National Weather Service United States Department of Commerce

Extreme Fire Weather Concerns; Severe Thunderstorms from the Plains to Mississippi Valley

Extremely critical fire weather concerns for portions of the southern High Plans as strong wind and very dry conditions could result in rapid spread of any fires. Meanwhile, severe thunderstorms are expected once again across areas of the Central and Southern Plains, then spreading in the Mississippi Valley regions on Monday. Damaging winds, very large hail and strong tornadoes are possible. Read More >

 

Temperature Trends
Brownsville, Harlingen, McAllen, in 2010
 

The following charts depict the general trend of 2010, which began with a moderate El Niño leading to generally above average precipitation, particularly in February, and extensive cloud cover and cooling fronts to maintain below average temperatures through winter and early spring. A return to above average temperatures arrived by mid spring, continuing through the rest of the year but punctuated briefly in July when residual ground moisture associated with Hurricane Alex and Tropical Depression Number 2 may have contributed to near to slightly below average temperatures. The rapid development of La Niña in late summer and autumn turned the spigot off at the end of September; despite frequent cooling fronts, abundant sunshine and drying ground helped boost temperatures to well above average on many days in November and December.

Bar Graph of average temperatures, by month, in Brownsville for calendar year 2010 (click to enlarge) Line Graph of average temperatures, by month, in Brownsville for calendar year 2010 (click to enlarge)
Bar Graph of average temperatures, by month, in Harlingen for calendar year 2010 (click to enlarge) Line Graph of average temperatures, by month, in Harlingen for calendar year 2010 (click to enlarge)
Bar Graph of average temperatures, by month, in McAllen for calendar year 2010 (click to enlarge) Line Graph of average temperatures, by month, in McAllen for calendar year 2010 (click to enlarge)
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