Alert archive / Montana / Red Flag Warnings in 2011
Red Flag Warning 1, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Aug 25, 2011, 3:54 AM MDT for 10 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Aug 25, 2011, 12:00 PM MDT. It was in force for 8 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 25, 2011, 3:54 AM MDT (09:54 UTC)
- In effect from
- Aug 25, 2011, 12:00 PM MDT
- Expired
- Aug 25, 2011, 8:09 PM MDT
- In force
- 8 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, 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), 103 km from the middle of the area, began a volume at 09:53 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 25, 4:54 PM MDT | TSTM WND GST 42 | Monida, MT | 42 MPH WIND GUST REPORTED FROM A THUNDERSTORM THAT MOVED OVER THE MONIDA PASS AUTOMATED DEPARTMENT OF TRANSPORTATION SITE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Great_falls, MT (KTFX), launched 00:00Z, 9.9 hours before the alert went out and 253 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
- 4774 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- -20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
552 WWUS85 KMSO 250954 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 354 AM MDT THU AUG 25 2011 IDZ103-MTZ108>111-251800- /O.UPG.KMSO.FW.A.0001.110825T1800Z-110826T0600Z/ /O.NEW.KMSO.FW.W.0001.110825T1800Z-110826T0600Z/ CLEARWATER/NEZ PERCE-EAST LOLO-BITTERROOT- DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 354 AM MDT THU AUG 25 2011 /254 AM PDT THU AUG 25 2011/ ...RED FLAG WARNING IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO MIDNIGHT MDT /11 PM PDT/ TONIGHT FOR THUNDERSTORMS ACROSS THE CLEARWATER/NEZ PERCE...EAST LOLO...BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG WARNING FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO MIDNIGHT MDT /11 PM PDT/ TONIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * THUNDERSTORMS: SCATTERED THUNDERSTORMS WITH LITTLE RAIN. * WINDS: STRONG WINDS WITH GUSTS UP TO 35 MPH WITH THUNDERSTORMS. * MINIMUM HUMIDITIES: LOW TEENS TO LOW 20S. * TIMING: THUNDERSTORMS WILL INCREASE THIS AFTERNOON AND CONTINUE THROUGH THIS EVENING. THE STORMS WILL DIE OFF THIS EVENING. 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. && $$
2 follow-up statements
041 WWUS85 KMSO 251558 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 958 AM MDT THU AUG 25 2011 IDZ103-MTZ108>111-260600- /O.CON.KMSO.FW.W.0001.110825T1800Z-110826T0600Z/ CLEARWATER/NEZ PERCE-EAST LOLO-BITTERROOT- DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 958 AM MDT THU AUG 25 2011 /858 AM PDT THU AUG 25 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT /11 PM PDT/ TONIGHT FOR THUNDERSTORMS ACROSS THE CLEARWATER/NEZ PERCE... EAST LOLO...BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT /11 PM PDT/ TONIGHT. * THUNDERSTORMS: SCATTERED THUNDERSTORMS WITH LITTLE RAIN. * WINDS: STRONG WINDS WITH GUSTS UP TO 35 MPH WITH THUNDERSTORMS. * MINIMUM HUMIDITIES: LOW TEENS TO LOW 20S. * TIMING: THUNDERSTORMS WILL INCREASE THIS AFTERNOON AND CONTINUE THROUGH THIS EVENING. THE STORMS WILL DIE OFF THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT ALONG WITH SUFFICIENTLY DRY FUELS...WILL SIGNIFICANTLY INCREASE FIRE DANGER. && $$
814 WWUS85 KMSO 260209 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 809 PM MDT THU AUG 25 2011 IDZ103-MTZ108>111-260315- /O.CAN.KMSO.FW.W.0001.000000T0000Z-110826T0600Z/ CLEARWATER/NEZ PERCE-EAST LOLO-BITTERROOT- DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 809 PM MDT THU AUG 25 2011 /709 PM PDT THU AUG 25 2011/ ...RED FLAG WARNING IS CANCELLED FOR THE CLEARWATER/NEZ PERCE... EAST LOLO...BITTERROOT...DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE RED FLAG WARNING. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 12:46 AM MDT | Special Weather Statement | MSO | Missoula | 44 min |
| Aug 25, 4:49 PM MDT | Special Weather Statement | MSO | Deer Lodge | 56 min |
| Aug 25, 5:28 PM MDT | Special Weather Statement | MSO | Deer Lodge | 32 min |
| Aug 25, 5:36 PM MDT | Special Weather Statement | MSO | Ravalli | 9 min |
Nearby
Red Flag Warnings in Montana, 2011Red Flag Warnings in Idaho, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.