GFS and NAM MOS Compare

KCVG GFS MOS GUIDANCE 7/21/2024 1200 UTC
KCVG NAM MOS GUIDANCE 7/21/2024 1200 UTC


Date/Time
UTC
7/21
18:00
Sun
7/21
21:00
Sun
7/22
00:00
Mon
7/22
03:00
Mon
7/22
06:00
Mon
7/22
09:00
Mon
7/22
12:00
Mon
7/22
15:00
Mon
7/22
18:00
Mon
7/22
21:00
Mon
7/23
00:00
Tue
7/23
03:00
Tue
7/23
06:00
Tue
7/23
09:00
Tue
7/23
12:00
Tue
7/23
15:00
Tue
7/23
18:00
Tue
7/23
21:00
Tue
7/24
00:00
Wed
7/24
06:00
Wed
7/24
12:00
Wed
Date/Time
Local
7/21
14:00
Sun
7/21
17:00
Sun
7/21
20:00
Sun
7/21
23:00
Sun
7/22
02:00
Mon
7/22
05:00
Mon
7/22
08:00
Mon
7/22
11:00
Mon
7/22
14:00
Mon
7/22
17:00
Mon
7/22
20:00
Mon
7/22
23:00
Mon
7/23
02:00
Tue
7/23
05:00
Tue
7/23
08:00
Tue
7/23
11:00
Tue
7/23
14:00
Tue
7/23
17:00
Tue
7/23
20:00
Tue
7/24
02:00
Wed
7/24
08:00
Wed
GFS-N/X 67 85 67 79 64
NAM-N/X 66 86 67 83 67
GFS-TMP818480747169697682847974716970767675736666
NAM-TMP838480726968697883837973706970768080756969
GFS-DPT606061616262636463626363646465666666656464
NAM-DPT595960626262636364656666666668696868676666
GFS-CLDOVOVOVOVOVOVOVOVBKBKBKBKBKSCBKBKOVOVOVOVBK
NAM-CLDOVOVOVOVOVOVOVOVOVOVBKOVBKOVOVOVOVOVBKOVOV
GFS-WDR070505050607070707151014161617212119182122
NAM-WDR060205050504041034040611161419182019171922
GFS-WSP050607060604020405030503030303050708050404
NAM-WSP050506050403030303050503020102030506040303
GFS-P06 6 24 47 20 33 34 30 29 482818
NAM-P06 7 3 15 14 37 35 15 35 352215
GFS-P12 54 37 50 74 35
NAM-P12 16 54 48 51 31
GFS-Q06 0 0 1 0 0 0 0 0 1 0 0
NAM-Q06 0 0 0 0 0 0 0 0 0 0 0
GFS-Q12 1 0 1 3 0
NAM-Q12 0 1 1 1 0
GFS-T06 17/ 3 16/ 2 19/ 1 7/ 4 27/13 17/ 7 9/ 3 16/ 3 21/10 4/ 1
NAM-T06 16/ 6 7/ 3 10/ 2 11/ 4 42/15 29/ 8 4/ 3 18/ 7 38/17 5/ 2
GFS-T12 24/10 21/ 5 34/13 23/ 4 23/12
NAM-T12 20/10 15/ 4 50/15 23/ 7 47/17
GFS-CIG 8 7 8 8 8 7 7 7 7 7 8 8 8 8 8 8 6 6 6 6 7
NAM-CIG 8 8 8 8 7 7 7 7 7 7 7 8 8 8 7 7 6 6 8 8 6
GFS-VIS 7 7 7 7 7 7 5 7 7 7 7 7 7 6 5 7 7 5 6 5 5
NAM-VIS 7 7 7 7 7 7 7 7 7 7 7 7 6 5 3 7 7 7 7 5 4
GFS-OBV N N N N N NBR N N N N N NBRBR N NHZ NBRBR
NAM-OBV N N N N N N N N N N N NBRBRBR N N N NBRBR

Entries of "--" indicate that the current model run does not include forecast data for the time period.


Descriptions of MOS Elements

Definitions of Categorical Elements

QPF Categories
0 no precipitation
1 0.01 to 0.09 inches
2 0.10 to 0.24 inches
3 0.25 to 0.49 inches
4 0.50 to 0.99 inches
5 1.00 to 1.99 inches
6 2.00 inches or greater
Snow Fall Amount Categories
0 no snow or a trace expected
1 > a trace to < 2 inches
2 2 to < 4 inches
4 4 to < 6 inches
6 6 to < 8 inches
8 > = 8 inches
Visibility (VIS) Categories
1 < 1/2 miles
2 1/2 - < 1 miles
3 1 - < 2 miles
4 2 - < 3 miles
5 3 - 5 miles
6 6 miles
7 > 6 miles
Ceiling Height (CIG) Categories
1 < 200 feet
2 200 - 400 feet
3 500 - 900 feet
4 1000 - 1900 feet
5 2000 - 3000 feet
6 3100 - 6500 feet
7 6600 - 12,000 feet
8 > 12,000 feet
Cloud (CLD) Categories
CL clear
FW > 0 to 2 octas of total sky cover
SC > 2 to 4 octas of total sky cover
BK > 4 to < 8 octas of total sky cover
OV 8 octas of total sky cover or totally obscured
Precipitation Type (TYP) Categories
S pure snow or snow grains
Z freezing rain/drizzle, ice pellets, or
anything mixed with freezing precip
R pure rain/drizzle or rain mixed with snow
MAV Obstruction to Vision (OBV) Categories
N none of the following
HZ haze, smoke, dust
BR mist (fog with visibility >= 5/8 mile)
FG fog or ground fog (visibility < 5/8 mile)
BL blowing dust, sand, snow

MOS element descriptions and definitions are adapted from the NWS Meteorological Development Laboratory's web site.


7,270 Views