Red Flag Warning 4, NWS Great Falls, MT

Issued

Jul 10, 2017, 3:53 AM MDT (09:53 UTC)

In effect from

Jul 10, 2017, 12:00 PM MDT

Expired

Jul 10, 2017, 8:43 PM MDT

In force

9 hr

Issued by

NWS Great Falls, MT

Counties Blaine County, MT, Chouteau County, MT, Fergus County, MT, Hill County, MT, Phillips County, MT

The Great Falls radar (KTFX), 169 km from the middle of the area, began a volume at 09:56 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

231 
WWUS85 KTFX 100953
RFWTFX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
353 AM MDT Mon Jul 10 2017

MTZ113-115-102200-
/O.NEW.KTFX.FW.W.0004.170710T1800Z-170711T0500Z/
Hill and Blaine Counties-Chouteau and Fergus Counties-
353 AM MDT Mon Jul 10 2017

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 11 PM MDT THIS
EVENING...

The National Weather Service in Great Falls has issued a Red Flag
Warning, which is in effect from noon today to 11 PM MDT this
evening.

* IMPACTS: Low Humidities...Strong Gusty Winds...Dry 
  Thunderstorms with gusty and erratic outflow winds...and 
  Increasing Thunderstorm Activity will create erratic fire 
  behavior and new fire starts. 

* AFFECTED AREA: 
  In North Central Montana, Fire Weather Zones 113 and 115.

* COUNTIES AFFECTED: 
  In Central Montana, Fergus.
  In North Central Montana, Blaine, Chouteau, Hill, Phillips.

* WIND: West 5 to 15 mph with gusts up to 25 mph.

* THUNDERSTORMS: Erratic and gusty winds will be possible near and
  beneath any shower/thunderstorm this afternoon and evening.
  Little to no precipitation is expected with some of these storms.

* HUMIDITY: As low as 17 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly.  A combination of 
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.

&&

$$

http://weather.gov/greatfalls

917 
WWUS85 KTFX 102035
RFWTFX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
235 PM MDT Mon Jul 10 2017

MTZ113-115-110500-
/O.CON.KTFX.FW.W.0004.000000T0000Z-170711T0500Z/
Hill and Blaine Counties-Chouteau and Fergus Counties-
235 PM MDT Mon Jul 10 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities...Strong Gusty Winds...Dry 
  Thunderstorms with gusty and erratic outflow winds...and 
  Increasing Thunderstorm Activity will create erratic fire 
  behavior and new fire starts. 

* AFFECTED AREA: 
  In North Central Montana, Fire Weather Zones 113 and 115.

* COUNTIES AFFECTED: 
  In Central Montana, Fergus.
  In North Central Montana, Blaine, Chouteau, Hill, Phillips.

* WIND: West 10 to 15 mph with gusts up to 25 mph.

* THUNDERSTORMS: Erratic and gusty winds will be possible near 
  and beneath any shower/thunderstorm this afternoon and evening. 
  Little to no precipitation is expected with some of these 
  storms.

* HUMIDITY: As low as 14 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly.  A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.

Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.

&&

$$

http://weather.gov/greatfalls

502 
WWUS85 KTFX 110243
RFWTFX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
843 PM MDT Mon Jul 10 2017

MTZ113-115-110345-
/O.CAN.KTFX.FW.W.0004.000000T0000Z-170711T0500Z/
Hill and Blaine Counties-Chouteau and Fergus Counties-
843 PM MDT Mon Jul 10 2017

...RED FLAG WARNING IS CANCELLED...

The National Weather Service in Great Falls has cancelled the Red
Flag Warning.

Relative humidity has generally risen above 30 percent in the
warned area, winds have decreased significantly, and thunderstorms
that move through the area should mostly produce rain showers.

$$

http://weather.gov/greatfalls

Red Flag Warnings in Montana, 2017Every red flag warning in 2017

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.