# Presentation: 657318

## Brian McInerney

- Hydrologist

- Water Supply Outlook

- National Weather Service

- March 2008

## Fall Conditions

##  Sep. Temperature - Precipitation

-  Sep. Temperature - Precipitation

## Oct. Temperature - Precipitation

## Nov. Temperature - Precipitation

## Mid Winter Conditions

##  Dec. Temperature - Precipitation

-  Dec. Temperature - Precipitation

##  Jan. Temperature -  Precipitation

-  Jan. Temperature -  Precipitation

##  Feb. Temperature - Precipitation

-  Feb. Temperature - Precipitation

## Alta Ski Area Record SnowSnowfall during month of January

- Alta Ski Area Record SnowSnowfall during month of January

- Average January Snow 82.6 -  inches

- 170 inches - 2008
- 168 inches - 1967
- 150 inches - 1996
- 146 inches - 1993
- 144 inches - 1980

- Record

## SnowCourtesy of NRCS

## Bear River Basin Snow

## Weber River Basin Snow

## Six Creeks River Basin Snow

## Provo River Basin Snow

## Duchesne River Basin Snow

## Green River Basin Snow

## Sevier River Basin Snow

## Virgin River Basin Snow

## Water Supply Forecast

## Forecasted Spring Runoff Volumes

- January/February/March 1st, 2008
- April Through July Volume Forecast
- Percent of 30 Year Average Flows
- Utah Area River Basins

**>150%**

**129 – 150%**

**110 – 129%**

**  ****90 – 109%**

**  ****70 –   89%**

**  ****50 –   69%**

**<50%**

**Utah**

**Wyoming**

**Idaho**

**Colorado**

**Arizona**

## Forecasted Utah Spring Snowmelt Runoff Volume

- March 1st 2008
- April Through July Volume Forecast
- Percent of 30 Year Average Flows
**Bear River Basin**

**>150%**

**129 – 150%**

**110 – 129%**

**  ****90 – 109%**

**  ****70 –   89%**

**  ****50 –   69%**

**<50%**

- Logan

**89%**

- Bear Lake

- Blacksmith Fork

**100%**

- Ut/Wy
- Stateline

**111%**

- Woodruff

**107%**

## Water Supply Forecast

- Bear/Utah Wyoming State Line

## Forecasted Utah Spring Snowmelt Runoff Volume

- March 1st, 2008
- April Through July Volume Forecast
- Percent of 30 Year Average Flows
**Weber River Basin**

**>150%**

**130 – 159%**

**110 – 129%**

**  ****70 –   89%**

**  ****50 –   69%**

**<50%**

**  ****90 – 109%**

- Pineview Res.

**109%**

- Gateway

**110%**

- Chalk Creek

**102%**

- Weber River

- East Canyon Res.

**116%**

- Ogden River

- Lost Creek Res.

**102%**

- Oakley

**107%**

## Weber nr Oakley River Gage

## Forecasted Utah Spring Snowmelt Runoff Volume

- March 1st, 2008
- April Through July Volume Forecast
- Percent of 30 Year Average Flows
**Six Creeks River Basin**

- City Creek

**>150%**

**129 – 150%**

**110 – 129%**

**  ****50 –   69%**

**<50%**

**  ****70 –   89%**

**  ****90 – 109%**

**118%**

- Little Cottonwood Creek

**113%**

- Big Cottonwood Creek

**113%**

- Jordan River

- Mill Creek

**119%**

- Parleys Creek

**119%**

- Emigration Ck.

**120%**

- Dell Fk.

## Little Cottonwood Creek

## Forecasted Utah Spring Snowmelt Runoff Volume

- March 1st, 2008
- April Through July Volume Forecast
- Percent of 30 Year Average Flows
**Provo River Basin**

**>150%**

**129 – 150%**

**110 – 129%**

**  ****90 – 109%**

**  ****70 –   89%**

**<50%**

**  ****50 –   69%**

- Utah Lake

- Jordanelle Res

**110%**

- Provo River

- Woodland

**110%**

- American Fork

**109%**

- Spanish Fork

**110%**

- Deer Creek Res

**107%**

## Provo nr Woodland

## Forecasted Utah Spring Snowmelt Runoff Volume

- March 1st, 2008
- April Through July Volume Forecast
- Percent of 30 Year Average Flows
**Green River Basin**

- Upper Stillwater

- Green River

**101%**

- Scofield Res.

- Lake Powell Res.

**129%**

**120%**

- Starvation Res.

**107%**

**115%**

- Randlett

**117%**

- Myton

- Red Fleet Res.

- Tabiona

**107%**

- Strawberry Res.

**115%**

**110%**

- Flaming Gorge Res.

**71%**

- Moon Lake

**110%**

**>150%**

**129 – 150%**

**110 – 129%**

**  ****90 – 109%**

**  ****50 –   69%**

**<50%**

**  ****70 –   89%**

**116%**

## Duchesne nr Tabiona

## Forecasted Utah Spring Snowmelt Runoff Volume

- March 1st, 2008
- April Through July Volume Forecast
- Percent of 30 Year Average Flows
**Sevier River Basin**

**124%**

- Cedar City

- Hatch

**120%**

- Beaver River

**107%**

- Minersville

**111%**

- Kingston

**128%**

- Beaver

- Sevier River

- EF Sevier River

**113%**

- Piute Res.

**124%**

- Sevier

**118%**

- Gunnison

**118%**

**>150%**

**129 – 150%**

**110 – 129%**

**  ****50 –   69%**

**<50%**

**  ****90 – 109%**

**  ****70 –   89%**

- Kingston

## Sevier River near Hatch

## Forecasted Utah Spring Snowmelt Runoff Volume

- March 1st, 2008
- April Through July Volume Forecast
- Percent of 30 Year Average Flows
**Virgin River Basin**

- Santa Clara River

- NF Virgin River

- EF Virgin River

- Pine Valley

- Littlefield, AZ

- Virgin

- Hurricane

**145%**

**136%**

**144%**

**143%**

**>150%**

**129 – 150%**

**110 – 129%**

**  ****70 –   89%**

**  ****50 –   69%**

**  ****90 – 109%**

**<50%**

## Santa Clara River near Pine Valley

## Short Term Forecast

## Click on logo for Salt Lake City Forecast

## Current Conditions in the Equatorial Pacific

## Actual Temperature

## Temperature Anomalies

## Sea Surface Temperatures by Depth

## Long Term Forecast

## La Nina Precipitation ProbabilitiesJanuary - March

## La Nina Temperature ProbabilitiesJanuary - March

## Contact Information

- Contact Information

- Brian McInerney801.971.2033 cbrian.mcinerney@noaa.gov