Point Forecast Matrices
Issued by NWS Des Moines, IA

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000
FOUS53 KDMX 172113
PFMDMX

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
313 PM CST WED DEC 17 2014

IAZ060-181000-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      21          31          23          35          27
TEMP             24 24 22 22 21 22 27 31 28 26 24 24 23 26 33 35 32 30 29 28 27
DEWPT            13 14 14 15 15 16 17 18 19 19 20 20 20 22 24 24 25 25 24 25 25
RH               62 65 71 74 77 77 65 58 68 74 84 84 88 85 69 64 75 81 81 88 92
WIND DIR          N NE NE NE  E  E  E  E  E  E SE SE SE SE SE SE SE SE  S  S  S
WIND SPD          4  4  3  3  3  3  2  2  2  1  1  1  2  3  5  4  2  3  4  4  4
CLOUDS           B1 B1 B1 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV
POP 12HR                     20          30          10           5           5
QPF 12HR                      0        0.02           0           0           0
SNOW 12HR                 00-00           T       00-00
SNOW                          C  C  S
WIND CHILL       18 18
MIN CHILL        17    17    15    16    25    24    20    21    29    24    22


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          37      29    39      31    41      31    38      26    33
TEMP          35 33 31   29 37 35 33   31 39 37 34   32 36 33 29   27 31 29
DEWPT         26 27 28   28 31 32 31   31 34 35 34   28 27 26 24   20 21 19
PWIND DIR         S       S     S       S     S      SW    NW      NW    NW
WIND CHAR        LT      LT    GN      GN    GN      GN    BZ      GN    BZ
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B2   B2 B2 B1 B1   B2 B1 B1
POP 12HR         10      10    10      20    30      30    20      10     5
RAIN                               S    S  C  C  C    C  S  S
SNOW                               S    S  C     C    C  S  S

$$
IAZ039-181000-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      14          27          18          31          22
TEMP             21 19 17 16 14 17 24 27 24 22 21 20 18 22 29 31 27 25 24 23 23
DEWPT            13 13 12 12 12 14 15 16 16 16 17 17 17 18 20 21 21 21 21 22 23
RH               71 77 80 84 92 88 68 63 71 77 84 88 96 84 69 66 78 84 88 96100
WIND DIR          N  N  N  N  N  N NW  N  N NW NW NW NW SW  S SE SE SE  S  S  S
WIND SPD          4  4  3  2  2  1  1  1  2  2  2  1  1  2  3  3  3  3  4  4  4
CLOUDS           SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2
POP 12HR                      0           5           5           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
WIND CHILL       15 12                                                 18 17 17
MIN CHILL        13    12    10    12    22    17    18    18    23    18    17


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          34      24    36      27    37      29    35      24    31
TEMP          31 30 27   25 33 32 29   28 35 33 31   29 34 30 27   25 29 26
DEWPT         24 26 27   25 30 30 29   28 34 33 31   28 30 25 23   20 22 19
PWIND DIR         S       S     S       S     S      SW    NW      NW    NW
WIND CHAR        LT      LT    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 OV B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         10      10    20      30    40      30    30      20     5
RAIN                         S  S             C          C  C
SNOW                         S  S  C    C  C     C    C  C  C  S    S

$$
IAZ048-181000-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      16          29          20          32          23
TEMP             22 19 18 17 16 20 26 29 26 24 22 21 20 23 29 32 27 26 25 24 24
DEWPT            13 13 13 13 13 15 17 18 19 19 19 19 19 21 23 23 24 24 24 24 24
RH               68 77 80 84 88 81 68 63 74 81 88 92 96 92 78 69 88 92 96100100
WIND DIR          N  N NE NE NE  E  E  E NE  E SE SE SE SE  S SE SE SE  S  S  S
WIND SPD          4  4  3  3  3  2  1  1  2  2  1  1  2  4  5  4  3  3  4  4  4
CLOUDS           SC B1 B1 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV
POP 12HR                     10          20          10           5          10
QPF 12HR                      0        0.01           0           0           0
SNOW 12HR                 00-00       00-00       00-00
SNOW                          S  S
WIND CHILL       16 12 12    10                         17 23          19 18 18
MIN CHILL        12    10    10    12    24    22    17    17    23    19    18


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          35      25    37      28    40      30    36      24    32
TEMP          32 31 28   26 34 33 30   29 37 36 33   31 35 31 27   25 30 27
DEWPT         26 27 27   26 31 31 30   29 34 34 33   28 27 25 23   20 20 18
PWIND DIR         S       S     S       S     S      SW    NW      NW    NW
WIND CHAR        LT      LT    GN      GN    GN      GN    BZ      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B2   B2 B2 B1 B2   B2 B1 B1
POP 12HR         10      10    10      20    30      30    30      10     5
RAIN                                       C  C  C    C  C  C
SNOW                               S    S  C     C    C  C  C

$$
IAZ004-181000-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      11          24          17          30          23
TEMP             16 15 12 11 11 13 22 24 19 19 18 18 18 21 28 29 26 25 25 24 23
DEWPT            10 10  9  9  9 12 14 15 16 16 16 17 18 21 24 24 25 24 24 24 23
RH               77 80 87 91 91 96 71 68 88 88 92 96100100 85 81 96 96 96100100
WIND DIR          N  N NE NE  E  E SE  E  E SE  S  S  S  S  S  S  S  S  S  S  S
WIND SPD          5  4  3  2  2  2  3  2  2  3  4  4  4  5  8  8  6  6  8  8  8
CLOUDS           SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV B2
POP 12HR                      5          10           5           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
WIND CHILL        7  8  6                      11 11 11 13 20 21 18 17 16 15 14
MIN CHILL         6     6     6     8    15    11    11    12    18    15    13


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          34      23    35      26    38      26    31      20    27
TEMP          31 29 26   24 32 31 28   27 35 33 29   27 30 26 23   21 25 22
DEWPT         27 26 26   24 29 29 28   27 32 31 29   26 25 23 20   17 20 16
PWIND DIR         S       S     S       S     S       W    NW      NW    NW
WIND CHAR        GN      GN    GN      GN    GN      GN    BZ      BZ    BZ
AVG CLOUDS    B2 B2 B2   B1 B2 B2 B1   B2 B2 B1 B2   B2 OV B2 OV   B2 B2 B1
POP 12HR         10      10    10      20    30      30    30      10     5
RAIN                                          C
SNOW                               S    S  C  C  C    C  C  C

$$
IAZ035-181000-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      15          27          20          31          24
TEMP             20 17 15 15 15 18 24 27 23 22 21 21 20 22 29 31 27 26 26 25 24
DEWPT            11 11 11 12 13 14 16 17 17 18 18 18 19 21 24 24 24 24 24 24 24
RH               67 77 84 88 92 84 71 65 77 84 88 88 96 96 81 75 88 92 92 96100
WIND DIR          N NE NE NE NE  E SE  E  E SE SE SE  S  S  S  S  S  S  S  S  S
WIND SPD          4  4  4  3  2  2  2  1  2  2  2  2  2  4  6  5  4  5  6  6  6
CLOUDS           SC SC B1 B1 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV
POP 12HR                     10          20           5           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
SNOW                             S
WIND CHILL       12 10  8  9                            16 22 25    20 18 17 16
MIN CHILL        11     8     9    12    20    17    17    15    22    18    16


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          35      26    37      29    40      29    35      24    30
TEMP          32 31 28   27 34 33 31   29 37 35 32   30 34 30 27   25 29 25
DEWPT         26 26 26   25 30 31 30   29 33 32 31   27 26 24 22   19 20 17
PWIND DIR         S       S     S       S     S       W    NW      NW    NW
WIND CHAR        LT      LT    GN      GN    GN      GN    BZ      GN    GN
AVG CLOUDS    B2 B2 B2   B1 B1 B2 B2   B2 B2 B1 B2   B2 B2 B2 B2   B2 B1 B1
POP 12HR         10      10    20      20    30      30    30      10     5
RAIN                         S  S          C  C          C  C
SNOW                         S  S  S    S  C     C    C  C  C

$$
IAZ094-181000-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      22          31          23          34          26
TEMP             27 23 23 23 23 23 28 31 26 26 25 24 23 26 32 34 29 28 28 27 26
DEWPT            16 17 17 18 18 20 22 22 23 23 23 22 21 24 26 26 27 27 26 27 26
RH               63 77 77 81 81 88 78 69 88 88 92 92 92 92 78 72 92 96 92100100
WIND DIR         NE  E  E  E  E  E  E  E  E  E SE  E  E  E SE SE SE SE SE  S  S
WIND SPD          3  4  4  4  4  4  4  3  2  2  1  1  2  3  4  3  2  3  4  5  5
CLOUDS           B1 B2 B2 B2 OV OV OV OV OV OV OV OV B2 OV OV B2 B2 OV OV OV B2
POP 12HR                     40          50          10          10          10
QPF 12HR                   0.02        0.07           0           0           0
SNOW 12HR                     T           1       00-00
SNOW                       S  C  C  S  S
WIND CHILL          17 17 17 17 17                                        21 20
MIN CHILL        18    17    17    17    24    23    20    21    27    23    19


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          37      28    39      31    40      32    38      26    34
TEMP          34 33 30   29 36 35 33   31 38 36 34   32 37 33 29   27 32 30
DEWPT         28 28 30   29 33 32 33   31 35 35 34   30 28 26 25   22 23 21
PWIND DIR         S       S     S       S     S      SW    NW      NW    NW
WIND CHAR        LT      LT    GN      GN    GN      GN    BZ      GN    BZ
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   SC B1 B1
POP 12HR         10      10    10      20    30      30    20      10     5
RAIN                               S    S  C  C  C    C  S  S
SNOW                               S    S  C     C    C  S  S

$$
IAZ017-181000-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      12          24          17          30          22
TEMP             18 16 14 13 12 14 22 24 21 19 18 19 17 21 28 30 26 25 24 23 22
DEWPT            11 11 11 11 11 12 14 15 16 16 16 16 17 19 21 22 23 22 22 23 22
RH               73 80 88 91 96 92 71 68 81 88 92 88100 92 75 72 88 88 92100100
WIND DIR          N  N  N  N  N NE NE NE NE  E  S  S  S  S  S  S  S  S  S  S  S
WIND SPD          5  4  3  2  2  1  1  1  1  2  2  2  2  4  6  5  5  5  6  6  6
CLOUDS           SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                      0           5           5           5           5
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
WIND CHILL       10  9  8                               15 21 24 19 18 16 15 14
MIN CHILL         5     6     6     9    20    15    14    15    19    16    14


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          34      24    35      27    38      28    34      21    29
TEMP          31 30 27   25 32 31 29   27 35 34 31   29 33 28 25   22 27 23
DEWPT         25 27 27   25 30 30 29   27 34 32 30   28 27 25 21   19 21 17
PWIND DIR         S       S     S       S     S      SW    NW      NW    NW
WIND CHAR        LT      LT    GN      GN    GN      GN    BZ      GN    BZ
AVG CLOUDS    B2 B2 B2   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 OV   B2 B2 B2
POP 12HR         10      10    20      30    30      30    30      20     5
RAIN                         S  S             C
SNOW                         S  S  C    C  C     C    C  C  C  S    S

$$
IAZ049-181000-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      15          27          19          31          22
TEMP             21 18 16 15 15 18 24 27 24 22 21 20 19 22 30 31 27 25 24 23 23
DEWPT            13 13 13 13 13 15 16 17 17 17 17 17 18 19 21 22 23 22 22 23 23
RH               71 80 88 92 92 88 71 65 74 81 84 88 96 88 69 69 85 88 92100100
WIND DIR          N  N  N  N NE NE  N NE NE  N  N NE  E SE  S SE SE SE  S  S  S
WIND SPD          4  4  3  3  2  2  1  1  1  1  1  1  2  3  3  3  3  3  4  5  5
CLOUDS           SC SC SC B1 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2
POP 12HR                      5          10           5           5           5
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
WIND CHILL       15 11 10  9                                           18 17 17
MIN CHILL        12     9     9    12    20    21    16    17    23    18    16


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          35      26    37      28    39      29    36      24    31
TEMP          32 31 28   27 34 33 30   29 36 35 32   30 34 31 27   25 29 26
DEWPT         26 26 26   27 30 31 30   29 34 33 32   29 28 26 23   19 21 18
PWIND DIR         S       S     S       S     S      SW    NW      NW    NW
WIND CHAR        LT      LT    GN      GN    GN      GN    BZ      GN    BZ
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1
POP 12HR         10      10    20      20    30      30    30      20     5
RAIN                         S  S          C  C          C  C
SNOW                         S  S  S    S  C     C    C  C  C  S    S

$$
IAZ086-181000-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
313 PM CST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            SAT
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

MIN/MAX                      19          30          21          32          24
TEMP             24 21 19 20 19 21 27 30 26 24 23 22 21 25 30 32 27 26 26 25 24
DEWPT            15 15 15 16 16 17 19 19 20 20 20 19 19 20 22 23 24 23 23 24 24
RH               68 77 84 84 88 84 71 63 78 84 88 88 92 81 72 69 88 88 88 96100
WIND DIR          N  N NE NE NE NE NE NE NE  E  E  E NE  E SE SE  E SE SE SE SE
WIND SPD          4  4  3  3  2  3  3  3  2  2  1  1  1  2  3  3  2  2  3  3  3
CLOUDS           B1 B1 B1 B2 B2 OV OV OV B2 B2 B2 B2 B1 B1 B2 B2 B1 B2 B2 B2 OV
POP 12HR                     20          30          10           5          10
QPF 12HR                      0        0.02           0           0           0
SNOW 12HR                 00-00           T       00-00
SNOW                          C  C  S  S
WIND CHILL       18 15
MIN CHILL        16    14    14    15    23    22    21    19    25    22    20


DATE           12/20/14  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          36      27    39      29    40      32    37      26    33
TEMP          33 32 29   28 36 35 32   30 37 36 34   32 36 32 29   27 31 28
DEWPT         27 27 28   27 31 31 31   30 34 35 34   30 29 26 25   22 23 20
PWIND DIR         S       S     S       S     S      SW    NW      NW    NW
WIND CHAR        LT      LT    GN      GN    GN      GN    GN      GN    BZ
AVG CLOUDS    OV B2 B2   B1 B2 B2 B2   B2 B2 B2 OV   OV OV B2 B1   B2 B2 B1
POP 12HR         10      10    10      20    40      40    30      20     5
RAIN                               S    S  C  C  C    C  C  C
SNOW                               S    S  C     C    C  C  C  S    S

$$



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