Alert archive / Montana / Flash Flood Warnings in 2012
Flash Flood Warning 1, NWS Missoula, MT
NWS Missoula, MT issued this flash flood warning at Jun 26, 2012, 11:11 AM MDT for Flathead County, Montana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 26, 2012, 11:11 AM MDT (17:11 UTC)
- Expired
- Jun 26, 2012, 2:05 PM MDT
- In force
- 3 hr
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
- Flood severity
- None
County Flathead County, MT
The radar
The Missoula radar (KMSX), 190 km from the middle of the area, began a volume at 17:14 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 5.2 hours before the alert went out and 223 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 29 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1214 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
249 WGUS55 KMSO 261711 FFWMSO MTC029-261915- /O.NEW.KMSO.FF.W.0001.120626T1711Z-120626T1915Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MISSOULA MT 1111 AM MDT TUE JUN 26 2012 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * FLASH FLOOD WARNING FOR GOING TO THE SUN ROAD IN GLACIER NATIONAL PARK IN NORTHERN FLATHEAD COUNTY IN NORTHWEST MONTANA... * UNTIL 115 PM MDT. * AT 1100 AM MDT...DOPPLER RADAR INDICATED RAINFALL CAPABLE OF CAUSING FLASH FLOODING OVER GOING TO THE SUN ROAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT FLOODING...MUD AND DEBRIS FLOWS ARE IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. && LAT...LON 4877 11387 4877 11376 4871 11371 4869 11392 $$
2 follow-up statements
472 WGUS55 KMSO 261907 FFWMSO MTC029-262015- /O.EXT.KMSO.FF.W.0001.000000T0000Z-120626T2015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MISSOULA MT 107 PM MDT TUE JUN 26 2012 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS EXTENDED THE * FLASH FLOOD WARNING FOR GOING TO THE SUN ROAD IN GLACIER NATIONAL PARK IN NORTHERN FLATHEAD COUNTY IN NORTHWEST MONTANA. * UNTIL 215 PM MDT. * AT 1254 PM MDT...DOPPLER RADAR INDICATED MODERATE RAIN CONTINUING TO FALL OVER THE GOING TO THE SUN ROAD IN GLACIER NATIONAL PARK. THIS ADDITIONAL RAINFALL RUNOFF COULD CONTINUE TO TRIGGER ROCK SLIDES AND BRING FLOODING WATER ONTO THE ROAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT FLOODING...MUD AND DEBRIS FLOWS ARE IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. && LAT...LON 4877 11387 4877 11376 4871 11371 4869 11392 $$
550 WGUS75 KMSO 262005 FFSMSO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 205 PM MDT TUE JUN 26 2012 MTC029-262012- /O.CAN.KMSO.FF.W.0001.000000T0000Z-120626T2015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ FLATHEAD MT- 205 PM MDT TUE JUN 26 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR GOING TO THE SUN ROAD IN GLACIER NATIONAL PARK IN NORTHERN FLATHEAD COUNTY... RAINFALL HAS BEGUN TO TAPER OFF IN GLACIER NATIONAL PARK...THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELED FOR GOING TO THE SUN ROAD. LAT...LON 4877 11387 4877 11376 4871 11371 4869 11392 $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 2:16 AM MDT | Special Weather Statement | MSO | Missoula | 44 min |
| Jun 26, 2:35 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 21 hr |
| Jun 26, 2:54 AM MDT | Special Weather Statement | MSO | Flathead | 36 min |
| Jun 26, 3:59 AM MDT | Special Weather Statement | MSO | Flathead | 31 min |
| Jun 26, 4:24 AM MDT | Special Weather Statement | MSO | Flathead | 36 min |
| Jun 26, 5:02 AM MDT | Special Weather Statement | MSO | Sanders | 28 min |
| Jun 26, 5:15 AM MDT | Special Weather Statement | MSO | Flathead | 30 min |
| Jun 26, 5:41 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 34 min |
| Jun 26, 6:00 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 30 min |
| Jun 26, 6:25 AM MDT | Severe Thunderstorm Warning | MSO | Flathead | 35 min |
| Jun 26, 6:38 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lincoln, Sanders | 52 min |
| Jun 26, 6:53 AM MDT | Severe Thunderstorm Warning | MSO | Flathead | 37 min |
| Jun 26, 8:50 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 9 hr |
| Jun 26, 10:07 AM MDT | Areal Flood Advisory | MSO | Lake | 9 hr |
| Jun 26, 10:08 AM MDT | Special Weather Statement | MSO | Flathead, Lake | 52 min |
| Jun 26, 10:11 AM MDT | Special Weather Statement | MSO | Granite, Missoula | 49 min |
| Jun 26, 10:25 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Missoula | 50 min |
| Jun 26, 11:09 AM MDT | Severe Thunderstorm Warning | MSO | Flathead, Missoula, Powell | 35 min |
| Jun 26, 1:16 PM MDT | Areal Flood Warning | MSO | Flathead | 24 hr |
Nearby
Flash Flood Warnings in Montana, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.