Category: Forecasting

Mega High then tropical remnants

Tomer’s Take: All-time temperature records continue to fall. Mega high pressure dome running 3 standard deviations above 20-year average. Core of the heat is CA, NV, UT. High breaks down on 9/9. A small high pressure dome re-builds 9/11-9/12. Tropical remnants could affect the West on/after 9/12 through 9/17. After this Mega High breaks down […]

Monsoon done for the season in Colorado with one wrinkle

Tomer’s Take: Southerly flow is drying up and Monsoon appears done for the season in Colorado. Isolated afternoon mountain t-storms are still possible at times. But, these t-storms will be fewer, weaker, and lack the torrential rain we experienced in July and most of August. Monsoon Season in Colorado normally runs July-August. This season featured […]

Sarah Strattan recounts her summit of K2

Sarah Strattan lives, trains, and teaches in Colorado. Making Turns…A Ski Attempt and Summit of K2, Pakistan June 12, 2022 – August 12, 2022 Guest post written by Sarah Strattan This summer I traveled to Pakistan to climb and potentially ski K2, the second tallest mountain in the world. Many people have heard about the […]

Remainder of August outlook in Colorado

Tomer’s Take: In Colorado, the next Monsoon surge arrives 8/25-8/26. It’s a small to medium intensity surge. Snow is again possible on the 14ers. Telluride Mountain Run 8/27. Forecast below. Looking ahead, the Monsoon gradually fades after 8/26 but still remains present at a low intensity until 8/31. After 8/31, data suggest the Monsoon continues […]

Intermittent Monsoon this week in Colorado

Tomer’s Take: Surge continues 8/22 then a break 8/23-8/24. Next surge is small on 8/25-8/26. Snow is possible on the 14ers with each surge. Telluride Mountain Run 8/27 forecast is below. Looking ahead, the Monsoon turns much weaker by the end of August. Seasonal Shift Eric Holle posted this video on Facebook of snow on […]

Rain chances this weekend in Colorado

Tomer’s Take: A surge of Monsoon moisture is moving into Colorado. This means afternoon rain/t-storms are more likely through Monday. Precipitation chances for LT100 and Triple Bypass are increasing. Early and late precipitation is now possible especially in the Southern Mountains. Snow is possible both Saturday night and Sunday night on the 14ers. Light accumulations. […]

Weekend events: Small Monsoon surge

Tomer’s Take: A small Monsoon surge hits Colorado 8/19-8/22. Bulk of moisture stays in the Southern and Central Mountain Zones. LT100 run and Triple Bypass are 8/20. Current Setup Water vapor satellite shows a large wedge of drier air moving into Colorado. The next Monsoon plume is forming to our West in Arizona and Nevada. […]

Aurora possible tonight: Geomagnetic Storm Watch issued

Tomer’s Take: The Space Weather Prediction Center (SWPC) issued a Geomagnetic Storm Watch for a “G3” level storm intensity late 8/17 into 8/18. A G3 is categorized as “strong”. This generates a KP Index of 7. Generally, this brings the Aurora Borealis viewing line south to about 50° latitude. Sometimes locations a little further south […]

Small Monsoon surge this weekend in Colorado

Tomer’s Take: In Colorado, two drier days ahead 8/17-8/18 for the Central and Northern Mountains (& Front Range). Most afternoon t-storms 8/17 stay in Southern Colorado. The next Monsoon surge is smaller but lingers: 8/20-8/23. Afternoon rain/t-storms are more likely on these days. LT 100 run and Triple Bypass bike are 8/20. Current Setup Water […]

Monsoon season continues in Colorado

Tomer’s Take: This is one of the most robust Monsoon season’s in Colorado in recent memory. It stays active through the end of August. Two events upcoming on 8/20: LT 100 run and Triple Bypass bike race. Two Monsoon surges: 1) Now-8/17 (medium intensity), 2) 8/20-8/22 (Lower intensity). Current Setup Water vapor satellite shows the […]