Point Forecast Matrices
Issued by NWS Des Moines, IA

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
444 AM CDT SUN APR 19 2015

IAZ060-192200-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      67          45          57          37          60
TEMP             56 62 65 67 61 55 52 48 45 50 55 57 55 47 44 38 40 53 59 60 58
DEWPT            55 57 55 54 50 45 41 38 35 35 31 29 24 24 24 24 23 25 21 21 24
RH               96 84 70 63 67 69 66 68 68 56 40 34 30 40 45 57 50 33 23 22 27
WIND DIR          S NW NW NW NW  N NW NW NW NW NW NW  W  W  W  W  W  W  W  W NW
WIND SPD          3  3  6 13 17 18 14 16 14 19 21 23 18 11  9  9 10 14 18 20 12
CLOUDS           OV OV OV OV OV B2 B1 SC SC FW SC SC SC SC FW FW FW FW FW SC B1
POP 12HR                     80          50           5           5           5
QPF 12HR                   0.38        0.05           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  C  C  D  C  C
TSTMS                S  S  S  S
WIND CHILL                               38                   32 33
MIN CHILL                                38    39          39    29    36


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          37    57      34    57      37    59      41    60
TEMP          45 38 54 54   40 35 53 54   42 38 55 57   45 42 57 57
DEWPT         27 26 22 22   22 22 22 22   25 27 27 29   30 31 33 34
PWIND DIR        NW    NW      NW    NW       N    NE       E    NE
WIND CHAR        LT    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC FW FW FW   FW SC SC B1   B1 B1 B1 B1
POP 12HR         10     5       5     5      10    10      20    20
RAIN SHWRS                                               S  S  S  S
TSTMS                                                    S  S  S  S

$$
IAZ039-192200-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      66          41          53          34          55
TEMP             53 58 64 65 59 52 48 46 41 45 51 53 51 46 40 35 36 45 53 55 52
DEWPT            51 53 55 55 52 49 44 40 36 35 31 31 29 29 28 28 27 25 23 21 23
RH               93 83 73 70 78 89 86 79 82 68 46 43 42 51 62 75 69 45 31 26 32
WIND DIR         SE SE  W NW NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W NW
WIND SPD          8  8  3 10 13 17 18 18 18 21 24 24 20 13 11 11 12 21 25 24 18
WIND GUST                                      34
CLOUDS           OV OV OV OV OV OV B2 B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC B1
POP 12HR                     80          70          30          10          20
QPF 12HR                   0.36        0.13        0.01           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  C  C  D  L  L  S           S  C                    S  S
TSTMS             S  S  S  S  S
WIND CHILL                            39 32 37             33 27 27 37
MIN CHILL                                32    32          32    26    29


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          31    53      30    53      32    57      35    59
TEMP          38 32 49 50   36 31 49 50   37 33 53 54   40 36 55 56
DEWPT         26 24 21 20   20 22 22 22   25 26 27 28   30 29 32 33
PWIND DIR        NW    NW      NW    NW      NW     N      NE    NE
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   FW FW FW FW   FW FW SC SC   SC SC SC SC
POP 12HR         10     5       5     5      10    10      10    10

$$
IAZ048-192200-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      66          42          56          35          57
TEMP             55 60 65 65 58 52 50 44 42 47 52 56 54 45 42 36 36 49 57 57 55
DEWPT            54 56 55 53 49 44 40 38 36 35 31 30 26 26 26 25 24 26 23 22 24
RH               96 87 70 65 72 74 68 79 79 63 44 37 34 47 53 64 61 40 27 25 30
WIND DIR          S  W NW NW NW  N NW NW NW NW NW NW NW  W  W  W  W  W  W  W NW
WIND SPD          4  4  6 13 19 18 17 17 16 21 23 23 18 11  9 10 10 18 19 19 14
CLOUDS           OV OV OV OV OV B2 B1 SC SC SC B1 B1 B1 SC FW FW FW FW FW SC B1
POP 12HR                     70          40          10           5           5
QPF 12HR                   0.36        0.04           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  C  C  L  C  C
TSTMS                S  S  S  S
WIND CHILL                            37 34             39 36 29 29
MIN CHILL                                34    35          36    27    31


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          33    56      31    55      34    58      38    59
TEMP          41 35 52 53   37 32 51 52   39 35 54 55   43 39 55 56
DEWPT         27 25 22 21   21 22 23 22   25 27 27 29   30 30 33 34
PWIND DIR        NW    NW      NW    NW       N    NE      NE    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   FW FW FW FW   FW SC SC B1   B1 B1 SC B1
POP 12HR         10     5       5     5      10    10      10    20
RAIN SHWRS                                                     S  S
TSTMS                                                          S  S

$$
IAZ004-192200-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      61          37          51          32          53
TEMP             51 57 61 59 54 49 44 40 37 41 47 51 48 43 37 35 32 42 51 53 52
DEWPT            51 53 50 46 42 38 36 35 32 31 29 27 25 25 25 24 23 24 22 18 21
RH              100 86 67 62 64 66 73 82 82 67 49 39 40 49 61 64 69 48 32 25 29
WIND DIR         SW  W NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W NW NW NW NW
WIND SPD          9 12 20 24 21 17 17 17 18 24 27 27 23 14 12 12 13 20 25 25 19
CLOUDS           OV OV OV OV B2 B1 SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR                     30           5          30          10          10
QPF 12HR                   0.07           0        0.01           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  C  S                       S  C
WIND CHILL                         36 31 27 31 38       36 29 26 22 33
MIN CHILL                          36    27    27          29    22    24


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          30    52      29    52      31    57      35    57
TEMP          37 31 48 49   35 30 48 49   36 32 52 54   40 36 53 54
DEWPT         23 22 20 16   18 19 20 20   24 25 24 25   28 29 31 32
PWIND DIR        NW    NW      NW    NW       N    NE      NE    NE
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   FW FW FW FW   FW SC SC SC   SC B1 B1 SC
POP 12HR          5     5       5     5      10    10      10    20
RAIN SHWRS                                                     S  S

$$
IAZ035-192200-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      63          40          54          34          56
TEMP             53 57 63 61 55 52 48 42 40 45 50 54 52 45 40 35 35 47 55 56 54
DEWPT            52 54 53 50 45 40 37 35 32 32 30 28 25 25 25 24 23 25 23 22 24
RH               96 90 70 67 69 63 65 76 73 60 46 36 35 45 55 64 61 42 29 26 31
WIND DIR          S  W NW NW  N NW NW NW NW NW NW NW NW NW  W  W  W NW NW NW NW
WIND SPD          5  8 11 14 19 17 17 14 14 19 24 23 19 12  9  9 10 18 20 21 16
CLOUDS           OV OV OV OV OV B2 B1 SC SC SC B1 B1 B1 SC FW FW FW FW FW SC SC
POP 12HR                     40          20          20           5          10
QPF 12HR                   0.20        0.01           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  C  C  C  S                    S
TSTMS                S  S  S
WIND CHILL                            34 32 37          38 34 27 27
MIN CHILL                                32    33          33    25    30


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          33    54      30    54      33    57      37    58
TEMP          40 34 50 51   36 31 50 51   38 34 53 54   42 38 54 55
DEWPT         25 23 23 20   20 20 22 22   25 25 27 28   29 29 32 32
PWIND DIR        NW    NW      NW    NW       N    NE      NE    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   FW FW FW FW   FW SC SC B1   B1 B1 SC B1
POP 12HR          5     5       5     5      10    10      10    20
RAIN SHWRS                                                     S  S

$$
IAZ094-192200-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      67          44          57          37          61
TEMP             56 61 66 67 60 54 52 48 44 51 57 57 56 46 43 38 40 54 60 60 60
DEWPT            55 57 57 56 50 46 42 38 36 37 33 31 28 27 26 26 25 28 27 25 29
RH               96 87 73 68 69 74 69 68 73 59 40 37 34 47 51 62 55 36 28 26 31
WIND DIR         SE  N  W NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W  W  W
WIND SPD          3  4  5 11 16 18 17 17 14 20 20 23 17 10  9  9  9 13 14 16 11
CLOUDS           OV OV OV OV OV OV B2 SC FW FW SC SC SC SC FW FW SC FW FW SC SC
POP 12HR                     80          60           5           0           5
QPF 12HR                   0.44        0.07           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        C  C  C  D  L  C
TSTMS             S  S  S  S  S
WIND CHILL                               37                   32 34
MIN CHILL                                37    38          36    29    38


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          39    58      36    58      38    60      41    60
TEMP          48 39 55 55   41 37 54 55   43 39 56 58   46 42 57 57
DEWPT         32 29 28 29   26 26 26 29   29 29 31 34   34 35 38 38
PWIND DIR        NW     N       N     N       N     E       E    NE
WIND CHAR        LT    GN      LT    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC B1   B1 B1 B1 B1
POP 12HR         10    10      10    10      10    20      30    30
RAIN SHWRS                                       S  S    C  C  C  C
TSTMS                                                    S  S  S  S

$$
IAZ017-192200-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      63          38          51          33          53
TEMP             52 58 63 62 54 50 47 42 38 41 47 51 49 44 40 34 34 43 50 53 51
DEWPT            51 54 54 51 46 43 39 37 34 32 29 29 27 27 27 27 26 25 23 21 23
RH               96 86 72 67 74 77 74 82 85 70 49 42 42 51 59 75 72 49 34 28 33
WIND DIR          S SW  W NW NW NW NW NW NW NW NW NW NW NW  W  W  W NW NW  W NW
WIND SPD          9  8  9 16 19 18 19 18 19 24 25 25 21 14 13 13 14 21 25 24 19
WIND GUST                                         35
CLOUDS           OV OV OV OV OV B2 B1 SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR                     50          40          30          10          20
QPF 12HR                   0.27        0.01        0.01           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        C  C  C  C  C  S              S  C                    S  S
TSTMS                S  S  S  S
WIND CHILL                            33 28 31 39       37 32 25 24 34
MIN CHILL                                28    28          31    23    26


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          30    52      29    52      31    56      35    58
TEMP          37 31 48 49   35 30 48 49   36 32 52 53   40 36 54 55
DEWPT         24 23 19 18   19 21 20 21   24 24 25 27   28 28 31 32
PWIND DIR        NW    NW      NW    NW      NW     N      NE     N
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   FW FW FW FW   FW FW SC SC   SC SC SC SC
POP 12HR         10    10       5     5       5    10      10    10

$$
IAZ049-192200-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      66          41          54          34          56
TEMP             53 59 66 65 59 51 49 45 41 46 51 54 53 44 41 34 37 48 56 56 54
DEWPT            53 56 56 55 51 46 42 40 36 36 32 32 29 28 27 26 25 26 23 22 25
RH              100 90 70 70 75 83 77 82 82 68 48 43 39 53 57 72 61 42 27 26 32
WIND DIR         SE  S  W NW  N NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W NW
WIND SPD          6  5  3 10 14 20 18 17 18 23 25 24 18 12 10 10 11 21 23 23 17
CLOUDS           OV OV OV OV OV OV B2 B1 SC SC B1 B1 B1 SC SC FW FW FW FW SC B1
POP 12HR                     80          70          20           5          10
QPF 12HR                   0.37        0.10           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        C  C  C  D  L  C  S              S
TSTMS             S  S  S  S  S
WIND CHILL                            38 32 38          38 34 26 29
MIN CHILL                                32    32          33    26    31


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          32    54      30    54      33    57      36    59
TEMP          41 34 50 51   36 31 50 51   38 34 53 54   41 37 55 56
DEWPT         26 25 22 21   19 22 23 23   24 26 26 29   29 30 33 35
PWIND DIR        NW    NW      NW    NW       N     N      NE    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW FW   FW FW FW FW   FW FW SC B1   SC B1 SC B1
POP 12HR         10     5       5     5      10    10      10    10

$$
IAZ086-192200-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
444 AM CDT SUN APR 19 2015

DATE             SUN 04/19/15            MON 04/20/15            TUE 04/21/15
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                      68          45          57          36          59
TEMP             55 61 66 68 60 54 50 48 45 50 56 57 55 48 43 37 38 52 58 59 57
DEWPT            55 57 58 54 54 50 45 43 39 39 34 33 30 29 27 27 26 27 24 23 27
RH              100 87 75 61 81 86 83 83 79 66 43 40 38 47 53 67 62 38 27 25 31
WIND DIR          E SE SE NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W  W  W
WIND SPD          4  3  3  8 11 16 18 18 18 20 21 23 17 11 10  9 10 17 19 20 13
CLOUDS           OV OV OV OV OV OV OV B1 SC SC SC SC SC SC FW FW FW FW FW SC SC
POP 12HR                     80          60          10           5           5
QPF 12HR                   0.34        0.20           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  L  C  D  L  L  C
TSTMS             S  S  S  S  S
WIND CHILL                               37                   30 31
MIN CHILL                                37    38          36    28    34


DATE          WED 04/22/15  THU 04/23/15  FRI 04/24/15  SAT 04/25/15
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          36    57      33    56      35    59      39    59
TEMP          44 37 53 54   39 34 52 53   40 36 55 56   44 40 55 56
DEWPT         30 28 25 26   23 24 25 26   26 27 30 32   31 32 36 36
PWIND DIR        NW    NW      NW    NW       N     N      NE    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC FW FW   FW FW SC SC   B1 B1 B1 B1
POP 12HR         10    10       5     5      10    10      20    20
RAIN SHWRS                                               S  S  S  S
TSTMS                                                    S  S  S  S

$$



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