NBM Guidance for ALLISON (ALFO3)
43.9214N 119.5963W
Elevation 5341 ft
HOURLY TO 24 HOURS:
ALFO3 NBM V5.0 NBH GUIDANCE 8/27/2026 1600 UTC
UTC 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 Time (UTC)
PDT 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 Time (PDT)
TMP 69 72 74 76 78 79 79 79 78 74 68 63 60 57 55 53 52 50 50 49 48 48 55 61 67 Temperature(F)
TSD 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 2 SD of temp(F)
DPT 40 39 36 34 31 30 30 28 30 34 38 39 39 39 39 39 38 38 37 37 37 37 38 43 40 Dew point temp(F)
DSD 2 2 2 2 3 3 3 3 3 4 5 5 5 5 5 4 4 4 3 3 3 3 3 2 3 Dew point temp SD(F)
WBG 60 62 64 64 65 65 64 64 62 61 57 54 52 50 49 48 47 46 46 45 44 45 49 55 59 Wet bulb temp(F)
SKY 73 60 63 75 61 30 17 3 5 4 5 9 33 35 39 47 56 67 57 54 60 70 57 38 36 Sky cover(%)
SSD 26 14 17 23 28 32 29 3 5 4 5 11 33 26 34 32 32 26 30 31 34 29 31 33 31 Sky cover SD(%)
WDR 24 23 23 23 23 24 24 25 26 29 33 36 0 1 1 0 0 1 1 2 5 12 17 18 19 Wind dir (deg)
WSP 3 4 4 5 5 5 4 4 4 3 3 3 3 3 3 2 2 2 1 1 1 1 1 1 2 Wind spd (kts)
WSD 1 1 1 1 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 8 11 13 15 16 16 15 14 14 14 12 11 10 10 9 7 6 5 5 4 4 4 3 4 6 Wind gust(kts)
GSD 2 2 2 2 2 2 2 3 3 4 4 3 3 3 3 2 2 2 1 1 1 1 2 2 2 Wind gust SD(kts)
P01 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr PoP(%)
P06 1 1 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 1 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 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 104104105106107110111113115115115113112112113113112111111111110110109108107 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 230230220130190-88-88-88-88-88-88-88-88-88-88-88-88230-88-88170220160-88-88 Ceiling height*
MVC 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 Prob cig<=3000ft(%) MVFR
IFC 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 Prob cig<1000ft(%) IFR
LIC 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 Prob cig<500ft(%) LIFR
LCB 210210210130190220210150 90 90-88 31-88 80210150210200180240170210160210140 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 2 2 2 2 2 2 2 1 1 1 0 0 0 0 0 0 0 0 0 1 2 2 3 3 3 Prob vsby<=5mi(%) MVFR
IFV 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 Prob vsby<3mi(%) IFR
LIV 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 Prob vsby<1mi(%) LIFR
MHT 28 47 60 68 76 83 88 96 92 58 9 10 6 5 5 5 5 4 4 5 4 4 4 17 32 MixHgt 100s feet AGL
TWD 24 23 23 23 24 23 25 25 25 29 35 36 1 1 1 1 1 2 3 3 6 9 12 18 19 Transport wind dir
TWS 9 12 15 16 17 17 17 18 17 14 11 13 12 12 11 9 8 7 6 5 4 4 3 7 10 Transport wind spd(kts)
SOL 51 65 79 85 83 77 66 51 29 11 3 2 2 2 0 0 0 0 0 0 0 5 20 35 50 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
ALFO3 NBM V5.0 NBS GUIDANCE 8/27/2026 1600 UTC
DT /AUG 28 /AUG 29 /AUG 30
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 05 08 11 14 17 20 23 26 29 32 35 38 41 44 47 50 53 56 59 62 65 68 71 Forecast Hour
TXN 41 80 38 71 31 Max/Min Temp(F)
XND 3 2 4 3 3 SD of max/min temps(F)
TMP 78 79 68 57 52 49 55 70 76 76 66 56 49 45 49 61 67 66 57 47 41 38 43 Temperature(F)
TSD 2 2 2 2 2 1 1 2 2 3 3 2 2 2 2 2 3 3 2 3 3 3 3 SD of temp(F)
DPT 31 28 38 39 38 37 38 39 34 31 35 35 36 36 36 37 31 26 25 27 30 29 29 Dew point temp(F)
DSD 3 3 5 5 4 3 3 3 4 5 6 5 3 3 3 3 4 6 5 5 4 4 4 Dew point temp SD(F)
WBG 65 64 57 50 47 45 49 62 64 62 55 48 44 42 46 56 59 54 47 42 37 35 39 Wet bulb temp(F)
SKY 61 3 5 35 56 54 57 33 41 53 32 15 12 10 21 2 12 32 16 13 13 10 20 Sky cover(%)
SSD 28 3 5 26 32 31 31 32 37 28 27 17 7 7 7 3 17 31 25 11 8 6 10 Sky cover SD(%)
WDR 23 25 33 1 0 2 17 20 23 25 35 36 33 32 30 28 28 31 33 33 32 26 22 Wind dir (deg)
WSP 5 4 3 3 2 1 1 3 5 4 3 2 2 2 2 4 5 6 4 3 1 1 1 Wind spd (kts)
WSD 1 1 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 16 14 12 10 6 4 3 9 15 15 12 7 5 5 6 11 15 16 14 10 4 4 4 Wind gust(kts)
GSD 2 3 4 3 2 1 2 3 2 2 4 3 3 2 2 2 2 2 3 4 3 2 2 Wind gust SD(kts)
P06 1 1 0 0 2 2 0 0 0 1 0 6-hr PoP(%)
P12 1 0 2 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 2 3 1 0 0 0 0 1 4 4 1 0 0 0 0 0 1 1 0 0 0 0 3-hr Tstm prob(%)
T06 2 3 0 0 4 4 0 0 1 2 0 6-hr Tstm prob(%)
T12 3 4 4 1 2 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 4 4 4 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 110110110110110110110110110110110110100 99 97 88 93 91 88 80 74 72 73 Snow level 100s feet MSL
I06 0 0 0 0 0 0 0 0 0 0 0 6-hr ice(1/100in)
CIG 190-88-88-88-88-88160-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88 Ceiling height*
IFC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Prob cig<1000ft(%) IFR
LCB 190150-88 80210240160120140100180 33-88-88 1 90 70220-88190220180150 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 1 0 0 0 0 0 1 0 0 0 0 0 0 3 3 1 1 0 0 0 1 3 3 Prob vsby<3mi(%) IFR
MHT 76 96 9 5 5 5 4 48 80 97 14 5 4 4 12 43 65 58 23 8 5 4 9 MixHgt 100s feet AGL
TWD 24 25 35 1 1 3 12 20 22 23 35 36 32 31 29 27 27 29 33 34 34 29 24 Transport wind dir
TWS 17 18 11 12 8 5 3 12 17 17 12 11 8 7 7 12 17 18 14 11 6 5 5 Transport wind spd(kts)
SOL 83 51 3 2 0 0 20 57 73 45 3 2 0 0 16 53 83 55 13 7 0 0 6 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
ALFO3 NBM V5.0 NBE GUIDANCE 8/27/2026 1600 UTC
FRI 28 |SAT 29 |SUN 30 |MON 31 |TUE 01 |WED 02 |THU 03 |FRI 04 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 20| 32 44| 56 68| 80 92|104 116|128 140|152 164|176 188 Forecast Hour
TXN 41| 80 38| 71 31| 72 36| 80 39| 75 35| 70 34| 69 32 39 74 Max/Min Temp(F)
XND 3| 2 4| 3 3| 5 4| 3 4| 4 4| 7 5| 9 6 SD of max/min temps(F)
TMP 49| 76 45| 66 38| 69 45| 76 47| 71 44| 66 44| 65 41 Temperature(F)
TSD 1| 3 2| 3 3| 5 4| 3 3| 5 3| 8 4| 9 6 SD of temp(F)
DPT 37| 31 36| 26 29| 19 21| 22 30| 25 34| 29 34| 30 33 Dew point temp(F)
DSD 3| 5 3| 6 4| 5 4| 4 5| 8 6| 7 6| 7 7 Dew point temp SD(F)
WBG 45| 62 42| 54 35| 56 38| 61 41| 58 41| 55 41| 54 39 Wet bulb temp(F)
SKY 54| 53 10| 32 10| 6 21| 27 46| 40 41| 46 33| 26 25 Sky cover(%)
SSD 31| 28 7| 31 6| 18 30| 27 37| 24 24| 29 19| 21 18 Sky cover SD(%)
WDR 2| 25 32| 31 26| 28 10| 23 30| 26 22| 26 26| 28 27 Wind dir (deg)
WSP 1| 4 2| 6 1| 2 2| 4 1| 5 2| 5 2| 5 2 Wind spd (kts)
WSD 1| 1 1| 1 1| 1 1| 1 1| 2 1| 2 2| 2 2 Wind spd SD(kts)
GST 4| 15 5| 16 4| 9 6| 14 4| 16 6| 16 7| 16 7 Wind gust(kts)
GSD 1| 2 2| 2 2| 2 3| 3 3| 3 4| 4 6| 5 5 Wind gust SD(kts)
P12 1| 0 2| 0 1| 1 0| 0 1| 12 6| 13 22| 20 15 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 0| 0| 0 14 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0| 0 0 Duration of precip(hrs)
T12 3| 4 4| 1 2| 0 1| 2 3| 16 10| 5 6| 8 7 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| 4 0| 0 0| 0 0| 2 1| 5 7| 18 16| 23 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 111|113 99| 91 72| 91 97|106 100| 99 88| 94 87| 96 87 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 1| 52 5| 49 6| 44 5| 29 5| 42 6| 47 6 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
ALFO3 NBM V5.0 NBX GUIDANCE 8/27/2026 1600 UTC
SAT 05| SUN 06| MON 07
UTC 00 12 |00 12 |00 12 Time (UTC)
PDT 17 05 |17 05 |17 05 Time (PDT)
FHR 200 212|224 236|248 260 Forecast Hour
TXN 68 32| 71 35| 72 36 Max/Min Temp(F)
XND 10 8| 10 7| 10 7 SD of max/min temps(F)
TMP 65 42| 67 44| 68 45 Temperature(F)
TSD 10 7| 10 7| 10 6 SD of temp(F)
DPT 28 32| 28 32| 28 32 Dew point temp(F)
DSD 8 7| 10 8| 9 8 Dew point temp SD(F)
WBG 55 38| 55 40| 56 41 Wet bulb temp(F)
SKY 19 23| 37 29| 25 27 Sky cover(%)
SSD 15 16| 31 14| 13 13 Sky cover SD(%)
WDR 29 32| 30 29| 28 5 Wind dir (deg)
WSP 4 2| 3 2| 3 2 Wind spd (kts)
WSD 2 2| 2 1| 2 2 Wind spd SD(kts)
GST 13 6| 11 6| 11 7 Wind gust(kts)
GSD 4 4| 4 3| 4 4 Wind gust SD(kts)
P12 16 10| 12 16| 15 13 12-hr PoP(%)
Q12 0 0| 0 2| 0 0 12-hr QPF(.01in)
Q24 0| 2| 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 18 13| 12 14| 17 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 92 83| 93 87| 96 92 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 21 18| 31 16| 31 19 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
ALFO3 NBM V5.0 NBP GUIDANCE 8/27/2026 1300 UTC
FRI 28| SAT 29| SUN 30| MON 31| TUE 01| WED 02| THU 03| FRI 04| SAT 05|
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 41| 80 38| 71 31| 72 36| 80 39| 75 35| 70 34| 69 32| 68 32| 68 Mean min/max temp(F)
TXNSD 3| 2 4| 3 3| 5 4| 3 4| 4 4| 7 5| 9 6| 10 8| 10 SD min/max temp(F)
TXNP1 37| 77 32| 66 27| 66 30| 77 34| 68 30| 61 28| 57 23| 57 23| 57 10th percentile min/max temp(F)
TXNP2 39| 79 35| 69 29| 69 33| 79 35| 72 32| 66 30| 62 27| 60 26| 60 25th percentile min/max temp(F)
TXNP5 41| 80 37| 70 31| 72 36| 81 38| 76 35| 70 34| 68 31| 67 30| 67 50th percentile min/max temp(F)
TXNP7 43| 82 42| 72 34| 77 40| 82 43| 78 38| 77 37| 77 35| 78 36| 78 75th percentile min/max temp(F)
TXNP9 45| 83 44| 75 36| 79 41| 83 45| 80 39| 79 40| 79 41| 82 42| 82 90th percentile min/max temp(F)
WSPP1 1| 3 1| 4 0| 2 1| 3 1| 3 1| 3 1| 2 1| 2 1| 2 10th percentile wnd(kts)
WSPP2 1| 3 1| 5 1| 2 1| 3 1| 4 1| 3 1| 3 1| 3 1| 2 25th percentile wnd(kts)
WSPP5 1| 4 2| 6 1| 2 2| 4 2| 5 2| 5 2| 5 2| 4 2| 3 50th percentile wnd(kts)
WSPP7 2| 5 2| 6 2| 3 3| 5 2| 6 3| 6 4| 7 4| 5 3| 4 75th percentile wnd(kts)
WSPP9 2| 6 3| 7 2| 3 4| 6 3| 7 4| 7 5| 8 5| 7 4| 6 90th percentile wnd(kts)
W24P1 | 6 | 6 | 6 | 4 | 5 | 6 | 6 | 5 | 4 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 6 | 7 | 7 | 4 | 6 | 7 | 6 | 6 | 5 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 7 | 8 | 8 | 4 | 7 | 7 | 8 | 8 | 6 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 8 | 8 | 8 | 5 | 8 | 9 | 9 | 10 | 9 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 9 | 9 | 9 | 6 | 8 | 10 | 10 | 11 | 10 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 17 | 17 | 18 | 11 | 16 | 17 | 16 | 15 | 13 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 18 | 19 | 19 | 13 | 18 | 18 | 18 | 17 | 16 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 20 | 21 | 21 | 14 | 19 | 21 | 21 | 21 | 18 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 22 | 23 | 22 | 15 | 21 | 24 | 23 | 25 | 23 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 23 | 24 | 24 | 18 | 23 | 26 | 26 | 27 | 25 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| 0| 0| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 0| 0| 2| 3| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 0| 0| 5| 23| 27| 10| 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 015|009 014|010 016|009 010|005 010|007 014|010 013|009 012|010 013|010 10th percentile MSLP(mb)
SLPP2 016|010 015|011 017|011 012|006 011|008 015|012 016|011 015|012 016|012 25th percentile MSLP(mb)
SLPP5 016|010 016|012 018|013 013|007 013|010 017|013 018|014 017|014 018|015 50th percentile MSLP(mb)
SLPP7 017|011 016|013 020|014 016|009 014|011 018|016 020|016 021|017 020|017 75th percentile MSLP(mb)
SLPP9 017|012 017|014 021|016 019|010 016|012 019|017 022|019 023|018 022|018 90th percentile MSLP(mb)