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China Lake Airfield Fieldmill Data (static electricity in volts/meter) DATE and TIME DATA 05/23/13 21:12 102 V/m Current China Lake Conditions on 5/23/2013 at 21:12   PDT    (ASOS Phone #:939-5296) Wind : 160 °     (true) at     12 kts / 14 mph Sky : CLR Vis: 10SM Wx: NA Temp: 019 C / 66 F Dew Point: M07 C / 19.4 F RH : 16 % Altim: 29.77 In of Hg PA: 2430 Ft DA: 3500 Ft SLP : 1006.8 mb Station Pressure: 27.44 In of Hg Precipitation Total: 0.00 WIND HIST. SPEED 12 10 09 10 12 12 10 10 10 11 12 13 12 11 11 12 10 10 10 11 12 13 12 12 12 12 GUST NA NA NA NA NA NA NA NA NA NA NA NA NA 18 18 18 18 18 NA NA NA 18 18 NA NA NA DIR 160 160 150 150 160 170 170 160 150 150 160 170 170 160 160 170 160 160 160 160 160 160 160 150 150 150 TIME 21:12 21:11 21:10 21:09 21:08 21:07 21:06 21:05 21:04 21:03 21:02 21:01 21:00 20:59 20:58 20:57 20:56 20:55 20:54 20:53 20:52 20:51 20:50 20:49 20:48 20:48 ADVISORY/WARNING IN EFFECT: NONE Duty Forecaster      (760) 939-5470 (DSN 437-5470) or 939-5471 (DSN 437-5471)      (FAX) 939-5082 Next Forecast Update   0800,24 May 2013 NAVAIRWD Geophysics Section China Lake CODE 52341MD 1 Administration Circle Mail Stop 1015 China Lake, California 93555 48 HOUR FORECAST / EXTENDED OUTLOOK COMMENCING 2000 THURSDAY, 23 MAY 2013          SKY COVERAGE DEFINITION   FEW=1/8-2/8    SCT=3/8-4/8    BKN=5/8-7/8    OVC=8/8 FORECAST DISCUSSION: The upper level low and associated trough that produced gusts into the low 40s (knots) yesterday afternoon will remain quasi-stationary over south-central Washington through tomorrow, then slowly begin to drift northeastward over the weekend. Strong southwest winds will continue this afternoon and will occasionally gust into advisory levels. High temperature today will be in the low 80s under clear skies, and then warm to the mid to upper 80s through the end of the outlook. TONIGHT: Clear skies. Winds south to southwest at 15 to 20 with gusts to 28 knots gradually decreasing to 10 to 15 knots by mid to late evening. Winds remain southwest and further decrease to 05 to 10 knots after midnight. Overnight low temperature will be near 50°F. TOMORROW: Mostly clear skies with increasing high clouds overnight (SCT250-260). Winds southwest at 04 to 08 knots gradually increasing to 12 to 16 knots with gusts near 25 knots from mid afternoon through sunset. Winds remain southwest and gradually decrease to 05 to 10 knots by late evening. Afternoon high temperatures will be in the mid 80s with overnight lows in the mid 50s. OUTLOOK: Mostly clear skies Saturday through Monday. Moderate and gusty southwesterly winds will remain through the outlook with breezy conditions continuing through the nights. Afternoon high temperatures will range from the mid to upper 80s with overnight lows in the upper 50s through the outlook. HELICOPTER INFO: MAX TEMP ° C MAXPA MAXDA MIN ALTIM M M M M Climatological and Astronomical Data for 5/23/2013 Temperature (° F)   Maximum Minimum Since Midnight 85 45 Yesterday 88 63 Last year for this date 103 64 Normal for this date 88.4 58.1 Record for this date 106 in 2000 41 in 1948 Peak Wind   Direction Speed (knots) / (mph) Time ( PDT ) Since Midnight South-Southwest 39.1 / 45 14:09 Yesterday Southwest 41.7 / 48 16:03 Precipitation (Inches) Since Midnight 0.00 Yesterday NONE Month to date TRACE Normal this Month 0.12 Year to date 0.51 Annual Norm 4.52 Last Month Total TRACE Astronomical Data Begin Nautical Twilight today 0511 Begin Civil Twilight today 0511 Sunrise today 0540 Sunset tonight 1955 End Civil Twilight tonight 2100 End Nautical Twilight tonight 2024 Sunrise tomorrow 0539 Sunset tomorrow 1956 Moonrise 23 / 1834 24 / 1943 Moonset 23 / 0424 24 / 0513 % Illumination 95 99 Moonphase Waxing Gibbous CHINA LAKE TERMINAL AERODROME FORECAST (TAF) Via ADDS CURRENT METAR: KNID 240356Z 16010G18KT 10SM CLR 20/M06 A2976 RMK AO2 SLP065 T02001061 $= KNID 2323/2423 21024G35KT 9999 VCBLDU SKC 530009 520903 QNH2966INS TEMPO 2400/2403 22015G25KT BECMG 2402/2403 23010G18KT 9999 NSW 510009 QNH2969INS TEMPO 2403/2406 23018G28KT BECMG 2406/2408 20010KT QNH2985INS WND VRB06KT AFT 2413 BECMG 2421/2423 20010G18KT QNH2982INS T10/2413Z T30/2423Z LAST NO AMDS AFT 2405 NEXT 2815 How to read the TAF If you need sunrise/sunset or moonrise/moonset or lunar light levels call the weather office

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