weather advisories
Flash Flood Watch
Full Advisory Text
almanac
| Sunrise: 6:43am |
Moonrise: 3:04am |
Moon
Phase: |
 |
| Sunset: 5:27pm |
Moonset: 12:49pm |
rainfall totals
| Hourly Rain: | 0.00 in |
| Daily Rain: | 0.00 in |
| Last 24 Hour | 0.00 in |
| Monthly Rain: | 0.71 in |
| Yearly Rain: (July 1 - June 30) |
7.12 in |
| Average YTD Rain: (from the 1994/1995 season thru the 2008/2009 season as measured at this location) |
5.53 in |
extremes
| Yesterday | |
| High Temp: | 52.2 ° st 2:54pm |
| Low Temp: | 33.4 ° at 11:58pm |
| High Wind: | 16 mph at 1:11pm |
| Monthly | |
| High Temp: | 60.9 ° on 2/3/10 |
| Low Temp: | 30.9 ° on 2/8/10 |
| High Wind: | 26 mph on 2/4/10 |
| Yearly | |
| High Temp: | 69.8 ° on 1/12/10 |
| Low Temp: | 29.5 ° on 1/23/10 |
| High Wind: | 41 mph on 1/18/10 |
additional links
Fire Danger
| CBI = -1 | ||
Chandler Burning Index
The Chandler Burning Index uses the air temperature and relative humidity to create a numerical index of fire danger. That number is then equated to an Adjective Fire Danger.
On the ActonAstro Weather site, the Chandler Index is calculated from the current weather conditions and reflects the current calculated fire danger.
The NWS calculates a 30 day Chandler Burning Index based on forecast weather conditions for the month.
Current conditions
| Updated: 8:50pm on 2/8/10 | ||||||||
| It is Currently 8:52pm in Acton | ||||||||
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| Wind: | Calm |
| Gust: | 0 mph |
| Today's High Wind: | 15 mph ( 2:14pm ) |
| Humidity: | 83 % |
| Pressure: Pressure Rate: |
30.26 in (
Steady ) -0.011 in/hr |
| Dew Point: | 38.5 ° |
| Wind Chill: | 43.3 ° (Low 25.8 ° at 4:05am ) |
| Heat Index (feels like): | 47.9 ° (High 57.0 ° at 2:15pm ) |
| Comfort Level: | Cool |
| Temperature Rate: | -1.98 °/hr |
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Forecast
Click for Detailed Forecast
Tonight Slight Chc Showers | Tuesday Showers | Tuesday Night  Rain/Snow | Wednesday Chance Rain/Snow | Wednesday Night  Partly Cloudy | Thursday Mostly Sunny |
| Lo 39 °F | Hi 51 °F | Lo 34 °F | Hi 48 °F | Lo 33 °F | Hi 59 °F |
UV
9 Feb 2010 UV forecast is: 2.9 Low
10 Feb 2010 UV forecast is: 3.4 Medium
11 Feb 2010 UV forecast is: 4.0 Medium
12 Feb 2010 UV forecast is: 3.6 Medium
13 Feb 2010 UV forecast is: 3.6 Medium
14 Feb 2010 UV forecast is: 3.7 Medium
15 Feb 2010 UV forecast is: 3.8 Medium
16 Feb 2010 UV forecast is: 3.9 Medium
17 Feb 2010 UV forecast is: 4.0 Medium
Seeing
A forecast of seeing conditions at my Observatory, click chart for a detailed
view
Full Advisory Text
Flash Flood Watch
FLOOD WATCH NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 723 PM PST MON FEB 8 2010 ...FLASH FLOODING AND DEBRIS FLOWS POSSIBLE IN AND BELOW RECENT BURN AREAS IN LOS ANGELES AND SANTA BARBARA COUNTIES TUESDAY INTO TUESDAY NIGHT... .A VIGOROUS STORM SYSTEM DROPPING SOUTHWARD ALONG THE WEST COAST IS EXPECTED TO TRACK ACROSS OR JUST WEST OF SOUTHWESTERN CALIFORNIA TUESDAY AFTERNOON AND TUESDAY NIGHT. THIS STORM SYSTEM WILL BRING SHOWERS AND POSSIBLY THUNDERSTORMS TO THE REGION...WITH THE POTENTIAL FOR RAINFALL RATES BETWEEN ONE HALF INCH AND ONE INCH PER HOUR TUESDAY AFTERNOON INTO TUESDAY NIGHT. RAIN AT THESE RATES MAY CAUSE FLASH FLOODING AND DEBRIS FLOWS IN AND BELOW THE RECENT BURN AREAS...PARTICULARLY THE STATION...MORRIS AND SANTA ANITA BURN AREAS IN LOS ANGELES COUNTY AND THE JESUSITA BURN AREA IN SANTA BARBARA COUNTY. CAZ054-088-547-548-091200- /O.NEW.KLOX.FF.A.0003.100209T2000Z-100210T1100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG... SANTA CLARITA...NEWHALL...VALENCIA...WOODLAND HILLS... NORTHRIDGE...BURBANK...UNIVERSAL CITY...PASADENA...SAN GABRIEL... POMONA 723 PM PST MON FEB 8 2010 ...FLASH FLOOD WATCH FOR THE RECENT BURN AREAS IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A * FLASH FLOOD WATCH FOR THE RECENT BURN AREAS IN LOS ANGELES COUNTY. THIS INCLUDED THE STATION...MORRIS AND SANTA ANITA BURN AREAS. * FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT * SHOWERS WILL DEVELOP BY TUESDAY AFTERNOON...THEN CONTINUE THROUGH LATE TUESDAY NIGHT. SOME OF THE SHOWERS WILL BE HEAVY AT TIMES...AND THERE IS A CHANCE OF THUNDERSTORMS. THERE IS THE POTENTIAL FOR RAINFALL RATES BETWEEN ONE HALF INCH AND ONE INCH PER HOUR. THESE RATES ARE IN EXCESS OF THRESHOLDS DETERMINED BY THE USGS TO BE SUFFICIENT TO CAUSE FLASH FLOODING AND DEBRIS FLOWS IN AND BELOW THE RECENT BURN AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && ALL CURRENT ADVISORIES:
Flash Flood Watch
Hazardous Weather Outlook
Special Weather Statement
Winter Storm Watch
