Alert archive / Montana / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 10, NWS Glasgow, MT
NWS Glasgow, MT issued this severe thunderstorm warning at Jun 8, 2002, 8:16 PM MDT for Richland County, Montana. It was in force for 44 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, 8:16 PM MDT (02:16 UTC)
- Expired
- Jun 8, 2002, 9:00 PM MDT
- In force
- 44 min
- Issued by
- NWS Glasgow, MT
- Area
- Counties, with a storm outline in the text
County Richland County, MT
The radar
The Glasgow radar (KGGW), 160 km from the middle of the area, began a volume at 02:17 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 8, 5:00 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 2.3 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.
- 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
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 Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 3:00 PM MDT, 5 hours 16 minutes earlier.
Area forecast discussion, Jun 8, 3:00 PM MDT, 5 hours 16 minutes before
NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
300 PM MDT SAT JUN 8 2002
.SHORT TERM...
COMPLEX STORM SYSTEM AFFECTING E MT WELL WITH SEVERE STORMS POISED TO
MOVE INTO MY SE ZONES IN THE NEXT SEVERAL HOURS. HAVE SIDED WITH THE
ETA MODEL MORE THROUGH THIS PERIOD WHICH MOVES SYSTEM OUT AND DRIES OUT
CWA A BIT QUICKER THAN SLOWER/WETTER AVN. QUITE A BIG DIFFERCE BETWEEN
THE MODELS...BUT ETA HAS HAD A GOOD TRACK RECORD.
THEREFORE HAVE TRIMMED POPS DOWN THROUGH MONDAY ACROSS ALL ZONES WITH
CATEGORICAL TONIGHT...LIKELIES SUNDAY...TO SCATTERED/S SUNDAY NIGHT
AND MONDAY. WRAP-AROUND LATER MONDAY MAY BRING RAIN LIKELY.
WINDS TODAY HAVE BEEN LOCALLY HIGHER (IN THE GLASGOW AND FORT PECK
AREAS) COMPARED TO MAV AND FWC NUMBERS...SO HAVE KEPT THE LAKE WIND
ADVISORY GOING FOR TONIGHT.
HAVE WEAKENED THE WORDING FOR TONIGHT/S SEVERE WEATHER ACROSS THE S AND
S ZONES OUTSIDE OF WATCH A BIT (ISOLATED STORMS MAY BE SEVERE).
GOING WATCH LOOKS GOOD.SEE LATEST SWOMCD FOR MORE INFO.
.LONG TERM...
LITTLE TIME TO LOOK AT MEDIUM RANGE MODELS...BUT HAVE DELAYED THE
CHANCE OF PRECIPITATION TO SATURDAY. UPPER RIDGE OVER THE WESTERN
STATES SHOULD ALLOW FOR DRY CONDITIONS WITH A WARMING TREND. NEGATIVELY
TILTED TROF HEADING TOWARD MT FROM CALIFORNIA WILL DECREASE STABILITY
FRIDAY...BUT LOW LEVELS HAVE TO MOISTEN UP FIRST. JAMBA
KGGW RWW 046/058 044/053 045/066 76975564
BBBB 045/072 045/077 050/077 050/077 761010223
KGDV RWW 048/062 044/055 046/070 76975564
BBBB 045/073 045/075 054/075 054/075 7610101223
.GGW...TORNADO WATCH FOR PRAIRIE AND WIBAUX COUNTIES UNTIL 7PM.
...LAKE WIND ADVISORY FOR FORT PECK LAKE TONIGHT.In the hours before
Local storm report, Jun 8, 6:27 PM MDT, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
627 PM MDT SAT JUN 8 2002
TIME(MDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0457 PM 11 W CIRCLE MT 1.25 INCH HAIL
06/08/02 MCCONE COVERING GROUND
0500 PM MILDRED MT 2.75 INCH HAIL
06/08/02 PRAIRIE
0540 PM TERRY MT .88 INCH HAIL
06/08/02 PRAIRIE
0543 PM TERRY MT 2.00 INCH HAIL
06/08/02 PRAIRIE
0545 PM 6 N MILDRED MT .75 INCH HAIL
06/08/02 PRAIRIE
0546 PM WOLF POINT MT 78 MPH TSTM WIND GUST
06/08/02 ROOSEVELT
0555 PM 6 N MILDRED MT 1.00 INCH HAIL
06/08/02 PRAIRIE
0545 PM WOLF POINT MT WIND DAMAGE
06/08/02 ROOSEVELT 6 DIAMETER TREE BLOWN
DOWN. POWER LINES BLOWN
DOWN. 1 RAIN IN 30
MINUTES. PEA-SIZED
HAILCOVERING GROUND. DEM
REPORT.
DWFLocal storm report, Jun 8, 8:03 PM MDT, 13 minutes before
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</html>The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 6:36 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 54 min |
| Jun 8, 8:22 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.