Alert archive / Montana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 10, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jun 8, 2000, 5:29 PM MDT for Toole County, Montana. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jun 8, 2000, 5:29 PM MDT (23:29 UTC)
- Expired
- Jun 8, 2000, 6:15 PM MDT
- In force
- 46 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Toole County, MT
The radar
The Great Falls radar (KTFX), 147 km from the middle of the area, began a volume at 23:32 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 8, 6:05 PM MDT | Hail 2.5 | Mc Dermott, 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 8, 3:15 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 11.5 hours before the alert went out and 165 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
674
WUUS55 KTFX 082330
SVRGTF
MTC101-090015-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
529 PM MDT THU JUN 8 2000
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN TOOLE COUNTY IN NORTH CENTRAL MONTANA
* UNTIL 615 PM MDT
* AT 527 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 7 MILES SOUTH OF FERDIG...OR ABOUT 10 MILES
NORTHEAST OF SHELBY...MOVING NORTHEAST AT 40 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE OILMONT AND FERDIG
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN GREAT FALLS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
THURSDAY EVENING FOR NORTHWESTERN MONTANA.
LAT...LON 4863 11199 4851 11178 4887 11128 4898 11129
4900 11156What 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 Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 3:00 PM MDT, 2 hours 29 minutes earlier.
Area forecast discussion, Jun 8, 3:00 PM MDT, 2 hours 29 minutes before
SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREAT FALLS MT 300 PM MDT THU JUN 8 2000 POTENT SEVERE WEATHER PATTERN FOR LATE THIS AFTERNOON INTO EARLY TONIGHT...ESPECIALLY FOR NORTH CENTRAL MONTANA. EXPECT A WATCH FAIRLY SOON FROM SPC. LOW LEVEL MOIST EASTERLY FLOW OVER NORTHERN PORTIONS WITH SURFACE LOW DEVELOPING SOUTHWEST MONTANA AND MOVING INTO CENTRAL MONTANA THIS EVENING. GOOD HELICITY FOR POSSIBLE TORNADOS WITH PATTERN. WOULD LIKE TO SEE A SHORT WAVE...WHICH THE PROGS FORECAST FOR EARLY TONIGHT NEAR THE CONTINENTAL DIVIDE...BUT PROBABLY TOO LATE FOR CONVECTION NORTH CENTRAL MONTANA. HOWEVER THIS SHORT WAVE MAY KEEP GENERAL SHOWERS AND THUNDERSTORMS GOING AFTER SEVERE WEATHER INTO LATE TONIGHT. DRY SLOT IN SOUTHWEST MONTANA THIS AFTERNOON WITH TEMPERATURES QUITE WARM WILL BE MOVING NORTHWARD ALOFT AND SUCK UP THE LOW LEVEL MOISTURE FOR POSSIBLE SEVERE WEATHER. PROGS FORECAST DOWNSLOPE LATE TONIGHT ON PLAINS AS NORTHERN BRANCH OF TROUGH MOVES INTO AREA. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS EXPECTED TO MOVE INTO SOUTHWEST MONTANA LATE TONIGHT FROM IDAHO. DOWNSLOPE PLAINS LATE TONIGHT AND FRIDAY WILL DRY OUT MANY SHOWERS. NEXT TROUGH DUE INTO PACIFIC NORTHWEST SATURDAY...WHICH SHOULD START MORE CONVECTION IN AREA SATURDAY AFTERNOON. OARD EXTENDED DISCUSSION...LIKE MODEL RUNS THAT WERE AVAILABLE FOR WEDNESDAY AFTERNOONS FORECAST...LATEST AVAILABLE MODEL RUNS OFFER WIDELY VARYING SOLUTIONS IN THE 3 TO 5 DAY PERIOD. MODELS START OFF SUNDAY MORNING REASONABLY SIMILAR WITH AN UPPER LOW OR UPPER TROUGH OVER WA. BUT THEN SOLUTIONS DIVERGE. ECMWF TAKES THE UPPER LOW INTO SRN ID ON MON AND THEN TAKES IT SW TO NEAR RNO BY 12Z WED. NOGAPS LIKE YESTERDAY IS MORE PROGRESSIVE. IT HAS THE UPPER LOW INTO SRN SASK BY MONDAY MORNING AND N OF THE GREAT LAKES ON WED. MRF OFFERS SOMEWHAT OF A COMPROMISE SOLUTION. IT HAS UPPER LOW INTO SRN ALTA BY MON MORNING AND THEN DROPS IT INTO ND BY WED MORNING. CMC HAS BROAD UPPER TROUGH GRADUALLY MOVING E AND HAS IT E OF FORECAST AREA ON TUE. LATEST AVN EXTENSION IS WEAKER AND MORE PROGRESSIVE THAN THE MRF RUN. NCEP FAVORS THE MRF SOLUTION BUT LEAVES OPEN THE POSSIBILITY THAT THE AVN EXTENSION COULD BE BEST. PER NCEP DISCUSSION WILL GO ALONG WITH THE MRF SOLUTION. BLANK CCF NUMBERS GTF NB 050/070 043/072 044 166312 CTB NB 046/065 040/067 040 166312 HLN NB 054/070 045/074 046 164312 BZN EB 050/070 042/075 042 163312 WEY EB 037/062 030/070 033 163312 DLN EB 047/067 040/072 040 163312 HVR EB 055/074 048/076 047 167331 LWT EB 052/070 042/072 040 166331
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 6:38 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 37 min |
| Jun 7, 7:32 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 28 min |
| Jun 8, 2:18 AM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Teton | 42 min |
| Jun 8, 5:01 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 29 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.