Alert archive / Idaho / Red Flag Warnings in 2016

Red Flag Warning 8, NWS Missoula, MT

August 26, 20165 counties in Idaho

NWS Missoula, MT issued this red flag warning at Aug 26, 2016, 8:28 AM PDT for 5 counties in Idaho. It took effect at Aug 27, 2016, 1:00 PM PDT. It was in force for 8 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 26, 2016, 8:28 AM PDT (15:28 UTC)
In effect from
Aug 27, 2016, 1:00 PM PDT
Expired
Aug 27, 2016, 9:00 PM PDT
In force
8 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID

The radar

The Spokane radar (KOTX), 180 km from the middle of the area, began a volume at 15:32 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

Spokane, WA (KOTX), launched 12:00Z, 3.5 hours before the alert went out and 148 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, Spokane, WA at 12:00Z on 2016-08-26Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2016-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939587897Sfc1 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
2318 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

548 
WWUS85 KMSO 261528
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
928 AM MDT FRI AUG 26 2016

IDZ102-271530-
/O.NEW.KMSO.FW.W.0008.160827T2000Z-160828T0400Z/
PALOUSE/HELLS CANYON-
828 AM PDT FRI AUG 26 2016

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM PDT SATURDAY...

* AFFECTED AREA:
   FIRE ZONE 102 (PALOUSE/HELLS CANYON).

* WINDS: WEST AT 15-20 MPH WITH GUSTS AROUND 30 MPH IN THE
  AFTERNOON AND EVENING.

* MINIMUM HUMIDITIES: 10-18 PERCENT.

&&

$$
2 follow-up statements
934 
WWUS85 KMSO 272020
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
220 PM MDT SAT AUG 27 2016

IDZ102-280400-
/O.CON.KMSO.FW.W.0008.000000T0000Z-160828T0400Z/
PALOUSE/HELLS CANYON-
120 PM PDT SAT AUG 27 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* AFFECTED AREA: FIRE ZONE 102 (PALOUSE/HELLS CANYON). 

* WINDS: WEST AT 15-20 MPH WITH GUSTS AROUND 30 MPH IN THE 
  AFTERNOON AND EVENING. 

* MINIMUM HUMIDITIES: 10-18 PERCENT.

&&

$$
398 
WWUS85 KMSO 280350
RFWMSO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
950 PM MDT SAT AUG 27 2016

IDZ102-280500-
/O.EXP.KMSO.FW.W.0008.000000T0000Z-160828T0400Z/
PALOUSE/HELLS CANYON-
850 PM PDT SAT AUG 27 2016

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING...

* AFFECTED AREA:
   FIRE ZONE 102 (PALOUSE/HELLS CANYON).

ALTHOUGH WIND GUSTS WILL CONTINUE THROUGH THE NIGHT, HUMIDITY IS
INCREASING AND WINDS ARE DECREASING, SO THE RED FLAG WARNING WILL
BE ALLOWED TO EXPIRE.

&&

$$

Nearby

Red Flag Warnings in Idaho, 2016Every red flag warning in 2016

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.