Return to NAM vs RTMA analysis comparison info page
| 00h | 03h | 06h | 09h |
| 12h | 15h | 18h | 21h |
| 24h | 27h | 30h | 33h |
| 36h | 39h | 42h | 45h |
| 48h | 51h | 54h | 57h |
| 60h | 63h | 66h | 69h |
| 72h | 75h | 78h | 81h |
| 84h |
| East CONUS |
West CONUS |
|
|---|---|---|
| NAM | X | X |
| NDAS | X | X |
| NAM,NDAS | X | X |
| NAM-NDAS | X | X |
| 00h | 03h | 06h | 09h |
| 12h | 15h | 18h | 21h |
| 24h | 27h | 30h | 33h |
| 36h | 39h | 42h | 45h |
| 48h | 51h | 54h | 57h |
| 60h | 63h | 66h | 69h |
| 72h | 75h | 78h | 81h |
| 84h |
| East CONUS |
West CONUS |
|
|---|---|---|
| NAM | X | X |
| NDAS | X | X |
| NAM,NDAS | X | X |
| RAOBS | X | X |
| NAM, RAOBS | X | X |
| NAM-NDAS Temp | X | X |
| 00h | 03h | 06h | 09h |
| 12h | 15h | 18h | 21h |
| 24h | 27h | 30h | 33h |
| 36h | 39h | 42h | 45h |
| 48h | 51h | 54h | 57h |
| 60h | 63h | 66h | 69h |
| 72h | 75h | 78h | 81h |
| 84h |
| East CONUS |
West CONUS |
|
|---|---|---|
| NAM | X | X |
| NDAS | X | X |
| RAOBS | X | X |
| NAM, RAOBS | X | X |
| NAM,NDAS | X | X |
| NAM-NDAS | X | X |
| 00h | 03h | 06h | 09h |
| 12h | 15h | 18h | 21h |
| 24h | 27h | 30h | 33h |
| 36h | 39h | 42h | 45h |
| 48h | 51h | 54h | 57h |
| 60h | 63h | 66h | 69h |
| 72h | 75h | 78h | 81h |
| 84h |
| East CONUS |
West CONUS |
|
|---|---|---|
| NAM | X | X |
| NDAS | X | X |
| RAOBS | X | X |
| NAM, RAOBS | X | X |
| NAM,NDAS | X | X |
| NAM-NDAS (PW difference) | X | X |
| 00h | 03h | 06h | 09h |
| 12h | 15h | 18h | 21h |
| 24h | 27h | 30h | 33h |
| 36h | 39h | 42h | 45h |
| 48h | 51h | 54h | 57h |
| 60h | 63h | 66h | 69h |
| 72h | 75h | 78h | 81h |
| 84h |
| East CONUS |
West CONUS |
|
|---|---|---|
| NAM | X | X |
| NDAS | X | X |
| RAOBS | X | X |
| NAM, RAOBS | X | X |
| NAM,NDAS | X | X |
| NAM-NDAS | X | X |
* NDAS forecast component has 5x more diveregnce damping applied then the NAM
free forecast, thus the NDAS vertical motions would be expected to be weaker than those in
the NAM forecast
00h
03h
06h
09h
12h
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60h
63h
66h
69h
72h
75h
78h
81h
84h
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
RAOBS
X
X
NAM, RAOBS
X
X
NAM,NDAS
X
X
NAM-NDAS
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
RAOBS
X
X
NAM, RAOBS
X
X
NAM,NDAS
X
X
1000-
500 mb1000-
850 mb850-
700 mb700-
500 mb
NAM
East
WestEast
WestEast
WestEast
West
NDAS
East
WestEast
WestEast
WestEast
West
NAM,NDAS
East
WestEast
WestEast
WestEast
West
NAM-NDAS
East
WestEast
WestEast
WestEast
West
East
CONUSWest
CONUS
NAM
X
X
Stage II
X
X
NAM,Stage II
X
X
East
CONUSWest
CONUS
NAM
X
X
Stage IV
X
X
NAM,Stage IV
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
East
CONUSWest
CONUS
NAM
X
X
NDAS
X
X
NAM, NDAS
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
East
CONUSWest
CONUS
NAM
X
X
RTMA
X
X
Obs
X
X
NAM,Obs
X
X
NAM,RTMA
X
X
NAM-RTMA
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
NAM
RTMA
Obs
Northeast
X
X
X
Southeast
X
X
X
North Central
X
X
X
South Central
X
X
X
Northwest
X
X
X
Southwest
X
X
X
NAM,
RTMANAM,
ObsNAM-RTMA
Northeast
X
X
X
Southeast
X
X
X
North Central
X
X
X
South Central
X
X
X
Northwest
X
X
X
Southwest
X
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
East
CONUSWest
CONUS
NAM
X
X
RTMA
X
X
Obs
X
X
NAM,Obs
X
X
NAM,RTMA
X
X
NAM-RTMA
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
NAM
RTMA
Obs
Northeast
X
X
X
Southeast
X
X
X
North Central
X
X
X
South Central
X
X
X
Northwest
X
X
X
Southwest
X
X
X
NAM,
RTMANAM,
ObsNAM-RTMA
Northeast
X
X
X
Southeast
X
X
X
North Central
X
X
X
South Central
X
X
X
Northwest
X
X
X
Southwest
X
X
X
Observed Weather
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
Observed Weather
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
Observed Weather
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
NAM
Obs
NAM,
Obs
Northeast
X
X
X
Southeast
X
X
X
North Central
X
X
X
South Central
X
X
X
Northwest
X
X
X
Southwest
X
X
X
NAM
Obs
NAM,
Obs
Northeast
X
X
X
Southeast
X
X
X
North Central
X
X
X
South Central
X
X
X
Northwest
X
X
X
Southwest
X
X
X
NAM
Obs
NAM,
Obs
Northeast
X
X
X
Southeast
X
X
X
North Central
X
X
X
South Central
X
X
X
Northwest
X
X
X
Southwest
X
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
NAM East
CONUSNDAS East
CONUSEast
CONUS
Best CAPE
X
X
X
Best CIN
X
X
X
Best LI
X
X
X
NAM West
CONUSNDAS West
CONUSWest
CONUS
Best CAPE
X
X
X
Best CIN
X
X
X
Best LI
X
X
X
RAOBS East
CONUSNAM, RAOBS East
CONUS
Best CAPE
X
X
Best CIN
X
X
Best LI
X
X
RAOBS West
CONUSNAM, RAOBS West
CONUS
Best CAPE
X
X
Best CIN
X
X
Best LI
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
NAM
RTMA
Obs
Northeast
X
X
X
Southeast
X
X
X
North Central
X
X
X
South Central
X
X
X
Northwest
X
X
X
Southwest
X
X
X
NAM,
RTMANAM,
Obs
Northeast
X
X
Southeast
X
X
North Central
X
X
South Central
X
X
Northwest
X
X
Southwest
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
NAM
RTMA
Obs
NAM,
RTMANAM,
Obs
New England 2-m Temp
X
X
X
X
X
New England 10-m Wind
X
X
X
X
X
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
00h
03h
06h
09h
12h
15h
18h
21h
24h
27h
30h
33h
36h
39h
42h
45h
48h
51h
54h
57h
60h
63h
66h
69h
72h
75h
78h
81h
84h
NAM
RTMA
Obs
NAM,
RTMANAM,
Obs
Chesapeake Bay
X
X
X
X
X
Lake Erie/Ontario
X
X
X
X
X
Lake Michigan
X
X
X
X
X
Lake Superior
X
X
X
X
X
Great Salt Lake
X
X
X
X
X
Pacific Northwest
X
X
X
X
X
Central California Coast
X
X
X
X
X