Alert archive / Montana / Flash Flood Warnings in 2013

Flash Flood Warning 15, NWS Glasgow, MT

July 5, 2013Dawson County, Richland County, Montana

NWS Glasgow, MT issued this flash flood warning at Jul 5, 2013, 2:58 PM MDT for Dawson County, Richland County, Montana. It was in force for 3 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 5, 2013, 2:58 PM MDT (20:58 UTC)
Expired
Jul 5, 2013, 6:00 PM MDT
In force
3 hr
Issued by
NWS Glasgow, MT
Area
Storm-based polygon
Flood severity
None

Counties Dawson County, MT, Richland County, MT

The radar

The Glasgow radar (KGGW), 160 km from the middle of the area, began a volume at 21:00 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.0 hours before the alert went out and 316 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, Bismarck Municip, ND at 12:00Z on 2013-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 53 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, Bismarck Municip, ND at 12:00Z on 2013-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
53 J/kg
Mixed-layer CIN
-203 J/kg
Mixed-layer LCL
1084 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 10:48 PM MDTSpecial Weather StatementGGWPhillips57 min
Jul 4, 11:44 PM MDTSevere Thunderstorm WarningGGWPhillips31 min
Jul 5, 12:14 AM MDTSpecial Weather StatementGGWPhillips46 min
Jul 5, 3:56 AM MDTSpecial Weather StatementGGWGarfield64 min
Jul 5, 4:03 AM MDTSpecial Weather StatementGGWPhillips57 min
Jul 5, 4:25 AM MDTSevere Thunderstorm WarningGGWGarfield65 min
Jul 5, 7:01 AM MDTSpecial Weather StatementGGWValley59 min
Jul 5, 8:03 AM MDTSpecial Weather StatementGGWValley57 min
Jul 5, 9:19 AM MDTSpecial Weather StatementGGWValley56 min
Jul 5, 12:34 PM MDTSpecial Weather StatementGGWMcCone56 min
Jul 5, 12:42 PM MDTSevere Thunderstorm WarningGGWGarfield, McCone63 min
Jul 5, 1:16 PM MDTSpecial Weather StatementGGW59 min
Jul 5, 1:20 PM MDTSpecial Weather StatementGGWMcCone55 min
Jul 5, 2:00 PM MDTFlash Flood WarningGGWMcCone3 hr
Jul 5, 2:08 PM MDTSpecial Weather StatementGGWDawson, Richland67 min
Jul 5, 3:23 PM MDTSpecial Weather StatementGGWRichland52 min
Jul 5, 3:51 PM MDTSpecial Weather StatementGGWWibaux54 min
Jul 5, 4:02 PM MDTSpecial Weather StatementGGWRoosevelt28 min

Nearby

Flash Flood Warnings in Montana, 2013Every flash flood warning in 2013

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.