Severe Thunderstorm Warning 26, NWS Missoula, MT

Issued

Aug 3, 2004, 2:20 PM MDT (20:20 UTC)

Expired

Aug 3, 2004, 3:00 PM MDT

In force

40 min

Issued by

NWS Missoula, MT

Area

Counties, with a storm outline in the text

Counties Lake County, MT, Missoula County, MT

The Missoula radar (KMSX), 16 km from the middle of the area, began a volume at 20:20 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.

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

000 
WUUS55 KMSO 032020
SVRMSO
MTC047-063-032100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
220 PM MDT TUE AUG 3 2004

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN LAKE COUNTY IN NORTHWEST MONTANA
  CENTRAL MISSOULA COUNTY IN WEST CENTRAL MONTANA

* UNTIL 300 PM MDT

* AT 212 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6
  MILES SOUTHEAST OF FRENCHTOWN...OR ABOUT 9 MILES NORTHWEST OF
  MISSOULA...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EVARO BY 225 PM MDT

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND HAIL...ALONG WITH
FREQUENT LIGHTNING AND HEAVY RAIN. FOR YOUR PROTECTION...GO INDOORS
AND STAY AWAY FROM WINDOWS. IF YOU ARE CAUGHT OUTSIDE...MOVE TO A
WELL PROTECTED AREA.

LAT...LON 4688 11442 4676 11424 4705 11373 4723 11399

$$

NWS Missoula, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 3, 2:09 PM MDT, 11 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
209 PM MDT TUE AUG 3 2004

.SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT...MODELS IN GOOD
AGREEMENT WITH SOUTHWEST FLOW ALOFT, WEAK UPPER LEVEL DISTURBANCES
AND LIMITED AVAILABLE MOISTURE. FORECAST CHALLENGE HAS BEEN THE
TIMING OF CONVECTION FOR TOMORROW EVENING. WILL ALSO NEED TO
CONTINUE EVALUATION OF DRY THUNDERSTORM POTENTIAL. THINK THERE IS A
GOOD CHANCE THAT SOME OF THE THUNDERSTORMS THAT FORM  TOMORROW
AFTERNOON MAY HAVE VERY LITTLE PRECIPITATION. THINK THERE IS ENOUGH
RESIDUAL MOISTURE TODAY TO HAVE SHOWERS WITH AFTERNOON CONVECTION.

.LONG TERM...THURSDAY THROUGH TUESDAY...THURSDAY INTO FRIDAY CONTINUE
TO LOOK GOOD FOR THUNDERSTORM DEVELOPMENT. UPPER LEVEL SOUTHWEST
FLOW WITH A MODIFIED MARINE PUSH AND THE THERMAL TROUGH LINGERING ALL
LOOK TO ALLOW FOR DECENT STORM STRENGTH. ALSO THE JET STREAM LOOKS TO
ADD SOME DYNAMIC ENHANCEMENT...FURTHER AIDING STORM DEVELOPMENT. AS
OF NOW IT LOOKS AS IF THE STRONGER STORMS WILL BE ACROSS NORTHWEST
MONTANA THURSDAY AS THE MARINE PUSH INTERACTS WITH THE THERMAL
TROUGH AND ACROSS SOUTHWEST MONTANA FRIDAY AS THE COLD FRONT PUSHES
THROUGH. LATE FRIDAY EVENING THE SURFACE COLD FRONT WILL HAVE PUSHED
THROUGH...MAKING FOR A CHANCE OF POST FRONTAL SHOWERS...MAINLY
ACROSS NORTHWEST MONTANA AND COOLER TEMPERATURES. SUNDAY THROUGH
TUESDAY AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL MAKE FOR A WARMING
AND DRYING TREND.
&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...NONE.
ID...NONE.
&&

SHORT TERM/KREYENHAGEN/KOLATA
LONG TERM/GILCHRIST

Severe Thunderstorm Warnings in Montana, 2004Every severe thunderstorm warning in 2004

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.