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Powerful Pacific Storm to Continue Impacting Northern California; Heavy Snow in the Appalachians and Portions of the Northeast

A strong atmospheric river will continue to impact northern California with heavy rain and life-threatening flooding through Friday. Unsettled weather is expected across much of the Northeast and Great Lakes over the next few days, including the likelihood of heavy snow in the central Appalachians and higher elevations of northeastern Pennsylvania and southern New York. Read More >

Tulsa, OK

Weather Forecast Office

Climate and Hydrology Highlights Oct. 2009

Weather.gov > Tulsa, OK > Climate and Hydrology Highlights Oct. 2009

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October 2009

  • Tulsa: October 2009 tied with 1925 as the coldest October on record (since 1905). The average temperature was 55.9 deg F, which was 6.7 deg F below normal. This was also the 21st wettest October (since 1888) with 6.14 inches of rain. Click here for more details.
  • Tulsa only had 9 heating degree days this October. The only other time since 1905 there were single digit heating degrees days in October was in 1906, which also had 9 HDDs.
  • Tulsa's Annual Normal Rainfall is 42.42 inches. From Jan. 1 - Oct. 31, 2009, Tulsa has already received 43.66 inches of rain.
  • October 2009 ranked as the 3rd wettest October in Fort Smith and the 7th coldest October (since 1882). Click here for more details.
  • Fort Smith's Annual Normal Rainfall is 43.87 inches. From Jan. 1 - Oct. 31, 2009, Fort Smith has already received 52.00 inches of rain.
  • Several record low maximum temperatures were set this month at TUL, FSM, FYV, and MLC. FYV and MLC both tied record minimum temperatures on the 18th.
  • There were 13 floods at 10 forecast points this month. Ater the heavy rain event on Oct. 8-9, 9 of the 31 forecast points in the HSA exceeded flood stage, with 6 reaching moderate flooding.
  • Rainfall totals for October 2009 ranged from 5 to 10 inches across the along and northwest of I-44 to 8 to 15 inches elsewhere. Almost all of the area received between 150% and 300% of the normal October precipitation, with a few areas of southeast OK and northwest AR receiving 300% to 400% of normal.
  • An El Nino Advisory is in affect. El Nino is now moderate intensity and is still expected to remain at least a moderate event later this fall and winter. Click here for the Winter Outlook.
  • According to the Drought Monitor, no drought conditions exist across eastern OK or northwest AR.
Rank since 1921
(“Last XX days” ending Oct. 31, 2009)
October 2009
Last 60 days
Last 90 days & Last 120 days
Last 365 days (Nov. 1, 2008 – Oct. 31, 2009)
Year-to-Date (Jan. 1, 2009– Oct. 31, 2009)
Northeast OK
6th wettest
6th wettest

6th wettest

18th wettest
13th wettest
East Central OK
4th wettest
3rd wettest
2nd wettest
19th wettest
10th wettest
Southeast OK
2nd wettest
1st wettest
1st wettest
6th wettest
5th wettest
Statewide
4th wettest
5th wettest
6th (last 90) 5th (last 120) wettest
 
 

 

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