Point Forecast Matrices
Issued by NWS Des Moines, IA

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
459 AM CDT FRI SEP 4 2015

IAZ060-042200-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      91          72          91          74          91
TEMP             72 83 90 91 86 78 76 73 73 83 89 91 86 79 78 75 76 86 91 90 88
DEWPT            67 70 71 71 71 69 68 68 67 70 71 70 70 71 70 69 68 70 72 72 71
RH               84 65 54 52 61 74 76 84 81 65 56 50 59 77 76 82 76 59 54 56 57
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD          5  9 13 12  9  6  6  6  6 10 13 13 10  8  9  8 10 13 16 16 11
CLOUDS           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2
POP 12HR                      5           5           5          10          30
QPF 12HR                      0           0           0           0        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                              C  C  L
TSTMS                                                                   C  C  L
HEAT INDEX             95 98 91             88 95 97 91             91 99 97 95
MAX HEAT               96    98    89          96    98    88         100   100


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          69    83      66    81      61    74      53    76
TEMP          74 69 81 79   69 66 79 76   64 61 72 69   57 53 73 71
DEWPT         69 66 67 68   64 63 67 67   62 56 55 55   53 49 56 57
PWIND DIR        SW    NE       E    SE       N     N       N    NW
WIND CHAR        LT    LT      LT    LT      GN    GN      LT    LT
AVG CLOUDS    B2 B2 B1 SC   SC B1 B1 B1   B1 B2 B1 B1   SC FW FW SC
POP 12HR         70    30      50    50      40    20      10    10
RAIN SHWRS     L  L  C  C    C  C  C  C    C  C  S  S
TSTMS          L  L  C  C    C  C  C  C    C  C  S  S

$$
IAZ039-042200-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      88          70          90          71          88
TEMP             68 78 87 88 83 77 75 72 71 82 88 90 84 77 76 73 72 82 87 87 79
DEWPT            68 70 70 71 70 70 69 68 68 71 70 70 70 70 69 68 68 70 71 71 70
RH              100 76 57 57 65 79 82 87 90 69 55 52 63 79 79 84 87 67 59 59 74
WIND DIR         SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD          3  6 10 10  8  4  5  4  5  9 13 13  9  6  9  9  9 12 17 16 11
CLOUDS           SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2
POP 12HR                     10           5           5          10          20
QPF 12HR                      0           0           0           0        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                              S  S  L
TSTMS                                                                   S  S  L
HEAT INDEX             92 94 88                93 95 89                93 93
MAX HEAT               92    94    85          94    96    87          94    95


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          66    81      61    79      57    71      50    72
TEMP          70 66 79 76   64 61 77 74   61 57 69 66   54 50 69 67
DEWPT         69 65 64 64   61 60 65 65   59 54 55 54   49 49 54 55
PWIND DIR         S     N       E     S       N     N      NW    NW
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    B2 B2 SC SC   SC SC B1 B1   B1 B1 B1 B1   SC SC FW FW
POP 12HR         70    20      40    40      40    20      10    10
RAIN SHWRS     L  L  S  S    C  C  C  C    C  C  S  S
TSTMS          L  L  S  S    C  C  C  C    C  C  S  S

$$
IAZ048-042200-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      88          69          89          71          88
TEMP             68 79 87 88 83 76 74 70 70 80 88 89 83 77 76 72 73 82 88 85 84
DEWPT            67 72 70 69 72 71 69 68 67 71 72 72 71 71 70 69 69 71 73 74 72
RH               97 79 57 54 70 85 84 93 90 74 59 57 67 82 82 90 87 69 61 70 67
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD          4  8 13 12  9  6  5  5  6 10 13 12 10  6  9  8  9 13 16 14 11
CLOUDS           SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B2
POP 12HR                     10           5           5          10          30
QPF 12HR                      0           0           0           0        0.09
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                              C  C  L
TSTMS                                                                   C  C  L
HEAT INDEX             92 93 88                95 96 88                95 93 89
MAX HEAT               93    94    85          95    96    85          96    96


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          65    81      63    79      58    72      51    74
TEMP          72 65 79 77   66 63 77 74   62 58 70 67   55 51 71 69
DEWPT         69 64 65 67   62 61 66 66   60 55 54 54   52 49 56 57
PWIND DIR        SW    NE       E     E       N     N      NW    NW
WIND CHAR        LT    LT      LT    LT      GN    GN      LT    LT
AVG CLOUDS    B2 B1 SC SC   SC B1 B1 SC   B1 B1 B1 B1   SC FW FW FW
POP 12HR         70    20      40    40      30    10      10    10
RAIN SHWRS     L  L  S  S    C  C  C  C    C  C
TSTMS          L  L  S  S    C  C  C  C    C  C

$$
IAZ004-042200-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      87          70          86          71          84
TEMP             69 78 86 87 82 75 75 72 70 78 85 86 81 77 75 72 71 76 82 84 78
DEWPT            68 70 71 70 70 70 68 68 67 71 71 71 71 71 70 70 69 71 72 72 70
RH               97 76 61 57 67 84 79 87 90 79 63 61 72 82 84 93 93 85 72 67 76
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW
WIND SPD          8 11 14 16 12  9 10 10  9 13 16 16 11 11 14 13 11 16 18 16 11
WIND GUST                                                        21
CLOUDS           SC SC SC B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1
POP 12HR                     20          10          10          30          60
QPF 12HR                   0.01           0           0        0.11        0.12
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                 S                                C  C  C  C  L  L  C
TSTMS                      S                                C  C  C  C  L  L  C
HEAT INDEX             91 92                   90 91                      90
MAX HEAT               91    93                91    92    83          87    90


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          58    78      56    75      52    70      49    73
TEMP          69 58 75 73   60 56 73 69   56 52 68 65   53 49 70 68
DEWPT         63 55 55 59   56 55 60 58   54 50 50 52   49 47 55 55
PWIND DIR         W    NE      SE     N       N     N      NW    SW
WIND CHAR        LT    LT      LT    GN      GN    GN      LT    GN
AVG CLOUDS    B1 SC FW FW   SC B1 SC SC   B1 B1 B1 SC   SC FW FW FW
POP 12HR         50    10      30    20      10    10      10    10
RAIN SHWRS     C  C          C  C  S  S
TSTMS          C  C          C  C  S  S

$$
IAZ035-042200-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      88          71          88          73          86
TEMP             69 78 86 88 82 77 75 73 72 80 86 88 83 78 77 74 74 80 85 85 80
DEWPT            66 70 71 70 71 69 68 68 67 70 72 72 71 71 69 69 69 71 72 73 71
RH               90 76 61 55 69 76 79 84 84 72 63 59 67 79 76 84 84 74 65 67 74
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD          6 10 13 14 10  8  9  8  8 12 14 14 10  9 12 11 11 16 16 16  9
WIND GUST                                                  23
CLOUDS           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2
POP 12HR                     10          10          10          10          50
QPF 12HR                      0           0           0           0        0.14
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S  C  C  C  C  L
TSTMS                                                       S  S  C  C  C  C  L
HEAT INDEX             91 93                   93 95                   91 92
MAX HEAT               91    93    83          94    95    85          92    93


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          62    80      60    77      56    71      51    73
TEMP          72 62 78 75   63 60 75 72   60 56 69 66   54 51 70 68
DEWPT         66 59 61 63   59 57 64 63   55 52 52 53   50 47 56 56
PWIND DIR        SW    NE       E    NE       N     N       N     W
WIND CHAR        LT    GN      LT    LT      GN    GN      LT    LT
AVG CLOUDS    B2 B1 SC SC   SC B1 B1 SC   B1 B1 B1 SC   SC FW FW FW
POP 12HR         70    20      40    30      20    10      10    10
RAIN SHWRS     L  L  S  S    C  C  C  C    S  S
TSTMS          L  L  S  S    C  C  C  C    S  S

$$
IAZ094-042200-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      90          71          89          73          90
TEMP             70 81 88 90 85 77 74 73 72 82 88 89 84 77 77 74 75 84 90 90 87
DEWPT            68 71 71 70 70 69 68 68 67 71 71 71 71 70 70 69 69 71 73 72 71
RH               93 72 57 52 61 76 82 84 84 69 57 56 65 79 79 84 82 65 58 56 59
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S SE  S  S  S  S  S  S  S
WIND SPD          6 10 12 12  9  6  6  5  6  9 13 12  8  6  8  6  6 12 14 13  9
CLOUDS           SC SC SC FW SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B2
POP 12HR                      5           0           5           5          20
QPF 12HR                      0           0           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                              S  S  L
TSTMS                                                                   S  S  L
HEAT INDEX             94 96 90                94 95 89             89 98 97 94
MAX HEAT               95    96    86          95    96    86          98    98


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          70    84      67    81      61    75      55    75
TEMP          75 70 82 80   70 67 79 76   64 61 73 70   58 55 72 70
DEWPT         70 69 70 71   68 67 69 70   64 58 59 57   54 52 57 57
PWIND DIR         S     E       E     S      NE     N       N     N
WIND CHAR        LT    LT      LT    LT      GN    GN      LT    LT
AVG CLOUDS    B2 B2 B1 B1   B1 B2 B2 B2   B2 B2 B2 B1   SC SC FW SC
POP 12HR         70    40      60    60      50    30      10    10
RAIN SHWRS     L  L  C  C    L  L  L  L    C  C  C  C
TSTMS          L  L  C  C    L  L  L  L    C  C  C  C

$$
IAZ017-042200-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      87          69          88          71          86
TEMP             68 78 85 87 82 75 74 72 69 80 87 88 82 75 75 72 72 79 86 83 78
DEWPT            67 71 71 71 72 70 69 68 68 71 72 72 72 71 70 69 69 71 72 73 71
RH               97 79 63 59 72 84 84 87 97 74 61 59 72 87 84 90 90 77 63 72 79
WIND DIR         SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD          5  9 13 14  9  8  8  6  8 12 16 14 10  9 11 10 11 17 18 17 10
CLOUDS           SC SC FW SC SC SC B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2
POP 12HR                     10          10          10          10          40
QPF 12HR                      0           0           0           0        0.14
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                        S  S  C  C  D
TSTMS                                                             S  S  C  C  D
HEAT INDEX             90 93 87                93 95                   92 89
MAX HEAT               90    93                94    95                92    92


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          61    79      58    77      54    70      49    72
TEMP          72 61 77 74   62 58 75 71   58 54 68 65   53 49 69 67
DEWPT         68 60 59 62   58 57 63 63   55 53 53 53   49 48 55 55
PWIND DIR        SW    NE       E    NE       N     N      NW     W
WIND CHAR        GN    GN      LT    LT      GN    GN      LT    LT
AVG CLOUDS    B2 B1 SC FW   SC B1 B1 SC   SC B1 B1 B1   SC FW FW FW
POP 12HR         80    10      40    30      20    10      10    10
RAIN SHWRS     D  D          C  C  C  C    S  S
TSTMS          D  D          C  C  C  C    S  S

$$
IAZ049-042200-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      88          70          89          72          88
TEMP             69 79 87 88 83 76 75 72 71 82 88 89 84 77 77 73 73 82 88 86 82
DEWPT            68 72 71 71 71 71 69 68 67 72 71 71 72 71 70 69 68 71 72 72 72
RH               97 79 59 57 67 85 82 87 87 72 57 56 67 82 79 87 84 69 59 63 72
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD          5  8 11 10  8  6  6  4  5 10 13 12  9  8  9  8  9 13 16 16 11
CLOUDS           SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2
POP 12HR                     10           5           5          10          30
QPF 12HR                      0           0           0           0        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                              C  C  L
TSTMS                                                                   C  C  L
HEAT INDEX             92 94 88             87 94 95 90                95 93 87
MAX HEAT               93    95    85          94    96    85          96    96


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          66    80      62    78      57    71      51    72
TEMP          72 66 78 76   65 62 76 73   61 57 69 66   54 51 69 67
DEWPT         70 66 66 66   62 61 66 67   61 55 55 55   51 49 55 56
PWIND DIR        SW    NE       E    SE       N     N      NW    NW
WIND CHAR        LT    LT      LT    LT      GN    GN      LT    LT
AVG CLOUDS    B2 B2 B1 SC   SC B1 B1 B1   B1 B1 B1 B1   SC FW FW FW
POP 12HR         70    30      40    40      30    20      10    10
RAIN SHWRS     L  L  C  C    C  C  C  C    C  C  S  S
TSTMS          L  L  C  C    C  C  C  C    C  C  S  S

$$
IAZ086-042200-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
459 AM CDT FRI SEP 4 2015

DATE             FRI 09/04/15            SAT 09/05/15            SUN 09/06/15
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      91          69          90          71          91
TEMP             69 81 89 91 85 78 74 71 70 83 89 90 85 76 75 72 72 83 91 87 84
DEWPT            68 73 71 71 71 71 70 69 68 71 71 70 70 71 69 69 68 71 71 71 71
RH               97 77 56 52 63 79 87 93 93 67 56 52 61 85 82 90 87 67 52 59 65
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S SE  S  S  S  S  S  S  S
WIND SPD          4  6  9  9  6  5  5  4  5  8 11 11  6  6  8  6  8 11 13 13  9
CLOUDS           SC FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR                      5           5           5           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                                    L
TSTMS                                                                         L
HEAT INDEX          86 95 98 90             89 95 96 90             88 97 93 89
MAX HEAT               96    98    88          96    98    86          98    98


DATE          MON 09/07/15  TUE 09/08/15  WED 09/09/15  THU 09/10/15
CDT 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          69    83      66    80      61    74      54    75
TEMP          73 69 81 79   69 66 78 75   64 61 72 69   57 54 72 70
DEWPT         71 69 70 70   68 66 69 69   64 60 58 57   53 51 56 57
PWIND DIR         S    SE       E     S      NE     N       N     N
WIND CHAR        LT    LT      LT    LT      LT    GN      GN    LT
AVG CLOUDS    B2 OV B2 B1   B1 B2 B2 B2   B1 B2 B1 B1   SC SC FW FW
POP 12HR         70    50      60    50      50    30      10    10
RAIN SHWRS     L  L  C  C    L  L  C  C    C  C  C  C
TSTMS          L  L  C  C    L  L  C  C    C  C  C  C

$$



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