National Weather Service United States Department of Commerce

Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

  Climate Home Hydrology Home

September 2009

  • 2 rivers exceeded flood stage: Neosho R. near Commerce (twice this month, both moderate flooding) and Verdigris R. near Lenapah (minor flooding)
  • Locations east of I-44 and Hwy 75 received 125% to 300% of the normal September rainfall.  Elsewhere, 25% to 75%. Eastern Kay, western Osage, and western Pawnee Counties had the biggest  deficits receiving 10% to 25% of normal rainfall for September.
  • Spavinaw Coop Observer reported 12.05 inches in Sept. 2009, with reports of over 1 inch of rain on 5 days and over 3 inches on 2 days this month.
  • RVS reported 10.44 inches and MKO reported 10.20 inches this month.
  • TUL: 17th coldest September (since1905) and 13th wettest September (since1888)
  • TUL: Set a daily rainfall record of 4.42" on 9/21/09.  Old record was 3.50" in 1902.
  • FSM: 9th wettest September (tied with 1890) and 36th coldest September (since1882)
  • According to OCS, Southeast OK ranked as the 6th wettest September and the 4th wettest July-September period (since 1921).  From Jan. 1-Sept 30, Southeast OK ranked 11th wettest; East Central OK ranked 26th wettest; and Northeast OK ranked 24th wettest.
  • An El Nino Advisory is in affect. El Nino continues and is still expected to become a moderate event later this fall and winter.
  • According to the Drought Monitor, no drought conditions exist across eastern OK or northwest AR.