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Brief Temp. Drop... Weekend Rain... Nov. Global Temps.

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Updated: 12/11/2013 10:10 pm

Our cooler air has arrived but all weather eyes are otherwise on a weekend storm system. Temps. Thu. night will dip into the 30s inland but a warming trend will make for a nice Fri. afternoon with highs approaching 70.

A storm system will develop across the Southeast U.S. over the weekend. Forecast models are slowing down the system which presents problems for Sunday. Sat. looks to be the "pick day" of the weekend under partly sunny skies & breezy south winds as temps. soar well into the 70s with possibly a few low 80s inland. Isolated showers will develop but widespread rain should be to the north. Then the cold front pushes south & east accompanied by a fairly wide band of rain. All parts of the First Coast should get on-&-off rain between midnight Sat. & noon Sunday. The rain will slowly sink southeast Sun. afternoon, but it'll be awfully close Sunday afternoon as to whether or not it's raining for kickoff of the Jags' game. Temps. will be in the 60s.

So if you're traveling this weekend, expect wet highways/interstates north, northwest & west Sat. & across much of the area Sunday. There are early indications, by the way, of a significant storm a week from this weekend stretching all the way from the middle of the U.S. to the east coast.

As part of an ongoing joint project between UAHuntsville, NOAA and NASA, Christy and Dr. Roy Spencer, an ESSC principal scientist, use data gathered by advanced microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions of the Earth. This includes remote desert, ocean and rain forest areas where reliable climate data are not otherwise available.

The satellite-based instruments measure the temperature of the atmosphere from the surface up to an altitude of about eight kilometers above sea level. Once the monthly temperature data is collected and processed, it is placed in a "public" computer file for immediate access by atmospheric scientists in the U.S. and abroad.

Global Temperature Report: November 2013

Global climate trend since Nov. 16, 1978: +0.14 C per decade

November temperatures (preliminary)

Global composite temp.: +0.19 C (about 0.34 degrees Fahrenheit) above 30-year average for November.

Northern Hemisphere: +0.16 C (about 0.29 degrees Fahrenheit) above 30-year average for November.

Southern Hemisphere: +0.23 C (about 0.41 degrees Fahrenheit) above 30-year average for November.

Tropics: +0.02 C (about 0.04 degrees Fahrenheit) above 30-year average for November.

October temperatures (revised):

Global Composite: +0.29 C above 30-year average

Northern Hemisphere: +0.33 C above 30-year average

Southern Hemisphere: +0.25 C above 30-year average

Tropics: +0.03 C above 30-year average

(All temperature anomalies are based on a 30-year average (1981-2010) for the month reported.)

Notes on data released Dec. 4, 2013:

Compared to seasonal norms, in November the warmest area on the globe was in eastern Antartica, where the average temperature for the month was 5.32 C (almost 9.6 degrees F) warmer than seasonal norms, according to Dr. John Christy, a professor of atmospheric science and director of the Earth System Science Center at The University of Alabama in Huntsville. The coolest area was in
northwestern Greenland, where temperatures in the troposphere were 4.16 C (almost 7.5 degrees F) cooler than seasonal norms.

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