GFS and NAM MOS Compare

KCVG GFS MOS GUIDANCE 6/24/2019 0000 UTC
KCVG NAM MOS GUIDANCE 6/24/2019 0000 UTC


Date/Time
UTC
6/24
06:00
Mon
6/24
09:00
Mon
6/24
12:00
Mon
6/24
15:00
Mon
6/24
18:00
Mon
6/24
21:00
Mon
6/25
00:00
Tue
6/25
03:00
Tue
6/25
06:00
Tue
6/25
09:00
Tue
6/25
12:00
Tue
6/25
15:00
Tue
6/25
18:00
Tue
6/25
21:00
Tue
6/26
00:00
Wed
6/26
03:00
Wed
6/26
06:00
Wed
6/26
09:00
Wed
6/26
12:00
Wed
6/26
18:00
Wed
6/27
00:00
Thu
Date/Time
Local
6/24
02:00
Mon
6/24
05:00
Mon
6/24
08:00
Mon
6/24
11:00
Mon
6/24
14:00
Mon
6/24
17:00
Mon
6/24
20:00
Mon
6/24
23:00
Mon
6/25
02:00
Tue
6/25
05:00
Tue
6/25
08:00
Tue
6/25
11:00
Tue
6/25
14:00
Tue
6/25
17:00
Tue
6/25
20:00
Tue
6/25
23:00
Tue
6/26
02:00
Wed
6/26
05:00
Wed
6/26
08:00
Wed
6/26
14:00
Wed
6/26
20:00
Wed
GFS-X/N 77 61 82 66 84
NAM-X/N 78 63 84 66 85
GFS-TMP696870727374736866646574798078716968708078
NAM-TMP696870727575726967656776818278747168708278
GFS-DPT666566676766656463616262616061616262646867
NAM-DPT696868686969686463626263626262616161646565
GFS-CLDOVOVOVOVOVOVBKSCSCCLFWSCSCSCSCSCFWSCBKBKOV
NAM-CLDOVOVOVOVOVOVBKBKSCFWFWSCBKBKSCSCSCCLSCBKBK
GFS-WDR161921202324232324232326262522202021212224
NAM-WDR171921221818282525252527282826202020202224
GFS-WSP130910081008090808040711111206050606050905
NAM-WSP100808081009110806060610120905030404061005
GFS-P06 38 59 44 15 3 1 2 0 91530
NAM-P06 19 41 68 7 6 5 3 4 511 6
GFS-P12 89 15 4 9 44
NAM-P12 80 12 9 14 11
GFS-Q06 1 1 1 0 0 0 0 0 0 0 0
NAM-Q06 0 1 5 0 0 0 0 0 0 0 0
GFS-Q12 2 0 0 0 1
NAM-Q12 5 0 0 0 0
GFS-T06 23/ 0 18/ 5 24/ 6 8/ 8 0/ 1 1/ 3 9/13 7/ 6 10/ 2 53/23
NAM-T06 12/ 3 18/11 39/21 1/ 5 0/ 5 3/ 5 17/23 16/ 8 5/ 2 18/19
GFS-T12 34/10 24/15 1/ 5 9/13 21/ 8
NAM-T12 23/11 39/21 3/ 7 22/23 14/ 7
GFS-CIG 8 8 7 6 4 6 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
NAM-CIG 7 6 5 5 6 3 8 6 8 8 8 8 7 8 8 8 8 8 8 8 8
GFS-VIS 7 7 7 6 5 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
NAM-VIS 7 7 7 7 7 4 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
GFS-OBV N N N NBR N N N N N N N N N N N N N N N N
NAM-OBV N N N N NBR N N N N N N N N N N N N N N N

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.


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