Alert archive / Montana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 8, NWS Billings, MT

June 8, 2000Golden Valley County, Musselshell County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 8, 2000, 5:54 PM MDT for Golden Valley County, Musselshell County, Montana. It was in force for 51 min. 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 8, 2000, 5:54 PM MDT (23:54 UTC)
Expired
Jun 8, 2000, 6:45 PM MDT
In force
51 min
Issued by
NWS Billings, MT
Area
Whole counties

Counties Golden Valley County, MT, Musselshell County, MT

The radar

The Billings radar (KBLX), 67 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 178 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 2000-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 193 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, Great_falls, MT at 12:00Z on 2000-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
193 J/kg
Mixed-layer CIN
-535 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

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

NWS Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 3:08 PM MDT, 2 hours 46 minutes earlier.

Area forecast discussion, Jun 8, 3:08 PM MDT, 2 hours 46 minutes before
SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
230 PM MDT THU JUN 08 2000

.FRI AND SAT...
...CORRECTED LVM/MLS/BHK/4BQ FIRST PD POP...
ETA/AVN SIMILAR IN MODEL SOLUTIONS. BOTH MODELS BRING A WEAK WAVE INTO
SC/SE MT IN SW FLOW THIS EVENING FOR ISOLD-SCT TSTORM DEVELOPMENT.
ANOTHER WAVE MOVES INTO SC/SE MT BY LATE FRI AFTN FOR ANOTHER ROUND OF
TSTORMS AS RR QUAD OF JET WILL BE IN FAVORED LOCATION IN COMBINATION
WITH DISTURBANCE PLACEMENT...ENHANCING LIFT. GREATEST CAPE VALUES APPEAR
TO BE WELL TO THE NORTH AGAIN THIS EVENING ALONG WITH LI VALUES OF -2
PER ETA MODEL...THIS WILL SHIFT TO THE EAST ON FRIDAY AS NEXT WAVE MOVES
IN. FCST HIGHS WILL HINGE ON CLOUD COVER FRI. ALL GUIDANCES GIVE FCST
HIGHS 10 DEGREES LOWER THAN MIXING FROM 700MB AND WILL LIKELY COMPROMISE
ON FRI HIGHS. COOLER TEMPS MOVE IN ON SAT AS FLOW ALOFT BECOMES MORE
W/NW AND NGM MOS/FAN GUIDANCE FAIRLY SIMILAR IN FCST HIGHS WHEN COMPARED
TO MIXING FROM 700MB WITH EITHER ETA OR AVN. SPRINGER

.SUN...MON...AND TUE...

COOL AND UNSETTLED WEATHER WILL CONTINUE SUNDAY AND MONDAY ACROSS THE
FORECAST AREA AS A WEAK PACIFIC SYSTEM MOVES EAST ALONG THE
U.S./CANADIAN BORDER. NORTHWEST FLOW DEVELOPS FOR TUESDAY...BRINGING
DRY AND CONTINUED COOL WEATHER. BEST CHANCE FOR SHOWERS WILL BE
SUNDAY...WITH THE CHANCE DECREASING EACH DAY. MIDDENDORF

BIL TTTEB 060/082 052/079 052/075 050/075 050/077 543320 61
LVM TTTTB 057/078 045/076 046/072 044/072 044/074 543320 61
HDN TTTEB 058/082 049/080 049/077 047/077 047/079 543320 61
MLS TTEEB 060/085 055/081 057/082 055/077 053/077 543230 61
4BQ TTEEB 058/082 053/082 055/080 053/075 051/075 543320 61
BHK TTEEB 056/083 050/079 052/077 050/072 048/072 543230 61
SHR TTTEB 057/083 045/080 045/076 045/074 045/072 542330 61

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 5:15 PM MDTSevere Thunderstorm WarningBYZCarter45 min

Nearby

Severe Thunderstorm Warnings in Montana, 2000Every severe thunderstorm warning in 2000

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.