Point Forecast Matrices
Issued by NWS Des Moines, IA

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
959 AM CST THU NOV 20 2014

IAZ060-202200-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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                      27          14          34          31          47
TEMP                   25 27 19 17 14 14 14 18 30 34 33 31 35 35 37 37 46 44 42
DEWPT                  13 13 10 11  8  9  8 12 19 24 27 28 32 30 34 35 39 40 40
RH                     60 55 67 77 76 80 76 77 63 66 78 88 89 82 89 92 76 86 93
WIND DIR               NW NW NW  E SE SE SE SE SE SE SE  S  S  S  S  S SW  S  S
WIND SPD                9  6  4  3  3  4  6  9 11 10  9  9  9  8  9 10 11  9  9
CLOUDS                 SC FW FW FW SC SC SC SC B1 B2 OV OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          30          20
QPF 12HR                      0           0           0        0.02        0.02
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                             S  C
RAIN                                                  S  C  C  C  S  S  S  S  C
OBVIS                                                PF PF PF PF PF PF PF PF  F
WIND CHILL             16 20 12     8  6  4  6 20 26 25 23 28 28 30 30
MIN CHILL               9    12     7     3     2    23    23    27    27    36


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            40    47      29    34      23    30      18    35
TEMP          46   45 47 42 33   29 34 31 27   23 30 25 20   21 34 30
DEWPT         45   43 44 36 30   25 22 19 19   16 14 14 13   12 19 20
PWIND DIR           S    NE      NW     W       W    NW      NW    SW
WIND CHAR          GN    GN      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    OV   OV OV OV OV   B1 B2 B2 OV   B2 B2 SC SC   SC B1 B1
POP 12HR           40    60      30    30      20    10       5    10
RAIN           C    C  L  L  C
SNOW                              C  C  C  S    S

$$
IAZ039-202200-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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                      20           6          29          26          41
TEMP                   18 20 13  9  7  6  6 14 26 29 27 27 30 30 33 34 40 40 38
DEWPT                   9  8  6  5  3  3  2  7 13 18 21 23 27 26 31 31 37 36 37
RH                     67 59 73 83 83 87 83 73 57 63 78 85 88 85 92 89 89 85 96
WIND DIR               NW NW NW NW SW SE SE  S  S  S  S  S  S  S  S  S SW  S  S
WIND SPD               10 11  6  4  2  3  5  9 12 12 12 12 12 11 10 11 11 10  9
CLOUDS                 FW FW FW FW FW FW FW SC SC B1 B2 OV OV OV OV OV OV OV OV
POP 12HR                      0           0           5          30          20
QPF 12HR                      0           0           0        0.01        0.02
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                                S  C  C
RAIN                                                              S  S  S  S  C
OBVIS                                                   PF PF PF PF PF PF PF  F
WIND CHILL              5  8  3  1    -1 -3  1 15 19 16 16 20 20 25 26 33 33 32
MIN CHILL               2     1    -1    -4    -3    16    15    19    23    32


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            37    44      27    33      20    27      13    29
TEMP          41   42 44 40 32   27 33 28 24   20 27 19 15   15 28 25
DEWPT         40   39 41 37 31   26 25 21 18   16 15 13 11    8 16 16
PWIND DIR           S     E      NW     W       W    NW      NW    SW
WIND CHAR          GN    GN      GN    BZ      BZ    BZ      GN    GN
AVG CLOUDS    OV   OV OV OV OV   B2 B2 OV OV   OV B2 B1 SC   SC B1 B1
POP 12HR           40    70      50    40      30    20       5    20
RAIN           C    C  L  L  C
SNOW                              C  C  C  C    C  S  S          S  S

$$
IAZ048-202200-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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                      22          10          31          29          43
TEMP                   20 22 14 13 10 11 12 15 26 31 30 29 32 32 34 35 41 42 39
DEWPT                  11 11  9  9  7  7  7 12 17 23 25 26 30 29 32 34 38 38 38
RH                     67 62 80 84 87 83 80 88 68 72 81 88 92 88 92 96 89 86 96
WIND DIR               NW NW NW  W SE SE SE SE  S  S  S  S  S  S  S  S SW  S  S
WIND SPD                9  8  4  2  3  4  6 10 12 11 10 10  9  9  9 10 11  9  8
CLOUDS                 FW FW FW FW FW SC SC SC B1 B2 OV OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          30          20
QPF 12HR                      0           0           0        0.02        0.02
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                                S  C  C
RAIN                                                        C  C  S  S  S  S  C
OBVIS                                                   PF PF PF PF PF PF PF  F
WIND CHILL              9 14  7     4  3  1  2 15 22 21 20 24 24 27 27 35 36 33
MIN CHILL               5     6     4     0    -1    17    19    23    25    32


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            37    45      27    32      20    28      15    32
TEMP          42   42 45 39 32   27 32 27 25   20 28 21 17   18 32 27
DEWPT         42   40 42 35 29   24 21 19 18   16 13 13 11   11 19 19
PWIND DIR           S    NE      NW     W       W    NW      NW    SW
WIND CHAR          GN    GN      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    OV   OV OV OV OV   B2 B2 B2 OV   B2 B2 SC SC   SC B1 B1
POP 12HR           40    60      30    30      30    10       5    20
RAIN           C    C  L  L  C
SNOW                         C    C  C  C  C    C                S  S

$$
IAZ004-202200-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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                      17           3          30          26          38
TEMP                   14 17  6  3  3  6  8 13 25 30 27 27 31 31 32 32 37 37 33
DEWPT                   7  8  4  3  2  5  7 11 18 22 25 26 30 28 30 31 33 33 32
RH                     73 67 91100 95 96 96 91 74 72 92 96 96 88 92 96 85 85 96
WIND DIR               NW  W  W SW  S  S  S  S  S  S  S  S  S  S SW SW SW SW  S
WIND SPD                9  6  4  3  5  6 10 14 16 17 16 17 16 14 13 12 12 11 11
CLOUDS                 FW FW FW FW SC SC SC B1 B1 B2 B2 OV OV OV OV OV B2 B2 B2
POP 12HR                      0           0          10          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                                          S
OBVIS                                                      PF PF PF PF        F
WIND CHILL              2  8 -3 -4 -8 -6 -6 -3 12 18 15 14 20 20 21 23 29 29 24
MIN CHILL              -8    -3    -8    -7    -6    13    13    18    21    23


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            32    40      23    28      14    22      10    29
TEMP          33   36 40 33 26   23 28 24 19   14 22 15 13   12 28 24
DEWPT         33   34 37 30 25   22 20 16 15   10 11 11 10    8 19 18
PWIND DIR           S     W      NW    NW      NW    NW       W    SW
WIND CHAR          GN    GN      BZ    WY      WY    BZ      GN    GN
AVG CLOUDS    B2   B2 B2 B2 B2   B2 B2 OV OV   B2 B1 SC SC   B1 B1 B1
POP 12HR           20    30      30    40      30    10       5    10
RAIN           S    S  C  C
SNOW                         C    C  C  C  C    C

$$
IAZ035-202200-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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                      20           7          31          28          41
TEMP                   17 20 12 10  7 11 11 15 27 31 29 28 31 32 33 34 40 39 36
DEWPT                   9 10  7  7  5  7  7 12 18 23 25 26 30 28 31 32 36 36 36
RH                     70 64 80 87 91 83 83 88 68 72 85 92 96 85 92 92 85 89100
WIND DIR               NW NW NW  S  S  S  S  S  S  S  S  S  S  S  S  S SW  S  S
WIND SPD                9  6  3  2  4  5  8 12 14 13 13 12 12 11 10 11 11 10 10
CLOUDS                 FW FW FW FW SC SC SC SC B1 B2 B2 OV OV OV OV OV OV OV B2
POP 12HR                      0           0          10          20          10
QPF 12HR                      0           0           0        0.01           0
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                                   S  S
RAIN                                                           S              C
OBVIS                                                      PF PF PF PF PF PF  F
WIND CHILL              7 11  6    -2  2 -2  1 15 21 18 17 21 23 25 26 33 32 28
MIN CHILL              -1     6    -2    -3    -3    18    17    21    24    27


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            35    44      26    31      18    26      13    31
TEMP          39   40 44 37 30   26 31 26 23   18 26 20 15   16 30 27
DEWPT         39   39 41 32 27   22 21 17 16   13 13 12 11   10 19 19
PWIND DIR           S    NW      NW     W      NW    NW      NW    SW
WIND CHAR          GN    GN      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    B2   OV OV OV OV   B2 B2 B2 OV   B2 B2 SC SC   SC B1 B1
POP 12HR           30    50      30    30      30    10       5    20
RAIN           C    C  C  C
SNOW                         C    C  C  C  C    C                S  S

$$
IAZ094-202200-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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          15          34          32          48
TEMP                   25 28 22 18 15 15 16 20 31 33 34 32 34 35 38 38 47 45 47
DEWPT                  15 15 13 12 11 12 11 15 22 26 30 30 34 32 36 36 41 41 44
RH                     65 58 68 77 84 88 80 81 69 75 85 92100 89 92 92 79 86 89
WIND DIR               NW NW  N  E  E SE SE SE SE SE SE  S  S  S  S  S  S  S  S
WIND SPD                8  5  4  4  4  4  6 10 11 10 10  9  9  8  8  9 10  9  9
CLOUDS                 FW FW FW FW SC SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          40          40
QPF 12HR                      0           0           0        0.04        0.04
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                             S  C
RAIN                                                  S  C  C  C  C  C  C  C  L
OBVIS                                                PF PF PF PF PF PF PF PF  F
WIND CHILL             17 22 16 11  8  8  6  9 22 25 26 24 27 28 32 32
MIN CHILL              11    15     8     5     4    23    24    27    30    36


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            42    47      29    35      23    32      19    36
TEMP          49   44 47 41 34   29 35 32 27   23 32 25 20   22 36 30
DEWPT         47   43 44 36 30   25 22 20 19   16 15 15 14   14 21 21
PWIND DIR           S     N      NW     W       W    NW      NW    SW
WIND CHAR          GN    GN      BZ    BZ      GN    BZ      GN    GN
AVG CLOUDS    OV   OV OV OV B2   B1 B1 B2 B2   B1 B1 SC SC   SC SC B1
POP 12HR           60    70      30    20      20     5       5    10
DRIZZLE                      C
RAIN           L    L  L  L  C
SNOW                              C  C  C  S    S

$$
IAZ017-202200-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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                      18           4          28          25          38
TEMP                   15 18  9  5  4  6  7 13 25 28 27 25 29 29 31 32 38 36 34
DEWPT                   7  7  4  3  2  3  4  9 15 20 22 23 28 27 31 31 34 35 34
RH                     70 61 80 91 91 87 87 84 65 71 81 92 96 92100 96 85 96100
WIND DIR               NW NW NW  W  S  S  S  S  S  S  S  S  S  S  S  S SW  S  S
WIND SPD               11 10  6  3  3  4  8 11 14 14 13 14 13 12 11 11 11 10 10
CLOUDS                 FW FW FW FW FW FW SC SC SC B2 B2 OV OV OV OV OV OV OV B2
POP 12HR                      0           0          10          20          20
QPF 12HR                      0           0           0        0.01        0.02
SNOW 12HR                 00-00       00-00       00-00
FRZG DRZL                                                         S
FRZG RAIN                                                   S  S
RAIN                                                                 S  S  S  C
OBVIS                                                      PF PF PF PF PF PF  F
WIND CHILL              1  6 -2 -2 -3 -3 -5 -1 12 16 16 13 18 18 22 23 31 29 26
MIN CHILL              -7    -3    -3    -6    -5    14    13    17    23    26


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            34    42      26    30      16    23      10    27
TEMP          35   37 42 36 29   26 30 24 19   16 23 15 11   12 26 23
DEWPT         35   37 41 34 28   25 24 19 16   15 13 12 10    8 17 17
PWIND DIR           S     E      NW     W      NW    NW      NW    SW
WIND CHAR          GN    GN      BZ    WY      BZ    BZ      GN    GN
AVG CLOUDS    B2   OV OV OV OV   B2 OV OV OV   B2 B2 B1 SC   SC B1 B1
POP 12HR           30    60      40    40      30    20       5    20
RAIN           C    C  L  L
SNOW                         C    C  C  C  C    C  S  S          S  S

$$
IAZ049-202200-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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                      22           8          30          27          43
TEMP                   19 22 14 11  9  9  9 15 25 30 29 27 30 30 34 35 42 41 39
DEWPT                  11 10  8  7  5  5  5  9 15 21 23 25 29 28 32 32 38 37 37
RH                     70 59 76 83 83 83 83 77 65 69 78 92 96 92 92 89 86 85 92
WIND DIR               NW NW NW NW SE SE SE SE  S  S  S  S  S  S  S  S SW  S  S
WIND SPD               12 10  5  3  3  4  6 10 12 12 11 11 11 10 10 11 11 10  9
CLOUDS                 FW FW FW FW FW SC SC SC SC B2 B2 OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          40          20
QPF 12HR                      0           0           0        0.02        0.02
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                                S  C  C
RAIN                                                           C  S  S  S  S  C
OBVIS                                                   PF PF PF PF PF PF PF  F
WIND CHILL              6 11  5  5  2  0 -2  2 14 20 19 17 21 21 26 26 36 34 33
MIN CHILL               2     4     1    -2    -2    17    16    20    24    32


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            38    44      27    32      20    27      14    30
TEMP          41   42 44 39 31   27 32 28 24   20 27 20 16   15 29 26
DEWPT         41   40 41 36 30   25 23 20 19   16 14 13 12    9 17 17
PWIND DIR           S     E      NW     W       W    NW      NW    SW
WIND CHAR          GN    GN      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    OV   OV OV OV OV   B2 B2 OV OV   B2 B2 B1 SC   SC B1 B1
POP 12HR           40    70      40    30      30    20       5    20
RAIN           C    C  L  L  C
SNOW                              C  C  C  C    C  S  S          S  S

$$
IAZ086-202200-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
959 AM CST THU NOV 20 2014

DATE             THU 11/20/14            FRI 11/21/14            SAT 11/22/14
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                      25          11          33          30          47
TEMP                   23 25 18 15 13 11 12 18 29 33 32 30 33 33 37 37 47 43 44
DEWPT                  14 13 11 10  8  8  8 12 17 23 26 27 31 31 35 36 42 41 43
RH                     68 60 73 80 80 87 84 77 60 66 78 88 92 92 92 96 83 93 96
WIND DIR               NW NW NW  N  E SE SE SE SE SE SE SE  S  S  S  S  S  S  S
WIND SPD               10  9  5  3  3  4  6 10 12 11 11 11 10 10  9 10 11  9  9
CLOUDS                 FW FW FW FW FW SC SC SC B1 B2 OV OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          40          50
QPF 12HR                      0           0           0        0.04        0.04
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                             S  C  C
RAIN                                                  S  C  C  C  C  C  C  C  L
OBVIS                                                PF PF PF PF PF PF PF PF  F
WIND CHILL             13 16 10  9  7  3  1  6 19 25 23 20 25 25 30 30
MIN CHILL              11     9     5     0     0    21    20    24    27    37


DATE               SUN 11/23/14  MON 11/24/14  TUE 11/25/14  WED 11/26/14
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            40    46      29    35      22    30      17    34
TEMP          46   42 46 42 35   29 35 30 25   22 30 24 19   19 34 29
DEWPT         46   42 44 39 31   26 23 21 20   17 16 15 12   11 16 19
PWIND DIR           S    NE       W     W       W    NW      NW    SW
WIND CHAR          GN    GN      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    OV   OV OV OV OV   B2 B2 B2 OV   B2 B2 B1 SC   SC SC B1
POP 12HR           60    80      40    30      20    20       5    10
RAIN           L    L  D  D  C
SNOW                              C  C  C  S    S  S  S

$$



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