NBM Guidance for STAR (SRFO3)
42.1494N 123.0622W
Elevation 1650 ft
HOURLY TO 24 HOURS:
SRFO3 NBM V5.0 NBH GUIDANCE 8/28/2026 1700 UTC
UTC 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 Time (UTC)
PDT 11 12 13 14 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 Time (PDT)
TMP 72 77 81 84 86 86 86 84 81 77 73 68 64 59 56 54 52 50 48 46 45 48 56 61 66 Temperature(F)
TSD 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 SD of temp(F)
DPT 50 50 49 49 48 48 48 48 48 48 49 49 49 48 48 47 46 46 46 46 45 47 48 47 47 Dew point temp(F)
DSD 2 3 3 3 3 3 3 4 3 4 3 3 3 3 2 2 2 2 2 2 2 2 2 2 3 Dew point temp SD(F)
WBG 66 71 73 74 75 73 72 71 69 65 63 61 57 54 53 51 50 47 46 45 45 48 54 57 61 Wet bulb temp(F)
SKY 2 1 1 2 1 1 7 13 22 20 18 12 17 18 18 20 20 33 27 30 33 36 19 13 8 Sky cover(%)
SSD 2 2 2 10 9 7 14 15 21 27 31 15 34 31 36 31 39 39 39 40 38 37 32 27 23 Sky cover SD(%)
WDR 1 36 34 33 33 33 33 32 32 33 33 32 32 36 4 6 4 6 6 3 2 3 2 2 2 Wind dir (deg)
WSP 4 5 6 6 7 7 8 7 5 4 4 4 4 4 3 2 2 2 1 1 1 2 2 4 5 Wind spd (kts)
WSD 1 1 1 1 1 1 1 1 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 Wind spd SD(kts)
GST 5 7 9 11 12 13 13 13 12 10 9 8 9 7 5 4 4 3 3 2 2 3 3 5 7 Wind gust(kts)
GSD 1 1 1 2 2 2 2 2 2 3 4 4 4 3 3 3 2 1 1 1 1 1 1 1 1 Wind gust SD(kts)
P01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr PoP(%)
P06 0 0 0 0 6-hr PoP(%)
Q01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr QPF (.01")
T01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr tstm prob(%)
PZR 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob ZR(%)
PSN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob Snow(%)
PPL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob Sleet/IP(%)
PRA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15 0 0 0 0 Cond prob of rain(%)
S01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr snow(1/10in)
SLV 90 90 92 94 96 99100 99 96 93 90 88 87 86 86 85 84 84 84 82 81 80 81 83 83 Snow level 100s feet MSL
I01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr ice(1/100in)
CIG -88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
MVC 8 4 2 2 2 2 2 2 2 3 4 4 5 6 6 6 9 10 13 12 11 11 9 6 4 Prob cig<=3000ft(%) MVFR
IFC 8 4 2 1 2 2 1 2 2 2 4 4 4 5 6 5 8 9 11 11 10 10 9 6 4 Prob cig<1000ft(%) IFR
LIC 8 4 2 1 1 1 1 1 1 1 1 2 2 3 4 4 6 7 10 10 9 8 7 5 3 Prob cig<500ft(%) LIFR
LCB 260-88-88-88-88 50210 60 60 50 44 27 37 34 33 29 26 24 25 25 22 22 29 15 24 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 7 4 3 3 1 1 1 1 2 1 2 1 0 1 2 4 8 10 9 9 11 9 8 7 5 Prob vsby<=5mi(%) MVFR
IFV 4 3 2 2 1 0 0 0 1 1 1 0 0 1 2 3 5 6 6 6 8 8 7 5 3 Prob vsby<3mi(%) IFR
LIV 1 1 2 1 1 0 0 0 0 0 0 0 0 0 1 1 4 4 4 5 6 7 4 3 1 Prob vsby<1mi(%) LIFR
MHT 26 35 43 49 56 61 62 50 34 15 13 8 5 4 4 3 3 3 4 4 6 10 14 22 28 MixHgt 100s feet AGL
TWD 34 30 28 28 28 28 29 31 32 33 33 33 33 33 34 34 33 34 36 1 1 2 2 36 36 Transport wind dir
TWS 5 6 8 9 10 10 11 10 10 10 8 6 5 4 4 3 3 3 3 3 3 3 4 5 5 Transport wind spd(kts)
SOL 67 84 88 86 80 69 54 30 12 3 2 2 1 0 0 0 0 0 0 0 0 12 25 47 63 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
SRFO3 NBM V5.0 NBS GUIDANCE 8/28/2026 1700 UTC
DT /AUG 29 /AUG 30 /AUG 31
UTC 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 Time (UTC)
PDT 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 Time (PDT)
FHR 04 07 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 Forecast Hour
TXN 45 82 41 88 49 Max/Min Temp(F)
XND 3 2 3 3 3 SD of max/min temps(F)
TMP 84 86 77 64 54 48 48 66 78 81 74 60 50 44 46 70 84 87 77 64 56 51 53 Temperature(F)
TSD 2 2 2 2 2 2 1 2 2 2 2 2 1 1 2 2 2 2 2 2 2 2 2 SD of temp(F)
DPT 49 48 48 49 47 46 47 47 44 43 39 42 42 41 41 42 41 39 37 37 36 35 36 Dew point temp(F)
DSD 3 3 4 3 2 2 2 3 3 2 3 3 3 2 2 3 4 4 2 3 3 3 3 Dew point temp SD(F)
WBG 74 72 65 57 51 46 48 61 70 69 61 53 47 43 45 62 72 71 62 54 50 46 48 Wet bulb temp(F)
SKY 2 7 20 17 20 27 36 8 1 2 2 2 16 7 5 3 2 1 3 0 2 4 6 Sky cover(%)
SSD 10 14 27 34 31 39 37 23 1 2 1 5 30 8 5 11 2 2 4 1 3 5 5 Sky cover SD(%)
WDR 33 33 33 32 6 6 3 2 34 33 35 30 9 16 18 1 35 34 34 32 17 17 17 Wind dir (deg)
WSP 6 8 4 4 2 1 2 5 7 8 5 3 2 1 2 3 5 6 2 1 1 1 3 Wind spd (kts)
WSD 1 1 2 2 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 2 2 1 Wind spd SD(kts)
GST 11 13 10 9 4 3 3 7 11 13 11 7 3 2 3 5 8 11 6 2 2 3 3 Wind gust(kts)
GSD 2 2 3 4 3 1 1 1 2 2 3 3 1 1 1 1 1 2 1 3 2 2 2 Wind gust SD(kts)
P06 0 0 0 0 0 0 0 0 0 0 0 6-hr PoP(%)
P12 0 0 1 0 0 12-hr PoP(%)
Q06 0 0 0 0 0 0 0 0 0 0 0 6-hr QPF(.01in)
Q12 0 0 0 0 0 12-hr QPF(.01in)
DUR 0 0 0 0 0 Duration of precip(hrs)
T03 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 0 1 0 0 0 0 0 0 0 0 0 6-hr Tstm prob(%)
T12 1 0 0 0 0 12-hr Tstm prob(%)
PZR 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob ZR(%)
PSN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob Snow(%)
PPL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob Sleet/IP(%)
PRA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Cond prob of rain(%)
S06 0 0 0 0 0 0 0 0 0 0 0 6-hr snow(1/10in)
SLV 94100 93 87 85 84 80 83 82 82 79 73 72 72 74 79 84 91 99110110100100 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG -88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
IFC 1 1 2 4 5 11 10 4 3 1 2 3 4 8 11 3 2 2 3 4 6 6 7 Prob cig<1000ft(%) IFR
LCB -88210 50 37 29 25 22 24120180260130 80 70 60180170160160230210170220 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100 80 Visibility*
IFV 2 0 1 0 3 6 8 3 0 0 0-99-99-99-99-99-99-99-99-99-99-99-99 Prob vsby<3mi(%) IFR
MHT 49 62 15 5 3 4 10 28 49 51 12 4 2 2 7 23 39 47 5 2 1 2 3 MixHgt 100s feet AGL
TWD 28 29 33 33 34 36 2 36 33 34 36 36 4 6 7 4 35 33 34 5 15 16 17 Transport wind dir
TWS 9 11 10 5 3 3 3 5 7 10 10 5 3 3 3 4 5 7 9 4 3 2 3 Transport wind spd(kts)
SOL 86 54 3 1 0 0 12 63 87 57 5 3 0 0 12 51 87 64 21 11 0 0 4 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
SRFO3 NBM V5.0 NBE GUIDANCE 8/28/2026 1700 UTC
SAT 29 |SUN 30 |MON 31 |TUE 01 |WED 02 |THU 03 |FRI 04 |SAT 05 CLIMO
UTC 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12 Time (UTC)
PDT 05 17 05 17 05 17 05 17 05 17 05 17 05 17 05 Time (PDT)
FHR 19| 31 43| 55 67| 79 91|103 115|127 139|151 163|175 187 Forecast Hour
TXN 45| 82 41| 88 49| 92 50| 84 46| 77 45| 76 42| 80 43 48 85 Max/Min Temp(F)
XND 3| 2 3| 3 3| 2 3| 5 3| 6 3| 7 5| 7 4 SD of max/min temps(F)
TMP 48| 81 44| 87 51| 89 50| 80 49| 74 49| 75 46| 79 46 Temperature(F)
TSD 2| 2 1| 2 2| 3 2| 6 2| 7 3| 7 4| 7 4 SD of temp(F)
DPT 46| 43 41| 39 35| 45 44| 50 45| 48 46| 47 42| 44 40 Dew point temp(F)
DSD 2| 2 2| 4 3| 3 3| 5 3| 6 4| 7 4| 6 5 Dew point temp SD(F)
WBG 46| 69 43| 71 46| 73 48| 69 47| 65 48| 65 44| 67 44 Wet bulb temp(F)
SKY 27| 2 7| 1 4| 20 24| 33 55| 60 65| 33 36| 13 15 Sky cover(%)
SSD 39| 2 8| 2 5| 20 15| 18 25| 23 21| 18 23| 25 12 Sky cover SD(%)
WDR 6| 33 16| 34 17| 32 20| 29 19| 26 19| 32 21| 34 17 Wind dir (deg)
WSP 1| 8 1| 6 1| 8 1| 7 2| 6 3| 7 2| 7 2 Wind spd (kts)
WSD 1| 1 1| 1 2| 1 1| 2 2| 3 2| 3 1| 2 1 Wind spd SD(kts)
GST 3| 13 2| 11 3| 13 2| 13 3| 12 6| 13 3| 11 2 Wind gust(kts)
GSD 1| 2 1| 2 2| 2 1| 3 3| 5 3| 4 2| 3 2 Wind gust SD(kts)
P12 0| 0 1| 0 0| 0 1| 29 28| 24 54| 52 34| 18 14 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 1| 1 13| 15 3| 0 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 1| 14| 18| 0 12 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 1 3| 4 1| 0 0 Duration of precip(hrs)
T12 1| 0 0| 0 0| 2 2| 13 10| 4 7| 10 7| 11 10 12-hr Tstm prob(%)
PZR 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Cond prob ZR(%)
PSN 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Cond prob Snow(%)
PPL 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Cond prob Sleet/IP(%)
PRA 0| 0 0| 0 0| 1 2| 33 12| 36 51| 30 9| 11 6 Cond prob of rain(%)
S12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 12-hr snow(1/10in)
S24 | 0| 0| 0| 0| 0| 0| 0 24-hr snow(1/10in)
SLV 84| 82 72| 91 102|108 97| 96 83| 91 85| 82 74| 85 84 Snow level 100s feet MSL
I12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 4| 51 1| 54 8| 48 7| 46 7| 31 2| 43 7| 28 4 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
SRFO3 NBM V5.0 NBX GUIDANCE 8/28/2026 1700 UTC
SUN 06| MON 07| TUE 08
UTC 00 12 |00 12 |00 12 Time (UTC)
PDT 17 05 |17 05 |17 05 Time (PDT)
FHR 199 211|223 235|247 259 Forecast Hour
TXN 85 47| 88 50| 91 51 Max/Min Temp(F)
XND 8 5| 8 5| 7 5 SD of max/min temps(F)
TMP 84 49| 88 51| 90 53 Temperature(F)
TSD 9 5| 8 5| 8 5 SD of temp(F)
DPT 42 39| 42 41| 43 42 Dew point temp(F)
DSD 8 6| 7 5| 6 5 Dew point temp SD(F)
WBG 70 45| 72 47| 73 49 Wet bulb temp(F)
SKY 12 10| 9 15| 17 23 Sky cover(%)
SSD 15 7| 10 7| 32 11 Sky cover SD(%)
WDR 34 16| 34 10| 33 12 Wind dir (deg)
WSP 6 1| 5 1| 6 1 Wind spd (kts)
WSD 2 1| 2 1| 2 1 Wind spd SD(kts)
GST 10 2| 9 2| 9 2 Wind gust(kts)
GSD 3 2| 3 2| 3 2 Wind gust SD(kts)
P12 9 5| 3 2| 4 3 12-hr PoP(%)
Q12 0 0| 0 0| 0 0 12-hr QPF(.01in)
Q24 0| 0| 0 24-hr QPF(.01in)
DUR 0 0| 0 0| 0 0 Duration of precip(hrs)
PZR 0 0| 0 0| 0 0 Cond prob ZR(%)
PSN 0 0| 0 0| 0 0 Cond prob Snow(%)
PPL 0 0| 0 0| 0 0 Cond prob Sleet/IP(%)
PRA 7 0| 2 0| 4 3 Cond prob of rain(%)
S12 0 0| 0 0| 0 0 12-hr snow(1/10in)
S24 0| 0| 0 24-hr snow(1/10in)
SLV 92 88| 95 94|103 101 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 16 15| 32 19| 34 18 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
SRFO3 NBM V5.0 NBP GUIDANCE 8/28/2026 1300 UTC
SAT 29| SUN 30| MON 31| TUE 01| WED 02| THU 03| FRI 04| SAT 05| SUN 06|
UTC 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 12| 00 Time (UTC)
PDT 05| 17 05| 17 05| 17 05| 17 05| 17 05| 17 05| 17 05| 17 05| 17 Time (PDT)
FHR 23| 35 47| 59 71| 83 95|107 119|131 143|155 167|179 191|203 215|227 Forecast Hour
TXNMN 47| 82 43| 88 49| 92 50| 84 46| 77 45| 76 42| 80 43| 84 47| 84 Mean min/max temp(F)
TXNSD 3| 2 3| 3 3| 2 3| 5 3| 6 3| 7 5| 7 4| 8 5| 8 SD min/max temp(F)
TXNP1 43| 79 40| 85 46| 89 46| 76 43| 69 42| 67 37| 72 38| 73 40| 73 10th percentile min/max temp(F)
TXNP2 45| 81 41| 87 46| 91 48| 81 45| 72 44| 72 39| 74 40| 76 42| 76 25th percentile min/max temp(F)
TXNP5 46| 82 42| 89 48| 92 50| 85 46| 77 46| 76 42| 78 43| 86 47| 86 50th percentile min/max temp(F)
TXNP7 49| 84 44| 90 52| 93 52| 87 48| 81 47| 79 45| 85 46| 91 51| 91 75th percentile min/max temp(F)
TXNP9 50| 85 47| 91 53| 94 53| 89 49| 85 48| 84 48| 88 50| 96 54| 96 90th percentile min/max temp(F)
WSPP1 0| 6 1| 5 0| 6 0| 4 1| 3 1| 3 1| 3 1| 1 0| 4 10th percentile wnd(kts)
WSPP2 1| 7 1| 6 0| 7 1| 6 2| 5 2| 5 1| 5 1| 4 1| 4 25th percentile wnd(kts)
WSPP5 2| 8 1| 6 2| 8 1| 7 2| 6 3| 6 2| 6 2| 5 1| 5 50th percentile wnd(kts)
WSPP7 2| 8 2| 7 3| 9 2| 8 3| 8 5| 8 3| 7 3| 7 3| 6 75th percentile wnd(kts)
WSPP9 3| 9 2| 7 3| 10 3| 9 5| 9 6| 9 4| 8 3| 8 4| 7 90th percentile wnd(kts)
W24P1 | 8 | 8 | 7 | 8 | 7 | 6 | 6 | 6 | 5 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 8 | 9 | 7 | 9 | 8 | 7 | 7 | 7 | 6 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 9 | 9 | 8 | 10 | 9 | 8 | 8 | 8 | 7 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 10 | 10 | 8 | 10 | 10 | 10 | 10 | 9 | 9 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 11 | 11 | 9 | 11 | 11 | 12 | 11 | 10 | 10 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 14 | 15 | 12 | 14 | 13 | 11 | 12 | 11 | 10 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 16 | 16 | 13 | 16 | 15 | 13 | 15 | 13 | 12 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 17 | 17 | 14 | 17 | 17 | 16 | 17 | 15 | 14 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 19 | 18 | 16 | 19 | 18 | 20 | 19 | 17 | 16 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 20 | 20 | 17 | 21 | 19 | 24 | 23 | 20 | 18 90th percentile 24hr wnd gust exceedance(kts)
Q24P1 | 0| 0| 0| 0| 0| 0| 0| 0| 10th percentile 24hr QPF(1/100in)
Q24P2 | 0| 0| 0| 0| 0| 0| 0| 0| 25th percentile 24hr QPF(1/100in)
Q24P5 | 0| 0| 0| 0| 4| 2| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 5| 23| 32| 0| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 0| 22| 63| 70| 23| 0| 90th percentile 24hr QPF(1/100in)
S24P1 | 0| 0| 0| 0| 0| 0| 0| 0| 10th percentile 24hr snow accum(1/10in)
S24P2 | 0| 0| 0| 0| 0| 0| 0| 0| 25th percentile 24hr snow accum(1/10in)
S24P5 | 0| 0| 0| 0| 0| 0| 0| 0| 50th percentile 24hr snow accum(1/10in)
S24P7 | 0| 0| 0| 0| 0| 0| 0| 0| 75th percentile 24hr snow accum(1/10in)
S24P9 | 0| 0| 0| 0| 0| 0| 0| 0| 90th percentile 24hr snow accum(1/10in)
I24P1 | 0| 0| 0| 0| 0| 0| 0| 0| 10th percentile 24hr ice accum(1/100in)
I24P2 | 0| 0| 0| 0| 0| 0| 0| 0| 25th percentile 24hr ice accum(1/100in)
I24P5 | 0| 0| 0| 0| 0| 0| 0| 0| 50th percentile 24hr ice accum(1/100in)
I24P7 | 0| 0| 0| 0| 0| 0| 0| 0| 75th percentile 24hr ice accum(1/100in)
I24P9 | 0| 0| 0| 0| 0| 0| 0| 0| 90th percentile 24hr ice accum(1/100in)
SLPP1 017|011 017|009 012|006 012|009 014|010 012|010 013|009 012|007 012|008 10th percentile MSLP(mb)
SLPP2 018|012 017|010 012|007 014|010 016|011 014|012 016|012 015|011 014|010 25th percentile MSLP(mb)
SLPP5 018|013 018|011 013|008 015|011 016|013 016|013 017|013 017|013 017|012 50th percentile MSLP(mb)
SLPP7 019|014 019|012 014|009 015|012 018|014 018|014 020|015 019|015 018|014 75th percentile MSLP(mb)
SLPP9 019|015 020|013 015|010 016|013 019|016 020|016 022|017 020|016 020|015 90th percentile MSLP(mb)