Alert archive / Montana / Fire Weather Watches in 2016

Fire Weather Watch 4, NWS Missoula, MT

August 8, 20164 counties in Montana

NWS Missoula, MT issued this fire weather watch at Aug 8, 2016, 2:06 PM MDT for 4 counties in Montana. It took effect at Aug 9, 2016, 3:00 PM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
Aug 8, 2016, 2:06 PM MDT (20:06 UTC)
In effect from
Aug 9, 2016, 3:00 PM MDT
Expired
Aug 9, 2016, 3:14 AM MDT
In force
Issued by
NWS Missoula, MT

Counties Beaverhead County, MT, Jefferson County, MT, Madison County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 200 km from the middle of the area, began a volume at 20:04 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

Great_falls, MT (KTFX), launched 12:00Z, 8.1 hours before the alert went out and 246 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, Great_falls, MT at 12:00Z on 2016-08-08Temperature 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, Great_falls, MT at 12:00Z on 2016-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 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
1661 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this fire weather watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Missoula, MT wrote its last area forecast discussion before this fire weather watch went out at Aug 8, 3:31 AM MDT, 10 hours 35 minutes earlier.

Area forecast discussion, Aug 8, 3:31 AM MDT, 10 hours 35 minutes before
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The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 6:36 PM MDTSpecial Weather StatementMSOFlathead39 min
Aug 8, 5:14 PM MDTSpecial Weather StatementMSOGranite31 min
Aug 8, 5:37 PM MDTAreal Flood AdvisoryMSOGranite53 min
Aug 8, 5:45 PM MDTSpecial Weather StatementMSOPowell45 min

Nearby

Fire Weather Watches in Montana, 2016Every fire weather watch 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.