Point Forecast Matrices
Issued by NWS Des Moines, IA

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
1244 PM CST MON DEC 22 2014

IAZ060-222200-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      41          33          38          28          35
TEMP                      41 39 37 36 35 33 35 38 37 35 33 32 30 28 28 32 35 32
DEWPT                     36 37 37 35 34 33 32 32 33 32 30 30 29 27 27 26 28 27
RH                        82 92100 96 96100 89 79 85 89 89 92 96 96 96 78 75 81
WIND DIR                  SE  E SE SE  W  W  W NW NW NW NW NW NW NW NW NW NW  W
WIND SPD                   9  9  8  5  6  6  6  9 10 10 14 13 16 16 16 17 14 12
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1
POP 12HR                     90          70          50          20          10
QPF 12HR                   0.04        0.22        0.08        0.05           0
SNOW 12HR                 00-00       00-00           T
RAIN                       D  L  L  L  L        C  C
SNOW                                   L  C  C  C  C  S  S  S  S
WIND CHILL                35 33 31    29 27 29 32 30 27 23 22 19 16 16 21 25 23
MIN CHILL              34    33    30    27    27    27    22    16    16    21


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            27    42      29    36      19    28      17    30
TEMP          28   27 38 36 33   30 34 29 24   20 26 23 20   18 27 26
DEWPT         25   24 28 29 29   27 25 23 16   14 13 16 13   10 16 15
PWIND DIR           W     S       S     W      NW     W       W    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   B1 SC B1 B1   B1 B2 B1 B1   B1 B1 SC SC   SC SC SC
POP 12HR            5     5      10    20      10     5       5     5
SNOW                                 S  S

$$
IAZ039-222200-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      38          33          37          26          33
TEMP                      38 35 36 35 35 33 34 36 37 33 31 30 29 26 27 31 33 29
DEWPT                     35 34 36 35 34 33 34 33 35 33 31 30 29 26 27 29 28 27
RH                        89 96100100 96100100 89 92100100100100100100 92 82 92
WIND DIR                  SE  E  E SE SE  E  W  W  W NW NW NW NW NW NW  N NW NW
WIND SPD                  12 11 10  6  9  6  4  6  6  5 10 11 13 13 14 16 14 12
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2
POP 12HR                     90          80          50          20          10
QPF 12HR                   0.09        0.23        0.06        0.04           0
SNOW 12HR                 00-00       00-00           T
DRIZZLE
RAIN                       D  L  L  L  D        C  C
SNOW                             L  L  D  C  C  C  C  C  C  S  S
WIND CHILL                30 27 28 28 28 27    30       22 20 18 15 15 20 23 19
MIN CHILL              27    27    25    26    28    26    20    14    14    17


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            24    37      27    34      15    23      11    24
TEMP          27   24 34 33 30   28 32 26 20   16 21 18 14   12 21 20
DEWPT         26   24 28 29 29   27 27 22 14   13  9 11 10    8 12 13
PWIND DIR           W     S      SE    SW      NW    NW       W    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2   B1 B1 B1 B2   B2 B2 B1 B1   B1 B1 SC SC   SC SC B1
POP 12HR            5     5      10    20      10    10      10     5
SNOW                                 S  S

$$
IAZ048-222200-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      40          32          38          26          33
TEMP                      40 37 37 34 34 32 34 36 37 34 31 30 29 27 27 30 33 29
DEWPT                     35 35 37 34 34 32 32 32 32 32 29 30 29 26 26 26 27 26
RH                        82 92100100100100 92 85 82 92 92100100 96 96 85 78 88
WIND DIR                  SE  E SE SE  E  E NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD                  10  9  6  5  5  5  5  9 11 11 14 14 16 14 16 17 14 11
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1
POP 12HR                     90          70          60          20          10
QPF 12HR                   0.04        0.19        0.08        0.05           0
SNOW 12HR                 00-00       00-00           1
RAIN                       D  L  L  L  L        C  C
SNOW                                   L  L  C  C  C  S  S  S  S
WIND CHILL                33 30          26    29 29 26 21 19 18 15 14 19 23 19
MIN CHILL              30    30    28    26    26    26    19    14    13    19


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            24    39      27    33      17    26      13    26
TEMP          25   25 35 34 30   28 32 26 21   18 24 20 17   14 23 22
DEWPT         25   23 27 29 28   26 25 22 15   13 11 14 12    8 13 14
PWIND DIR           W     S      SE     W      NW    NW       W    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   B1 B1 B1 B1   B2 B2 B1 B1   B1 B1 SC SC   SC SC B1
POP 12HR            5     5      10    20      10     5       5     5
SNOW                                 S  S

$$
IAZ004-222200-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      38          29          32          23          30
TEMP                      38 35 33 31 29 29 30 31 32 29 28 28 26 25 23 28 30 26
DEWPT                     34 33 32 31 29 29 30 30 31 29 28 28 26 25 23 25 26 25
RH                        85 92 96100100100100 96 96100100100100100100 88 85 96
WIND DIR                  SE  E  E NE  N  N  N  N  N  N NW NW NW NW NW NW NW  W
WIND SPD                  12 10 10 10 11 12 14 17 19 19 19 17 17 18 16 16 14 12
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2
POP 12HR                     70          60          60          30          10
QPF 12HR                   0.06        0.09        0.14        0.04           0
SNOW 12HR                 00-00           1           1
RAIN                       L  L  L
SNOW                             L  L  L  L  L  C  C  C  C  S  S
WIND CHILL                30 27 25 23 19 19 19 20 20 16 15 16 13 11 10 16 18 15
MIN CHILL              27    26    22    19    18    16    15    11     9    12


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            21    33      22    26       8    19       6    20
TEMP          23   22 30 28 25   23 25 18 13    9 16 13 10    7 17 16
DEWPT         22   22 27 27 25   23 21 17 10    6  9 10  9    5 12 12
PWIND DIR          SW     S      SE    NW      NW     W       W    SW
WIND CHAR          GN    GN      GN    BZ      BZ    GN      GN    GN
AVG CLOUDS    B2   B1 B2 B2 B2   B2 B2 B2 B2   B1 SC SC SC   SC SC B1
POP 12HR            5    10      30    30      10     5       5     5
SNOW                         C    C  C  C

$$
IAZ035-222200-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      39          30          35          26          32
TEMP                      39 37 35 33 33 30 32 33 35 31 31 30 29 27 26 30 32 28
DEWPT                     36 34 34 33 32 30 31 31 31 30 28 28 27 26 25 25 26 25
RH                        89 89 96100 96100 96 92 85 96 88 92 92 96 96 81 78 88
WIND DIR                  SE  E  E  E  S  S  N  N NW NW NW NW NW NW NW NW NW  W
WIND SPD                  11 10  8  5  8  9 10 12 12 13 16 14 14 16 16 14 14 12
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1
POP 12HR                     90          70          60          20          10
QPF 12HR                   0.05        0.14        0.11        0.05           0
SNOW 12HR                 00-00           1           1
RAIN                       D  L  L  L           C
SNOW                                L  L  L  L  C  C  S  S  S  S
WIND CHILL                32 30 29    26 22 24 25 26 21 20 19 17 15 13 19 21 17
MIN CHILL              30    29    27    22    21    21    19    13    12    16


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            23    36      25    30      14    24      11    24
TEMP          24   23 33 31 28   26 29 23 18   15 22 18 15   12 21 20
DEWPT         23   23 27 27 27   24 22 19 13   10 11 12 11    7 13 12
PWIND DIR           W     S      SE    NW      NW     W       W    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   B1 B1 B1 B2   B2 B2 B1 B1   B1 SC SC SC   SC SC B1
POP 12HR            5     5      20    20      10     5       5     5
SNOW                         S    S  S  S

$$
IAZ094-222200-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      42          32          37          27          34
TEMP                      42 39 37 36 34 33 32 36 36 33 32 32 29 27 27 31 34 32
DEWPT                     38 37 37 36 33 33 32 32 33 32 30 31 29 27 27 27 27 27
RH                        86 92100100 96100100 85 89 96 92 96100100100 85 75 81
WIND DIR                  SE SE SE SW SW  W  W  W  W NW NW NW NW NW NW NW NW  W
WIND SPD                   9  5  8  6  9  6  9 10 12 10 13 12 14 13 16 17 14 12
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B1 B1
POP 12HR                     90          80          30          20          20
QPF 12HR                   0.09        0.32        0.06        0.04        0.02
SNOW 12HR                 00-00       00-00           T
RAIN                       D  D  L  L  L     C  C  S
SNOW                                      C  C  C  S  S  S  S  S  S  S  S  S
WIND CHILL                36    31    27 27 24 29 28 25 22 23 18 16 15 20 24 22
MIN CHILL              33    34    30    25    24    25    22    15    14    21


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            26    42      29    35      20    29      18    31
TEMP          28   26 38 36 33   30 34 28 24   21 27 24 21   19 28 27
DEWPT         26   25 28 30 30   28 27 24 17   15 16 17 15   13 19 18
PWIND DIR           W     S       S     W      NW    NW       W    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   SC SC SC SC   SC B2 B1 B1   B1 SC SC SC   SC SC SC
POP 12HR            5     5      10    20      10     5       5     5
RAIN                                 S  S
SNOW                                 S  S

$$
IAZ017-222200-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      37          31          35          25          31
TEMP                      36 33 34 31 31 31 31 34 35 31 30 29 27 25 25 29 31 28
DEWPT                     33 32 33 31 31 31 31 32 33 31 29 29 27 25 25 28 27 26
RH                        89 96 96100100100100 92 92100 96100100100100 96 85 92
WIND DIR                  SE  E  E  E  E NE  S  N NW NW NW NW NW NW NW NW NW NW
WIND SPD                  12 11 11  8  8  8  8  9 11 11 16 13 16 18 17 16 14 12
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2
POP 12HR                     90          80          60          40          10
QPF 12HR                   0.07        0.13        0.12        0.07           0
SNOW 12HR                 00-00           1           1
RAIN                       D  L  L              C
SNOW                             L  L  D  L  L  C  C  C  C  S  S
WIND CHILL                28 24 26 24 24 24 24 27 27 21 19 18 15 12 12 17 20 17
MIN CHILL              26    24    24    23    24    20    18    11    11    16


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            23    34      25    29      12    21       8    21
TEMP          25   23 31 30 27   26 28 22 17   13 19 15 11    9 18 17
DEWPT         24   23 27 28 27   26 24 19 12    9 10  9  8    6 12 12
PWIND DIR           W     S      SE    NW      NW     W       W    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2   B2 B1 B2 B2   B2 B2 B2 B2   B1 SC SC SC   SC SC B1
POP 12HR            5    10      20    20      10     5       5     5
SNOW                         S    S  S  S

$$
IAZ049-222200-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      39          33          37          26          33
TEMP                      39 35 36 35 35 33 35 37 37 33 31 31 28 26 28 32 33 29
DEWPT                     35 35 36 34 34 33 33 33 34 32 30 30 28 26 27 28 28 27
RH                        85100100 96 96100 92 85 89 96 96 96100100 96 85 82 92
WIND DIR                  SE  E  E SE SE  E  W  W  W NW NW NW NW NW NW NW NW NW
WIND SPD                  12 12  9  8  9  8  4  9 10  9 13 12 17 16 17 18 16 14
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2
POP 12HR                    100          80          50          20          10
QPF 12HR                   0.07        0.22        0.06        0.05           0
SNOW 12HR                 00-00       00-00           1
RAIN                       D  L  L  L  D        C  C
SNOW                                   D  C  C  C  C  S  S  S  S
WIND CHILL                31 27 29 28 28 26    30 30 25 21 21 16 14 15 20 22 18
MIN CHILL              28    26    27    26    28    25    20    13    13    18


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            25    38      27    34      16    25      12    26
TEMP          27   25 35 33 30   28 32 26 21   17 23 19 16   13 23 22
DEWPT         25   24 28 29 29   27 27 22 15   12 11 13 11    8 12 14
PWIND DIR           W     S      SE     W      NW    NW      NW    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2   B1 B1 B1 B1   B1 B2 B1 B1   B1 B1 SC SC   SC SC B1
POP 12HR            5     5      10    20      10     5       5     5
SNOW                                 S  S

$$
IAZ086-222200-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
1244 PM CST MON DEC 22 2014

DATE             MON 12/22/14            TUE 12/23/14            WED 12/24/14
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                      41          34          39          30          35
TEMP                      40 38 39 37 36 34 35 38 39 35 33 33 31 30 31 33 35 31
DEWPT                     37 38 39 37 36 34 34 33 34 33 31 32 31 29 29 28 29 28
RH                        89100100100100100 96 82 82 92 92 96100 96 92 82 78 88
WIND DIR                  SE SE SE  S  S  S SW SW  W  W NW NW NW NW NW NW NW NW
WIND SPD                  10  9  9  6  8  9  8 10 11  6 10 11 14 14 17 16 16 13
CLOUDS                    OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2
POP 12HR                     70          70          20          20          20
QPF 12HR                   0.05        0.27        0.04        0.02        0.02
SNOW 12HR                 00-00       00-00       00-00
DRIZZLE
RAIN                       C  L  L  L  L  S  S  S  S  S  S
SNOW                                                  S  S  S  S  S  S  S  S
WIND CHILL                34 31 33    29 27 28 31 32 29 25 24 21 19 20 23 25 21
MIN CHILL              30    30    30    27    27    29    24    18    18    21


DATE               THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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            26    41      30    37      20    28      16    30
TEMP          28   27 37 36 33   31 35 30 25   21 26 23 19   17 27 26
DEWPT         26   25 28 30 29   28 28 24 19   15 14 16 15   11 16 16
PWIND DIR           W     S       S    SW       W     W       W    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2   B1 SC SC B1   B1 B2 B1 B1   B1 B1 SC SC   SC SC SC
POP 12HR            5     5       5    20      10    10      10    10
RAIN                                 S  S
SNOW                                 S  S

$$



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