My altimeter in Long Beach is 29.21 this morning…the lowest this instrument has ever recorded ( since 1988). And it is still dropping. Up in the SFO Bay area the altimeter settings are around 29.10 or lower.
LA forecast discussion:
AS A SIDE NOTE THE 06Z WRF FCSTS A 984 MB PRESSURE OVER L.A. COUNTY LATER THIS EVENING WHICH IF IS CORRECT WILL BE AT OR NEAR THE ALL TIME LOW PRESSURE READING FOR L.A…
SAC forecaster discussion
THE CENTRAL PRESSURE OF THE LOW IS PROJECTED TO BE AROUND
978 TO 980 MB. THIS COULD TIE OR BREAK THE ALL TIME LOW SEA LEVEL
PRESSURE FOR SACRAMENTO…WHICH IS 980.4 MB (28.95 INCHES) SET WAY BACK ON JANUARY 27TH 1916.
edit: here is the update for the record:
000
SXUS76 KLOX 211640 CCA
RERLOX
RECORD EVENT REPORT…CORRECTED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
825 AM PST THU JAN 21 2010
…PRELIMINARY RECORD LOWEST BAROMETRIC PRESSURE AT LOS ANGELES
INTERNATIONAL AIRPORT…
AT 820 AM PST…THE BAROMETRIC PRESSURE AT LOS ANGELES INTERNATIONAL AIRPORT FELL TO 29.20 INCHES OF MERCURY…OR 988.8 MB. THIS BREAKS THE PREVIOUS RECORD LOWEST BAROMETRIC PRESSURE READING OF 29.25 INCHES…OR 990.6 MB…SET ON JANUARY 17TH 1988. IT IS LIKELY THAT THE PRESSURE WILL FALL EVEN FURTHER THROUGH THE MORNING…AND THERECORD WILL CONTINUE TO MONITORED.
PRESSURE DATA RECORDS AT LOS ANGELES AIRPORT DATE BACK TO 1931.
edit:
Eureka record from 1891 broken!!!
…ALL-TIME RECORD LOW BAROMETRIC PRESSURE SET AT EUREKA CA…
AN ALL-TIME RECORD LOW BAROMETRIC PRESSURE OF 28.90 INCHES (979MILLIBARS) WAS SET AT EUREKA CA YESTERDAY. THIS BREAKS THE LONGSTANDING RECORD OF 29.91 INCHES MEASURED IN FEBRUARY OF 1891.
