Alert archive / Montana / Flash Flood Warnings in 2014

Flash Flood Warning 5, NWS Missoula, MT

August 14, 2014Mineral County, Montana

NWS Missoula, MT issued this flash flood warning at Aug 14, 2014, 6:00 PM MDT for Mineral County, Montana. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 14, 2014, 6:00 PM MDT (00:00 UTC)
Expired
Aug 14, 2014, 8:00 PM MDT
In force
2 hr
Issued by
NWS Missoula, MT
Area
Storm-based polygon
Flood severity
None

County Mineral County, MT

The radar

The Missoula radar (KMSX), 75 km from the middle of the area, began a volume at 00:01 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 00:00Z, 0.0 hours before the alert went out and 122 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 00:00Z on 2014-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2014-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 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
106 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
1264 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

938 
WGUS55 KMSO 150000
FFWMSO
MTC061-150200-
/O.NEW.KMSO.FF.W.0005.140815T0000Z-140815T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
600 PM MDT THU AUG 14 2014

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST MULLAN FIRE BURN AREA IN
  CENTRAL MINERAL COUNTY IN WEST CENTRAL MONTANA...

* UNTIL 800 PM MDT.

* AT 554 PM MDT...DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER THE   
  WARNED AREA. ROCK, MUD, AND DEBRIS FLOWS ARE LIKELY.

* LOCATIONS IMPACTED INCLUDE...WEST MULLAN FIRE BURN AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING...MUD AND DEBRIS FLOWS ARE
IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER
GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD
TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

&&

LAT...LON 4725 11496 4723 11487 4717 11493 4719 11498

$$
1 follow-up statement
544 
WGUS75 KMSO 150114 RRA
FFSMSO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
714 PM MDT THU AUG 14 2014

MTC061-150125-
/O.CAN.KMSO.FF.W.0005.000000T0000Z-140815T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MINERAL MT-
714 PM MDT THU AUG 14 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL MINERAL
COUNTY...

LAT...LON 4725 11496 4723 11487 4717 11493 4719 11498

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 6:10 PM MDTFlash Flood WarningMSOMissoula3 hr
Aug 14, 6:20 PM MDTSpecial Weather StatementMSOMissoula40 min
Aug 14, 6:35 PM MDTSpecial Weather StatementMSOMissoula55 min
Aug 14, 6:46 PM MDTSpecial Weather StatementMSOSanders59 min
Aug 14, 8:29 PM MDTSpecial Weather StatementMSOSanders61 min
Aug 14, 9:15 PM MDTSpecial Weather StatementMSOSanders60 min
Aug 15, 8:58 AM MDTSpecial Weather StatementMSOMineral47 min
Aug 15, 10:16 AM MDTFlash Flood WatchMSOFlathead11 hr
Aug 15, 11:55 AM MDTSpecial Weather StatementMSOPowell35 min
Aug 15, 12:00 PM MDTSpecial Weather StatementMSOSilver Bow45 min
Aug 15, 12:05 PM MDTSevere Thunderstorm WarningMSODeer Lodge, Powell25 min
Aug 15, 12:08 PM MDTSevere Thunderstorm WarningMSODeer Lodge, Powell, Silver Bow22 min
Aug 15, 12:32 PM MDTSpecial Weather StatementMSOSilver Bow28 min
Aug 15, 12:43 PM MDTAreal Flood AdvisoryMSOSilver Bow2 hr
Aug 15, 1:01 PM MDTSpecial Weather StatementMSOLincoln44 min
Aug 15, 1:05 PM MDTAreal Flood AdvisoryMSODeer Lodge, Powell, Silver Bow115 min
Aug 15, 4:45 PM MDTAreal Flood AdvisoryMSOMissoula60 min
Aug 15, 5:36 PM MDTSpecial Weather StatementMSOPowell54 min
Aug 15, 5:42 PM MDTSpecial Weather StatementMSOLincoln63 min

Nearby

Flash Flood Warnings in Montana, 2014Every flash flood warning in 2014

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.