Earth Alerts logo
Download
EARTH ALERTS

Citizen Weather Observer Program
^^

National Weather Service - Local Forecast


Porterville, California
Updated: Wednesday, March 10 2010 - 3:00 AM PST
Today

Chance of
Precip
High: 57 		Tonight

Chance of
Rain
Low: 37 		Thu

Mostly
Clear
High: 63 		Thu night

Mostly
Clear
Low: 39 		Fri

Mostly
Clear
High: 67 		Fri night

Chance of
Precip
Low: 47 		Sat

Chance of
Precip
High: 65


LOCAL FORECAST

NATIONAL WEATHER SERVICE - Digital Forecasts
Updated: Wednesday, March 10 2010 - 3:00 AM PST
Location: Porterville, CA

Today... Partly cloudy with a 20 percent chance of precipitation. Highs 50 to 57 °F. Light winds from the west up to 7 mph.

Tonight... Slight chance of rain. Lows 37 to 42 °F. Light winds from the south-southeast up to 5 mph.

Thursday... Mostly clear. Highs 54 to 63 °F. Light winds from the southwest up to 8 mph.

Thursday night... Mostly clear. Lows 39 to 44 °F. Light winds from the south-southeast up to 5 mph.

Friday... Mostly clear. Highs 58 to 67 °F. Light winds from the south-southwest.

Friday night... Mostly cloudy with a 20 percent chance of precipitation. Lows 47 to 54 °F. Light winds from the south-southwest.

Saturday... Mostly cloudy with a 20 percent chance of precipitation. Highs 54 to 65 °F. Light winds from the south-southwest.

Saturday night... Partly cloudy. Lows 45 to 56 °F. Light winds from the west up to 5 mph.

Sunday... Mostly clear. Highs around 63 °F.

Sunday night... Mostly clear. Lows around 47 °F.

Monday... Mostly clear. Highs around 67 °F.

Monday night... Mostly clear. Lows around 46 °F.

Tuesday... Mostly clear. Highs around 70 °F.


AREA FORECAST DISCUSSION

NATIONAL WEATHER SERVICE - San Joaquin Valley / Hanford, CA
Issued: Wednesday, March 10 2010 - 2:44 AM PST

Synopsis...

Windy conditions can be expected in the desert and sierras today as a result of a fast moving cold front that past through the central interior this morning. Very cold air behind this system will settle in the valley with possible frost conditions Thursday morning.

Discussion...very fast northwest flow aloft is really pushing the incoming frontal system to the southeast at a rapid clip. Radar and surface obs show the precipitation is now at Merced and heading down the forecast area in a big hurry. Grids have been updated to reflect a quick shot of precipitation ending even in the Bakersfield area by late morning. I have lingered some pops over the upslope areas of the Kern county mountains and the Sierra through the afternoon but by sundown, all areas should be dry.

Winds have already gusted to over 60 mph at Mojave earlier this evening and with the very fast flow aloft and especially behind the front, in the subsidence zone the winds should pick up again over the entire area. I expect advisory to locally high wind warning level winds for much of the the day over the Kern mountains and desert. Meanwhile, after the front pushes through the San Joaquin Valley a moderately strong northwest wind will begin. May not see advisory level winds here but it will need close monitoring. Shortwave ridging will move over the forecast area on Thursday before the next very fast moving Pacific short wave moves into and quickly across the area Friday afternoon and evening. Friday evening looks to be the target for precipitation and i have upped pops quite a bit for this time period. Due to the quick hitting nature of the incoming system i don`t expect a big precipitation event, but certainly more than today`s expected amounts. A stronger a longer lasting ridge is then progged to build over the West Coast for the weekend and persist into next week. Looks like a dry break for at least a few days next week.

Aviation... Mvfr conditions in rain across the San Joaquin Valley through 20z today. Afterward...mvfr cigs continue in a post-frontal environment with an increase in surface winds. Across the Sierra Nevada and Tehachapi mountains...mvfr conditions becoming widespread with local ifr vsby and cigs in light to moderate rain and snow through 00z Thursday. Locally gusty surface winds 40-50 kts through and below passes. Conditions slowly improving toward 12z Thursday. In the Kern deserts...vfr conditions through 18z today. Conditions becoming mvfr in rain/snow showers through 12z Thursday. Strong surface winds gusting to 40 kts until 06z Thursday.

Air quality issues... None

HNX watches/warnings/advisories... Wind advisory until 10 PM PST this evening for the passes in the caz095.

Wind advisory until 10 PM PST this evening caz098-099.



HAZARDOUS WEATHER OUTLOOK

NATIONAL WEATHER SERVICE - San Joaquin Valley / Hanford, CA
Issued: Tuesday, March 9 2010 - 12:32 PM PST

Day one...this afternoon and tonight

No hazardous weather is expected at this time.

Days Two through Seven...Wednesday through Monday

No hazardous weather is expected at this time.

Spotter information statement...

Weather spotters are encouraged to report any significant or unusual conditions to the National Weather Service.