Alert archive / Idaho / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 3, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jun 26, 2002, 7:15 PM PDT for Idaho County, Idaho. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 26, 2002, 7:15 PM PDT (02:15 UTC)
- Expired
- Jun 26, 2002, 8:00 PM PDT
- In force
- 45 min
- Issued by
- NWS Missoula, MT
- Area
- Counties, with a storm outline in the text
County Idaho County, ID
Did it verify
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.
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 2.3 hours before the alert went out and 210 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3525 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KMSO 270215 SVRMSO IDC049-270300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 714 PM PDT WED JUN 26 2002 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN IDAHO COUNTY IN CENTRAL IDAHO * UNTIL 800 PM PDT * AT 714 PM PDT...RADAR INDICATED A SEVERE THUNDERSTORM OVER EASTERN IDAHO COUNTY...OR 29 MILES SOUTHWEST OF HAMILTON...MOVING NORTH AT 35 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN OVER REMOTE AREAS. HAIL UP TO ONE INCH IN DIAMETER IS EXPECTED WITH THIS STORM. FOR YOUR PROTECTION...GO INDOORS AND STAY AWAY FROM WINDOWS. IF YOU ARE CAUGHT OUTSIDE...MOVE TO A WELL PROTECTED AREA. LAT...LON 4604 11479 4598 11455 4658 11438 4664 11455
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 Missoula, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 26, 12:50 PM PDT, 6 hours 25 minutes earlier.
Area forecast discussion, Jun 26, 12:50 PM PDT, 6 hours 25 minutes before
WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
150 PM MDT WED JUN 26 2002
.SHORT TERM...HIGH PRESSURE SURFACE AND ALOFT ENTRENCHED OVER WESTERN
MT WITH AREA OF LOW PRESSURE OVER NV AND SW IDAHO...WITH
ASSOCIATED VORT LOBES TO AFFECT THE SOUTHERN ZONES TONIGHT.
THUNDERSTORMS WILL MORE THAN LIKELY BE THE DRY VARIETY...WITH
GUSTY WINDS. HOWEVER SOUNDINGS INDICATE PRECIP. WATER VALUES TO
INCREASE OVERNIGHT...SO SOME LOCALIZED HEAVY RAIN AND HAIL CANT BE
RULED OUT OVERNIGHT.
TROUGH OFF THE COAST NEAR 135W PROGRESSING EAST TO NORTHEAST SHOULD
GRADUALLY MOVE RIDGE EASTWARD TO EASTERN MT BY THURSDAY AFTERNOON...
BRINGING COOL FRONT TO IDAHO AND WESTERN MT BY MIDDAY THURSDAY.
SHOWERS AND THUNDERSTORMS SHOULD BE MORE WIDESPREAD BY THURSDAY
AFTERNOON AND EVENING AS THE COOL FRONT PASSES WITH GOOD INSTABILITY
AND MORE MOISTURE IN PLACE OVER THE REGION. ISOLATED SEVERE WEATHER A
POSSIBILITY WITH FRONTAL PASSAGE...ONCE AGAIN MAINLY OVER THE
SOUTHERN ZONES WHERE AFTERNOON HEATING WILL BE THE GREATEST.
BY THURSDAY NIGHT AFTER COOL FRONT PASSES...COOING TREND WILL BE IN
PLACE WITH SOUTHWEST FLOW ALOFT TO PERSIST FRIDAY INTO SATURDAY.
BEST CHANCE OF AFTERNOON AND EVENING CONVECTION WILL STILL BE OVER
THE SOUTHERN ZONES WHERE SURFACE HEAT TROUGH WILL REMAIN. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS WILL EXIST IN THE
NORTHERN ZONES WHERE ENOUGH MOISTURE...INSTABILITY AND PASSING VORT
LOBES MAY TRIGGER ISOLATED CONVECTION. FELSCH
.LONG TERM...PACIFIC SHORTWAVE MOVES ACROSS THE AREA ON SUNDAY...
BRINGING CLOUDS AND BREEZY CONDITIONS. THE MAIN ENERGY
WITH THE SYSTEM REMAINS NORTH OF THE CWA...SO WILL KEEP POPS LOW.
ON MONDAY THE SYSTEM IS MOVING OFF TO THE EAST WITH THE UPPER LEVEL
FLOW TURNING TO A WESTERLY DIRECTION...WILL HOLD ON TO SLIGHT CHANCE
POPS. TUESDAY A DRIER AND MORE STABLE AIRMASS IS OVER THE AREA FOR
DRY CONDITIONS AND A LITTLE WARMER. ANOTHER PACIFIC SHORTWAVE MOVES
TOWARD THE AREA ON WEDNESDAY AND WILL INTRODUCE A SLIGHT CHANCE OF
SHOWERS MAINLY IN THE NORTH. KOLATA
.MSO...NONE.
...7-DAY SPOT TEMPS AND POPS...
LIB BBB 054/089 051/087 051/088 30032111
BBBB 051/083 048/081 050/084 052/082 3922211012
FCA EBB 053/083 050/082 049/084 30032111
BBBB 051/077 048/075 050/078 052/076 3922211012
POL BBB 061/082 056/081 056/083 30021111
BBBB 052/080 050/080 052/083 054/081 3921110012
MSO BBB 056/086 053/085 053/087 30222221
BBBB 051/080 049/082 052/085 054/083 3911100012
HMM EBB 058/088 055/087 055/088 30333221
BBBB 053/082 050/082 054/085 056/081 3911100012
BTM BBB 052/089 050/084 050/085 30334232
BBBB 050/080 046/078 048/080 050/080 3911110000
ORO BBB 062/089 059/088 057/092 30120000
BBBB 057/086 053/086 056/086 058/086 3911000001
GRV BBB 059/084 056/084 055/088 30120000
BBBB 055/081 050/082 054/084 056/082 3911000011
SMN BBB 055/090 053/088 052/089 30344222
BBBB 054/084 049/083 053/085 055/082 3911110000Nearby
Severe Thunderstorm Warnings in Idaho, 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.