National Situation Update: Friday, March 9, 2007

Homeland Security Threat Level: YELLOW (ELEVATED).

National Weather

West: A Pacific low pressure system will bring rain and mountain snow to western Washington and western Oregon, Some moderate snow amounts are forecast across the Cascades and the northern Rockies. A warming trend has started and by Monday temperatures will be 10 to 25 degrees above average from Montana (60s)  to Arizona (90s).

Midwest: A weak cold front will move across the central Plains and produce a line of precipitation extending from the Great Lakes to eastern Texas. Highs will average in the 30s across the Upper Midwest and western Great Lakes, to the 60s from the central Plains into the Ohio River Valley.

South: A persistent easterly flow along the Atlantic Coast will produce a few showers from the coastal Carolinas to northern Florida. A weak cold front will move across the southern Plains, producing showers and isolated thunderstorms across Oklahoma, northern Texas and Arkansas. Highs will range from the 60s across Oklahoma, Arkansas, Tennessee and North Carolina to the 80s along the Gulf Coast and the Florida Peninsula.

Northeast: Under a ridge of high pressure record lows are forecast for parts of the Northeast this morning. Temperatures should drop well below zero over much of northern New York and northern New England. Temperatures will warm through the day as milder air begins moves into the region. Highs will range from the teens in northern Maine to the 40s and 50s in Virginia by this afternoon. (NWS, media sources)

Tropical Weather Outlook

Atlantic/Caribbean/Eastern Pacific: No significant activity to report.

Western Pacific: No activity threatening U.S. Territories. (NOAA, National Hurricane Center, Central Pacific Hurricane Center and the Joint Typhoon Warning Center)

Earthquake Activity

On Thursday, March 8, 2007 at 10:17 pm EST an earthquake measuring 4.7 magnitude struck about 14 miles north-northwest of Bridgeport, California at a depth of 6.5 miles.  Numerous after shocks have occurred ranging from 1.3 to 3.8 magnitude. There were no reports of damage or injuries.

On Thursday, March 8, 2007 at 10:22 pm EST an earthquake measuring 6.2 magnitude struck about 40 miles northeast of Nakhodka, Russia at a depth of 270 miles. There were no reports of damage or injuries and there was no tsunami generated.(USGS, Earthquake Hazards Program, Alaska Earthquake Information Center, Pacific Tsunami Warning Center, and West Coast/Alaska Tsunami Warning Centers)

Preliminary Damage Assessments

No new activity (FEMA HQ)

Disaster Declaration Activity

No new activity (FEMA HQ)

Last Modified: Friday, 09-Mar-2007 07:53:42 EST