NBM Guidance for KEN JERNSTEDT AIRFIE (K4S2)
45.6728N 121.5339W
Elevation 607 ft
HOURLY TO 24 HOURS:
K4S2 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 65 68 71 73 75 76 76 77 76 75 73 69 66 63 62 60 58 57 55 53 52 51 51 57 64 Temperature(F)
TSD 1 1 2 1 1 1 2 2 2 2 2 2 2 1 1 1 1 1 1 1 2 2 2 1 1 SD of temp(F)
DPT 58 58 58 57 55 54 54 54 54 54 54 54 54 54 54 54 54 53 53 52 52 51 51 54 56 Dew point temp(F)
DSD 1 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 Dew point temp SD(F)
WBG 63 65 67 69 70 70 70 68 69 67 66 62 61 59 58 57 56 55 54 52 52 50 51 56 61 Wet bulb temp(F)
SKY 13 7 6 7 2 3 4 5 3 3 5 5 15 10 4 5 10 9 19 22 34 48 61 31 17 Sky cover(%)
SSD 12 9 9 24 2 3 4 4 3 4 6 5 19 7 4 5 12 7 28 35 34 36 24 34 29 Sky cover SD(%)
WDR 29 29 29 29 29 29 29 28 28 28 28 27 26 26 26 25 25 26 28 28 28 26 27 29 29 Wind dir (deg)
WSP 8 10 11 12 13 13 13 12 12 10 8 6 5 5 4 4 4 3 3 3 3 3 3 4 5 Wind spd (kts)
WSD 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 1 1 1 1 1 1 1 1 1 1 Wind spd SD(kts)
GST 15 18 20 22 24 24 24 23 22 19 16 14 12 10 9 9 8 7 7 7 7 8 8 10 11 Wind gust(kts)
GSD 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 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 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 88 83 79 76 75 76 78 79 81 82 83 83 83 83 83 83 82 82 82 82 81 81 81 81 81 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 -88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88-88150-88-88 Ceiling height*
MVC 2 2 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 1 3 7 9 9 8 6 5 Prob cig<=3000ft(%) MVFR
IFC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 2 2 2 2 2 Prob cig<1000ft(%) IFR
LIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 2 2 1 Prob cig<500ft(%) LIFR
LCB 200160190100180230270270270270210180180210210270250260140250260250150240240 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
MVV 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<=5mi(%) MVFR
IFV 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<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 24 28 32 39 43 46 48 48 48 45 35 15 5 5 4 4 4 4 4 4 4 4 4 11 16 MixHgt 100s feet AGL
TWD 27 27 27 27 27 27 27 27 28 28 28 28 28 27 27 27 27 27 27 27 27 27 27 27 28 Transport wind dir
TWS 15 16 17 17 18 19 18 19 18 18 17 13 11 10 10 10 10 10 9 9 9 9 9 10 10 Transport wind spd(kts)
SOL 35 48 61 80 84 82 76 65 51 29 13 3 2 2 2 0 0 0 0 0 0 0 3 17 33 Solar rad (10s W/m2)
3-HOURLY TO 60 HOURS:
K4S2 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 51 78 50 71 48 Max/Min Temp(F)
XND 3 2 2 3 4 SD of max/min temps(F)
TMP 76 76 69 62 57 52 57 72 77 76 68 61 56 52 55 64 69 69 62 55 51 48 51 Temperature(F)
TSD 1 2 2 1 1 2 1 1 2 2 2 1 2 2 2 3 2 3 2 2 2 2 2 SD of temp(F)
DPT 54 54 54 54 53 52 54 57 55 54 51 52 52 50 52 54 52 52 49 49 49 48 50 Dew point temp(F)
DSD 2 2 2 1 1 1 1 1 2 2 2 1 1 2 1 2 3 2 2 1 1 2 2 Dew point temp SD(F)
WBG 70 69 62 58 55 52 56 67 71 68 62 57 54 52 54 62 65 62 57 53 50 47 50 Wet bulb temp(F)
SKY 3 3 5 4 9 34 31 6 0 3 3 6 16 31 17 17 10 10 10 11 18 32 18 Sky cover(%)
SSD 3 3 5 4 7 34 34 22 0 2 3 5 11 33 35 16 11 8 9 10 13 21 15 Sky cover SD(%)
WDR 29 28 27 26 26 28 29 29 29 28 27 27 27 27 27 27 28 28 28 27 26 26 27 Wind dir (deg)
WSP 13 12 6 4 3 3 4 8 11 12 8 7 6 7 8 12 13 12 7 5 4 4 4 Wind spd (kts)
WSD 2 2 2 2 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Wind spd SD(kts)
GST 24 22 14 9 7 7 10 15 21 22 17 14 13 15 17 22 23 22 14 10 8 8 10 Wind gust(kts)
GSD 3 3 3 3 2 2 2 3 3 3 3 3 3 4 3 3 3 3 3 3 3 3 4 Wind gust SD(kts)
P06 0 0 0 0 0 0 0 0 5 3 0 6-hr PoP(%)
P12 0 0 0 4 3 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 1 1 0 0 0 0 0 0 3-hr Tstm prob(%)
T06 0 0 0 0 0 0 1 2 3 1 0 6-hr Tstm prob(%)
T12 0 0 1 3 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 76 81 83 83 82 81 81 81 81 81 80 79 76 73 68 66 65 69 73 71 68 67 68 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 1 0 2 2 0 0 0 0 0 3 5 5 3 0 0 0 1 4 5 2 Prob cig<1000ft(%) IFR
LCB 230270180210260260240230250270270 30 80110 28 33 90120230240210 8 21 Lowest cloud base*
VIS 100100100100100100100100100100100100100100100100100100100100100100100 Visibility*
IFV 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 0 0 0 0 0 4 2 2 Prob vsby<3mi(%) IFR
MHT 46 48 15 4 4 4 11 28 39 41 17 3 4 4 20 42 56 55 21 5 5 5 13 MixHgt 100s feet AGL
TWD 27 28 28 27 27 27 27 28 27 27 28 27 27 27 27 28 28 28 28 26 27 27 27 Transport wind dir
TWS 19 18 13 10 10 9 10 11 15 18 14 11 11 12 15 16 19 19 15 11 10 10 10 Transport wind spd(kts)
SOL 82 51 3 2 0 0 17 58 82 53 5 2 0 0 14 43 75 56 18 9 0 0 4 Solar rad (10s W/m2)
DAILY TO 7 DAYS:
K4S2 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 51| 78 50| 71 48| 76 50| 81 54| 75 52| 71 51| 71 49 50 80 Max/Min Temp(F)
XND 3| 2 2| 3 4| 4 3| 3 3| 5 3| 6 3| 8 5 SD of max/min temps(F)
TMP 52| 76 52| 69 48| 74 50| 78 54| 72 53| 68 53| 69 52 Temperature(F)
TSD 2| 2 2| 3 2| 4 2| 4 3| 5 3| 7 3| 8 4 SD of temp(F)
DPT 52| 54 50| 52 48| 50 45| 51 51| 56 52| 56 51| 55 49 Dew point temp(F)
DSD 1| 2 2| 2 2| 3 3| 4 3| 3 2| 4 3| 5 3 Dew point temp SD(F)
WBG 52| 68 52| 62 47| 66 48| 68 52| 66 52| 64 52| 64 50 Wet bulb temp(F)
SKY 34| 3 31| 10 32| 19 28| 27 56| 32 57| 34 60| 33 34 Sky cover(%)
SSD 34| 2 33| 8 21| 25 26| 28 31| 22 34| 24 29| 29 22 Sky cover SD(%)
WDR 28| 28 27| 28 26| 28 27| 28 27| 28 27| 28 27| 28 27 Wind dir (deg)
WSP 3| 12 7| 12 4| 7 1| 8 4| 11 3| 8 2| 8 2 Wind spd (kts)
WSD 1| 2 2| 2 2| 2 1| 3 2| 2 2| 4 2| 3 3 Wind spd SD(kts)
GST 7| 22 15| 22 8| 14 4| 15 9| 22 7| 17 6| 16 6 Wind gust(kts)
GSD 2| 3 4| 3 3| 4 2| 6 3| 4 5| 7 5| 7 5 Wind gust SD(kts)
P12 0| 0 0| 4 3| 0 1| 0 7| 18 22| 36 47| 47 28 -99-99 12-hr PoP(%)
Q12 0| 0 0| 0 0| 0 0| 0 0| 0 0| 6 11| 16 7 12-hr QPF(.01in)
Q24 | 0| 0| 0| 0| 0| 17| 23 12 24-hr QPF(.01in)
DUR 0| 0 0| 0 0| 0 0| 0 0| 0 0| 2 3| 4 3 Duration of precip(hrs)
T12 0| 0 1| 3 1| 0 1| 1 3| 7 6| 6 7| 11 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| 0 0| 0 0| 0 1| 2 6| 17 24| 40 40| 48 16 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 81| 81 73| 69 67| 85 87| 95 90| 87 83| 85 78| 81 75 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| 50 2| 47 7| 45 7| 40 4| 17 6| 26 3| 12 1 Solar rad (10s W/m2)
DAY 8, 9 AND 10:
K4S2 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 73 50| 76 53| 78 54 Max/Min Temp(F)
XND 9 6| 8 4| 7 4 SD of max/min temps(F)
TMP 72 53| 74 54| 76 55 Temperature(F)
TSD 9 5| 8 4| 8 4 SD of temp(F)
DPT 54 47| 53 47| 53 47 Dew point temp(F)
DSD 4 5| 6 6| 7 7 Dew point temp SD(F)
WBG 65 51| 67 51| 67 52 Wet bulb temp(F)
SKY 21 31| 26 30| 20 33 Sky cover(%)
SSD 19 23| 14 15| 9 15 Sky cover SD(%)
WDR 28 27| 29 29| 30 27 Wind dir (deg)
WSP 6 2| 6 2| 6 3 Wind spd (kts)
WSD 3 2| 3 3| 3 3 Wind spd SD(kts)
GST 13 5| 12 6| 13 7 Wind gust(kts)
GSD 7 4| 6 5| 6 5 Wind gust SD(kts)
P12 28 18| 16 19| 19 13 12-hr PoP(%)
Q12 2 1| 0 2| 1 0 12-hr QPF(.01in)
Q24 3| 2| 1 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 27 19| 16 13| 17 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 81 78| 85 80| 86 86 Snow level 100s feet MSL
I12 0 0| 0 0| 0 0 12-hr ice(1/100in)
SOL 13 13| 21 10| 25 18 Solar rad (10s W/m2)
STANDARD DEVIATION AND THRESHOLD PROBABILITIES:
K4S2 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 53| 78 52| 71 48| 76 50| 81 54| 75 52| 71 51| 71 49| 73 50| 73 Mean min/max temp(F)
TXNSD 3| 2 2| 3 4| 4 3| 3 3| 5 3| 6 3| 8 5| 9 6| 9 SD min/max temp(F)
TXNP1 50| 76 50| 67 44| 69 45| 77 50| 68 47| 62 46| 61 43| 62 43| 62 10th percentile min/max temp(F)
TXNP2 51| 77 51| 68 45| 73 47| 78 52| 73 50| 67 50| 64 45| 65 45| 65 25th percentile min/max temp(F)
TXNP5 52| 78 52| 72 47| 77 50| 80 54| 76 52| 72 52| 68 50| 74 51| 74 50th percentile min/max temp(F)
TXNP7 55| 79 54| 73 52| 79 53| 83 56| 79 54| 75 53| 76 53| 81 53| 81 75th percentile min/max temp(F)
TXNP9 56| 81 55| 74 53| 81 54| 86 58| 81 55| 79 54| 82 55| 84 57| 84 90th percentile min/max temp(F)
WSPP1 2| 10 4| 10 2| 5 1| 3 2| 8 1| 2 1| 3 1| 3 1| 2 10th percentile wnd(kts)
WSPP2 3| 11 5| 10 3| 6 1| 4 3| 9 2| 5 1| 5 1| 4 1| 4 25th percentile wnd(kts)
WSPP5 3| 12 6| 11 4| 7 2| 8 4| 10 3| 8 2| 7 3| 6 2| 6 50th percentile wnd(kts)
WSPP7 4| 13 7| 13 5| 9 2| 10 5| 12 4| 10 4| 10 4| 9 3| 9 75th percentile wnd(kts)
WSPP9 4| 14 9| 14 5| 11 3| 12 6| 13 7| 12 5| 12 6| 11 5| 11 90th percentile wnd(kts)
W24P1 | 12 | 12 | 12 | 7 | 7 | 10 | 5 | 6 | 6 10th percentile 24hr sustained wnd exceedance(kts)
W24P2 | 14 | 13 | 13 | 8 | 8 | 12 | 8 | 8 | 8 25th percentile 24hr sustained wnd exceedance(kts)
W24P5 | 15 | 15 | 15 | 10 | 10 | 13 | 11 | 10 | 10 50th percentile 24hr sustained wnd exceedance(kts)
W24P7 | 16 | 16 | 16 | 11 | 13 | 15 | 13 | 13 | 13 75th percentile 24hr sustained wnd exceedance(kts)
W24P9 | 17 | 18 | 17 | 14 | 16 | 17 | 16 | 16 | 15 90th percentile 24hr sustained wnd exceedance(kts)
G24P1 | 22 | 22 | 23 | 13 | 14 | 19 | 13 | 12 | 12 10th percentile 24hr wnd gust exceedance(kts)
G24P2 | 25 | 24 | 24 | 15 | 16 | 22 | 17 | 17 | 15 25th percentile 24hr wnd gust exceedance(kts)
G24P5 | 26 | 26 | 26 | 18 | 20 | 25 | 22 | 20 | 19 50th percentile 24hr wnd gust exceedance(kts)
G24P7 | 28 | 28 | 28 | 21 | 23 | 28 | 26 | 26 | 24 75th percentile 24hr wnd gust exceedance(kts)
G24P9 | 30 | 30 | 30 | 25 | 28 | 30 | 29 | 32 | 28 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| 3| 0| 0| 50th percentile 24hr QPF(1/100in)
Q24P7 | 0| 0| 0| 0| 0| 31| 35| 6| 75th percentile 24hr QPF(1/100in)
Q24P9 | 0| 0| 0| 0| 10| 66| 81| 34| 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 017|012 016|014 016|010 011|006 010|008 013|010 012|012 013|012 014|011 10th percentile MSLP(mb)
SLPP2 017|012 017|014 018|012 012|008 012|010 014|013 015|013 015|014 015|013 25th percentile MSLP(mb)
SLPP5 017|013 017|015 019|013 013|009 013|011 016|014 018|015 017|016 018|015 50th percentile MSLP(mb)
SLPP7 018|014 018|016 020|015 016|010 014|013 017|016 020|018 021|018 020|017 75th percentile MSLP(mb)
SLPP9 018|014 018|017 020|017 017|011 015|014 018|017 022|020 023|019 022|018 90th percentile MSLP(mb)