GFS and NAM MOS Compare

KCVG GFS MOS GUIDANCE 10/15/2019 1800 UTC
KCVG NAM MOS GUIDANCE 10/15/2019 1200 UTC


Date/Time
UTC
10/15
18:00
Tue
10/15
21:00
Tue
10/16
00:00
Wed
10/16
03:00
Wed
10/16
06:00
Wed
10/16
09:00
Wed
10/16
12:00
Wed
10/16
15:00
Wed
10/16
18:00
Wed
10/16
21:00
Wed
10/17
00:00
Thu
10/17
03:00
Thu
10/17
06:00
Thu
10/17
09:00
Thu
10/17
12:00
Thu
10/17
15:00
Thu
10/17
18:00
Thu
10/17
21:00
Thu
10/18
00:00
Fri
10/18
03:00
Fri
10/18
06:00
Fri
10/18
12:00
Fri
10/18
18:00
Fri
Date/Time
Local
10/15
14:00
Tue
10/15
17:00
Tue
10/15
20:00
Tue
10/15
23:00
Tue
10/16
02:00
Wed
10/16
05:00
Wed
10/16
08:00
Wed
10/16
11:00
Wed
10/16
14:00
Wed
10/16
17:00
Wed
10/16
20:00
Wed
10/16
23:00
Wed
10/17
02:00
Thu
10/17
05:00
Thu
10/17
08:00
Thu
10/17
11:00
Thu
10/17
14:00
Thu
10/17
17:00
Thu
10/17
20:00
Thu
10/17
23:00
Thu
10/18
02:00
Fri
10/18
08:00
Fri
10/18
14:00
Fri
GFS-N/X---- 48 53 39 57 39
NAM-N/X 46 51 38 55-- 36--
GFS-TMP----696561555048505046444442424954555046434161
NAM-TMP67716862585347464948444442414147515248--4138--
GFS-DPT----535554494440393736353535363737373838373740
NAM-DPT45495355514641383837353535353536363534--3333--
GFS-CLD----BKOVOVOVOVOVOVOVOVOVFWFWSCFWSCFWCLCLCLCLCL
NAM-CLDFWBKBKOVOVOVOVOVOVOVOVOVBKBKOVBKBKBKSC--CLFW--
GFS-WDR----192026302930292930292829293130303132340414
NAM-WDR16191820233030302829292828292930302930--3134--
GFS-WSP----070811141316151512100808060910090503020205
NAM-WSP09100607081312141214121110090711121306--0404--
GFS-P06---- 49 81 0 0 0 0 0 0 0 1 3
NAM-P06 0 38 85 6 0 0 0 0 0-- 0 0--
GFS-P12---- 00 1 0 0 3
NAM-P12 85 6 0 1-- 0--
GFS-Q06---- 1 2 0 0 0 0 0 0 0 0 0
NAM-Q06 0 0 2 0 0 0 0 0 0-- 0 0--
GFS-Q12---- 2 0 0 0 0
NAM-Q12 3 0 0 0-- 0--
GFS-T06---- 40/14 21/ 0 1/ 3 0/ 0 0/ 0 1/ 0 1/ 0 0/ 0 0/ 0 0/ 0
NAM-T06 0/ 7 21/14 23/ 0 0/ 2 0/ 2 0/ 8 0/ 0 0/ 3 0/ 7-- 0/ 1--
GFS-T12---- 21/ 3 0/ 6 3/ 2 0/ 0 0/ 1
NAM-T12 21/14 23/ 2 0/ 8 1/ 3 -- 0/ 7 --
GFS-POZ---- 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
NAM-POZ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0-- 1 2--
GFS-POS---- 0 0 0 0 0 6 2 01921201112 3 6 0 1 1 1 0 0
NAM-POS 0 0 0 0 0 2 1 3 5 4 415 5 2 2 2 2 4 4-- 014--
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 -- 0--
GFS-CIG---- 8 7 5 5 8 6 6 6 6 6 8 8 8 8 8 8 8 8 8 8 8
NAM-CIG 8 8 8 6 5 3 5 5 5 6 6 6 6 6 7 8 6 7 8-- 8 8--
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 5 7 7 7 7 7 7 7 7 7 7 7 7 7-- 7 7--
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 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.


3,034 Page Views