Point Forecast Matrices
Issued by NWS Des Moines, IA

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
544 AM CST THU FEB 26 2015

IAZ060-262200-
DES MOINES-POLK IA
41.54N  93.65W ELEV. 924 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                      12         -10          11          -4          22
TEMP              4  6 10 12  5  2 -4 -7-10 -3  6 11  7  1 -4 -3 -3  7 17 22 20
DEWPT            -5 -5 -3 -3 -5 -7-10-12-14-11 -6 -4 -4 -5 -8 -7 -6  1  7  9 11
RH               65 60 55 50 62 65 75 78 82 68 57 50 60 75 82 82 86 76 64 57 67
WIND DIR          N  N  N NW NW NW NW NW NW  W  W SW SE SE SE SE SE SE SE SE SE
WIND SPD         14 14 13 13 10  9  6  5  4  3  2  3  2  3  4  5  6  9 11 12 11
CLOUDS           SC SC SC SC SC FW FW CL CL CL CL FW FW FW FW FW SC B1 B2 OV OV
POP 12HR                      5           0           0           0          60
QPF 12HR                      0           0           0           0        0.03
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                    L  L  D
WIND CHILL      -15-12 -6 -4-10-13-18-20-22-11     5    -7-14-15-16 -7  4 10  8
MIN CHILL       -16   -16   -11   -19   -23   -22     1   -15   -17   -14     6


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            18    31      13    28      24    34      15    24
TEMP          19   18 29 27 16   14 25 28 24   27 33 32 24   16 18 24
DEWPT         14   17 20 18  8    7 15 17 20   22 28 24 17   11 10 12
PWIND DIR           S     W      NW    NE      SE     E       N     N
WIND CHAR          GN    LT      GN    LT      GN    GN      GN    GN
AVG CLOUDS    OV   OV OV B2 B1   SC SC B2 OV   OV OV OV B2   B2 B1 B1
POP 12HR           80    40      10    20      60    50      20    10
RAIN                                               C  C
SLEET                                      C    C
SNOW           D    L  C  C          S  S  L    L  C  C  S    S  S  S

$$
IAZ039-262200-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N  92.40W ELEV. 865 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                       7         -18           8         -13          16
TEMP             -6 -2  4  7 -1 -6-12-15-18 -9  2  8  1 -6-12-13-12 -2  9 16 14
DEWPT            -9 -7 -4 -3 -5-10-14-16-18-12 -6 -4 -5 -8-13-13-14 -5  4  6  7
RH               86 79 68 63 83 82 90 95100 86 68 57 75 91 95100 90 87 80 64 73
WIND DIR         NW  N  N NW NW NW NW NW NW  W  W SW SW  S  S  S  S  S  S SE SE
WIND SPD         12 13 14 14 10  9  8  6  5  5  5  5  2  2  3  4  5  8 12 12 11
CLOUDS           FW SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC B2 OV
POP 12HR                      5           0           0           0          20
QPF 12HR                      0           0           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                    S  S  L
WIND CHILL      -25-21-14-10-17-23-29-31-33-22 -9 -2 -5-12-23-25-26-17 -7  2  0
MIN CHILL       -25   -25   -19   -31   -34   -32    -7   -25   -26   -22    -3


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            13    27       7    25      20    30      14    20
TEMP          14   14 26 23 13    8 22 23 20   24 30 28 22   15 15 20
DEWPT         10   13 18 16  6    3 13 15 17   19 26 22 16   11  9 11
PWIND DIR           S     W      NW    NE      SE    SE       N    NW
WIND CHAR          GN    LT      GN    LT      GN    GN      GN    GN
AVG CLOUDS    OV   OV OV B2 B1   SC SC B1 B2   OV OV OV OV   B2 B1 B1
POP 12HR           70    30       5    20      60    60      30    10
SNOW           L    L  C  C          S  S  L    L  L  L  C    C

$$
IAZ048-262200-
AMES-STORY IA
41.99N  93.62W ELEV. 936 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                       8         -17           9         -11          20
TEMP             -4 -1  4  8  1 -4-12-14-17 -9  4  9  3 -4-11 -9 -8  2 14 20 18
DEWPT            -7 -6 -4 -3 -5 -9-12-15-17-13 -5 -4 -4 -7-11-10 -9 -1  6  8 10
RH               86 79 68 60 75 78100 95100 82 65 54 72 86100 95 95 87 70 59 70
WIND DIR          N  N  N NW NW NW NW NW NW  W  W SW  S  S SE SE SE SE  S SE SE
WIND SPD         18 14 14 14 10  9  8  5  4  3  3  4  2  2  4  5  6  9 11 12 12
CLOUDS           FW SC SC SC FW FW CL CL CL CL CL CL FW FW FW FW SC SC B2 B2 OV
POP 12HR                      5           0           0           0          50
QPF 12HR                      0           0           0           0        0.02
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                    C  C  L
WIND CHILL      -27-21-15 -9-15-20-29-28-30-18 -3  1   -10-23-22-23-13  1  7  6
MIN CHILL       -28   -26   -15   -29   -33   -30    -3   -23   -24   -19     2


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            14    29       8    26      22    31      12    21
TEMP          15   14 28 23 12    9 23 25 22   27 31 28 22   13 18 21
DEWPT         13   14 19 17  7    4 15 17 19   21 26 22 16    9 10 11
PWIND DIR           S     W      NW    NE      SE     E       N    NW
WIND CHAR          GN    LT      GN    LT      GN    GN      GN    GN
AVG CLOUDS    OV   OV OV B2 B1   SC SC B2 OV   OV OV OV B2   B2 SC B1
POP 12HR           70    30       5    20      60    50      20    10
SNOW           L    L  C  S          S  S  L    L  C  C  S    S

$$
IAZ004-262200-
ESTHERVILLE-EMMET IA
43.40N  94.75W ELEV. 1315 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                       4         -18          10          -5          19
TEMP             -9 -6 -1  4 -3 -9-16-16-18-10  3 10  4  0 -5 -4 -3  4 14 19 17
DEWPT           -11-10 -7 -6 -7-11-16-16-18-12 -5 -2 -3 -5 -8 -8 -7 -1  6  8 11
RH               91 82 75 62 82 91100100100 90 68 57 72 79 86 82 82 79 70 61 77
WIND DIR          N NW  N NW NW NW NW NW  W  W  W SW  S  S  S  S  S  S  S  S  S
WIND SPD         14 16 16 14 11 10  8  5  5  5  6  6  5  6  9  8  9 13 14 14 13
CLOUDS           FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC B1 B2 OV
POP 12HR                      5           0           0           0          20
QPF 12HR                      0           0           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                    S  S  C
WIND CHILL      -31-28-21-14-21-27-34-31-33-23 -9 -1 -8-13-21-19-19-14 -1  5  3
MIN CHILL       -31   -32   -21   -34   -33   -31    -8   -21   -21   -19     1
WIND CHILL        Y  Y


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            12    27       7    26      19    26       9    18
TEMP          14   12 26 23 10    9 24 23 20   20 25 24 17    9 16 16
DEWPT         12   10 16 12  4    3 15 17 18   16 20 18  8    5  8  9
PWIND DIR           S     W      NW    SW      SE     E       N    NW
WIND CHAR          GN    GN      GN    GN      GN    GN      BZ    BZ
AVG CLOUDS    OV   OV B2 SC SC   FW SC B1 B2   OV OV OV B2   B2 SC B1
POP 12HR           40    10       5    10      50    40      20    10
SNOW           C    S                      C    C  C  C  S    S

$$
IAZ035-262200-
FORT DODGE-WEBSTER IA
42.55N  94.18W ELEV. 1165 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                       6         -18           9          -8          19
TEMP             -5 -3  2  6  0 -5-13-15-18-10  2  9  3 -2 -8 -7 -6  2 13 19 17
DEWPT           -10 -8 -5 -4 -6-10-13-15-18-13 -5 -3 -5 -6-10 -9 -8 -1  6  8 10
RH               78 78 72 62 75 78100100100 86 72 57 68 82 91 91 91 87 73 61 73
WIND DIR          N  N  N NW NW NW NW NW NW  W  W SW  S  S  S  S  S  S  S  S SE
WIND SPD         16 14 13 13 10  9  6  5  4  3  4  5  3  4  5  6  8 10 13 14 12
CLOUDS           CL FW SC SC FW FW FW CL CL CL FW FW FW FW FW FW SC SC B1 B2 OV
POP 12HR                      5           0           0           0          40
QPF 12HR                      0           0           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                    C  C  L
WIND CHILL      -26-23-16-11-16-21-29-29-30-19 -8  0 -4-12-21-21-21-13 -2  5  4
MIN CHILL       -26   -26   -16   -30   -31   -30    -6   -21   -23   -19     0
WIND CHILL        Y  Y


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            13    27       8    26      20    29      11    20
TEMP          14   13 26 22 12    9 23 24 20   22 29 25 19   11 16 20
DEWPT         12   12 18 14  4    2 15 17 18   18 23 19 13    7  9 10
PWIND DIR           S     W      NW    SW      SE     E       N    NW
WIND CHAR          GN    GN      GN    LT      GN    GN      BZ    GN
AVG CLOUDS    OV   OV B2 B1 SC   FW SC B1 OV   OV OV OV B2   B2 SC B1
POP 12HR           60    20       5    20      60    50      20    10
SNOW           L    C  S             S  S  L    L  C  C  S    S

$$
IAZ094-262200-
LAMONI-DECATUR IA
40.63N  93.90W ELEV. 1125 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                      12          -8          14           2          24
TEMP              3  5 10 11  6  0 -3 -6 -8 -2  9 14 11  6  3  2  2  9 21 24 22
DEWPT            -2 -3 -1 -1 -3 -5 -7-10-11 -8 -4 -2 -1 -1 -2 -2 -2  4 10 12 14
RH               79 69 60 57 66 79 82 82 86 75 54 48 57 72 79 83 83 80 62 60 71
WIND DIR          N  N  N  N  N  N  N  N  N  N NW SE SE SE SE SE SE SE SE SE SE
WIND SPD         18 17 16 14 11  9  6  5  4  2  1  2  2  3  4  5  6  9 11 11 11
CLOUDS           B1 SC FW SC SC FW FW CL CL FW FW FW FW SC SC SC SC B2 OV OV OV
POP 12HR                      5           0           0           0          70
QPF 12HR                      0           0           0           0        0.07
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                    L  L  D
WIND CHILL      -17-15 -7 -5-10-15-17-19-19             -1 -6 -9-10 -4  9 13 10
MIN CHILL       -17   -17   -11   -17   -19   -16     5    -8   -11    -8    10


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            18    31      15    30      24    35      16    24
TEMP          19   18 29 28 20   15 27 30 25   26 35 32 23   16 19 24
DEWPT         17   18 23 21 15   10 17 20 24   24 31 27 19   13 12 14
PWIND DIR           S     W      NW    NE      SE    NE       N     N
WIND CHAR          GN    LT      GN    LT      GN    GN      GN    GN
AVG CLOUDS    OV   OV OV OV B2   B1 B1 OV OV   OV OV OV B2   B2 B1 B1
POP 12HR           80    50      10    20      60    50      20    20
RAIN                                               C  C
SLEET                                      C    C
SNOW           D    L  C  C          S  S  L    L  C  C  S    S  S  S

$$
IAZ017-262200-
MASON CITY-CERRO GORDO IA
43.16N  93.33W ELEV. 1189 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                       5         -17           8         -12          16
TEMP             -8 -4  1  5 -1 -5-11-13-17 -9  1  8  0 -6-12-11-12 -3  8 16 14
DEWPT           -11 -8 -5 -4 -5 -9-14-16-18-12 -5 -3 -5 -8-12-12-13 -4  4  6  8
RH               86 82 75 65 83 82 86 86 95 86 75 60 79 91100 95 95 95 83 64 76
WIND DIR         NW  N  N NW NW NW NW NW  W  W  W SW  S  S  S  S  S  S  S  S SE
WIND SPD         13 14 14 14 12 11  9  8  6  6  6  6  5  5  6  5  8 11 13 13 13
CLOUDS           CL FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC B2 OV
POP 12HR                      5           0           0           0          20
QPF 12HR                      0           0           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                    S  S  C
WIND CHILL      -29-24-18-13-19-23-29-30-33-24-12 -3-12-19-27-24-28-21 -8  1 -2
MIN CHILL       -29   -28   -20   -29   -33   -31   -13   -27   -29   -26    -5
WIND CHILL        Y  Y


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            12    26       6    25      18    28      10    18
TEMP          13   12 25 21 12    7 22 23 18   21 28 25 20   10 15 17
DEWPT         10   11 18 12  5    2 14 16 17   17 22 18 14    7  8  8
PWIND DIR           S     W      NW    SW      SE     E       N    NW
WIND CHAR          GN    GN      GN    LT      GN    GN      BZ    GN
AVG CLOUDS    OV   OV OV B1 SC   FW SC B1 B2   OV OV OV B2   OV B1 B1
POP 12HR           50    20       5    10      50    50      20    10
SNOW           C    C  S                   C    C  C  C  S    S

$$
IAZ049-262200-
MARSHALLTOWN-MARSHALL IA
42.11N  92.91W ELEV. 972 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                       8         -19           8         -13          17
TEMP             -4  0  5  8  0 -5-11-15-19-10  2  8  1 -6-13-10-10  0 10 17 15
DEWPT            -7 -6 -3 -3 -5-10-13-16-19-14 -6 -5 -5 -7-13-12-12 -3  6  7  9
RH               86 75 69 60 79 78 90 95100 82 68 54 75 95100 90 90 87 83 64 77
WIND DIR          N  N  N NW NW NW NW NW NW  W  W  W  S  S  S  S SE SE  S SE SE
WIND SPD         14 16 16 14 10 10  9  6  5  4  4  4  2  2  3  5  6  9 12 12 12
CLOUDS           FW SC SC SC SC FW FW FW CL CL CL FW FW FW FW FW SC SC B1 B2 OV
POP 12HR                      5           0           0           0          40
QPF 12HR                      0           0           0           0        0.02
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                    C  C  L
WIND CHILL      -24-20-14 -9-15-22-29-31-34-22 -8 -1   -12-24-24-25-15 -5  4  1
MIN CHILL       -24   -24   -16   -30   -34   -32    -5   -25   -26   -23    -1


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            13    28       8    25      21    30      14    20
TEMP          14   14 27 23 13    9 22 23 22   26 30 28 23   15 16 20
DEWPT         12   14 19 17  7    4 14 16 18   21 27 22 17   11 10 11
PWIND DIR           S     W      NW    NE      SE     E       N    NW
WIND CHAR          GN    GN      GN    LT      GN    GN      GN    GN
AVG CLOUDS    OV   OV OV B2 B1   SC SC B2 OV   OV OV OV B2   B2 B1 B1
POP 12HR           70    30       5    20      60    60      20    10
SNOW           L    L  C  S          S  S  L    L  L  L  S    S

$$
IAZ086-262200-
OTTUMWA-WAPELLO IA
41.11N  92.45W ELEV. 836 FT
544 AM CST THU FEB 26 2015

DATE             THU 02/26/15            FRI 02/27/15            SAT 02/28/15
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                      12         -14           9          -9          20
TEMP              5  6 10 12  4  0 -7-10-14 -6  3  9  2 -3 -9 -6 -8  3 14 20 18
DEWPT            -1 -2 -1 -1 -3 -6-10-13-15-10 -5 -3 -4 -6-10 -9 -9 -1  8  9 11
RH               76 69 60 55 72 75 86 86 95 82 68 57 75 86 95 86 95 83 76 62 73
WIND DIR          N  N  N  N NW NW NW NW NW NW  W  W SE SE SE SE SE SE SE SE SE
WIND SPD         17 18 16 16 11 10  9  6  5  4  3  3  1  2  3  4  6  9 11 11 11
CLOUDS           B1 B1 FW SC SC FW FW FW CL FW FW FW FW FW FW SC SC B1 B1 B2 OV
POP 12HR                      5           0           0           0          60
QPF 12HR                      0           0           0           0        0.03
SNOW 12HR                 00-00       00-00       00-00
FLURRIES
SNOW                                                                    L  L  D
WIND CHILL      -14-13 -7 -4-12-16-24-26-28-17 -4  2      -19-17-23-12  0  8  5
MIN CHILL       -14   -14   -12   -25   -30   -26    -1   -20   -23   -18     3


DATE               SUN 03/01/15  MON 03/02/15  TUE 03/03/15  WED 03/04/15
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            16    30      12    28      23    34      18    24
TEMP          17   18 28 27 17   13 25 25 24   28 32 33 24   19 17 24
DEWPT         15   18 22 21 13    6 15 18 21   25 30 28 19   16 13 14
PWIND DIR          SE     W      NW    NE      SE    SE       N     N
WIND CHAR          GN    LT      GN    LT      GN    GN      GN    GN
AVG CLOUDS    OV   OV OV B2 B1   SC B1 B2 OV   OV OV OV B2   B2 B1 B1
POP 12HR           80    60      10    20      60    60      20    10
RAIN                                               L  L
SLEET                                      C    C
SNOW           D    L  L  C          S  S  L    L  L  L  S    S

$$



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