Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Northwestern Plateau

December-January-February Precipitation

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On average, the relationship between La Niña and below normal precipitation in New Mexico is strongest in the southwest corner of the state and weakest in northern portions of the state, particularly along the Colorado border. Our two stations in northwest New Mexico support this pattern. Winter precipitation in Aztec, located in extreme northern New Mexico, does not exhibit a strong signal of reduced precipitation during La Niña events. To the south, Chaco Canyon does show a reduction in precipitation, mainly during the strong La Niña events.

A description of the graphs is located at the bottom of the page.

winter precip for aztec during la nina events

Percent of Longterm Average for all La Niña Events = 97% , for strong La Niña Events = 104%

winter precip for chaco canyon during la nina events

Percent of Longterm Average for all La Niña Events = 78% , for strong La Niña Events = 65%

Precipitation values for 3-month periods during 19 La Niña Events since 1949-50 are plotted with respect to the long term precipitation average, listed to the right of the graph. The precipitation totals for each 3-month period are plotted above or below each bar. Years for which the La Niña Event was considered to be strong are colored in purple. "M" represents a 3-month period with missing data. Finally, the percents of longterm normal for all La Niña events and for the strong La Niña events are listed below each graph.

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Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

NWS ABQ La Nina Winter Precipitation CD1