Thursday, September 30, 2010

[californiadisasters] North Ops News & Notes Update (9/30/10-7AM)

News and Notes

National PL: 2 North Ops PL: 2 MACS Mode: 2

Initial Attack Activity was light in the GACC yesterday with 4 fires for 65 acres reported in the Daily Situation Report, ( there may be a 24-hour delay in reporting on the SIT report)

There are 2 small fires being managed to achieve multiple objectives (ENF).

Prescribed burning has begun in the GACC, although most units are holding off until they receive additional precipitation.

There are currently no large fires burning in the GACC.

Fuels are dry throughout the region. 1000 hour fuels are measured at or below 15 percent except for the North Coast PSA. BI is averaged at 45 for the GACC.

CONTINUED HOT and DRY - Some areas have had no RH above 25% for three days and nights **

High pressure aloft remains quite strong over northern CA, for another unseasonably hot and very dry day on tap. Many areas, particularly on mid and upper slopes, have now not exceeded 35% RH night or day since Sunday morning. The center of the high shifts a little east on Thursday, allowing a SE flow pattern to develop that would send air from the presently more moist airmass over southern CA in the direction of North Ops. This, and a trend to lowered stability, means we could possibly see isolated, high-based, convective activity reach the SE corner of NOPS late Thursday or in the evening. A chance of isolated thunderstorms would also linger in parts of the Eastside and northern Sierra PSAs on Friday. There are still no widespread or significant wind patterns foreseen in the next 3 days.


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