Alert archive / Montana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 36, NWS Billings, MT

June 8, 2002Fallon County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 8, 2002, 11:42 PM MDT for Fallon County, Montana. It was in force for 33 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, 2002, 11:42 PM MDT (05:42 UTC)
Expired: Jun 9, 2002, 12:15 AM MDT
In force: 33 min
Issued by: NWS Billings, MT
Area: Counties, with a storm outline in the text

County Fallon County, MT

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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, 2 hours 52 minutes earlier.

Area forecast discussion, Jun 8, 8:50 PM MDT, 2 hours 52 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.

Issued	Product	Office	Counties	Lasted
Jun 8, 6:00 PM MDT	Severe Thunderstorm Warning	BYZ	Custer	30 min
Jun 8, 6:29 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	31 min
Jun 8, 6:53 PM MDT	Severe Thunderstorm Warning	BYZ	Custer, Powder River	37 min
Jun 8, 7:12 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	33 min
Jun 8, 7:18 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	42 min
Jun 8, 7:32 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Custer, Fallon	58 min
Jun 8, 7:59 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	46 min
Jun 8, 8:26 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Custer, Fallon	49 min
Jun 8, 8:59 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	61 min
Jun 8, 9:16 PM MDT	Severe Thunderstorm Warning	BYZ	Fallon	44 min
Jun 8, 9:57 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	33 min
Jun 8, 11:03 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	57 min

Nearby

Severe Thunderstorm Warnings in Montana, 2002 Every 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; the sounding from the Mesonet's radiosonde archive.