NBM Guidance for HAYSTACK (HYFO3)
44.4497N 121.1297W
Elevation 3248 ft
HOURLY TO 24 HOURS:
HYFO3 NBM V5.0 NBH GUIDANCE 8/28/2026 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 66 70 73 75 78 80 80 79 76 72 67 63 60 58 56 55 54 52 51 50 48 49 54 58 61 Temperature(F)
TSD 1 1 1 1 2 2 2 2 2 2 2 2 1 1 1 1 1 1 2 2 2 2 2 2 2 SD of temp(F)
DPT 42 41 39 38 37 36 36 36 37 38 39 39 40 41 42 42 42 42 42 42 42 43 43 42 41 Dew point temp(F)
DSD 2 2 2 2 2 2 2 3 3 3 4 3 3 2 2 2 2 2 2 2 2 2 2 2 2 Dew point temp SD(F)
WBG 58 62 65 66 67 68 66 65 63 61 57 54 53 52 51 50 49 48 47 47 46 47 51 53 55 Wet bulb temp(F)
SKY 3 3 2 0 0 2 0 3 2 5 7 12 18 15 12 13 16 15 12 16 21 27 12 14 10 Sky cover(%)
SSD 5 4 4 1 0 2 0 2 2 8 6 8 8 8 8 8 8 9 9 10 11 30 21 23 31 Sky cover SD(%)
WDR 27 32 34 34 34 34 33 32 32 32 31 31 32 33 18 24 24 23 24 24 25 26 27 28 28 Wind dir (deg)
WSP 3 4 5 6 6 7 7 8 8 7 6 5 4 3 4 5 6 5 5 4 4 4 5 6 6 Wind spd (kts)
WSD 1 1 1 1 1 1 1 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 1 Wind spd SD(kts)
GST 7 9 11 12 14 14 14 16 16 15 13 12 9 7 7 9 10 9 8 8 8 8 10 11 12 Wind gust(kts)
GSD 1 1 1 1 1 1 2 2 2 3 3 3 3 3 4 4 4 4 4 4 4 3 4 3 2 Wind gust SD(kts)
P01 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1-hr PoP(%)
P06 0 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 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 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 92 93 94 96 99101103104105104101 96 91 87 85 83 82 81 80 79 76 75 74 73 71 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 4 5 5 5 4 2 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 1 1 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 240240210-88-88 90 90 70 60 60 49 60 48-88-88 18 23150 18 18 14 70190110100 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 2 3 3 2 2 2 0 1 0 Prob vsby<=5mi(%) MVFR
IFV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 1 1 1 0 0 0 Prob vsby<3mi(%) IFR
LIV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 1 1 0 0 0 Prob vsby<1mi(%) LIFR
MHT 20 29 37 45 57 68 76 68 51 34 14 7 7 5 5 6 5 5 5 5 5 6 15 23 36 MixHgt 100s feet AGL
TWD 25 28 28 29 29 28 29 29 31 31 30 30 31 30 29 27 27 26 26 26 27 27 28 27 27 Transport wind dir
TWS 3 4 5 7 9 10 11 12 13 13 12 10 8 6 5 7 9 8 7 10 8 8 9 9 11 Transport wind spd(kts)
SOL 54 66 82 86 84 77 66 51 28 11 3 2 2 2 0 0 0 0 0 0 0 4 19 36 49 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
HYFO3 NBM V5.0 NBS GUIDANCE 8/28/2026 1600 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 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 48 72 43 77 49 Max/Min Temp(F)
XND 4 2 4 3 4 SD of max/min temps(F)
TMP 78 79 67 58 54 50 54 64 69 70 59 52 48 44 50 64 73 75 66 57 53 49 57 Temperature(F)
TSD 2 2 2 1 1 2 2 2 2 2 2 1 1 1 2 2 2 2 3 3 2 2 3 SD of temp(F)
DPT 37 36 39 41 42 42 43 38 33 31 34 37 37 37 38 33 27 26 28 31 32 31 32 Dew point temp(F)
DSD 2 3 4 2 2 2 2 2 4 4 3 3 3 2 2 2 3 6 6 5 4 4 4 Dew point temp SD(F)
WBG 67 65 57 52 49 47 51 57 61 58 51 47 45 41 46 57 62 61 54 49 46 44 50 Wet bulb temp(F)
SKY 0 3 7 15 16 16 12 3 17 7 9 19 17 28 16 13 6 5 14 28 23 19 8 Sky cover(%)
SSD 0 2 6 8 8 10 21 30 32 7 8 10 8 35 38 22 19 5 12 14 11 8 5 Sky cover SD(%)
WDR 34 32 31 33 24 24 27 30 31 33 35 4 14 16 17 21 34 36 1 36 17 16 16 Wind dir (deg)
WSP 6 8 6 3 6 4 5 6 8 9 6 3 3 3 4 4 4 5 3 3 2 3 3 Wind spd (kts)
WSD 1 2 2 2 2 2 2 1 2 2 2 2 1 1 1 1 1 1 1 1 2 1 2 Wind spd SD(kts)
GST 14 16 13 7 10 8 10 13 16 17 13 7 6 6 8 9 9 11 7 7 4 5 7 Wind gust(kts)
GSD 1 2 3 3 4 4 4 2 2 2 3 3 2 1 2 1 2 2 2 2 3 2 3 Wind gust SD(kts)
P06 0 1 0 0 0 0 0 0 0 0 0 6-hr PoP(%)
P12 1 0 0 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 1 0 0 0 0 0 0 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 0 1 0 0 0 1 0 0 0 1 0 6-hr Tstm prob(%)
T12 1 0 1 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 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 99100100 87 82 79 74 71 75 78 74 70 68 67 68 70 78 97 93 93 94 91 94 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 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
LCB -88 70 49-88 23 18190200210 50 70 7150160170150110100100110110190170 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 0 0 0 0 2 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 1 0 0 Prob vsby<3mi(%) IFR
MHT 57 68 14 5 5 5 15 45 61 61 12 5 4 4 6 31 50 52 8 5 4 4 4 MixHgt 100s feet AGL
TWD 29 29 30 30 27 26 28 28 29 31 34 1 13 18 18 22 30 34 1 1 19 15 15 Transport wind dir
TWS 9 12 12 6 9 10 9 10 12 12 13 7 4 5 5 5 6 8 11 8 3 4 4 Transport wind spd(kts)
SOL 84 51 3 2 0 0 19 59 83 54 5 2 0 0 14 49 83 60 18 9 0 0 5 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
HYFO3 NBM V5.0 NBE GUIDANCE 8/28/2026 1600 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 20| 32 44| 56 68| 80 92|104 116|128 140|152 164|176 188 Forecast Hour
TXN 48| 72 43| 77 49| 84 54| 80 50| 71 48| 68 44| 70 45 45 80 Max/Min Temp(F)
XND 4| 2 4| 3 4| 3 4| 5 3| 7 5| 6 6| 7 5 SD of max/min temps(F)
TMP 50| 70 44| 75 49| 82 54| 73 52| 66 52| 65 47| 68 47 Temperature(F)
TSD 2| 2 1| 2 2| 2 3| 6 3| 7 4| 7 5| 7 5 SD of temp(F)
DPT 42| 31 37| 26 31| 31 40| 42 43| 40 43| 39 40| 37 39 Dew point temp(F)
DSD 2| 4 2| 6 4| 4 4| 6 3| 6 4| 7 4| 6 5 Dew point temp SD(F)
WBG 47| 58 41| 61 44| 65 49| 63 48| 57 48| 56 44| 58 44 Wet bulb temp(F)
SKY 16| 7 28| 5 19| 22 57| 33 72| 77 77| 46 51| 38 38 Sky cover(%)
SSD 10| 7 35| 5 8| 20 27| 26 29| 19 19| 32 25| 27 29 Sky cover SD(%)
WDR 24| 33 16| 36 16| 35 20| 29 19| 27 20| 29 18| 33 20 Wind dir (deg)
WSP 4| 9 3| 5 3| 8 3| 10 4| 8 5| 8 3| 6 3 Wind spd (kts)
WSD 2| 2 1| 1 1| 1 2| 3 2| 3 3| 3 2| 2 2 Wind spd SD(kts)
GST 8| 17 6| 11 5| 16 6| 19 8| 18 9| 17 6| 15 5 Wind gust(kts)
GSD 4| 2 1| 2 2| 2 3| 4 3| 5 5| 5 3| 4 3 Wind gust SD(kts)
P12 1| 0 0| 0 0| 0 1| 24 25| 27 63| 48 33| 18 15 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 5 0| 4 14| 4 2| 0 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 5| 18| 6| 0 9 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 1 0| 1 4| 1 1| 0 0 Duration of precip(hrs)
T12 1| 0 1| 0 1| 1 2| 16 11| 3 7| 11 8| 10 6 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| 0 2| 28 9| 44 58| 27 17| 16 10 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 79| 78 67| 97 91|106 100|100 85| 89 78| 78 72| 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| 51 2| 52 7| 47 6| 46 6| 7 0| 23 2| 44 5 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
HYFO3 NBM V5.0 NBX GUIDANCE 8/28/2026 1600 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 200 212|224 236|248 260 Forecast Hour
TXN 73 48| 77 51| 81 52 Max/Min Temp(F)
XND 7 5| 8 5| 8 6 SD of max/min temps(F)
TMP 72 49| 75 51| 78 52 Temperature(F)
TSD 7 4| 8 5| 8 5 SD of temp(F)
DPT 38 39| 38 40| 39 41 Dew point temp(F)
DSD 7 6| 7 6| 7 5 Dew point temp SD(F)
WBG 60 45| 63 47| 64 47 Wet bulb temp(F)
SKY 30 31| 28 46| 24 45 Sky cover(%)
SSD 25 29| 31 25| 11 21 Sky cover SD(%)
WDR 36 18| 34 19| 34 26 Wind dir (deg)
WSP 6 3| 7 3| 6 3 Wind spd (kts)
WSD 2 2| 2 2| 2 1 Wind spd SD(kts)
GST 14 5| 14 6| 14 6 Wind gust(kts)
GSD 4 3| 4 3| 4 3 Wind gust SD(kts)
P12 12 8| 6 4| 6 4 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 12 5| 6 2| 3 1 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 88 86| 93 91|100 97 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 16 14| 23 11| 25 17 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
HYFO3 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 50| 72 43| 77 49| 84 54| 80 50| 71 48| 68 44| 70 45| 73 48| 73 Mean min/max temp(F)
TXNSD 4| 2 4| 3 4| 3 4| 5 3| 7 4| 6 6| 7 5| 7 5| 7 SD min/max temp(F)
TXNP1 46| 69 39| 74 45| 81 48| 73 46| 63 41| 61 37| 62 38| 64 40| 64 10th percentile min/max temp(F)
TXNP2 47| 71 41| 76 46| 83 51| 77 48| 66 46| 63 39| 64 41| 68 45| 68 25th percentile min/max temp(F)
TXNP5 48| 72 42| 77 47| 85 52| 81 50| 70 48| 67 44| 68 45| 73 48| 73 50th percentile min/max temp(F)
TXNP7 54| 74 43| 80 55| 87 57| 83 52| 76 50| 71 47| 73 47| 79 50| 79 75th percentile min/max temp(F)
TXNP9 55| 75 50| 81 56| 87 59| 85 54| 80 53| 77 52| 79 51| 84 55| 84 90th percentile min/max temp(F)
WSPP1 2| 7 2| 4 1| 7 2| 6 3| 5 2| 4 1| 3 1| 4 1| 4 10th percentile wnd(kts)
WSPP2 3| 8 3| 5 1| 8 2| 7 3| 6 3| 6 2| 5 3| 5 2| 5 25th percentile wnd(kts)
WSPP5 4| 9 3| 5 3| 8 3| 10 4| 8 5| 8 3| 6 3| 7 3| 7 50th percentile wnd(kts)
WSPP7 6| 10 4| 6 3| 9 4| 11 6| 10 7| 10 4| 9 4| 8 4| 8 75th percentile wnd(kts)
WSPP9 8| 11 4| 7 4| 10 5| 12 7| 10 9| 11 5| 10 5| 10 5| 10 90th percentile wnd(kts)
W24P1 | 9 | 9 | 6 | 9 | 9 | 9 | 8 | 7 | 6 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 9 | 10 | 7 | 10 | 10 | 10 | 9 | 8 | 8 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 10 | 11 | 7 | 10 | 12 | 11 | 10 | 9 | 9 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 11 | 12 | 8 | 11 | 13 | 13 | 12 | 11 | 11 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 13 | 13 | 9 | 12 | 15 | 14 | 14 | 12 | 12 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 17 | 18 | 12 | 16 | 18 | 17 | 16 | 14 | 13 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 18 | 19 | 13 | 18 | 19 | 19 | 18 | 16 | 15 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 20 | 21 | 14 | 19 | 22 | 22 | 21 | 18 | 17 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 21 | 22 | 15 | 21 | 24 | 24 | 24 | 22 | 21 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 23 | 24 | 16 | 23 | 27 | 27 | 28 | 24 | 23 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| 15| 2| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 10| 38| 19| 0| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 0| 31| 61| 63| 17| 7| 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|012 017|010 011|005 010|006 010|007 010|009 012|009 012|009 012|009 10th percentile MSLP(mb)
SLPP2 016|013 018|011 012|006 011|007 012|009 011|010 014|011 015|012 015|011 25th percentile MSLP(mb)
SLPP5 016|014 018|012 013|006 012|008 013|011 013|012 016|014 017|014 017|013 50th percentile MSLP(mb)
SLPP7 017|014 019|013 015|008 013|010 015|013 016|014 018|015 020|016 020|015 75th percentile MSLP(mb)
SLPP9 017|015 020|014 016|008 014|011 016|014 018|016 020|017 022|018 021|016 90th percentile MSLP(mb)