Meteorology 415 Fall 2011

1. Meteorology 415Fall 2011 Review of Forecast 4 Contest 2 San Francisco, CA

2. San Francisco, CA

3. San Francisco, CA FAA Identifier: SFO Lat/Long: 37-37-08.3000N / 122-22-29.6000W37-37.138333N / 122-22.493333W37.6189722 / -122.3748889(estimated) Elevation: 13 ft. / 4.0 m (surveyed) Variation: 17E (1975) From city: 8 miles SE of SAN FRANCISCO, CA

4. Observations from San Francisco KSFO 041756Z 23010KT 10SM FEW016 BKN048 17/10 A2994 RMK AO2 SLP137 T01720100 10172 20139 51004= KSFO 041856Z 21008G16KT 10SM SCT024 BKN160 18/11 A2994 RMK AO2 SLP139 T01780106= KSFO 041956Z 21008KT 190V250 10SM BKN029 BKN160 18/10 A2994 RMK AO2 SLP138 T01780100= KSFO 042056Z 21012G17KT 10SM BKN029 BKN160 19/10 A2992 RMK AO2 SLP132 T01890100 58005= KSFO 042140Z 20011KT 10SM SCT029 BKN035 BKN150 18/09 A2991 RMK AO2= KSFO 042156Z 20012KT 10SM SCT031 BKN035 BKN150 18/09 A2991 RMK AO2 SLP128 T01830094= KSFO 042256Z 19012KT 10SM FEW028 BKN110 OVC150 17/10 A2989 RMK AO2 SLP122 T01720100= KSFO 042356Z 19010KT 10SM FEW027 BKN100 OVC150 17/10 A2988 RMK AO2 SLP119 T01670100 10189 20167 56013= KSFO 050056Z 19006KT 10SM FEW027 BKN095 OVC150 17/11 A2987 RMK AO2 SLP113 T01670106= KSFO 050156Z 19008KT 10SM FEW027 BKN080 OVC095 16/11 A2986 RMK AO2 SLP111 T01610111= KSFO 050256Z 18011KT 10SM FEW027 BKN075 OVC090 16/11 A2984 RMK AO2 RAB18E48 SLP105 P0000 60000 T01610106 56014=

5. Observations from San Francisco • KSFO 050256Z 18011KT 10SM FEW027 BKN075 OVC090 16/11 A2984 RMK AO2 RAB18E48 SLP105 P0000 60000 T01610106 56014= • KSFO 050356Z 16009KT 10SM SCT027 OVC080 16/10 A2981 RMK AO2 RAB42E56 SLP094 P0000 T01610100= • KSFO 050456Z 14012KT 10SM -RA BKN025 BKN065 OVC080 16/11 A2978 RMK AO2 RAB23 SLP085 P0000 T01560111= • KSFO 050556Z 13010KT 6SM RA SCT018 BKN025 OVC040 14/12 A2975 RMK AO2 SLP075 P0003 60003 T01440117 10167 20144 56030= • KSFO 050656Z 13010KT 6SM RA BR FEW012 BKN018 OVC029 14/12 A2970 RMK AO2 SLP056 P0008 T01390122 $= • KSFO 050723Z 14012KT 6SM RA BR FEW010 BKN021 OVC027 14/12 A2968 RMK AO2 P0005 $= • KSFO 050756Z 15012KT 4SM +RA BR FEW010 BKN021 OVC031 14/12 A2965 RMK AO2 SLP040 P0014 T01390122 401890139 $= • KSFO 050856Z 16014G23KT 2SM +RA BR FEW010 BKN021 OVC031 14/13 A2962 RMK AO2 SLP029 P0022 60044 T01440128 56045 $= • KSFO 050919Z 20026G35KT 3SM RA BR FEW019 BKN031 OVC040 16/13 A2965 RMK AO2 PK WND 20035/0911 CIG 026 RWY L10 PRESRR • P0011 $= • KSFO 050956Z 27016KT 10SM -RA FEW009 BKN032 OVC090 14/13 A2966 RMK AO2 PK WND 20035/0911 WSHFT 0939 SLP045 P0016 • T01440128 $= • KSFO 051056Z 27010KT 10SM FEW009 SCT014 BKN022 14/12 A2968 RMK AO2 RAE08 SLP049 P0000 T01440122 $= • KSFO 051156Z 26014G19KT 10SM FEW009 SCT014 BKN022 14/12 A2969 RMK AO2 SLP053 60060 70063 T01440117 10156 20139 51024 $= • KSFO 051156Z COR 26014G19KT 10SM FEW009 SCT014 BKN029 14/12 A2969 RMK AO2 SLP053 60060 70063 T01440117 10156 20139 51024 • $= • KSFO 051156Z 26014G19KT 10SM FEW009 SCT014 BKN022 14/12 A2969=

6. Synoptic Pattern

7. Radar

8. Surface Analysis

9. Verification

10. Standings

11. Up close and Personal

12. Lessons Learned - SFO • Much of the action with western fronts is confined to the immediate frontal zone (at lower elevations). This is not the case at higher elevations where prolonged periods of precipitation precede and follow fronts. • Temperatures do not vary much at night when it is breezy, cloudy and showers occur!

13. Sante Fe, New Mexico

14. Sante Fe, NM FAA Identifier: SAF Lat/Long: 35-37-01.5910N / 106-05-21.9220W35-37.026517N / 106-05.365367W35.6171086 / -106.0894228(estimated) Elevation: 6348 ft. / 1934.9 m (surveyed) Variation: 12E (1980) From city: 9 miles SW of SANTA FE, NM

15. Observations from Sante Fe KSAF 041753Z VRB04KT 10SM FEW075 SCT090 18/05 A3021 RMK AO2 SLP150 T01830050 10183 20133 58012= KSAF 041853Z 17009KT 10SM BKN055 OVC080 19/04 A3017 RMK AO2 SLP136 T01890044= KSAF 041953Z 22016G24KT 10SM -RA BKN055 OVC085 15/08 A3017 RMK AO2 PK WND 18028/1926 RAB05 SLP149 P0000 T01500083= KSAF 042014Z 24017G22KT 3SM +RA BR FEW009 BKN047 OVC055 12/11 A3017 RMK AO2 P0004= KSAF 042020Z 24016G22KT 1 3/4SM RA BR FEW007 BKN035 OVC050 12/11 A3018 RMK AO2 P0008= KSAF 042029Z 24012G20KT 2SM RA BR SCT005 BKN026 OVC043 12/11 A3018 RMK AO2 P0011= KSAF 042033Z 23009KT 4SM -RA BR SCT005 BKN032 OVC043 12/12 A3018 RMK AO2 P0011= KSAF 042053Z 24008KT 10SM -RA FEW007 SCT032 OVC055 12/11 A3017 RMK AO2 SLP149 P0011 60011 T01220111 56013= KSAF 042153Z 00000KT 10SM OVC043 13/11 A3014 RMK AO2 RAE05 SLP138 P0000 T01280106= KSAF 042224Z 11004KT 2 1/2SM -RA BR FEW013 BKN039 OVC049 12/11 A3014 RMK AO2 RAB03 P0006= KSAF 042232Z 18006KT 4SM -RA BR SCT014 BKN037 OVC049 12/12 A3014 RMK AO2 LTG DSNT S RAB03 P0008= KSAF 042239Z 16005KT 4SM -RA BR FEW005 BKN032 OVC039 12/12 A3014 RMK AO2 LTG DSNT S RAB03 P0009= KSAF 042253Z 15003KT 6SM -RA BR FEW005 SCT023 OVC035 12/11 A3015 RMK AO2 LTG DSNT S RAB03 SLP145 P0010 T01220111= KSAF 042338Z 20018G36KT 1 3/4SM -RA BR FEW007 BKN035 OVC060 11/11 A3017 RMK AO2 PK WND 18036/2335 PRESRR P0018= KSAF 042349Z 21016G22KT 3SM RA BR FEW009 BKN032 OVC039 10/09 A3018 RMK AO2 PK WND 18036/2335 WSHFT 2335 P0026= KSAF 042353Z 20014G22KT 7SM -RA FEW009 SCT015 OVC040 10/09 A3018 RMK AO2 PK WND 18036/2335 WSHFT 2335 SLP156 P0026 60047 T01000094 10189 20100 53004=

16. Observations from Sante Fe • KSAF 042353Z 20014G22KT 7SM -RA FEW009 SCT015 OVC040 10/09 A3018 RMK AO2 PK WND 18036/2335 WSHFT 2335 SLP156 P0026 60047 • T01000094 10189 20100 53004= • KSAF 050028Z 17007KT 8SM -RA BKN007 OVC035 10/09 A3018 RMK AO2 P0007= • KSAF 050046Z 10008KT 10SM -RA SCT007 OVC060 10/09 A3017 RMK AO2 P0009= • KSAF 050053Z 10007KT 10SM -RA FEW007 OVC065 10/09 A3016 RMK AO2 SLP151 P0009 T01000089= • KSAF 050153Z AUTO 03004KT 10SM BKN100 OVC120 11/09 A3015 RMK AO2 RAE20 SLP146 P0001 T01060089= • KSAF 050253Z AUTO 15006KT 10SM OVC090 10/09 A3016 RMK AO2 SLP147 60010 T01000094 55005= • KSAF 050353Z AUTO 14009KT 10SM -RA OVC065 10/09 A3017 RMK AO2 RAB21 SLP146 P0000 T01000089= • KSAF 050453Z AUTO 24005KT 10SM -RA OVC070 10/09 A3016 RMK AO2 RAE15B52 SLP143 P0000 T01000089= • KSAF 050533Z AUTO 18004KT 9SM -RA SCT014 BKN024 OVC060 10/09 A3017 RMK AO2 RAE04B31 P0001= • KSAF 050544Z AUTO 09008KT 7SM -RA FEW014 BKN041 OVC070 10/09 A3014 RMK AO2 RAE04B31 PRESFR P0002= • KSAF 050553Z AUTO 09005KT 10SM -RA FEW024 BKN060 OVC070 10/09 A3014 RMK AO2 RAE04B31 SLP133 P0002 60012 T01000094 10106 • 20100 58005= • KSAF 050653Z AUTO 27005KT 10SM BKN070 OVC090 10/09 A3012 RMK AO2 RAE41 SLP126 P0001 T01000094 401890100= • KSAF 050738Z AUTO 18006KT 10SM FEW009 BKN060 OVC100 11/09 A3012 RMK AO2= • KSAF 050753Z AUTO 22010KT 9SM -RA FEW020 OVC055 11/09 A3015 RMK AO2 RAB42 SLP142 P0001 T01060094= • KSAF 050817Z AUTO 17006KT 5SM RA BR FEW008 BKN034 OVC044 10/09 A3014 RMK AO2 P0007= • KSAF 050853Z AUTO 00000KT 10SM FEW041 OVC055 10/09 A3012 RMK AO2 RAE52 SLP143 P0010 60012 T01000094 58005= • KSAF 050900Z AUTO 00000KT 10SM FEW005 OVC055 10/09 A3012 RMK AO2= • KSAF 050953Z AUTO 08004KT 10SM -RA FEW041 BKN050 OVC065 09/09 A3009 RMK AO2 RAB04 SLP132 P0007 T00940089= • KSAF 051025Z AUTO 05004KT 10SM VCTS -RA BKN055 OVC090 10/09 A3009 RMK AO2 TSB19 P0003= • KSAF 051040Z AUTO 05004KT 10SM FEW060 BKN095 OVC120 09/08 A3009 RMK AO2 TSB19E34RAE30 P0003= • KSAF 051053Z AUTO 00000KT 10SM FEW100 BKN120 09/08 A3010 RMK AO2 TSB19E34RAE30 SLP134 P0003 T00940083= • KSAF 051153Z AUTO 18007KT 4SM RA BR FEW002 SCT030 OVC046 09/09 A3012 RMK AO2 RAB31 SLP145 P0006 60028 70087 T00940089 • 10106 20094 55002=

17. Synoptic Pattern

18. Radar

19. Surface Analysis

20. Verification

21. Standings

22. Up close and Personal

23. Lessons Learned – Sante Fe • Upslope, convergent flow leads to deep cloud cover and frequent showers in the southern Rockies. • Evaporative cooling can drop readings at higher elevations to lower values than guidance indicates – especially during the daytime.