Alert archive / Montana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 33, NWS Billings, MT

June 8, 2002Fallon County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 8, 2002, 9:16 PM MDT for Fallon County, Montana. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 8, 2002, 9:16 PM MDT (03:16 UTC)
Expired
Jun 8, 2002, 10:00 PM MDT
In force
44 min
Issued by
NWS Billings, MT
Area
Whole counties

County Fallon County, MT

What was reported inside it

TimeReportWhereRemark
Jun 8, 9:45 PM MDTHail 0.75Baker, MT

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 8, 7:00 PM MDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.3 hours before the alert went out and 288 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 00:00Z on 2002-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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 00:00Z on 2002-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 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
51 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
1631 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
490 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

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, 8:50 PM MDT, 26 minutes earlier.

Area forecast discussion, Jun 8, 8:50 PM MDT, 26 minutes before
SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
850 PM MDT SAT JUN 08 2002

.SHORT TERM...VALID FOR SUN...MON...TUE...

BUSY WITH SEVERE WEATHER. SATELLITE...RADAR DATA AND NEW ETA SUPPORTING
REDEVELOPMENT OF MOISTURE OVER WESTERN HALF OF CWA LATER TONIGHT INTO
TOMORROW MORNING. EXPECT SEVERE TO CONTINUE EASTERN ZONES AS LIFT
CONTINUES AND INSTABILITY CONTINUES THERE AS WELL. UPDATE WILL TO TO
TWEAK PRECIPITATION DEVELOPMENT IN WESTERN ZONES AND WINDS HERE AND
THERE...AS WELL AS RAISING LOWS MOST AREAS. RASCH

.LONG TERM...VALID FOR WED...THU...FRI...SAT...
UPPER LOW FINALLY PUSHING OUT OF REGION ON WEDNESDAY. CHANCE OF SHOWERS
WEDNESDAY MORNING LOOKS GOOD WITH AREA STILL UNDER INFLUENCE UPPER LOW
AND WAVE PUSHING THROUGH CWA. WILL COOL WEDNESDAY TEMPS DOWN A FEW
DEGREES AS MIXING FROM 700MB YIELDS LOWER TEMPS THAN CURRENTLY
FORECASTED. AFTER LOW PUSHES OUT OF AREA UPPER RIDGE BEGINS TO BUILD IN
RESULTING IN WARMUP THURSDAY THROUGH SATURDAY. NEW AVN BRINGS IN NEXT
UPPER LOW QUICKER THAN PREVIOUS RUN. WILL MENTION TWENTY POPS FOR ENTIRE
CWA AS QUICKER SOLUTION WOULD RESULT IN SOUTHWEST FLOW OVER AREA. JZ

    SUN     MON     TUE     WED     THU     FRI     SAT
-----------------------------------------------------------
BIL 050/060 046/059 045/069 049/072 054/078 055/079 056/078
    74/W    43/W    23/T    30/B    00/B    00/B    22/E
LVM 042/055 041/054 043/068 047/070 052/075 053/076 054/074
    74/W    43/W    23/T    30/B    00/B    00/B    22/E
HDN 048/061 045/060 045/071 048/074 054/080 055/081 055/079
    74/W    43/W    23/T    30/B    00/B    00/B    22/E
MLS 056/066 049/062 045/069 049/072 054/078 055/079 057/078
    74/T    43/W    23/T    30/B    00/B    00/B    22/E
4BQ 055/068 048/063 043/070 048/073 052/079 053/080 056/079
    74/T    43/W    23/T    30/B    00/B    00/B    22/E
BHK 054/067 048/060 043/068 047/071 052/077 053/078 055/077
    74/T    43/W    23/T    30/B    00/B    00/B    22/E
SHR 045/067 044/061 043/069 047/071 052/078 053/079 054/077
    74/T    43/W    23/T    30/B    00/B    00/B    22/E

.BYZ...
MT...SEVERE THUNDERSTORM WATCH SOUTHEAST MT TIL 10 PM MDT. FLOOD WATCH
UNTIL MONDAY JUNE 10TH FOR PARTS OF PARK AND CARBON COUNTIES.
WY...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 6:00 PM MDTSevere Thunderstorm WarningBYZCuster30 min
Jun 8, 6:29 PM MDTSevere Thunderstorm WarningBYZPowder River31 min
Jun 8, 6:53 PM MDTSevere Thunderstorm WarningBYZCuster, Powder River37 min
Jun 8, 7:12 PM MDTSevere Thunderstorm WarningBYZBig Horn33 min
Jun 8, 7:18 PM MDTSevere Thunderstorm WarningBYZCarter42 min
Jun 8, 7:32 PM MDTSevere Thunderstorm WarningBYZCarter, Custer, Fallon58 min
Jun 8, 7:59 PM MDTSevere Thunderstorm WarningBYZPowder River46 min
Jun 8, 8:26 PM MDTSevere Thunderstorm WarningBYZCarter, Custer, Fallon49 min
Jun 8, 8:59 PM MDTSevere Thunderstorm WarningBYZCarter61 min
Jun 8, 9:57 PM MDTSevere Thunderstorm WarningBYZCarter33 min
Jun 8, 11:03 PM MDTSevere Thunderstorm WarningBYZCarter57 min
Jun 8, 11:42 PM MDTSevere Thunderstorm WarningBYZFallon33 min

Nearby

Severe Thunderstorm Warnings in Montana, 2002Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.