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National Situation Update: Saturday, July 25, 2009

Homeland Security Threat Level: YELLOW (ELEVATED).

National Weather Forecast

Northeast
Showers are forecast for northern New England with scattered thunderstorms developing over the eastern Great Lakes. An approaching cold front will bring more widespread thunderstorms on Sunday.
Midwest
A cold front continuing to move southward and eastward across the region will bring thunderstorms across the Great Lakes, Ohio Valley, Missouri and Kansas. High temperatures will range from the 60s in the northern Great Lakes to 80s in the Ohio Valley, Missouri and the Plains; southern Kansas may reach the lower 90s.
South
A few thunderstorms are possible across the Texas Panhandle, northern Oklahoma and northern Arkansas. The immediate southeast and northern Gulf Coasts will see scattered thunderstorms, mainly in the afternoon. Thunderstorms may be more widespread over southern Florida. High temperatures will range from the low to mid-90s across much of the southeast to near or over 100 across much of Oklahoma and Texas.
West
By Sunday the Northwest will see extreme heat. Sunday through Wednesday, the California to Washington corridor will see temperatures 5-25 degrees above average while areas from the Rockies eastward will see temperatures 5-20 degrees below average. Portland, Oregon will see temperatures in the low 90s today and may see 100 degrees by Tuesday. By Tuesday record high temperatures are possible west of the Cascades. Thunderstorms will increase from the Rockies into the high Plains with a few dry thunderstorms possible as far west as the Sierra and Cascades. (NOAA, National Weather Service, Various Media Sources)

Tropical Weather Outlook

Atlantic
Tropical Cyclone formation is not expected during the next 48 hours.

Eastern Pacific
Tropical Cyclone formation is not expected during the next 48 hours.

Central Pacific
No tropical cyclones are expected through Saturday morning.

Western Pacific
No activity affecting U.S. territories. (NOAA, HPC, National Hurricane Center, Central Pacific Hurricane Center and the Joint Typhoon Warning Center)

Earthquake Activity

On July 25, 2009 at 9:43 p.m. EDT, a magnitude 4.6 earthquake occurred 246 miles east-southeast from Anchorage, AK at a depth of 7.9 miles. There were no reports of injury or damage and no tsunami was generated.(USGS, Earthquake Hazards Program)

Preliminary Damage Assessments

No new activity (FEMA HQ)

Wildfire Update

National Preparedness Level 2 (increased activity)
National Fire Activity as of Friday, July 24, 2009:
Initial attack activity: Light (180 new fires)
New large fires:  2
Large fires contained: 3
Uncontained large fires:  9
States affected:  AK, CA, UT, and TX (NIFC)

Disaster Declaration Activity

FEMA-1845-DR-Arkansas, Amendment #2 for Severe Storms, Tornadoes and Flooding that occurred April 27, 2009. Effective July 24, 2009 this declaration is amended to include Pope County for Public Assistance. (FEMA HQ)
FEMA-1848-DR-Kansas, Amendment #1 for Severe Winter Storm and Record and Near Record Snow that occurred March 26-29, 2009. Effective July 24, 2009 this declaration is amended to include Morris County for Public Assistance. (FEMA HQ)

Last Modified: Monday, 27-Jul-2009 07:59:59 EDT