Henry’s Fork, May 2nd, 2023

Headlines from Dr. Rob Van Kirk’s SWE report filed yesterday for the Henry’s Fork drainage.

Headlines
• Temperatures and snow melt were well above average yesterday, but current SWE is 10% above the average annual peak and 27% above average for the date.
• Natural stream flow has increased 22% in the past two days and is 72% of average for the date.
• Precipitation over the next week is now forecast to be heavy, with much cooler temperatures.
• My forecast for April-September total natural stream flow is 105% of average for the watershed: 102% in upper Henry’s Fork, 103% in Fall River, and 106% in Teton River.