Alert archive / Idaho / Red Flag Warnings in 2017

Red Flag Warning 2, NWS Pocatello, ID

July 9, 201713 counties in Idaho

NWS Pocatello, ID issued this red flag warning at Jul 9, 2017, 1:57 PM MDT for 13 counties in Idaho. It took effect at Jul 10, 2017, 12:00 PM MDT. It was in force for 9 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
Jul 9, 2017, 1:57 PM MDT (19:57 UTC)
In effect from
Jul 10, 2017, 12:00 PM MDT
Expired
Jul 10, 2017, 9:00 PM MDT
In force
9 hr
Issued by
NWS Pocatello, ID

Counties Bingham County, ID, Blaine County, ID, Bonneville County, ID, Butte County, ID, Clark County, ID, Fremont County, ID, Jefferson County, ID, Jerome County, ID, Lincoln County, ID, Madison County, ID, Minidoka County, ID, Power County, ID, Teton County, ID

The radar

The Pocatello radar (KSFX), 38 km from the middle of the area, began a volume at 19:57 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

Boise Airport, ID (KBOI), launched 12:00Z, 8.0 hours before the alert went out and 283 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.

Skew-T log-pSkew-T log-p diagram, Boise Airport, ID at 12:00Z on 2017-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 290 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 12:00Z on 2017-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
290 J/kg
Mixed-layer CIN
-488 J/kg
Mixed-layer LCL
3044 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

222 
WWUS85 KPIH 091957
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
157 PM MDT Sun Jul 9 2017


IDZ410-101000-
/O.UPG.KPIH.FW.A.0001.170710T1800Z-170711T0300Z/
/O.NEW.KPIH.FW.W.0002.170710T1800Z-170711T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
157 PM MDT Sun Jul 9 2017

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT MONDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 410...

The National Weather Service in Pocatello has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Monday. The
Fire Weather Watch is no longer in effect. 


* AFFECTED AREA...Southeast Idaho fire weather zone 410 below 
  6000 feet. 

* WIND...Gusts to 35 mph.

* HUMIDITY...10 to 15 percent.

* HIGHEST THREAT...is located across the Arco Desert including 
  INL.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. Fires may experience
rapid rates of growth. Please advise the appropriate officials or
fire crews in the field of the red flag warning for portions of
Southeast Idaho.

&&

$$

IDZ425-101000-
/O.NEW.KPIH.FW.W.0002.170710T1800Z-170711T0300Z/
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
157 PM MDT Sun Jul 9 2017

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT MONDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 425...

The National Weather Service in Pocatello has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Monday. 

* AFFECTED AREA...Fire weather zone 425.

* WIND...Gusts to 30 mph

* HUMIDITY...10 to 15 percent

* HIGHEST THREAT...is located from Shoshone and points north and
  east up to Craters of the Moon.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. Fires may experience
rapid rates of growth. Please advise the appropriate officials or
fire crews in the field of the red flag warning for portions of
Southeast Idaho.

&&

$$
4 follow-up statements
317 
WWUS85 KPIH 100931
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
331 AM MDT Mon Jul 10 2017


IDZ410-425-102100-
/O.CON.KPIH.FW.W.0002.170710T1800Z-170711T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
331 AM MDT Mon Jul 10 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 410 AND 425...

* AFFECTED AREA...Southeast Idaho fire weather zone 410 below 
  6000 feet. 

* WIND...Gusts of 30 to 35 mph.

* HUMIDITY...10 to 15 percent.

* HIGHEST THREAT...is located across the Arco Desert including
  INL, Shoshone, and Craters of the Moon.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. Fires may experience
rapid rates of growth. Please advise the appropriate officials or
fire crews in the field of the red flag warning for portions of
Southeast Idaho.

&&

$$
143 
WWUS85 KPIH 100933 AAA
RFWPIH

URGENT - FIRE WEATHER MESSAGE...UPDATED
National Weather Service Pocatello ID
333 AM MDT Mon Jul 10 2017

...CORRECTED TO INCLUDE ZONE 425 IN THE AFFECTED AREA SECTION...

IDZ410-425-102100-
/O.CON.KPIH.FW.W.0002.170710T1800Z-170711T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
333 AM MDT Mon Jul 10 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 410 AND 425...

* AFFECTED AREA...Southeast Idaho fire weather zone 410 below 
  6000 feet and zone 425. 

* WIND...Gusts of 30 to 35 mph.

* HUMIDITY...10 to 15 percent.

* HIGHEST THREAT...is located across the Arco Desert including 
  INL, Shoshone, and Craters of the Moon.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. Fires may experience
rapid rates of growth. Please advise the appropriate officials or
fire crews in the field of the red flag warning for portions of
Southeast Idaho.

&&

$$
540 
WWUS85 KPIH 102103
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
303 PM MDT Mon Jul 10 2017

IDZ410-425-110300-
/O.CON.KPIH.FW.W.0002.000000T0000Z-170711T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
303 PM MDT Mon Jul 10 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 425 AND 
ZONE 410 BELOW 6000 FEET...

* AFFECTED AREA...Southeast Idaho fire weather zone 410 below 
  6000 feet and zone 425. 

* WIND...Gusts of 30 to 35 mph.

* HUMIDITY...10 to 15 percent.

* HIGHEST THREAT...is located across the Arco Desert including 
  INL, Shoshone, and Craters of the Moon.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. Fires may experience
rapid rates of growth. Please advise the appropriate officials or
fire crews in the field of the red flag warning for portions of
Southeast Idaho.

&&

$$
552 
WWUS85 KPIH 110255
RFWPIH

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
855 PM MDT Mon Jul 10 2017

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 425 AND ZONE
410 BELOW 6000 FEET...

IDZ410-425-110400-
/O.EXP.KPIH.FW.W.0002.000000T0000Z-170711T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
855 PM MDT Mon Jul 10 2017

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 425 AND ZONE
410 BELOW 6000 FEET...

We are no longer seeing widespread strong winds and humidity below
15 percent at this hour. Therefore, the warning is going to expire
on time. HOWEVER, localized areas will continue to see critical 
conditions through midnight. 

$$

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 7:00 PM MDTSpecial Weather StatementPIHBear Lake45 min
Jul 9, 3:31 AM MDTFire Weather WatchPIHBingham, Bonneville, Butte, Clark, Fremont, Jefferson and 3 more10 hr
Jul 9, 1:51 PM MDTSpecial Weather StatementPIHClark54 min
Jul 9, 1:56 PM MDTSpecial Weather StatementPIHOneida64 min
Jul 9, 3:33 PM MDTSpecial Weather StatementPIHBonneville42 min
Jul 9, 3:41 PM MDTSpecial Weather StatementPIHFremont34 min
Jul 9, 4:02 PM MDTSpecial Weather StatementPIHFranklin28 min
Jul 9, 4:13 PM MDTSpecial Weather StatementPIHCassia47 min
Jul 9, 5:33 PM MDTSpecial Weather StatementPIHPower42 min

Nearby

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

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.