Severe Thunderstorm Warning 50, NWS Great Falls, MT

Issued

Jul 5, 2000, 8:50 PM MDT (02:50 UTC)

Expired

Jul 5, 2000, 9:15 PM MDT

In force

25 min

Issued by

NWS Great Falls, MT

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Cascade County, MT, Judith Basin County, MT

The Great Falls radar (KTFX), 31 km from the middle of the area, began a volume at 02:50 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.

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.

446 
WUUS55 KTFX 060252
SVRGTF
MTC013-045-060315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
850 PM MDT WED JUL 5 2000

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL CASCADE COUNTY IN MONTANA
  EXTREME NORTHWESTERN JUDITH BASIN COUNTY IN MONTANA

* UNTIL 915 PM MDT

* AT 840 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 19 MILES SOUTHWEST OF BELT...OR ABOUT 23 MILES
  SOUTH OF GREAT FALLS...MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM OVER EDEN WILL BE NEAR STOCKETT BY 900 PM 
AND TRACY    BY 9:10 PM


* THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES SOUTHEAST OF BELT AT 905 PM MDT

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 MIDNIGHT MDT
THURSDAY MORNING FOR NORTHWESTERN MONTANA.

LAT...LON 4726 11135 4708 11112 4722 11068 4749 11095

NWS Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 3:00 PM MDT, 5 hours 50 minutes earlier.

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
300 PM MDT WED JUL 5 2000

GENERAL WEATHER PATTERN NOT CHANGING MUCH NEXT 36 HOURS. MODELS MAINTAIN
MOIST SOUTHWEST FLOW ALOFT OVER CWA. ETA AND MESOETA MOVE A SHORT WAVE
TO SOUTHWEST MONTANA LATER THIS EVENING WITH ANOTHER SHORT WAVE MOVING
TO SOUTHWEST MONTANA THURSDAY MORNING. WILL MENTION AN ISOLATED CHANCE
OF A THUNDERSTORM OVER SOUTHWEST TONIGHT AND GO WITH A GENERAL SHOWERY
PATTERN THURSDAY. APPEARS GREATEST INSTABILITY REMAINS OVER CENTRAL AND
EASTERN MONTANA AND WILL GO WITH A MENTION OF THUNDERSTORMS FOR THE
LEWISTOWN AREA TONIGHT. UPPER LOW DIGS FURTHER SOUTH ALONG CALIFORNIA
COAST THURSDAY NIGHT PROVIDING A MORE WESTERLY FLOW ALOFT. WEAK UPPER
RIDGE DEVELOPS FRIDAY FOR DRIER AND MORE STABLE CONDITIONS. TEMPERATURES
GRADUALLY WARM NEXT COUPLE OF DAYS. EMANUEL

EXTENDED DISCUSSION...LONG RANGE PROGS CONTINUE WITH LONG WAVE TROUGH
NEAR PACIFIC NORTHWEST COAST AND SOUTHWEST FLOW OVER AREA. FIRST SHORT
WAVE LOOKS LIKE IT WILL BE EJECTED INTO MONTANA LATE SATURDAY. 72HR AVN
AGREES WITH 84 HR MRF ON THIS FEATURE. SO EXPECT THUNDERSTORMS TO
DEVELOP LATE ON SATURDAY. OTHERWISE MAINLY DIURNAL THUNDERSTORMS SUNDAY
AND MONDAY WITH UNKNOWN TIMING OF NEXT SHORT WAVE. OARD

CCF NUMBERS
GTF WB 050/073 048/082 052 084621
CTB WB 045/070 045/078 048 084621
HLN WB 048/075 050/084 053 085621
BZN WB 048/076 050/084 050 085622
WEY WB 038/070 038/077 038 085622
DLN WB 045/075 047/083 049 085521
HVR WB 048/080 050/085 054 083631
LWT TB 048/075 050/081 050 085621

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

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.