Alert archive / Montana / Red Flag Warnings in 2011
Red Flag Warning 3, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Aug 29, 2011, 2:16 PM MDT for 10 counties in Montana. It took effect at Aug 30, 2011, 3:00 PM MDT. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2011, 2:16 PM MDT (20:16 UTC)
- In effect from
- Aug 30, 2011, 3:00 PM MDT
- Expired
- Aug 30, 2011, 8:21 PM MDT
- In force
- 5 hr
- Issued by
- NWS Missoula, MT
Counties Beaverhead County, MT, Deer Lodge County, MT, Granite County, MT, Jefferson County, MT, Lewis and Clark County, MT, Madison County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 122 km from the middle of the area, began a volume at 20:16 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
Great_falls, MT (KTFX), launched 12:00Z, 8.3 hours before the alert went out and 226 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
- 3295 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- -13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
147 WWUS85 KMSO 292016 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 216 PM MDT MON AUG 29 2011 MTZ108>111-301200- /O.NEW.KMSO.FW.W.0003.110830T2100Z-110831T0600Z/ EAST LOLO-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 216 PM MDT MON AUG 29 2011 ...RED FLAG WARNING IN EFFECT FROM 3 PM TUESDAY TO MIDNIGHT MDT TUESDAY NIGHT FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE EAST LOLO...BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG WARNING FOR GUSTY WINDS AND LOW HUMIDITIES...WHICH IS IN EFFECT FROM 3 PM TUESDAY TO MIDNIGHT MDT TUESDAY NIGHT. * WINDS: SOUTHWEST TO WEST 15-20 MPH WITH GUSTS TO 30 MPH. * MINIMUM HUMIDITIES: LOW TEENS TO 20 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS ARE POSSIBLE BY MID AFTERNOON. * TIMING: WINDS WILL BEGIN TO INCREASE BY MID AFTERNOON AND WILL LINGER IN TO THE EVENING HOURS. HUMIDITY WILL INITIALLY START OUT FAIRLY HIGH IN THE MORNING. HOWEVER...THE HUMIDITY WILL DROP RAPIDLY WITH INCREASED WINDS IN THE AFTERNOON. INCREASED WINDS WILL IMPACT ANY HOLDOVER LIGHTNING STARTS FROM MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL SIGNIFICANTLY INCREASE FIRE DANGER. && $$
3 follow-up statements
029 WWUS85 KMSO 301042 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 442 AM MDT TUE AUG 30 2011 MTZ108>111-301845- /O.CON.KMSO.FW.W.0003.110830T2100Z-110831T0600Z/ EAST LOLO-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 442 AM MDT TUE AUG 30 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT MDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITY READINGS ACROSS THE EAST LOLO...BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... A RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT MDT TONIGHT. * WINDS: SOUTHWEST TO WEST 15-20 MPH WITH GUSTS TO 30 MPH. * MINIMUM HUMIDITIES: LOW TEENS TO 20 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS ARE POSSIBLE BY MID AFTERNOON. * TIMING: WINDS WILL BEGIN TO INCREASE BY MID AFTERNOON...LINGERING IN TO THE EVENING HOURS. HUMIDITY WILL INITIALLY START OUT FAIRLY HIGH IN THE MORNING. HOWEVER...THE HUMIDITY WILL DROP RAPIDLY WITH INCREASED WINDS IN THE AFTERNOON. INCREASED WINDS WILL IMPACT ANY HOLDOVER LIGHTNING STARTS FROM MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL SIGNIFICANTLY INCREASE FIRE DANGER. && $$
767 WWUS85 KMSO 301820 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1220 PM MDT TUE AUG 30 2011 MTZ108>111-310600- /O.CON.KMSO.FW.W.0003.110830T2100Z-110831T0600Z/ EAST LOLO-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 1220 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE EAST LOLO... BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * WINDS: SOUTHWEST TO WEST 15-20 MPH WITH GUSTS TO 30 MPH. * MINIMUM HUMIDITIES: LOW TEENS TO 20 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS ARE POSSIBLE BY MID AFTERNOON. * TIMING: WINDS WILL BEGIN TO INCREASE BY MID AFTERNOON... LINGERING IN TO THE EVENING HOURS. HUMIDITY WILL INITIALLY START OUT FAIRLY HIGH. HOWEVER...THE HUMIDITY WILL DROP RAPIDLY WITH INCREASED WINDS THIS AFTERNOON. INCREASED WINDS WILL IMPACT ANY HOLDOVER LIGHTNING STARTS FROM MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL SIGNIFICANTLY INCREASE FIRE DANGER. && $$
614 WWUS85 KMSO 310221 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 821 PM MDT TUE AUG 30 2011 MTZ108>111-310330- /O.CAN.KMSO.FW.W.0003.000000T0000Z-110831T0600Z/ EAST LOLO-BITTERROOT-DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 821 PM MDT TUE AUG 30 2011 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE EAST LOLO...BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE RED FLAG WARNING. WINDS WILL CONTINUE TO DECREASE...WITH RELATIVE HUMIDITIES RECOVERING THROUGH THE NIGHT. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 12:56 PM MDT | Special Weather Statement | MSO | Deer Lodge | 34 min |
Nearby
Red Flag Warnings in Montana, 2011Every red flag warning in 2011
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.