Alert archive / Montana / Flash Flood Warnings in 2015

Flash Flood Warning 1, NWS Glasgow, MT

June 2, 2015Richland County, Montana

NWS Glasgow, MT issued this flash flood warning at Jun 2, 2015, 8:05 AM MDT for 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
Jun 2, 2015, 8:05 AM MDT (14:05 UTC)
Expired
Jun 2, 2015, 11:00 AM MDT
In force
3 hr
Issued by
NWS Glasgow, MT
Area
Storm-based polygon
Flood severity
None

County Richland County, MT

The radar

The Glasgow radar (KGGW), 160 km from the middle of the area, began a volume at 14:05 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, 2.1 hours before the alert went out and 312 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 2015-06-02Temperature 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°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 2015-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -77 square meters per square second.193958Sfc1 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
1035 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-77 m²/s²
0-3 km storm-relative helicity
-68 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Glasgow, MT wrote its last area forecast discussion before this flash flood warning went out at Jun 2, 3:35 AM MDT, 4 hours 30 minutes earlier.

Area forecast discussion, Jun 2, 3:35 AM MDT, 4 hours 30 minutes before
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Hazardous weather outlook, Jun 1, 9:43 AM MDT, 22 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
943 AM MDT MON JUN 1 2015

MTZ016>027-059>062-021545-
CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
DANIELS-SHERIDAN-WESTERN ROOSEVELT-PETROLEUM-GARFIELD-MCCONE-
RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
SOUTHWEST PHILLIPS-NORTHERN VALLEY-EASTERN ROOSEVELT-
943 AM MDT MON JUN 1 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

AN ENERGETIC PACIFIC LOW PRESSURE SYSTEM WILL CAUSE THUNDERSTORMS
ACROSS THE REGION LATE THIS AFTERNOON AND TONIGHT. STRONG TO SEVERE
THUNDERSTORMS ARE EXPECTED MAINLY SOUTH OF THE MISSOURI RIVER WITH
DAMAGING WINDS AND LARGE HAIL BEING THE GREATEST THREATS. NORTH OF
THE MISSOURI RIVER...MORE GENERAL THUNDERSTORMS AND HEAVY RAIN
WILL BE THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

HEAVY RAIN SHOWERS ARE EXPECTED TUESDAY AFTERNOON WHILE A FEW
MARGINALLY SEVERE THUNDERSTORMS WILL BE POSSIBLE SOUTH OF THE
YELLOWSTONE RIVER. THUNDERSTORMS ARE IN THE FORECAST THROUGH
SATURDAY. FRIDAY NIGHT COULD HOLD ANOTHER ROUND OF WIDESPREAD
SEVERE WEATHER.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Jun 2, 2:15 AM MDT, 5 hours 50 minutes before
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Local storm report, Jun 2, 2:17 AM MDT, 5 hours 48 minutes before
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Local storm report, Jun 2, 6:47 AM MDT, 1 hour 18 minutes before
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Local storm report, Jun 2, 6:49 AM MDT, 1 hour 16 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 11:52 PM MDTSpecial Weather StatementGGWWibaux38 min
Jun 2, 12:32 AM MDTSevere Thunderstorm WarningGGWWibaux58 min

Nearby

Flash Flood Warnings in Montana, 2015Every flash flood warning in 2015

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.