Document Archive

Quarterly Climate Impacts and Outlook for the Southern Region for December 2019 – February 2020.  Dated March 2020.

Winter temperatures were above normal for much of the region with the west experiencing smaller departures from normal due to a cooler February.  Winter precipitation varied spatially across the region with wetter than normal conditions in the north and east and drier than normal conditions in parts of the west and south.

Quarterly Climate Impacts and Outlook for the Gulf of Maine Region for December 2019 – February 2020. Dated March 2020.

Winter temperatures were as much as 4°C (7°F) above normal.  Winter precipitation ranged from 50% of normal to 150% of normal. In Nova Scotia, this winter ranked among the ten driest for the Greenwood and Truro areas.

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.  

<h2>Long-term drought in the Southwest will continue to impact reservoirs and water supply</h2> <ul> <li>Weak El Niño conditions developed in January; an “El Niño Advisory” is in effect as of 14 February 2019.</li> <li>​Since October 2018, the region has experienced mostly wetter and cooler conditions than 1981-2010 normals (Fig 1).</li> <li>Extreme and Exceptional Drought in the Southwest has decreased in extent from 25% in October 2018 to 5% in February 2019 (Fig 2).</li> <li>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.