GFS and NAM MOS Compare

KCVG GFS MOS GUIDANCE 5/16/2022 0000 UTC
KCVG NAM MOS GUIDANCE 5/16/2022 0000 UTC


Date/Time
UTC
5/16
06:00
Mon
5/16
09:00
Mon
5/16
12:00
Mon
5/16
15:00
Mon
5/16
18:00
Mon
5/16
21:00
Mon
5/17
00:00
Tue
5/17
03:00
Tue
5/17
06:00
Tue
5/17
09:00
Tue
5/17
12:00
Tue
5/17
15:00
Tue
5/17
18:00
Tue
5/17
21:00
Tue
5/18
00:00
Wed
5/18
03:00
Wed
5/18
06:00
Wed
5/18
09:00
Wed
5/18
12:00
Wed
5/18
18:00
Wed
5/19
00:00
Thu
Date/Time
Local
5/16
02:00
Mon
5/16
05:00
Mon
5/16
08:00
Mon
5/16
11:00
Mon
5/16
14:00
Mon
5/16
17:00
Mon
5/16
20:00
Mon
5/16
23:00
Mon
5/17
02:00
Tue
5/17
05:00
Tue
5/17
08:00
Tue
5/17
11:00
Tue
5/17
14:00
Tue
5/17
17:00
Tue
5/17
20:00
Tue
5/17
23:00
Tue
5/18
02:00
Wed
5/18
05:00
Wed
5/18
08:00
Wed
5/18
14:00
Wed
5/18
20:00
Wed
GFS-X/N 75 53 79 58 76
NAM-X/N 75 53 77 55 70
GFS-TMP676462677173696158565870767773656260617272
NAM-TMP676361667172686359565768747571626057586664
GFS-DPT565554534946454748485051515052535454556163
NAM-DPT575655545047464646464849484849515151535759
GFS-CLDOVOVOVSCBKBKSCFWCLCLSCFWBKBKBKSCSCSCBKOVOV
NAM-CLDOVOVOVOVSCBKSCFWFWCLCLFWSCSCBKBKOVOVOVOVOV
GFS-WDR333131313030282426272828272824171716162125
NAM-WDR323433332930292526262931313129061009111816
GFS-WSP080508091210060303020205070805030306111311
NAM-WSP071208090912080404030306100606040305070705
GFS-P06 51 4 0 0 0 0 5 1 45447
NAM-P06 65 2 0 0 2 0 0 6 334655
GFS-P12 4 2 5 7 68
NAM-P12 2 2 0 44 64
GFS-Q06 1 0 0 0 0 0 0 0 0 2 1
NAM-Q06 2 0 0 0 0 0 0 0 0 1 2
GFS-Q12 0 0 0 0 2
NAM-Q12 0 0 0 1 2
GFS-T06 16/ 3 3/ 4 6/14 1/ 4 1/ 0 2/ 2 5/ 9 2/ 2 5/ 5 32/20
NAM-T06 28/ 4 1/ 2 6/11 1/ 7 0/ 3 1/ 6 5/13 4/ 7 7/ 7 22/14
GFS-T12 16/ 5 6/14 2/ 6 5/10 28/ 9
NAM-T12 28/ 4 6/11 1/ 6 6/13 7/ 7
GFS-POZ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
NAM-POZ 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
GFS-POS 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
NAM-POS 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 3 0 0
GFS-TYP R R R R R R R R R R R R R R R R R R R R R
NAM-TYP R R R R R R R R R R R R R R R R R R R R R
GFS-SNW 0 0
NAM-SNW 0 0
GFS-CIG 7 3 4 8 8 8 8 8 8 8 8 8 7 8 8 8 8 8 8 5 6
NAM-CIG 7 4 3 5 8 7 8 8 8 8 8 8 8 8 8 8 7 6 7 3 4
GFS-VIS 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
NAM-VIS 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 4 3
GFS-OBV N N N N N N N N N N N N N N N N N N N N N
NAM-OBV N N N N N N N N N N N N N N N 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.


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