NBM Guidance for GELLATLY (GELO3)
44.6078N 123.4750W
Elevation 942 ft
HOURLY TO 24 HOURS:
GELO3 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 59 63 67 70 71 71 70 68 64 60 57 55 54 53 52 52 51 51 51 51 51 50 52 53 55 Temperature(F)
TSD 1 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 SD of temp(F)
DPT 52 52 51 51 50 51 51 51 50 49 50 50 51 51 51 51 51 50 50 50 50 50 51 52 52 Dew point temp(F)
DSD 1 1 1 2 2 1 1 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Dew point temp SD(F)
WBG 57 61 65 67 67 66 64 62 60 56 54 53 53 52 52 51 51 50 50 50 50 50 51 53 54 Wet bulb temp(F)
SKY 12 18 11 22 16 19 17 4 3 4 7 9 19 22 30 34 45 57 61 58 73 76 83 82 75 Sky cover(%)
SSD 21 20 14 24 15 23 29 5 3 5 6 9 13 13 19 22 28 33 25 29 27 33 13 13 20 Sky cover SD(%)
WDR 1 36 33 31 30 29 29 29 29 28 28 28 28 28 28 28 28 28 28 28 27 25 26 24 27 Wind dir (deg)
WSP 3 3 4 4 6 8 8 9 9 9 9 9 8 6 5 5 4 4 3 3 3 2 2 3 3 Wind spd (kts)
WSD 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 Wind spd SD(kts)
GST 6 7 8 9 11 14 16 17 17 17 16 15 13 10 9 7 7 6 6 5 5 4 4 5 7 Wind gust(kts)
GSD 1 1 1 2 2 3 3 2 2 2 2 2 2 3 2 2 2 2 1 1 1 2 2 2 2 Wind gust SD(kts)
P01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 1 1 0 1 1-hr PoP(%)
P06 1 0 5 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 3 3 3 6 22 22 14 18 18 14 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 81 81 81 82 82 82 82 82 81 81 80 79 78 74 71 69 70 76 76 73 70 69 70 67 65 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 45 35 35 35 35 45 35 35 Ceiling height*
MVC 8 6 5 3 2 3 3 5 7 9 10 10 11 12 18 19 18 21 24 27 25 22 20 18 18 Prob cig<=3000ft(%) MVFR
IFC 1 0 0 0 1 2 3 3 3 4 4 3 1 0 0 0 0 0 1 4 4 4 3 1 0 Prob cig<1000ft(%) IFR
LIC 1 0 0 0 1 1 1 1 1 2 3 2 0 0 0 0 0 0 0 4 4 4 3 1 0 Prob cig<500ft(%) LIFR
LCB 90150 70 43 28 27 27 23 29-88 1 70 1 1 1 6 17 13 23 24 20 29 23 26 28 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 4 1 1 1 1 1 1 1 2 2 2 3 4 4 4 4 5 8 11 12 12 13 12 9 6 Prob vsby<=5mi(%) MVFR
IFV 3 1 1 0 0 0 0 1 1 1 1 2 1 2 1 1 3 5 6 7 7 8 7 5 2 Prob vsby<3mi(%) IFR
LIV 2 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 3 4 4 4 5 4 2 1 Prob vsby<1mi(%) LIFR
MHT 24 32 38 43 46 43 36 28 21 18 12 5 4 4 4 4 4 4 4 4 4 4 6 12 21 MixHgt 100s feet AGL
TWD 0 35 33 32 31 29 28 28 28 28 28 28 28 28 28 28 29 29 28 29 29 28 28 27 27 Transport wind dir
TWS 4 3 4 5 6 8 9 11 12 13 13 11 10 8 8 7 6 6 6 5 5 4 4 4 4 Transport wind spd(kts)
SOL 45 61 79 83 80 71 64 52 31 14 4 3 2 2 0 0 0 0 0 0 0 0 3 7 16 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
GELO3 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 49 68 46 73 50 Max/Min Temp(F)
XND 1 3 2 3 2 SD of max/min temps(F)
TMP 71 68 57 53 51 51 52 58 65 65 57 52 49 48 49 58 68 71 61 55 53 52 52 Temperature(F)
TSD 2 2 1 1 1 1 2 2 2 2 2 1 2 2 2 1 2 2 2 2 2 1 1 SD of temp(F)
DPT 50 51 50 51 51 50 51 50 47 47 49 51 49 48 49 48 46 47 50 52 51 50 51 Dew point temp(F)
DSD 2 2 2 1 1 1 1 2 2 1 1 1 1 1 1 1 2 3 2 1 2 2 1 Dew point temp SD(F)
WBG 67 62 54 52 51 50 51 57 62 59 54 51 49 48 49 57 64 63 57 54 52 50 52 Wet bulb temp(F)
SKY 16 4 7 22 45 58 83 74 16 12 14 27 34 62 56 31 14 7 15 20 15 21 27 Sky cover(%)
SSD 15 5 6 13 28 29 13 15 18 15 26 24 28 27 27 21 10 6 10 14 12 18 20 Sky cover SD(%)
WDR 30 29 28 28 28 28 26 28 29 30 30 29 30 34 2 2 1 35 33 33 34 35 35 Wind dir (deg)
WSP 6 9 9 6 4 3 2 4 7 8 6 4 2 2 3 5 5 5 4 4 3 3 3 Wind spd (kts)
WSD 1 1 1 2 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 2 2 2 Wind spd SD(kts)
GST 11 17 16 10 7 5 4 9 14 16 11 6 4 4 4 11 11 11 6 6 6 5 5 Wind gust(kts)
GSD 2 2 2 3 2 1 2 2 2 2 2 2 2 2 3 3 3 2 2 2 3 3 3 Wind gust SD(kts)
P06 1 0 5 3 2 1 0 0 0 0 0 6-hr PoP(%)
P12 6 4 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 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 0 0 1 2 1 0 0 0 0 0 0 6-hr Tstm prob(%)
T12 1 2 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 3 22 18 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 Cond prob of rain(%)
S06 0 0 0 0 0 0 0 0 0 0 0 6-hr snow(1/10in)
SLV 82 82 80 74 70 73 70 62 65 66 63 64 65 66 67 79 98100100100100100 93 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 35 45 35-88-88-88-88-88120-88-88-88-88-88-88-88-88-88 Ceiling height*
IFC 1 3 4 0 0 4 3 0 2 4 5 0 0 2 9 6 4 5 6 1 5 13 14 Prob cig<1000ft(%) IFR
LCB 28 23 1 1 17 24 23 26 46 43 70 80 80 23 33 80 80 90120110120110110 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100 80 90 Visibility*
IFV 0 1 1 2 3 7 7 2 1 0 2 1 2 6 7 0 0 1 3 2 1 7 7 Prob vsby<3mi(%) IFR
MHT 46 28 12 4 4 4 6 31 55 44 8 4 4 4 7 29 41 40 6 4 4 4 8 MixHgt 100s feet AGL
TWD 31 28 28 28 29 29 28 29 31 29 29 29 32 35 4 3 1 36 34 36 35 1 1 Transport wind dir
TWS 6 11 13 8 6 5 4 6 8 10 11 7 5 4 4 5 6 7 7 7 6 5 5 Transport wind spd(kts)
SOL 80 52 4 2 0 0 3 28 68 51 5 3 0 0 8 44 80 58 20 10 0 0 4 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
GELO3 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 49| 68 46| 73 50| 76 52| 69 52| 61 51| 64 49| 67 50 51 78 Max/Min Temp(F)
XND 1| 3 2| 3 2| 3 2| 4 2| 5 2| 5 3| 5 3 SD of max/min temps(F)
TMP 51| 65 48| 71 52| 70 54| 64 54| 57 53| 61 51| 64 52 Temperature(F)
TSD 1| 2 2| 2 1| 4 2| 3 2| 5 2| 4 3| 5 3 SD of temp(F)
DPT 50| 47 48| 47 50| 52 53| 53 53| 55 53| 52 50| 51 50 Dew point temp(F)
DSD 1| 1 1| 3 2| 3 2| 3 2| 3 2| 4 3| 4 3 Dew point temp SD(F)
WBG 50| 59 48| 63 50| 64 53| 60 53| 57 52| 58 50| 61 50 Wet bulb temp(F)
SKY 58| 12 62| 7 21| 33 69| 35 86| 80 78| 45 55| 29 46 Sky cover(%)
SSD 29| 15 27| 6 18| 31 14| 17 17| 14 14| 26 26| 20 17 Sky cover SD(%)
WDR 28| 30 34| 35 35| 29 26| 27 19| 21 20| 28 25| 30 36 Wind dir (deg)
WSP 3| 8 2| 5 3| 8 3| 8 10| 7 8| 7 3| 6 3 Wind spd (kts)
WSD 1| 1 1| 1 2| 2 2| 1 4| 2 4| 2 3| 2 3 Wind spd SD(kts)
GST 5| 16 4| 11 5| 16 5| 17 19| 19 13| 14 5| 12 6 Wind gust(kts)
GSD 1| 2 2| 2 3| 3 3| 3 7| 7 6| 5 5| 4 4 Wind gust SD(kts)
P12 6| 4 1| 0 0| 0 3| 27 23| 75 82| 60 32| 25 9 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 3 0| 42 39| 16 3| 1 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 3| 81| 19| 1 28 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 1 0| 6 6| 4 1| 0 0 Duration of precip(hrs)
T12 1| 2 0| 0 0| 0 1| 7 7| 7 10| 13 8| 10 4 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 22| 0 0| 0 0| 1 15| 16 46| 91 67| 50 14| 22 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 73| 66 66|102 100| 95 92| 84 81| 82 68| 70 68| 76 76 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 5| 36 2| 47 7| 40 5| 45 6| 2 0| 21 6| 42 5 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
GELO3 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 71 52| 75 54| 77 54 Max/Min Temp(F)
XND 7 4| 8 4| 9 5 SD of max/min temps(F)
TMP 69 54| 72 55| 73 55 Temperature(F)
TSD 7 3| 8 4| 9 4 SD of temp(F)
DPT 51 50| 52 51| 53 52 Dew point temp(F)
DSD 5 4| 5 4| 5 3 Dew point temp SD(F)
WBG 63 52| 66 52| 66 54 Wet bulb temp(F)
SKY 20 36| 22 55| 21 54 Sky cover(%)
SSD 24 29| 24 17| 26 22 Sky cover SD(%)
WDR 34 35| 32 27| 31 32 Wind dir (deg)
WSP 6 4| 6 3| 5 3 Wind spd (kts)
WSD 2 3| 2 2| 2 2 Wind spd SD(kts)
GST 13 6| 12 5| 11 5 Wind gust(kts)
GSD 4 4| 3 3| 3 3 Wind gust SD(kts)
P12 14 9| 8 3| 6 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 14 7| 6 5| 2 6 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 84 82| 87 89| 93 93 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 9 6| 16 11| 24 16 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
GELO3 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 49| 68 46| 73 50| 76 52| 69 52| 61 51| 64 49| 67 50| 71 52| 71 Mean min/max temp(F)
TXNSD 1| 3 2| 3 2| 3 2| 4 2| 5 2| 4 3| 5 3| 7 4| 7 SD min/max temp(F)
TXNP1 47| 65 45| 69 48| 71 49| 63 48| 53 48| 58 45| 62 47| 63 48| 63 10th percentile min/max temp(F)
TXNP2 48| 66 45| 71 49| 74 50| 66 51| 59 50| 61 47| 64 48| 66 49| 66 25th percentile min/max temp(F)
TXNP5 49| 68 46| 73 50| 76 52| 69 52| 61 51| 63 48| 67 49| 71 52| 71 50th percentile min/max temp(F)
TXNP7 50| 70 47| 75 52| 78 53| 72 53| 65 52| 66 51| 70 51| 75 55| 75 75th percentile min/max temp(F)
TXNP9 51| 72 50| 76 53| 79 54| 74 54| 67 53| 69 52| 74 54| 82 57| 82 90th percentile min/max temp(F)
WSPP1 2| 6 1| 4 0| 5 1| 5 3| 4 2| 3 1| 3 1| 4 1| 3 10th percentile wnd(kts)
WSPP2 2| 7 2| 5 2| 6 2| 7 5| 5 4| 5 2| 5 2| 4 2| 4 25th percentile wnd(kts)
WSPP5 3| 8 2| 5 3| 8 3| 8 8| 6 6| 6 3| 6 3| 6 4| 5 50th percentile wnd(kts)
WSPP7 4| 9 3| 6 5| 9 4| 8 11| 8 10| 8 5| 7 6| 7 7| 7 75th percentile wnd(kts)
WSPP9 5| 9 5| 7 6| 9 5| 9 14| 9 11| 9 10| 8 9| 8 10| 8 90th percentile wnd(kts)
W24P1 | 10 | 9 | 6 | 8 | 8 | 8 | 6 | 6 | 6 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 11 | 10 | 7 | 9 | 9 | 9 | 8 | 7 | 7 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 12 | 10 | 8 | 11 | 11 | 11 | 9 | 9 | 9 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 13 | 11 | 9 | 12 | 12 | 13 | 11 | 10 | 10 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 13 | 13 | 10 | 12 | 13 | 14 | 12 | 11 | 11 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 18 | 16 | 12 | 15 | 16 | 16 | 13 | 11 | 12 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 20 | 17 | 13 | 17 | 17 | 18 | 15 | 14 | 14 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 21 | 18 | 15 | 19 | 19 | 22 | 18 | 16 | 16 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 22 | 20 | 16 | 21 | 21 | 26 | 21 | 18 | 19 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 23 | 21 | 18 | 22 | 22 | 33 | 26 | 21 | 21 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| 39| 0| 0| 0| 25th percentile 24hr QPF(1/100in)
Q24P5 | 0| 0| 0| 0| 109| 14| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 9| 135| 36| 3| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 0| 20| 156| 96| 22| 20| 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 018|017 019|014 012|009 012|011 011|009 010|011 012|011 012|011 012|009 10th percentile MSLP(mb)
SLPP2 018|018 019|014 013|010 013|012 012|011 011|013 014|014 015|014 014|012 25th percentile MSLP(mb)
SLPP5 019|018 020|016 014|011 014|013 014|013 014|015 017|016 018|015 016|014 50th percentile MSLP(mb)
SLPP7 019|018 020|016 015|012 014|014 015|015 016|017 019|018 019|018 018|016 75th percentile MSLP(mb)
SLPP9 020|019 021|018 016|013 015|014 017|017 019|019 021|020 021|019 020|017 90th percentile MSLP(mb)