Alert archive / Idaho / Red Flag Warnings in 2017

Red Flag Warning 13, NWS Boise, ID

September 2, 20176 counties in Idaho

NWS Boise, ID issued this red flag warning at Sep 2, 2017, 2:34 PM MDT for 6 counties in Idaho. It took effect at Sep 3, 2017, 10:00 AM MDT. It was in force for 4 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 2, 2017, 2:34 PM MDT (20:34 UTC)
In effect from
Sep 3, 2017, 10:00 AM MDT
Expired
Sep 6, 2017, 10:00 PM MDT
In force
4 days
Issued by
NWS Boise, ID

Counties Boise County, ID, Camas County, ID, Elmore County, ID, Gem County, ID, Idaho County, ID, Valley County, ID

The radar

The Boise radar (KCBX), 100 km from the middle of the area, began a volume at 20:38 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, 8.6 hours before the alert went out and 90 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 2017-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3325 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

124 
WWUS85 KBOI 022034
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
234 PM MDT Sat Sep 2 2017

...HAINES 6 CONDITIONS EXPECTED SUNDAY AND MONDAY...

.An increasingly hot, dry, and unstable air mass will build over
the Great Basin Sunday through Tuesday. Haines 6 conditions are 
expected to last through Monday night.

IDZ402-403-421-032200-
/O.UPG.KBOI.FW.A.0006.170903T1600Z-170904T0400Z/
/O.NEW.KBOI.FW.W.0013.170903T1600Z-170905T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
234 PM MDT Sat Sep 2 2017

...RED FLAG WARNING IN EFFECT FROM 10 AM SUNDAY TO 10 PM MDT
MONDAY FOR HIGH HAINES FOR THE EASTERN PAYETTE NATIONAL 
FOREST, BOISE NATIONAL FOREST, AND WESTERN SAWTOOTH NATIONAL 
FOREST - WHICH ARE FIRE WEATHER ZONES 402, 403, AND 421...

The National Weather Service in Boise has issued a Red Flag
Warning, which is in effect from 10 AM Sunday to 10 PM MDT
Monday. The Fire Weather Watch is no longer in effect. 

* HAINES...6 by mid-day Sunday Through Sunday evening and again
  beginning mid-day on Monday through Monday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$


H
9 follow-up statements
218 
WWUS85 KBOI 031410
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
810 AM MDT Sun Sep 3 2017

...HAINES 6 CONDITIONS EXPECTED TODAY AND MONDAY...

.An increasingly hot, dry, and unstable air mass over the Great 
Basin today will will remain in place through Tuesday. Haines 6 
conditions are expected to last through Monday night.

IDZ402-403-421-032215-
/O.CON.KBOI.FW.W.0013.170903T1600Z-170905T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
810 AM MDT Sun Sep 3 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT MONDAY FOR
HIGH HAINES FOR EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE
NATIONAL FOREST AND SOUTHERN BOISE NATIONAL FOREST/WESTERN
SAWTOOTH NATIONAL FOREST...WHICH ARE FIRE WEATHER ZONES 402...
403 AND 421...

* HAINES...6 by early afternoon through this evening and again 
  beginning mid- day on Monday through Monday evening. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$


H
824 
WWUS85 KBOI 032041
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
241 PM MDT Sun Sep 3 2017

...HAINES 6 CONDITIONS EXPECTED THROUGH MONDAY NIGHT...

.An increasingly hot, dry, and unstable air mass over the Great
Basin today will will remain in place through Tuesday. Haines
6 conditions are expected to last through Monday night.

IDZ402-403-421-042200-
/O.CON.KBOI.FW.W.0013.000000T0000Z-170905T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
241 PM MDT Sun Sep 3 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT MONDAY FOR
HIGH HAINES FOR EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE
NATIONAL FOREST AND SOUTHERN BOISE NATIONAL FOREST/WESTERN
SAWTOOTH NATIONAL FOREST...WHICH ARE FIRE WEATHER ZONES 402...
403 AND 421...

* HAINES...6 through this evening and again beginning mid- day on
  Monday through Monday evening. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$


H
449 
WWUS85 KBOI 041400
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
800 AM MDT Mon Sep 4 2017

...HAINES 6 CONDITIONS EXPECTED THROUGH MONDAY NIGHT...

.An increasingly hot, dry, and unstable air mass over the Great
Basin will remain in place through Wednesday. Haines 6 conditions
are expected to last through this evening. 

IDZ402-403-421-042200-
/O.CON.KBOI.FW.W.0013.000000T0000Z-170905T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
800 AM MDT Mon Sep 4 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR HIGH HAINES FOR EASTERN PAYETTE NATIONAL FOREST...
NORTHERN BOISE NATIONAL FOREST AND SOUTHERN BOISE NATIONAL
FOREST/WESTERN SAWTOOTH NATIONAL FOREST...WHICH ARE FIRE WEATHER
ZONES 402...403 AND 421...

* HAINES...6 through this evening. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$


H
601 
WWUS85 KBOI 042014
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
214 PM MDT Mon Sep 4 2017

...HAINES 6 CONDITIONS EXPECTED THROUGH WEDNESDAY NIGHT...

.Hot, dry, and unstable airmass over the region will remain in 
place through Wednesday evening. This will continue high Haines 6
conditions for Eastern Payette National Forest and the Boise 
National Forest/Western Sawtooth National Forest districts.

IDZ402-403-421-052200-
/O.EXT.KBOI.FW.W.0013.000000T0000Z-170907T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
214 PM MDT Mon Sep 4 2017

...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM MDT WEDNESDAY FOR
HIGH HAINES FOR EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE
NATIONAL FOREST AND SOUTHERN BOISE NATIONAL FOREST/WESTERN
SAWTOOTH NATIONAL FOREST...WHICH ARE FIRE WEATHER ZONES 402...
403 AND 421...

* HAINES...6 through Wednesday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$


H
411 
WWUS85 KBOI 051432
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
832 AM MDT Tue Sep 5 2017

...HAINES 6 CONDITIONS EXPECTED THROUGH WEDNESDAY NIGHT...

.Hot, dry, and unstable airmass over the region will remain in
place through Wednesday evening. This will continue high Haines
6 conditions for Eastern Payette National Forest and the Boise
National Forest/Western Sawtooth National Forest districts.

IDZ402-403-421-052245-
/O.CON.KBOI.FW.W.0013.000000T0000Z-170907T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
832 AM MDT Tue Sep 5 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT WEDNESDAY
FOR HIGH HAINES FOR EASTERN PAYETTE NATIONAL FOREST...NORTHERN
BOISE NATIONAL FOREST AND SOUTHERN BOISE NATIONAL FOREST/WESTERN
SAWTOOTH NATIONAL FOREST...WHICH ARE FIRE WEATHER ZONES 402...
403 AND 421...

* HAINES...6 through Wednesday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$
488 
WWUS85 KBOI 052037
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
237 PM MDT Tue Sep 5 2017

...HAINES 6 CONDITIONS EXPECTED THROUGH WEDNESDAY NIGHT...

.Hot, dry, and unstable airmass over the region will remain in
place through Wednesday evening. This will continue high Haines
6 conditions for Eastern Payette National Forest and the Boise
National Forest/Western Sawtooth National Forest districts.

IDZ402-403-421-062200-
/O.CON.KBOI.FW.W.0013.000000T0000Z-170907T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
237 PM MDT Tue Sep 5 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT WEDNESDAY
FOR HIGH HAINES FOR EASTERN PAYETTE NATIONAL FOREST...NORTHERN
BOISE NATIONAL FOREST AND SOUTHERN BOISE NATIONAL FOREST/WESTERN
SAWTOOTH NATIONAL FOREST...WHICH ARE FIRE WEATHER ZONES 402...
403 AND 421...

* HAINES...6 through Wednesday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$


H
094 
WWUS85 KBOI 061430
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
830 AM MDT Wed Sep 6 2017

...HAINES 6 CONDITIONS TO PERSIST THROUGH TONIGHT...

.A hot, dry, and unstable airmass over the region will remain in 
place through tonight. This will continue the Haines 6 conditions
across the eastern Payette National Forest, Boise National Forest,
and western Sawtooth National Forest; which are zones 402, 403
and 421.

IDZ402-403-421-070400-
/O.CON.KBOI.FW.W.0013.000000T0000Z-170907T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
830 AM MDT Wed Sep 6 2017

...RED FLAG WARNING FOR HIGH HAINES REMAINS IN EFFECT UNTIL 10 PM
MDT TONIGHT ACROSS THE EASTERN PAYETTE NATIONAL FOREST, BOISE 
NATIONAL FOREST, AND WESTERN SAWTOOTH NATIONAL FOREST - WHICH ARE
FIRE WEATHER ZONES 402, 403, AND 421...

* HAINES...6 through tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$


H
920 
WWUS85 KBOI 062107
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
307 PM MDT Wed Sep 6 2017

...HAINES 6 CONDITIONS TO PERSIST THROUGH TONIGHT...
...SCATTERED THUNDERSTORMS ACROSS EASTERN OREGON ON THURSDAY...

.A hot, dry, and unstable airmass over the region will remain in 
place through tonight. This will continue the Haines 6 conditions 
across the eastern Payette National Forest, Boise National Forest,
and western Sawtooth National Forest. On Thursday, southerly flow
aloft will pull mid-level moisture northward into Oregon. This 
moisture will help generate scattered showers and thunderstorms 
across fire weather zones 636, 637, and 646 beginning Thursday 
afternoon.

ORZ636-637-070400-
/O.NEW.KBOI.FW.W.0014.170907T2100Z-170908T0800Z/
Burns BLM-Vale BLM-
307 PM MDT Wed Sep 6 2017 /207 PM PDT Wed Sep 6 2017/

...A RED FLAG WARNING FOR LIGHTNING IS IN EFFECT FROM 3 PM MDT /2
PM PDT/ THURSDAY TO 2 AM MDT /1 AM PDT/ FRIDAY FOR THE BURNS BLM 
AND VALE BLM, WHICH ARE FIRE WEATHER ZONES 636 AND 637...

The National Weather Service in Boise has issued a Red Flag
Warning, which is in effect from 3 PM MDT /2 PM PDT/ Thursday to
2 AM MDT /1 AM PDT/ Friday. 


* THUNDERSTORMS...Scattered in coverage by Thursday afternoon.

* OUTFLOW WINDS...Up to 55 mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$

ORZ646-070400-
/O.NEW.KBOI.FW.W.0014.170908T0000Z-170908T1000Z/
Baker Valley-
207 PM PDT Wed Sep 6 2017

...RED FLAG WARNING FOR LIGHTNING IN EFFECT FROM 5 PM THURSDAY TO
3 AM PDT FRIDAY FOR LIGHTNING FOR BAKER VALLEY, WHICH IS FIRE 
WEATHER ZONE 646...

The National Weather Service in Boise has issued a Red Flag
Warning, which is in effect from 5 PM Thursday to 3 AM PDT
Friday. 

* THUNDERSTORMS...Isolated in coverage mid-day Thursday, becoming
  scattered in coverage by late Thursday afternoon.

* OUTFLOW WINDS...Up to 55 mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.
&&

$$

IDZ402-403-421-070400-
/O.CON.KBOI.FW.W.0013.000000T0000Z-170907T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
307 PM MDT Wed Sep 6 2017

...RED FLAG WARNING FOR HIGH HAINES REMAINS IN EFFECT UNTIL 10 PM
MDT THIS EVENING FOR LIGHTNING FOR EASTERN PAYETTE NATIONAL 
FOREST, NORTHERN BOISE NATIONAL FOREST, AND SOUTHERN BOISE 
NATIONAL FOREST/WESTERN SAWTOOTH NATIONAL FOREST, WHICH ARE FIRE 
WEATHER ZONES 402, 403, AND 421...

* HAINES...6 through tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$


L
147 
WWUS85 KBOI 070346
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
946 PM MDT Wed Sep 6 2017

...SCATTERED THUNDERSTORMS ACROSS EASTERN OREGON ON THURSDAY...

.On Thursday, southerly flow aloft will pull mid-level moisture 
northward into Oregon. This moisture will help generate scattered 
showers and thunderstorms across fire weather zones 636, 637, and 
646 beginning Thursday afternoon.

IDZ402-403-421-070500-
/O.EXP.KBOI.FW.W.0013.000000T0000Z-170907T0400Z/
Eastern Payette National Forest-Northern Boise National Forest-
Southern Boise National Forest/Western Sawtooth National Forest-
946 PM MDT Wed Sep 6 2017

...RED FLAG WARNING WILL EXPIRE AT 10 PM MDT THIS EVENING FOR...
HIGH HAINES FOR EASTERN PAYETTE NATIONAL FOREST... NORTHERN BOISE
NATIONAL FOREST AND SOUTHERN BOISE NATIONAL FOREST/WESTERN 
SAWTOOTH NATIONAL FOREST...WHICH ARE FIRE WEATHER ZONES 402...403 
AND 421...

The Haines 6 conditions have ended.

$$

ORZ636-637-072145-
/O.CON.KBOI.FW.W.0014.170907T2100Z-170908T0800Z/
Burns BLM-Vale BLM-
946 PM MDT Wed Sep 6 2017 /846 PM PDT Wed Sep 6 2017/

...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM MDT /2 PM PDT/
THURSDAY TO 2 AM MDT /1 AM PDT/ FRIDAY FOR...LIGHTNING FOR BURNS 
BLM AND VALE BLM...WHICH ARE FIRE WEATHER ZONES 636 AND 637...

* THUNDERSTORMS...Scattered in coverage by Thursday afternoon.

* OUTFLOW WINDS...Up to 55 mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly.

&&

$$

ORZ646-072145-
/O.CON.KBOI.FW.W.0014.170908T0000Z-170908T1000Z/
Baker Valley-
846 PM PDT Wed Sep 6 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 5 PM THURSDAY TO 3 AM
PDT FRIDAY FOR...LIGHTNING FOR BAKER VALLEY... WHICH IS FIRE 
WEATHER ZONE 646...

* THUNDERSTORMS...Isolated in coverage mid-day Thursday, 
  becoming scattered in coverage by late Thursday afternoon. 

* OUTFLOW WINDS...Up to 55 mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. 
&&

$$


L H

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.