Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Climate Home

Hydrology Home

April 2009

Both Tulsa and Fort Smith were slightly cooler and slightly wetter than normal this April.

McAlester recorded an all-time record daily low for April: 24 deg F on April 7, 2009. The previous coldest low temperature for any day in April was 25 deg F, which had occurred on 4/2/1962, 4/3/1975, and 4/13/1957.

The beginning of April was dry, then conditions became very wet by the end of April.

The Neosho River near Commerce went above flood stage 3 times this April. There was also flooding along the Verdigris River near Lenapah, the Caney River near Collinsville and the Poteau River near Panama.

La Nina came to an end in April. The Climate Prediction Center issued the Final La Nina Advisory and ENSO neutral conditions are expected through the summer.

TSA RSS Feed

Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

April 2009 Highlights