NBM Guidance for MT. YONCALLA (YNFO3)
43.6383N 123.3269W
Elevation 1791 ft
HOURLY TO 24 HOURS:
YNFO3 NBM V5.0 NBH GUIDANCE 8/29/2026 1500 UTC
UTC 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 Time (UTC)
PDT 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 Time (PDT)
TMP 53 57 61 63 67 69 72 74 74 72 68 62 58 55 54 53 52 52 51 50 49 48 48 49 51 Temperature(F)
TSD 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 SD of temp(F)
DPT 50 50 51 50 49 49 46 46 44 43 46 46 46 46 46 45 46 45 45 45 45 46 46 47 48 Dew point temp(F)
DSD 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 2 Dew point temp SD(F)
WBG 52 55 60 62 64 66 65 65 64 63 60 56 54 51 51 50 50 48 48 48 48 47 47 48 51 Wet bulb temp(F)
SKY 35 30 29 18 20 10 6 2 4 6 5 6 2 1 1 1 2 1 5 14 15 17 36 27 49 Sky cover(%)
SSD 27 28 26 16 16 19 18 16 12 22 15 10 3 1 1 1 3 2 21 29 24 26 28 26 29 Sky cover SD(%)
WDR 36 34 34 33 33 33 32 33 33 33 33 33 33 33 33 34 34 34 35 36 36 35 36 2 1 Wind dir (deg)
WSP 1 1 1 1 2 2 2 2 2 2 3 3 3 2 2 2 3 3 3 3 3 3 3 3 3 Wind spd (kts)
WSD 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Wind spd SD(kts)
GST 3 4 5 6 6 7 7 7 8 8 9 9 9 8 7 7 8 8 8 8 8 7 7 7 7 Wind gust(kts)
GSD 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Wind gust SD(kts)
P01 0 1 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 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 5 5 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(%)
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 69 69 69 67 67 68 69 69 71 71 70 69 68 68 67 67 66 65 65 65 64 64 64 64 64 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 35 35 45-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
MVC 28 23 14 7 3 1 1 0 0 0 1 2 2 2 3 4 5 7 9 12 18 22 25 27 26 Prob cig<=3000ft(%) MVFR
IFC 7 2 0 0 0 0 0 0 0 0 1 2 2 2 2 2 3 4 4 5 8 10 10 11 9 Prob cig<1000ft(%) IFR
LIC 6 2 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 3 3 5 8 9 9 8 6 Prob cig<500ft(%) LIFR
LCB 35 35 37100 90 60 70 39 41 49 60 70160250260230250240 90 80 70 80 70 70 90 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 7 4 2 1 1 1 1 1 1 1 0 0 0 0 0 0 2 3 6 9 10 11 12 8 5 Prob vsby<=5mi(%) MVFR
IFV 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 4 5 7 8 8 5 3 Prob vsby<3mi(%) IFR
LIV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 4 5 5 6 4 2 Prob vsby<1mi(%) LIFR
MHT 15 26 37 45 55 57 60 61 60 56 38 12 8 6 5 5 5 5 4 4 4 5 5 8 12 MixHgt 100s feet AGL
TWD 36 35 34 35 34 34 34 34 35 35 35 35 35 35 36 1 1 1 2 2 2 2 2 3 3 Transport wind dir
TWS 3 4 5 6 6 7 8 8 9 10 12 11 10 8 7 7 7 7 6 5 5 5 6 6 7 Transport wind spd(kts)
SOL 32 40 40 63 76 81 78 67 52 30 14 4 3 2 2 0 0 0 0 0 0 0 1 14 26 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
YNFO3 NBM V5.0 NBS GUIDANCE 8/29/2026 1500 UTC
DT /AUG 30 /AUG 31 /SEP 1
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 06 09 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69 72 Forecast Hour
TXN 48 78 50 82 53 Max/Min Temp(F)
XND 3 2 3 3 2 SD of max/min temps(F)
TMP 69 74 62 54 52 49 49 61 72 77 66 57 54 51 51 65 76 79 64 57 56 56 54 Temperature(F)
TSD 2 2 2 2 2 2 2 1 2 2 2 3 2 1 2 2 2 4 2 2 2 2 2 SD of temp(F)
DPT 49 44 46 46 45 45 47 49 44 40 41 43 45 46 47 51 50 50 52 52 52 52 52 Dew point temp(F)
DSD 2 2 2 2 1 1 1 2 2 3 4 3 2 2 2 2 2 3 2 2 2 2 2 Dew point temp SD(F)
WBG 66 64 56 51 48 48 48 59 66 66 57 52 51 49 50 62 70 69 59 54 54 54 54 Wet bulb temp(F)
SKY 10 4 6 1 1 15 27 17 5 0 4 8 6 1 18 12 15 35 40 38 71 76 84 Sky cover(%)
SSD 19 12 10 1 2 24 26 30 31 4 4 30 9 1 12 17 22 25 26 27 20 15 13 Sky cover SD(%)
WDR 33 33 33 33 34 36 2 1 1 1 36 36 1 3 3 33 31 30 28 26 24 23 20 Wind dir (deg)
WSP 2 2 3 2 3 3 3 3 3 2 2 3 3 2 1 1 1 2 2 2 2 2 2 Wind spd (kts)
WSD 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 1 1 1 1 1 1 Wind spd SD(kts)
GST 7 8 9 7 8 8 7 9 10 10 7 8 7 4 3 4 5 8 7 6 5 5 5 Wind gust(kts)
GSD 1 2 2 2 2 2 2 1 1 2 3 3 2 1 1 1 1 3 2 2 1 2 2 Wind gust SD(kts)
P06 0 0 0 0 0 0 0 0 0 0 1 6-hr PoP(%)
P12 0 0 0 0 1 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3-hr Tstm prob(%)
T06 0 0 0 0 0 0 0 0 0 0 1 6-hr Tstm prob(%)
T12 0 0 0 0 1 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 1 1 4 4 10 Cond prob of rain(%)
S06 0 0 0 0 0 0 0 0 0 0 0 6-hr snow(1/10in)
SLV 68 71 69 67 65 64 64 69 88 92 94 94 84 88 90 98100 98100100100100 97 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 40 24 Ceiling height*
IFC 0 0 2 2 4 8 11 2 0 0 2 5 6 8 13 4 0 2 4 6 7 13 17 Prob cig<1000ft(%) IFR
LCB 60 41 70260240 70 70110120180180 90140130190180170160150 90 70 5 10 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100 70100 Visibility*
IFV 0 0 0 0 2 7 5 0 0 0 0 2 6 12 10 0 0 0 0 3 8 13 9 Prob vsby<3mi(%) IFR
MHT 57 60 12 5 5 4 8 23 35 36 6 4 3 3 6 25 40 33 11 7 7 7 13 MixHgt 100s feet AGL
TWD 34 35 35 36 1 2 3 2 1 1 1 0 1 1 1 35 30 30 27 24 22 23 20 Transport wind dir
TWS 7 9 11 7 7 5 6 9 10 11 9 7 6 5 4 3 5 8 9 6 4 4 5 Transport wind spd(kts)
SOL 81 52 4 2 0 0 14 60 80 54 5 2 0 0 12 48 82 60 18 9 0 0 1 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
YNFO3 NBM V5.0 NBE GUIDANCE 8/29/2026 1500 UTC
SUN 30 |MON 31 |TUE 01 |WED 02 |THU 03 |FRI 04 |SAT 05 |SUN 06 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 21| 33 45| 57 69| 81 93|105 117|129 141|153 165|177 189 Forecast Hour
TXN 48| 78 50| 82 53| 73 53| 67 52| 68 49| 70 49| 72 49 52 79 Max/Min Temp(F)
XND 3| 2 3| 3 2| 5 2| 6 3| 5 3| 5 3| 6 3 SD of max/min temps(F)
TMP 49| 77 51| 79 56| 70 56| 64 55| 65 51| 69 51| 71 52 Temperature(F)
TSD 2| 2 1| 4 2| 4 2| 5 3| 5 3| 4 3| 6 3 SD of temp(F)
DPT 45| 40 46| 50 52| 54 51| 56 52| 54 48| 51 48| 52 48 Dew point temp(F)
DSD 1| 3 2| 3 2| 3 3| 5 3| 5 3| 5 3| 5 3 Dew point temp SD(F)
WBG 48| 66 49| 69 54| 64 54| 61 53| 61 50| 63 49| 64 50 Wet bulb temp(F)
SKY 15| 0 1| 35 76| 42 68| 81 77| 36 58| 41 50| 14 42 Sky cover(%)
SSD 24| 4 1| 25 15| 29 21| 13 17| 34 27| 28 28| 12 25 Sky cover SD(%)
WDR 36| 1 3| 30 23| 27 18| 20 18| 27 14| 33 9| 32 12 Wind dir (deg)
WSP 3| 2 2| 2 2| 2 5| 0 3| 0 1| 1 1| 1 1 Wind spd (kts)
WSD 1| 1 1| 1 1| 1 2| 1 2| 1 2| 1 1| 1 1 Wind spd SD(kts)
GST 8| 10 4| 8 5| 8 13| 7 8| 5 4| 4 3| 5 4 Wind gust(kts)
GSD 2| 2 1| 3 2| 3 4| 4 4| 3 3| 3 2| 3 2 Wind gust SD(kts)
P12 0| 0 0| 0 1| 25 36| 73 87| 66 52| 28 24| 28 27 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 2 3| 42 50| 35 10| 4 0| 2 2 12-hr QPF(.01in)
Q24 | 0| 0| 5| 92| 45| 4| 4 26 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 1 1| 6 7| 5 3| 1 0| 0 1 Duration of precip(hrs)
T12 0| 0 0| 0 1| 7 6| 12 12| 22 10| 5 3| 3 3 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 4| 24 46| 94 74| 66 25| 29 14| 25 14 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 64| 92 88| 98 100| 85 82| 87 72| 73 68| 75 76| 82 79 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| 48 2| 50 7| 21 5| 9 0| 27 7| 34 5| 44 7 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
YNFO3 NBM V5.0 NBX GUIDANCE 8/29/2026 1500 UTC
MON 07| TUE 08| WED 09
UTC 00 12 |00 12 |00 12 Time (UTC)
PDT 17 05 |17 05 |17 05 Time (PDT)
FHR 201 213|225 237|249 261 Forecast Hour
TXN 74 50| 77 53| 79 53 Max/Min Temp(F)
XND 7 3| 7 4| 7 4 SD of max/min temps(F)
TMP 73 52| 76 54| 77 54 Temperature(F)
TSD 7 3| 7 3| 8 3 SD of temp(F)
DPT 52 48| 52 50| 54 51 Dew point temp(F)
DSD 5 3| 5 3| 6 4 Dew point temp SD(F)
WBG 66 50| 68 53| 69 53 Wet bulb temp(F)
SKY 13 41| 15 32| 15 33 Sky cover(%)
SSD 21 30| 27 16| 8 9 Sky cover SD(%)
WDR 33 16| 33 3| 35 2 Wind dir (deg)
WSP 1 1| 1 1| 1 1 Wind spd (kts)
WSD 1 1| 1 2| 1 2 Wind spd SD(kts)
GST 4 4| 5 4| 6 5 Wind gust(kts)
GSD 3 2| 3 3| 3 3 Wind gust SD(kts)
P12 14 10| 6 12| 13 12 12-hr PoP(%)
Q12 0 0| 0 3| 0 0 12-hr QPF(.01in)
Q24 0| 3| 0 24-hr QPF(.01in)
DUR 0 0| 0 1| 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 15 8| 5 9| 13 12 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 85 88| 93 95| 99 98 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 19 16| 23 9| 23 18 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
YNFO3 NBM V5.0 NBP GUIDANCE 8/29/2026 1300 UTC
SUN 30| MON 31| TUE 01| WED 02| THU 03| FRI 04| SAT 05| SUN 06| MON 07|
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 49| 78 51| 82 53| 73 53| 67 53| 67 49| 70 49| 72 49| 74 50| 74 Mean min/max temp(F)
TXNSD 3| 3 3| 3 2| 5 2| 6 3| 5 3| 5 3| 6 3| 7 3| 7 SD min/max temp(F)
TXNP1 46| 74 47| 78 50| 67 51| 60 49| 62 45| 64 46| 64 46| 67 47| 67 10th percentile min/max temp(F)
TXNP2 47| 76 48| 80 51| 70 52| 63 51| 64 47| 68 47| 68 48| 70 49| 70 25th percentile min/max temp(F)
TXNP5 48| 78 50| 82 53| 73 53| 66 53| 68 49| 70 49| 72 49| 74 50| 74 50th percentile min/max temp(F)
TXNP7 52| 80 55| 84 55| 77 55| 72 54| 71 51| 73 50| 75 51| 78 52| 78 75th percentile min/max temp(F)
TXNP9 52| 81 56| 85 56| 79 55| 74 55| 72 54| 76 53| 80 53| 84 54| 84 90th percentile min/max temp(F)
WSPP1 2| 2 1| 1 1| 1 2| 0 1| 0 0| 0 0| 0 0| 0 0| 0 10th percentile wnd(kts)
WSPP2 3| 2 1| 2 1| 1 3| 0 2| 0 0| 1 1| 1 1| 1 1| 1 25th percentile wnd(kts)
WSPP5 3| 2 2| 2 2| 2 5| 1 3| 1 2| 1 1| 1 2| 1 2| 1 50th percentile wnd(kts)
WSPP7 4| 3 2| 3 3| 3 7| 2 5| 2 3| 2 2| 2 2| 2 3| 2 75th percentile wnd(kts)
WSPP9 4| 3 2| 4 4| 4 8| 3 6| 3 4| 3 3| 3 3| 3 4| 3 90th percentile wnd(kts)
W24P1 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 4 | 4 | 3 | 3 | 4 | 2 | 2 | 2 | 2 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 5 | 5 | 5 | 4 | 5 | 3 | 3 | 3 | 3 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 6 | 6 | 6 | 6 | 8 | 5 | 4 | 4 | 4 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 7 | 7 | 7 | 9 | 11 | 8 | 6 | 6 | 6 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 10 | 10 | 8 | 9 | 11 | 6 | 6 | 6 | 6 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 11 | 12 | 10 | 10 | 13 | 8 | 8 | 7 | 7 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 13 | 13 | 12 | 13 | 17 | 11 | 10 | 10 | 9 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 14 | 16 | 14 | 15 | 22 | 15 | 12 | 11 | 11 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 16 | 17 | 16 | 19 | 26 | 19 | 15 | 14 | 14 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| 73| 0| 0| 0| 0| 25th percentile 24hr QPF(1/100in)
Q24P5 | 0| 0| 0| 110| 39| 0| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 11| 129| 78| 10| 13| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 30| 162| 111| 51| 79| 17| 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 019|012 012|007 011|009 011|009 010|011 012|011 012|011 013|012 013|010 10th percentile MSLP(mb)
SLPP2 019|013 013|008 013|011 012|010 012|012 014|013 015|012 016|013 015|012 25th percentile MSLP(mb)
SLPP5 020|014 013|009 013|012 014|012 013|014 015|014 017|015 018|015 017|014 50th percentile MSLP(mb)
SLPP7 020|014 014|010 014|013 015|013 015|015 018|016 018|016 019|017 019|016 75th percentile MSLP(mb)
SLPP9 020|015 014|011 015|014 016|014 017|016 019|018 020|018 020|019 021|018 90th percentile MSLP(mb)