Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. 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.

TSA RSS Feed

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

September 2009 Highlights