Document Archive

Quarterly Climate Impacts and Outlook for Hawaii and the U.S. Pacific Islands Region for November 2018 – February 2019.  Dated March 2019. 

Includes significant events, regional climate overview, and sectoral impacts for November 2018 – February 2019; regional outlook for March – May 2019.  

Long-term drought in the Southwest will continue to impact reservoirs and water supply Weak El Niño conditions developed in January; an “El Niño Advisory” is in effect as of 14 February 2019. ​Since October 2018, the region has experienced mostly wetter and cooler conditions than 1981-2010 normals (Fig 1). Extreme and Exceptional Drought in the Southwest has decreased in extent from 25% in October 2018 to 5% in February 2019 (Fig 2). Several years of above-average precipitation and run-off will be needed to alleviate the water supply deficits r

This Climate.gov feature highlights that the Ogallala Aquifer (which underlies parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming) is drying. This will likely be one of the most pressing issues facing water availability in the Southern Plains regions in the coming decades.

Quarterly Climate Impacts and Outlook for Hawaii and the U.S. Pacific Islands Region for September – November 2019.  Dated December 2019. 

Includes significant events, regional climate overview, and sectoral impacts for September – November 2019; regional outlook for December 2019 – February 2020.  

Quarterly Climate Impacts and Outlook for the Midwest Region for September – November 2019.  Dated December 2019.

Temperatures in the region averaged below normal in the upper Midwest and above normal further southeast.  The continued wetness of 2019 persisted into the fall.  Year-to-date precipitation ranked among the top 10 in all nine states, with new records in Wisconsin, and the Midwest.

Quarterly Climate Impacts and Outlook for the Midwest Region for September – November 2018.  Dated December 2018. 

Fall began with a warm September (15th warmest for the Midwest and record warm in Ohio since 1895) with the warmth continuing through early October for the southeastern two thirds of the Midwest.  Precipitation was particularly abundant from Iowa to Wisconsin and in the Ohio River Valley.

Quarterly Climate Impacts and Outlook for Alaska and Northwestern Canada for September – November 2018; outlook for January – March 2019.  Dated December 2018. 

Between September and November 2018, Alaska, the majority of the Yukon Territory, and a small portion of northwestern Northwest Territories (NT) experienced warmer than average conditions.  Total precipitation between September and November was below average over a small area in northwestern Alaska, and across a band spanning southern Alaska, southern Yukon, and southern NT.

Quarterly Climate Impacts and Outlook for the Great Lakes Region for September – November 2018.  Dated December 2018.

Extreme shifts from unseasonably warm to record cold temperatures occurred this fall season. Autumn precipitation averaged out to be near normal.

Quarterly Climate Impacts and Outlook for the Missouri River Basin September – November 2018. Dated December 2018.

Overall, it was a cool autumn across the Missouri River Basin, with widespread temperature departures in the 2-6°F below-normal range.  While precipitation varied across the region, it was a particularly wet autumn for an area extending from eastern New Mexico through Wisconsin.

Quarterly Climate Impacts and Outlook for the Northeast Region for September – November 2018.  Dated December 2018.

Autumn averaged out to be 0.3°F above normal for the Northeast.  The Northeast had a record wet autumn with 148% of normal precipitation.