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How the Water Year is Unfolding GLEN MERRILL METEOROLOGIST/HYDROLOGY FOCAL POINT NATIONAL WEATHER SERVICE, SLC Legislative Water Development Commission June 22, 2020

How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

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Page 1: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

How the Water

Year is Unfolding

GLEN MERRILLMETEOROLOGIST/HYDROLOGY FOCAL POINT

NATIONAL WEATHER SERVICE, SLC

Legislative Water Development CommissionJune 22, 2020

Page 2: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Water Year, Beginning Oct. 1, 2020

Page 3: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty
Page 4: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Snow Water Equivalent

April 15, 2020 – May 15, 2020

Page 5: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty
Page 6: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Precipitation

Page 7: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty
Page 8: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Temperature

Page 9: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty
Page 10: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Departure From Normal

-20

-15

-10

-5

0

5

10

15

20

25

Char t Title

Departure From Normal Normal

Departure From Normal (F)April 15 – May 31 2020

Above Normal TemperaturesBelow Normal Temperatures

Page 11: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty
Page 12: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Water Supply

Page 13: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Based on Latest Model Guidance

• Weber River at Oakley: 79%• Bear at the UT/WY Stateline: 88%• Big Cottonwood Creek: 68%• Provo River near Hailstone: 80%• Sevier River near Kingston: 58%• Green River at Green River, UT: 75%• San Juan near Bluff: 50%• Lake Powell inflow: 57%

Page 14: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Drought Monitor

Page 15: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty
Page 16: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Post Wildfire- Debris Flow Threat

Page 17: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Bald Mt./Pole Creek Burn Scar

Page 18: How the Water Year is UnfoldingUSDA ONRCS Bear River 110 Northeastern Uintahs 126 104 Utah - Duchesne River - San Rafael 130 Wrnon Lower Sevier River Beaver River Pitch ,103 102 Dirty

Contact Information

Glen MerrillMeteorologist/Hydrology Focal Point

[email protected]

801.524.4377