NBM Guidance for CRATER LAKE HQ (KC99)
42.9000N 122.1333W
Elevation 6670 ft
HOURLY TO 24 HOURS:
KC99 NBM V5.0 NBH GUIDANCE 8/27/2026 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 55 58 60 61 62 64 64 64 63 63 60 55 53 51 50 49 48 48 46 46 45 45 44 49 55 Temperature(F)
TSD 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 2 2 1 2 2 1 1 1 1 1 SD of temp(F)
DPT 41 41 41 43 42 41 41 40 40 41 41 42 42 41 38 36 36 36 36 36 35 34 34 36 36 Dew point temp(F)
DSD 2 2 2 2 2 2 3 3 3 3 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 Dew point temp SD(F)
WBG 51 53 56 59 59 60 59 57 56 55 54 50 48 48 45 45 44 43 42 42 41 41 42 45 49 Wet bulb temp(F)
SKY 14 8 6 0 2 2 1 0 3 0 0 5 4 10 5 4 6 7 10 21 10 9 8 4 0 Sky cover(%)
SSD 27 23 13 0 2 2 1 0 2 0 0 18 17 19 11 8 19 18 21 24 12 12 22 12 0 Sky cover SD(%)
WDR 22 23 23 23 24 24 25 25 25 26 28 28 27 24 22 21 21 21 20 20 21 20 20 21 21 Wind dir (deg)
WSP 7 8 10 11 12 12 12 10 9 7 6 4 3 3 3 3 3 3 2 2 2 2 2 3 3 Wind spd (kts)
WSD 3 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 Wind spd SD(kts)
GST 16 19 21 22 22 22 21 20 18 16 13 9 8 7 7 7 6 6 6 5 5 5 5 6 9 Wind gust(kts)
GSD 5 4 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 3 3 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 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 103103103103103103103104104104104104104106106105105103100 98 96 95 93 92 92 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 3 3 2 2 0 3 2 0 0 3 5 5 14 13 14 13 12 12 10 9 8 Prob cig<=3000ft(%) MVFR
IFC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 6 7 8 9 9 7 5 4 Prob cig<1000ft(%) IFR
LIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4 6 6 5 4 3 Prob cig<500ft(%) LIFR
LCB 190210180200-88-88-88-88120120 46 1 1-88-88-88-88-88-88350-88-88-88-88-88 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3 4 6 8 9 9 10 9 4 Prob vsby<=5mi(%) MVFR
IFV 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 5 6 6 7 6 4 Prob vsby<3mi(%) IFR
LIV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4 4 5 4 2 Prob vsby<1mi(%) LIFR
MHT 15 24 32 40 44 46 42 41 37 30 18 6 5 5 5 5 5 5 5 5 5 5 5 5 15 MixHgt 100s feet AGL
TWD 22 22 22 23 23 24 24 25 25 26 27 30 30 29 26 21 20 21 21 21 21 21 21 23 22 Transport wind dir
TWS 11 13 15 16 17 17 17 16 15 14 10 8 7 5 5 5 5 5 5 4 4 4 4 4 6 Transport wind spd(kts)
SOL 39 55 69 86 90 88 82 71 56 33 14 4 3 2 2 0 0 0 0 0 0 0 4 20 37 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
KC99 NBM V5.0 NBS GUIDANCE 8/27/2026 1500 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 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 44 64 39 57 36 Max/Min Temp(F)
XND 2 2 2 3 3 SD of max/min temps(F)
TMP 64 63 55 50 48 45 49 60 63 61 52 47 44 41 43 53 56 55 47 42 38 37 41 Temperature(F)
TSD 1 1 2 1 1 1 1 2 2 2 2 1 2 2 2 3 3 3 3 3 3 3 3 SD of temp(F)
DPT 41 40 42 38 36 35 36 37 38 39 41 39 37 36 37 34 36 35 36 33 30 27 27 Dew point temp(F)
DSD 2 3 2 3 3 3 3 3 3 3 2 2 2 2 3 3 4 4 3 3 2 3 3 Dew point temp SD(F)
WBG 60 56 50 45 43 41 45 54 58 54 49 44 41 39 42 49 53 49 43 39 36 33 37 Wet bulb temp(F)
SKY 2 3 5 5 7 10 4 0 6 3 2 7 2 23 27 2 14 16 7 12 13 10 3 Sky cover(%)
SSD 2 2 18 11 18 12 12 0 25 4 2 5 2 21 20 5 24 23 6 27 29 12 4 Sky cover SD(%)
WDR 24 25 28 22 21 21 21 24 25 27 29 28 27 27 27 27 28 29 30 31 30 23 21 Wind dir (deg)
WSP 12 9 4 3 3 2 3 7 13 11 7 3 3 3 3 8 12 11 7 4 3 3 5 Wind spd (kts)
WSD 2 1 1 1 1 1 1 2 2 1 2 2 2 2 2 2 3 2 3 2 2 2 2 Wind spd SD(kts)
GST 22 18 9 7 6 5 6 15 21 20 16 9 8 7 9 16 20 20 15 9 8 8 10 Wind gust(kts)
GSD 3 3 3 2 2 2 3 4 3 3 4 3 3 3 3 4 4 4 5 4 3 3 4 Wind gust SD(kts)
P06 0 0 0 0 0 0 2 7 0 0 0 6-hr PoP(%)
P12 0 0 6 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 2 2 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 2 2 0 0 1 1 0 0 0 1 0 6-hr Tstm prob(%)
T12 2 1 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 100100100110100 96 92 93 96 99100 96 92 87 83 82 87 85 82 80 77 73 74 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 6 9 5 0 0 0 3 10 9 10 8 2 0 1 4 8 9 10 10 Prob cig<1000ft(%) IFR
LCB -88120 1-88-88-88-88-88-88 80 1 1 1 1100160180170180150180130140 Lowest cloud base*
VIS 100100100100100100100100100100100100100 90 90100100100100100100100100 Visibility*
IFV 0 0 0 0 2 6 6 0 0 0 0 3 5 8 9 1 0 0 0 2 4 8 9 Prob vsby<3mi(%) IFR
MHT 46 37 6 5 5 5 5 34 50 37 9 5 5 5 6 37 48 39 10 5 5 5 4 MixHgt 100s feet AGL
TWD 24 25 30 26 21 21 23 22 25 26 29 28 26 27 28 27 28 30 32 35 1 9 11 Transport wind dir
TWS 17 15 8 5 5 4 4 10 14 15 10 6 6 6 7 10 14 13 8 5 4 4 5 Transport wind spd(kts)
SOL 88 56 4 2 0 0 20 65 88 58 5 3 0 0 15 53 86 64 21 10 0 0 5 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
KC99 NBM V5.0 NBE GUIDANCE 8/27/2026 1500 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 21| 33 45| 57 69| 81 93|105 117|129 141|153 165|177 189 Forecast Hour
TXN 44| 64 39| 57 36| 63 43| 64 41| 57 38| 54 38| 54 37 39 70 Max/Min Temp(F)
XND 2| 2 2| 3 3| 4 3| 3 3| 5 2| 7 3| 9 5 SD of max/min temps(F)
TMP 45| 61 41| 55 37| 61 43| 61 41| 55 39| 53 40| 53 38 Temperature(F)
TSD 1| 2 2| 3 3| 4 3| 3 2| 6 2| 8 3| 9 5 SD of temp(F)
DPT 35| 39 36| 35 27| 29 27| 33 34| 36 34| 36 33| 36 31 Dew point temp(F)
DSD 3| 3 2| 4 3| 5 5| 3 4| 5 4| 5 5| 7 6 Dew point temp SD(F)
WBG 41| 54 39| 49 33| 52 38| 53 39| 49 38| 48 37| 48 36 Wet bulb temp(F)
SKY 10| 3 23| 16 10| 8 15| 29 29| 36 51| 38 34| 18 24 Sky cover(%)
SSD 12| 4 21| 23 12| 19 7| 26 28| 24 25| 16 32| 15 18 Sky cover SD(%)
WDR 21| 27 27| 29 23| 27 25| 27 25| 26 24| 27 25| 27 15 Wind dir (deg)
WSP 2| 11 3| 11 3| 7 3| 10 3| 11 5| 10 6| 10 5 Wind spd (kts)
WSD 1| 1 2| 2 2| 2 2| 3 3| 2 4| 3 5| 4 5 Wind spd SD(kts)
GST 5| 20 7| 20 8| 11 8| 16 7| 20 12| 22 17| 22 12 Wind gust(kts)
GSD 2| 3 3| 4 3| 4 3| 4 5| 5 8| 7 11| 9 10 Wind gust SD(kts)
P12 0| 0 6| 0 0| 0 0| 0 1| 15 18| 26 23| 30 19 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 4 0| 4 0 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 0| 4| 4 28 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 0 0| 1 0| 1 0 Duration of precip(hrs)
T12 2| 1 1| 0 1| 0 2| 3 5| 15 6| 5 8| 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 2| 2 3 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 0| 0 2| 18 16| 27 22| 27 15 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 96| 99 87| 85 73| 96 101|104 95| 94 83| 93 85| 93 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 5| 54 2| 55 8| 50 8| 46 6| 41 5| 42 7| 47 7 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
KC99 NBM V5.0 NBX GUIDANCE 8/27/2026 1500 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 201 213|225 237|249 261 Forecast Hour
TXN 56 38| 58 41| 62 43 Max/Min Temp(F)
XND 10 7| 10 6| 8 6 SD of max/min temps(F)
TMP 55 39| 57 41| 60 43 Temperature(F)
TSD 10 7| 10 6| 9 6 SD of temp(F)
DPT 32 30| 32 30| 33 30 Dew point temp(F)
DSD 7 7| 8 8| 8 8 Dew point temp SD(F)
WBG 49 36| 50 37| 51 39 Wet bulb temp(F)
SKY 20 25| 19 25| 27 23 Sky cover(%)
SSD 15 20| 12 5| 14 12 Sky cover SD(%)
WDR 26 30| 28 23| 23 7 Wind dir (deg)
WSP 7 7| 8 8| 7 7 Wind spd (kts)
WSD 4 4| 4 4| 4 5 Wind spd SD(kts)
GST 15 15| 14 15| 13 16 Wind gust(kts)
GSD 9 9| 7 7| 8 9 Wind gust SD(kts)
P12 16 11| 11 19| 12 13 12-hr PoP(%)
Q12 0 0| 0 2| 1 0 12-hr QPF(.01in)
Q24 0| 2| 1 24-hr QPF(.01in)
DUR 0 0| 0 1| 1 0 Duration of precip(hrs)
PZR 0 0| 0 0| 0 0 Cond prob ZR(%)
PSN 0 0| 1 3| 0 0 Cond prob Snow(%)
PPL 0 0| 0 0| 0 0 Cond prob Sleet/IP(%)
PRA 12 9| 14 5| 15 8 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| 94 83| 96 91 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 22 19| 36 20| 36 20 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
KC99 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 45| 64 40| 57 36| 63 43| 64 41| 57 38| 54 38| 54 37| 56 38| 56 Mean min/max temp(F)
TXNSD 2| 2 2| 3 3| 4 3| 3 3| 5 3| 7 3| 9 5| 10 7| 10 SD min/max temp(F)
TXNP1 41| 62 38| 53 33| 58 38| 61 39| 51 35| 46 34| 41 30| 46 29| 46 10th percentile min/max temp(F)
TXNP2 43| 63 39| 55 34| 62 40| 62 40| 53 36| 50 36| 47 34| 48 32| 48 25th percentile min/max temp(F)
TXNP5 45| 64 40| 57 36| 64 43| 64 41| 57 38| 53 39| 54 37| 54 37| 54 50th percentile min/max temp(F)
TXNP7 46| 65 42| 60 38| 66 45| 66 43| 61 40| 60 40| 61 41| 64 42| 64 75th percentile min/max temp(F)
TXNP9 47| 66 43| 61 40| 67 46| 68 45| 64 41| 64 42| 66 44| 70 49| 70 90th percentile min/max temp(F)
WSPP1 1| 9 1| 8 1| 4 2| 6 1| 7 2| 5 2| 3 1| 2 2| 0 10th percentile wnd(kts)
WSPP2 2| 10 2| 9 2| 5 3| 7 2| 8 3| 8 3| 6 3| 5 4| 4 25th percentile wnd(kts)
WSPP5 2| 10 3| 10 3| 7 3| 9 3| 10 5| 9 6| 9 5| 7 6| 7 50th percentile wnd(kts)
WSPP7 3| 11 4| 11 5| 8 5| 10 5| 11 8| 11 10| 11 9| 10 10| 10 75th percentile wnd(kts)
WSPP9 4| 12 5| 13 7| 9 7| 12 7| 13 11| 13 16| 13 14| 13 13| 12 90th percentile wnd(kts)
W24P1 | 12 | 13 | 12 | 7 | 11 | 12 | 11 | 8 | 8 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 13 | 14 | 13 | 8 | 13 | 14 | 14 | 11 | 10 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 15 | 16 | 15 | 11 | 14 | 16 | 15 | 15 | 12 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 17 | 17 | 17 | 12 | 17 | 19 | 18 | 19 | 16 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 18 | 18 | 19 | 15 | 18 | 20 | 20 | 22 | 20 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 22 | 23 | 20 | 13 | 19 | 22 | 21 | 16 | 14 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 24 | 24 | 22 | 15 | 21 | 23 | 24 | 20 | 17 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 26 | 26 | 25 | 17 | 23 | 27 | 27 | 27 | 22 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 28 | 28 | 28 | 21 | 27 | 30 | 31 | 33 | 29 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 30 | 30 | 31 | 23 | 30 | 33 | 36 | 41 | 37 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| 3| 10| 10| 0| 75th percentile 24hr QPF(1/100in)
Q24P9 | 3| 0| 0| 0| 21| 35| 42| 16| 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 016|012 017|013 017|010 012|007 012|010 016|012 014|013 014|011 014|011 10th percentile MSLP(mb)
SLPP2 017|013 018|014 018|011 012|008 014|012 017|014 018|014 016|013 015|013 25th percentile MSLP(mb)
SLPP5 017|013 018|015 019|012 014|010 015|013 019|016 020|015 018|015 018|014 50th percentile MSLP(mb)
SLPP7 018|014 019|016 020|014 016|011 016|014 020|018 022|017 020|017 020|016 75th percentile MSLP(mb)
SLPP9 018|014 019|016 021|015 017|012 018|015 021|018 023|019 022|018 022|019 90th percentile MSLP(mb)