High Wind, Southern Lewis and Clark
- When
- May 19, 4:26 PM MST
- Where
- Southern Lewis and Clark forecast zone
- Measured
- 57 kt (66 mph)
- Reported by
- TRAINED SPOTTER
Silver City spotter.
High Wind in Montana, May 19, 2001
1 high wind, as filed by the National Weather Service.
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, 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 the first event at May 19, 2:00 PM MST, 2 hours 26 minutes earlier.
Area forecast discussion, May 19, 2:00 PM MST, 2 hours 26 minutes before
SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREAT FALLS MT 300 PM MDT SAT MAY 19 2001 MODELS IN GOOD AGREEMENT IN DEVELOPING AN UPPER TROUGH E OF THE CONTDVD OVERNIGHT AS UPPER JET DIVES SE INTO AREA. MODELS IN GOOD AGREEMENT IN SWINGING AN ASSOCIATED SHORTWAVE THROUGH THE NRN AND CENTRAL PORTIONS OF THE AREA. MODELS INDICATE SOME WEAK PIVA AHEAD OF SHORTWAVE. MEANWHILE ASSOCIATED CANADIAN COLD FRONT WILL BE MOVING S THROUGH THE AREA. WILL GO WITH SOME 20 AND 30 PCT POPS TONIGHT ASSOCIATED WITH THE FRONT AND SHORTWAVE. WILL MENTION ISOLATED THUNDERSTORMS FOR EARLY THIS EVENING FOR THE FAR NRN ZONES AS STRIKES ARE OCCURRING A LITTLE N OF THE BORDER. AS FOR HIGHLIGHTS WILL CONTINUE WITH HIGH WIND WARNING INTO EARLY THIS EVENING. LETHBRIDGE HAS MET HIGH WIND CRITERIA AND AT 20Z WAS STILL NEAR IT. FOR FIRE WEATHER RED FLAG WARNING WAS ISSUED EARLIER THIS AFTERNOON FOR A COMBINATION OF STRONG WINDS AND LOW RHS. WILL CONTINUE IT THROUGH 9 PM. FOR SUN MODELS INDICATE AN AREA OF INSTABILITY MOVING SE OVER THE CENTRAL MT IN THE NW FLOW ALOFT. WILL GO WITH 30 PCT POPS THERE WITH 20 PCT POPS FARTHER W. EXPECT A FEW SHOWERS LINGERING INTO EARLY EVENING OVER CENTRAL MT SO WILL GO WITH THE HIGHER MAV POPS FOR 3RD PD. LOOKING AHEAD TO MON UPPER RIDGE AXIS MOVES TO PAC NW COAST. NW FLOW ALOFT CONTINUES OVER THE FORECAST AREA LIKE ON SUN BUT BECOMES ANTICYCLONIC. ATMOSPHERE SHOULD BE STABLE SO WILL GO WITH DRY CONDITIONS. JUDGING BY ETA AND AVN COULD SEE SOME HIGH CLOUDS SO WILL GENERALLY GO PARTLY CLOUDY. BLANK EXTENDED...MODELS BRING H5 RIDGE OVER AREA DAYS 3 THROUGH DAY 5 FOR DRY AND WARMER WEATHER. ECMWF WAS FLATTER WITH H5 RIDGE...BUT STILL HAD 582 HTS OVER AREA. BEGINNING DAY 5...H5 RIDGE AXIS SHIFT EAST AS PER MRF...THUS WILL THROW IN ISOLATED AFTERNOON AND EVENING THUNDERSTORMS. MRF HAS PACIFIC COLD FRONT MOVING THROUGH KGTF WCFA WITH UPPER TROUGH NEAR PACIFIC COAST...FOR INCREASING SOUTHWEST FLOW ALOFT OVER WESTERN MONTANA...THUS TEMPERATURES SHOULD COOL OFF WITH GUSTY SOUTHWEST TO WEST WINDS AS DOWNSLOPE GRADIENTS DEVELOP ACROSS NORTH CENTRAL MONTANA. WILLIAMSON DC BLANK CCF NUMBERS GTF NN 036/053 034/064 042 04232 CTB NN 034/050 033/063 040 04221 HLN NB 038/054 034/065 040 04321 BZN EB 038/052 028/065 035 04322 WEY EB 033/046 020/058 026 04322 DLN NB 037/055 028/064 036 04211 HVR NB 040/055 035/065 040 04332 LWT NB 034/049 032/058 038 04243
Event by event
1 high wind. Local standard time, as filed.
What these are
- High Wind
- Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Lightning Strikes in Georgia, May 19, 2001
- Flash Flooding and Hail in Virginia, May 19 to 20, 2001
- Tornado and Flash Flood in Oklahoma, May 19, 2001
- Hail and Lightning Strike in Texas, May 19, 2001
- Hail and Damaging Winds in Georgia, May 19 to 22, 2001
- Damaging Wind in Nebraska, May 19, 2001
- High Wind in Montana, May 19, 2001
- Damaging Wind and Lightning Strike in Texas, May 19, 2001
- Flash Flood in Alabama, May 19 to 20, 2001
- Tornado and Flash Flooding in Texas, May 19, 2001
- High Wind in Washington, May 19, 2001
- Hail and Damaging Winds in Texas, May 19 to 20, 2001
More
Every storm in Montana in 2001Every state in 2001This day in weather historyWarnings in Montana, May 2001
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5249971.