Alert archive / Montana / Red Flag Warnings in 2015
Red Flag Warning 8, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Aug 11, 2015, 11:26 AM MDT for 5 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Aug 11, 2015, 3:00 PM MDT. It was in force for 7 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 11, 2015, 11:26 AM MDT (17:26 UTC)
- In effect from
- Aug 11, 2015, 3:00 PM MDT
- Expired
- Aug 11, 2015, 10:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Granite County, MT, Lewis and Clark County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT
The radar
The Missoula radar (KMSX), 52 km from the middle of the area, began a volume at 17:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 11, 5:00 PM MDT | HAIL 0.75 | 8 E Pierce, ID | ALSO BRIEF HEAVY RAIN AND GUSTY WINDS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 5.4 hours before the alert went out and 221 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2189 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
811 WWUS85 KMSO 111726 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1126 AM MDT TUE AUG 11 2015 IDZ103-MTZ109-120200- /O.NEW.KMSO.FW.W.0008.150811T2100Z-150812T0200Z/ CLEARWATER/NEZ PERCE-BITTERROOT- 1126 AM MDT TUE AUG 11 2015 /1026 AM PDT TUE AUG 11 2015/ ...RED FLAG WARNING IN EFFECT FROM 3 PM MDT /2 PM PDT/ THIS AFTERNOON TO 8 PM MDT /7 PM PDT/ THIS EVENING FOR THUNDERSTORMS ACROSS THE CLEARWATER/NEZ PERCE...BITTERROOT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG WARNING FOR STRONG OUTFLOW WINDS WITH THUNDERSTORMS...WHICH IS IN EFFECT FROM 3 PM MDT /2 PM PDT/ THIS AFTERNOON TO 8 PM MDT /7 PM PDT/ THIS EVENING. * WINDS: GUSTY OUTFLOW WINDS ARE EXPECTED TO DEVELOP WITH THUNDERSTORMS AGAIN THIS AFTERNOON. WINDS IN EXCESS OF 40-50 MPH WILL BE POSSIBLE, WHICH COULD IMPACT NEW WILDFIRES IN THE AREA. * THUNDERSTORMS: WHILE PRECIPITATION IS POSSIBLE UNDER THUNDERSTORM CORES, WIDESPREAD WETTING RAINS ARE NOT ANTICIPATED. FREQUENT LIGHTNING WILL ALSO BE A THREAT, IN ADDITION TO GUSTY OUTFLOW WINDS. * TIMING: MID AFTERNOON THROUGH EARLY EVENING. $$ MTZ108-120400- /O.NEW.KMSO.FW.W.0008.150811T2300Z-150812T0400Z/ EAST LOLO- 1126 AM MDT TUE AUG 11 2015 ...RED FLAG WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 PM MDT THIS EVENING FOR THUNDERSTORMS ACROSS THE EAST LOLO... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG WARNING FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 PM MDT THIS EVENING. * WINDS: GUSTY OUTFLOW WINDS ARE EXPECTED TO DEVELOP WITH THUNDERSTORMS AGAIN THIS AFTERNOON. WINDS IN EXCESS OF 40-50 MPH WILL BE POSSIBLE, WHICH COULD IMPACT NEW WILDFIRES IN THE AREA. * THUNDERSTORMS: WHILE PRECIPITATION IS POSSIBLE UNDER THUNDERSTORM CORES, WIDESPREAD WETTING RAINS ARE NOT ANTICIPATED. FREQUENT LIGHTNING WILL ALSO BE A THREAT, IN ADDITION TO GUSTY OUTFLOW WINDS. * TIMING: LATE AFTERNOON THROUGH THIS EVENING. $$
1 follow-up statement
856 WWUS85 KMSO 120151 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 751 PM MDT TUE AUG 11 2015 IDZ103-MTZ109-120300- /O.CAN.KMSO.FW.W.0008.000000T0000Z-150812T0200Z/ CLEARWATER/NEZ PERCE-BITTERROOT- 751 PM MDT TUE AUG 11 2015 /651 PM PDT TUE AUG 11 2015/ ...RED FLAG WARNING IS CANCELLED FOR THE CLEARWATER/NEZ PERCE... BITTERROOT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE RED FLAG WARNING. THE MAJORITY OF THE THUNDERSTORM ACTIVITY HAS DIMINISHED. LITTLE DEVELOPMENT IS EXPECTED OVERNIGHT. $$ MTZ108-120400- /O.CON.KMSO.FW.W.0008.000000T0000Z-150812T0400Z/ EAST LOLO- 751 PM MDT TUE AUG 11 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR THE EAST LOLO... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING. * WINDS: GUSTY OUTFLOW WINDS ARE EXPECTED TO DEVELOP WITH THUNDERSTORMS AGAIN THIS AFTERNOON. WINDS IN EXCESS OF 40-50 MPH WILL BE POSSIBLE... WHICH COULD IMPACT NEW WILDFIRES IN THE AREA. * THUNDERSTORMS: WHILE PRECIPITATION IS POSSIBLE UNDER THUNDERSTORM CORES... WIDESPREAD WETTING RAINS ARE NOT ANTICIPATED. FREQUENT LIGHTNING WILL ALSO BE A THREAT... IN ADDITION TO GUSTY OUTFLOW WINDS. * TIMING: LATE AFTERNOON THROUGH THIS EVENING. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 6:04 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 26 min |
| Aug 10, 6:23 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 52 min |
| Aug 10, 6:40 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Missoula, Sanders | 50 min |
| Aug 10, 6:44 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Powell | 61 min |
| Aug 10, 7:18 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 42 min |
| Aug 10, 7:56 PM MDT | Special Weather Statement | MSO | Flathead | 49 min |
| Aug 10, 8:13 PM MDT | Special Weather Statement | MSO | Flathead | 47 min |
| Aug 10, 8:50 PM MDT | Special Weather Statement | MSO | Sanders | 55 min |
| Aug 11, 3:21 PM MDT | Special Weather Statement | MSO | Powell | 24 min |
| Aug 10, 6:06 PM MDT | Special Weather Statement | MSO | Lewis | 39 min |
| Aug 10, 6:10 PM MDT | Special Weather Statement | MSO | Idaho | 50 min |
| Aug 10, 6:34 PM MDT | Severe Thunderstorm Warning | MSO | Clearwater, Idaho | 26 min |
| Aug 10, 6:46 PM MDT | Special Weather Statement | MSO | Lewis | 29 min |
| Aug 10, 7:52 PM MDT | Special Weather Statement | MSO | Clearwater | 38 min |
| Aug 11, 5:01 PM MDT | Special Weather Statement | MSO | Clearwater | 29 min |
| Aug 11, 5:59 PM MDT | Special Weather Statement | MSO | Clearwater | 46 min |
Nearby
Red Flag Warnings in Montana, 2015Red Flag Warnings in Idaho, 2015Every red flag warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.