Wyoming Spring Runoff 2020 Flood Potential--issued Feb 28th

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Quick Synopsis:

--Late February snowpack and/or SWEs were above average (105 to 115% of median) across almost all major basins in Wyoming. The highest SWEs were over the Big Horn Mountains and the Sierra Madre Mountains (southern Wyoming).â€‹

--Above average snow depths across western Wyoming.

--Above average soil moisture percentages across basins in northeastern Wyoming and potions of the Wind River Basin; below average soil moisture percentages across southern Wyoming.

--Widespread pine bark beetle damage (2010-2018) across the Upper North Platte, Little Snake, Laramie, and Wind River Basins.

--No significant precipitation trends during the spring runoff season (May – July). Above average temperatures are expected across central to western Wyoming during the runoff season.

Highlights:

…Low to Moderate potential for snowmelt runoff flooding is forecasted along the portions of the Laramie and the Salt River Basins (far western Wyoming)…

…All other of headwater basins across Wyoming can expect a generally Low potential for flooding due to springtime snowmelt runoff...

The current Wyoming Spring 2020 Snowmelt Runoff Flood Potential Outlook graphic:

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Wyoming Spring Runoff 2020 Flood Potential--issued Feb 28th

Quick Synopsis:

Highlights:

Wyoming Spring Runoff 2020 Flood Potential Briefing: