Point Forecast Matrices
Issued by NWS Des Moines, IA

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
1007 AM CST SUN JAN 15 2017

IAZ060-152200-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      33          28          33          30          36
TEMP                   32 33 30 29 28 30 30 31 32 33 33 33 33 31 31 30 34 36 33
DEWPT                  19 21 23 24 25 27 28 30 32 32 33 32 32 30 30 29 29 29 27
RH                     58 61 75 81 88 88 92 96100 96100 96 96 96 96 96 82 75 78
WIND DIR               SE SE SE SE  E  E  E  E  E  E NE  N  N NW NW NW  W  W  W
WIND SPD                3  4  4  5  4  4  5  8  9  8  5  5  6  8  9  9  9  9  6
CLOUDS                 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1
POP 12HR                     30          90         100          80          10
QPF 12HR                      0        0.16        0.50        0.14           0
SNOW 12HR                 00-00           T       00-00
FRZG RAIN                           C  D  D  D  D        S
RAIN                                            D  D  D  D  C  C
SLEET                            L  L                          C
SNOW                          C
WIND CHILL                      23       24 24 25 26       27 23 23 22 26 29 26
MIN CHILL              25    25    22    23    23    24    27    22    22    25
ICE STORM                  W  W  W  W  W  W  W  W  W  W  W


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            26    46      32    49      36    50      39    52
TEMP          27   26 45 40 35   33 47 45 37   39 49 48 43   41 52 46
DEWPT         25   25 31 32 31   31 37 37 35   36 42 42 41   40 41 38
PWIND DIR          SW    SW      SW     S       S    SE      SE     S
WIND CHAR          LT    GN      LT    LT      LT    LT      GN    GN
AVG CLOUDS    SC   SC FW FW FW   SC SC SC SC   SC B1 B2 B2   B2 B1 B1
POP 12HR            0     0       0     0       5    20      20     5
RAIN                                                  S  S

$$
IAZ039-152200-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      29          21          33          30          34
TEMP                   25 29 24 21 23 25 27 29 32 33 32 31 30 30 31 31 34 33 31
DEWPT                  18 21 17 17 19 21 24 28 31 32 32 31 30 30 31 31 31 30 29
RH                     74 72 74 84 84 84 88 96 96 96100100100100100100 89 89 92
WIND DIR                S SE SE SE SE SE  E  E  E  E  E  E NE  N NW NW NW  W  W
WIND SPD                2  3  2  3  3  3  4  6  8  8  8  6  5  5  6  8  8  8  6
CLOUDS                 B1 SC B1 B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2
POP 12HR                      5          70         100          80          30
QPF 12HR                      0        0.08        0.43        0.23           0
SNOW 12HR                 00-00           T           T
FRZG DRZL                                                         C  C
FRZG RAIN                                    D  D     D  D  C  C
RAIN                                               D  D  D              S  S
SLEET                                     D  C                 C
SNOW                                C  L                          C  C
WIND CHILL                               21 22 25 26 25 24    24 24 24 27 26 24
MIN CHILL              19    20    16    18    20    22    22    23    22    23
WINTER WEATH                     Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            23    40      28    43      32    44      36    47
TEMP          25   23 38 37 30   29 41 41 33   34 42 42 37   38 47 42
DEWPT         24   23 29 30 28   29 35 35 33   34 39 40 37   38 42 39
PWIND DIR           W    SW      SW     S       S    SE      SE     S
WIND CHAR          LT    GN      LT    LT      LT    GN      GN    GN
AVG CLOUDS    B1   SC SC SC SC   SC SC SC SC   B1 B1 B2 B2   B2 B2 B2
POP 12HR            5     0       5     5       5    20      40    20
RAIN                                                  S  C    C  S
SNOW                                                          C

$$
IAZ048-152200-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      32          25          32          29          34
TEMP                   29 32 27 25 26 29 29 30 31 32 31 31 31 31 30 29 33 33 31
DEWPT                  20 22 21 22 24 26 27 29 31 32 31 31 31 31 30 29 29 28 27
RH                     69 66 78 88 92 88 92 96100100100100100100100100 85 82 85
WIND DIR               SE SE SE SE SE  E  E  E  E  E NE NE  N NW NW NW NW  W  W
WIND SPD                4  4  4  4  5  4  5  6  9  8  6  6  6  8  9  9 10  9  6
CLOUDS                 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1
POP 12HR                     10          90         100          80          10
QPF 12HR                      0        0.13        0.46        0.09           0
SNOW 12HR                 00-00           T       00-00
FRZG RAIN                              C  D  D  D  D  D  D  C
SLEET                               L  D                    S  S
SNOW                          S  C  S                          C
WIND CHILL                      19 19    23 23 23 25 24 24 24 23 22 20 25 25 24
MIN CHILL              19    22    18    19    21    23    23    20    19    22
ICE STORM                        W  W  W  W  W  W  W  W  W


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            24    42      29    46      33    45      36    48
TEMP          25   25 41 36 31   31 44 44 35   34 44 42 39   37 48 43
DEWPT         25   24 30 31 30   30 36 37 34   34 40 40 39   37 41 38
PWIND DIR          SW    SW      SW     S       S    SE      SE     S
WIND CHAR          LT    GN      LT    LT      LT    GN      GN    GN
AVG CLOUDS    B1   SC FW FW SC   SC SC SC SC   SC B1 B2 B2   B2 B2 B1
POP 12HR            0     0       0     5       5    30      30    10
RAIN                                                  C  C    S
SNOW                                                          S

$$
IAZ004-152200-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      29          19          31          22          30
TEMP                   24 29 22 19 19 21 24 26 29 31 29 30 29 27 24 22 28 29 24
DEWPT                  17 20 16 15 17 19 20 23 26 28 28 28 26 25 23 22 24 24 22
RH                     74 69 77 84 92 92 84 88 88 88 96 92 88 92 96100 85 81 92
WIND DIR                S  S  S  S  S  S SE  E NE NE NE  N  N  N NW NW NW  W  W
WIND SPD                9  8  6  5  5  4  4  5  6  9  9 10 10 11 10 10  9  8  8
CLOUDS                 SC SC SC B1 B1 OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1
POP 12HR                      0          50         100          90          10
QPF 12HR                      0        0.01        0.28        0.18           0
SNOW 12HR                 00-00       00-00           1
FRZG RAIN                                       C
SLEET                                     S  L  D  D  C
SNOW                                S  C  L  S     S  D  D  C  C
WIND CHILL             14 21 14 10 11 15 18 20 22 23 20 21 20 17 14 11 19 21 15
MIN CHILL               8    14     9    11    18    20    20    14    11    14
WINTER WEATH                        Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            19    37      26    39      31    40      32    42
TEMP          21   20 36 34 29   27 38 36 32   32 39 40 40   32 42 38
DEWPT         20   20 27 28 27   26 31 32 32   32 36 36 36   32 36 35
PWIND DIR          SW    SW      SW     S       S    SE      SE     S
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC   SC SC SC SC   SC SC SC SC   B1 B1 B2 B2   B2 B2 B1
POP 12HR            0     0       5     5      10    30      40    10
RAIN                                               S  C  C    C
SNOW                                               S          C

$$
IAZ035-152200-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      31          23          31          26          32
TEMP                   27 31 25 23 23 25 28 29 31 31 31 31 30 29 28 26 30 32 29
DEWPT                  19 21 19 19 21 23 25 27 29 30 30 30 29 28 26 26 26 26 25
RH                     71 66 78 84 92 92 88 92 92 96 96 96 96 96 92100 85 78 85
WIND DIR                S  S SE SE SE  E  E  E  E NE NE  N  N  N NW NW NW  W  W
WIND SPD                6  6  5  5  4  3  5  6  9  8  8  6  8  9  9 10 10  9  6
CLOUDS                 B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1
POP 12HR                      5          80         100          80          10
QPF 12HR                      0        0.09        0.39        0.09           0
SNOW 12HR                 00-00           T           T
FRZG RAIN                                 C  D  D  D  D
SLEET                                  L  D  C     C  C  D
SNOW                                L                    C  C  C
WIND CHILL             21 24 19 16 17    22 22 23 24 24 24 23 20 19 16 21 24 22
MIN CHILL              15    18    16    17    22    22    21    19    16    22
ICE STORM                        W  W  W  W  W  W  W  W  W


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            23    40      28    44      33    44      36    46
TEMP          25   24 39 35 31   29 42 42 35   35 42 41 43   36 46 42
DEWPT         22   22 28 29 29   28 34 35 33   34 38 38 38   36 38 36
PWIND DIR          SW    SW      SW     S       S    SE      SE     S
WIND CHAR          LT    GN      LT    GN      GN    GN      GN    GN
AVG CLOUDS    B1   SC FW SC SC   SC SC SC SC   B1 B1 B2 B2   B2 B2 B1
POP 12HR            0     0       0     5      10    30      40    10
RAIN                                               S  C  C    C
SNOW                                               S          C

$$
IAZ094-152200-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      33          29          36          29          36
TEMP                   30 33 31 29 29 31 31 32 34 35 36 34 33 31 31 29 33 36 33
DEWPT                  23 26 26 26 28 29 30 30 33 34 35 33 32 31 29 28 29 29 28
RH                     75 75 81 88 96 92 96 92 96 96 96 96 96100 92 96 85 75 82
WIND DIR               SE  E  E  E  E  E  E  E  E  E NE  N NW NW NW  W  W  W  W
WIND SPD                4  4  4  5  5  5  8  9  9  8  5  5  8  9 10  8 10  9  8
CLOUDS                 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC
POP 12HR                     60          90         100          70          10
QPF 12HR                   0.06        0.14        0.58        0.11           0
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN               S  C  L  L  L  D  D  D
RAIN                       C                    D  D  L  L  S
SLEET                   C  C  S                                S
SNOW
WIND CHILL                      23 23 25 23 24 27 29       27 23 22 21 25 29 26
MIN CHILL              23    25    23    22    22    27    26    21    20    26
ICE STORM                  W  W  W  W  W  W  W  W  W


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            27    46      32    50      37    52      39    52
TEMP          29   27 44 42 35   34 48 47 39   39 50 51 45   40 52 45
DEWPT         26   25 32 33 31   32 39 39 36   37 43 43 42   39 39 38
PWIND DIR          SW    SW      SW     S       S    SE       S     S
WIND CHAR          GN    GN      LT    GN      LT    GN      GN    GN
AVG CLOUDS    SC   FW FW FW FW   FW FW SC SC   B1 B2 B2 B2   B2 B1 B1
POP 12HR            0     0       0     5      10    20      10     5
RAIN                                                  S

$$
IAZ017-152200-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      28          18          31          27          31
TEMP                   23 28 20 18 18 19 23 26 29 31 31 31 31 30 29 27 31 30 27
DEWPT                  16 20 15 15 16 18 21 25 28 30 31 31 30 29 28 27 28 27 26
RH                     74 71 81 88 92 96 92 96 96 96100100 96 96 96100 88 88 96
WIND DIR                S  S  S  S SE SE SE  E  E  E  E NE  N  N NW NW NW NW  W
WIND SPD                5  5  4  4  4  4  4  5  8  9  9  8  8  9  9  9 10  9  8
CLOUDS                 SC SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2
POP 12HR                      0          50         100          80          20
QPF 12HR                      0        0.04        0.35        0.15           0
SNOW 12HR                 00-00           T           T
FRZG DRZL                                                         S  S
FRZG RAIN                                    C  D  D  C
SLEET                                     S  D  C  L  D  D  C
SNOW                                S  C  L              S  S  C  S  S
WIND CHILL             15 22 12 11 11 12 17 18 21 23 23 24 24 22 20 18 22 22 19
MIN CHILL               9    11    10    10    17    22    23    19    17    19
WINTER WEATH                        Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            20    37      25    40      31    41      33    44
TEMP          21   21 36 31 26   27 39 37 32   32 40 37 41   33 44 38
DEWPT         21   21 28 28 26   27 33 33 32   32 36 36 36   33 38 37
PWIND DIR          SW    SW      SW     S       S    SE      SE     S
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   SC SC SC SC   SC SC SC SC   B1 B1 B2 B2   B2 B2 B2
POP 12HR            0     0       5     5      10    30      40    20
RAIN                                               S  C  C    C  S
SNOW                                               S          C  S

$$
IAZ049-152200-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      31          23          33          29          33
TEMP                   28 31 26 23 24 27 28 30 33 32 31 30 32 30 30 29 33 32 30
DEWPT                  20 22 20 20 22 25 26 28 31 30 30 30 30 30 30 29 30 29 27
RH                     71 69 78 88 92 92 92 92 92 92 96100 92100100100 89 88 88
WIND DIR                S SE SE SE SE  E  E  E  E  E  E NE  N  N NW NW NW  W  W
WIND SPD                3  3  4  4  5  5  6  8 10 10  9  6  6  8  9 10 10  9  8
CLOUDS                 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2
POP 12HR                     10          80         100          80          20
QPF 12HR                      0        0.12        0.46        0.19           0
SNOW 12HR                 00-00           T       00-00
FRZG DRZL                                                         S  S
FRZG RAIN                              C  D  D  S  D  D  D  C  S
RAIN                                            D  D        C
SLEET                               S  L  C                    C
SNOW                             S  L                             S  S
WIND CHILL                   20 17 17 20 21 22 25 23 22 23 25 23 22 20 25 24 23
MIN CHILL              18    19    16    18    21    20    21    20    20    22
WINTER WEATH                     Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            24    40      28    44      32    44      36    47
TEMP          26   24 39 35 30   30 42 42 33   34 43 42 38   37 47 42
DEWPT         24   24 29 30 29   29 35 35 33   34 40 39 38   37 41 38
PWIND DIR           W    SW      SW     S       S    SE      SE     S
WIND CHAR          GN    GN      LT    GN      LT    GN      GN    GN
AVG CLOUDS    B1   SC FW SC SC   SC SC SC SC   SC B1 B2 B2   B2 B2 B1
POP 12HR            0     0       0     5       5    30      30    10
RAIN                                                  C  C    S
SNOW                                                          S

$$
IAZ086-152200-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
1007 AM CST SUN JAN 15 2017

DATE             SUN 01/15/17            MON 01/16/17            TUE 01/17/17
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      33          30          37          32          37
TEMP                   32 33 30 30 30 30 31 32 35 36 37 37 36 32 32 32 35 37 33
DEWPT                  21 22 23 26 27 28 29 30 33 35 35 34 34 32 31 31 31 31 29
RH                     63 63 75 85 88 92 92 92 92 96 92 89 92100 96 96 85 79 85
WIND DIR               SE  E  E  E  E  E  E  E  E  E  E  E NW  W  W  W  W  W  W
WIND SPD                4  5  5  5  5  6  8 10 11 10  8  5  5  8 10 10 11 11  9
CLOUDS                 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2
POP 12HR                     30          80         100          90          10
QPF 12HR                      0        0.09        0.48        0.26           0
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                        C  L  D  D  D                 C
RAIN                                            D  D  D  D  C
SLEET                         C  L
TSTMS                                              S  S  S
WIND CHILL                   24 24 24 23 23 24 27 29 31       25 24 24 27 29 25
MIN CHILL              24    23    22    22    23    27    30    22    22    25
WINTER WEATH               Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 01/18/17  THU 01/19/17  FRI 01/20/17  SAT 01/21/17
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            27    46      32    50      37    51      40    53
TEMP          29   27 45 40 35   33 49 45 39   39 50 47 44   41 53 45
DEWPT         26   25 32 32 31   31 38 38 36   36 43 42 42   40 42 40
PWIND DIR           W    SW      SW     S       S    SE      SE     S
WIND CHAR          GN    GN      LT    GN      LT    GN      GN    GN
AVG CLOUDS    B1   SC FW FW FW   FW SC SC SC   B1 B1 B2 B2   B2 B2 B1
POP 12HR            5     0       0     0       5    20      20     5
RAIN                                                  S  S

$$



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