deep Creek Pass, Bozeman Pass, Martinsdale, Townsend, Twin Bridges, West Yellowstone, Targhee Pass, Raynolds Pass, Whitehall, Battle Ridge Pass, Great Falls, Boulder Hill, Kings Hill Pass, Boulder, Montana City, Bozeman Apt, Cascade, Elk Park Pass, Toston, Ennis, Virginia City, Winston, Norris Hill, City of Bozeman, White Sulphur Springs, Homestake Pass, and Belt 815 PM MDT Sun Aug 1 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... The Flash Flood Watch continues for * Portions of central and southwest Montana, including the following areas, in central Montana, Cascade and Meagher. In southwest Montana, Broadwater, Gallatin, Jefferson and Madison. * From Monday afternoon through Monday evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Fogleman
953 WGUS65 KTFX 020538 FFATFX Flood Watch National Weather Service Great Falls MT 1138 PM MDT Sun Aug 1 2021 MTZ008-022200- /O.EXP.KTFX.FF.A.0002.000000T0000Z-210802T0600Z/ /O.CON.KTFX.FF.A.0003.210802T1800Z-210803T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Beaverhead- Including the cities of Dillon, Big Hole Pass, Monida Pass, Wisdom, Wise River, and Chief Joseph Pass 1138 PM MDT Sun Aug 1 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... ...FLASH FLOOD WATCH WILL EXPIRE AT MIDNIGHT MDT TONIGHT... The Flash Flood Watch for A portion of southwest Montana, including the following area, Beaverhead. will expire at Midnight MDT tonight. Flooding is no longer expected to pose a threat. The Flash Flood Watch continues for * A portion of southwest Montana, including the following area, Beaverhead. * From Monday afternoon through Monday evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ MTZ012-015-052>055-022200- /O.CON.KTFX.FF.A.0003.210802T1800Z-210803T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cascade-Madison-Jefferson-Broadwater-Meagher-Gallatin- Including the cities of Deep Creek Pass, Bozeman Pass, Martinsdale, Townsend, Twin Bridges, West Yellowstone, Targhee Pass, Raynolds Pass, Whitehall, Battle Ridge Pass, Great Falls, Boulder Hill, Kings Hill Pass, Boulder, Montana City, Bozeman Apt, Cascade, Elk Park Pass, Toston, Ennis, Virginia City, Winston, Norris Hill, City of Bozeman, White Sulphur Springs, Homestake Pass, and Belt 1138 PM MDT Sun Aug 1 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... The Flash Flood Watch continues for * Portions of central and southwest Montana, including the following areas, in central Montana, Cascade and Meagher. In southwest Montana, Broadwater, Gallatin, Jefferson and Madison. * From Monday afternoon through Monday evening. * Slow moving showers and thunderstorms capable of producing heavy rain may result in flash flooding, including debris flows from area burn scars. * Backcountry roads, particularly those vulnerable to flash flooding, may become impassable or cut off. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ mpj
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 9:49 PM MDT | Special Weather Statement | TFX | Glacier | 41 min |
| Jul 31, 3:12 AM MDT | Fire Weather Watch | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Liberty and 3 more | 10 hr |
| Jul 31, 1:32 PM MDT | Special Weather Statement | TFX | Judith Basin | 28 min |
| Jul 31, 1:36 PM MDT | Red Flag Warning | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Liberty and 3 more | 31 hr |
| Jul 31, 2:32 PM MDT | Special Weather Statement | TFX | Judith Basin | 28 min |
Nearby
Flash Flood Watches in Montana, 2021Every flash flood watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.