Extended Streamflow Guidance
Issued by NWS

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FGUS63 KMSR 231650
ESGRDW

MISSISSIPPI RIVER ABOVE RED WING..MINNESOTA
LONG-RANGE PROBABILISTIC OUTLOOK
NATIONAL WEATHER SERVICE
NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN
1149 AM CDT MON APR 23 2018

IN TABLE 1 BELOW...THE CURRENT (CS) AND HISTORICAL (HS) OR NORMAL
PROBABILITIES OF EXCEEDING MINOR...MODERATE...AND MAJOR FLOOD STAGES
ARE LISTED FOR THE VALID TIME PERIOD.

CS VALUES INDICATE THE PROBABILITY OF REACHING A FLOOD CATEGORY
BASED ON CURRENT CONDITIONS.

HS VALUES INDICATE THE PROBABILITY OF REACHING A FLOOD CATEGORY
BASED ON HISTORICAL OR NORMAL CONDITIONS.

WHEN THE VALUE OF CS IS MORE THAN HS...THE PROBABILITY OF
EXCEEDING THAT LEVEL IS HIGHER THAN NORMAL. WHEN THE VALUE OF CS IS
LESS THAN HS...THE PROBABILITY OF EXCEEDING THAT LEVEL IS LOWER
THAN NORMAL.


:...TABLE 1--PROBABILITIES FOR MINOR...MODERATE AND MAJOR FLOODING...
                   VALID PERIOD: 04/29/2018 - 07/28/2018

                                    : CURRENT AND HISTORICAL CHANCES
                                    : OF EXCEEDING FLOOD CATEGORIES
                                    :       AS A PERCENTAGE(%)
                     CATEGORICAL    :
                  FLOOD STAGES (FT) :   MINOR    MODERATE   MAJOR
LOCATION          MINOR  MOD  MAJOR :  CS   HS   CS   HS   CS   HS
--------          ----- ----- ----- : ---- ---- ---- ---- ---- ----
:Cannon River
NRFM5           897.0  899.0  900.0    11    8   <5   <5   <5   <5
:Prairie River
TACM5            10.0   12.0   13.0    <5   <5   <5   <5   <5   <5
:Mississippi River
ATKM5            13.0   15.0   18.0   >95   45   28   30    6    8
:Long Prairie River
LGPM5             7.0    8.0   10.0    19   22    8   10   <5   <5
:Mississippi River
FTRM5            10.0   12.5   26.0   >95   44   17   18   <5   <5
:Sauk River
STCM5             6.0    7.0    9.0     7   17   <5   <5   <5   <5
:Mississippi River
SCOM5             9.0   10.0   11.0    25   26   10   13    6   <5
:South Fork Crow River
MAYM5            11.0   15.0   16.0    33   22   <5   <5   <5   <5
DELM5            16.5   17.5   18.5    18   12   12    8   <5   <5
:Crow River
RKFM5            10.0   12.0   14.0    25   14   10    9    6    5
:Mississippi River
MSPM5            16.0   16.5   17.0     7   <5    6   <5   <5   <5
:Minnesota River
SAVM5           702.0  710.0  712.0   >95   53   31    9   11    5
:Mississippi River
STPM5            14.0   15.0   17.0   >95   19   39   14   19    7
HSTM5            15.0   17.0   18.0   >95   34   56   16   23   12
:Snake River
PNCM5             9.0   10.0   11.0    <5    7   <5   <5   <5   <5
:St Croix River
STLM5            87.0   88.0   89.0    30   16   16    7   12    5
:Mississippi River
RDWM5           680.5  681.5  683.0    45   16   20   12   10   <5
REDM5            14.0   15.0   16.0    35   14   18   12   11   <5

LEGEND
CS  = CONDITIONAL SIMULATION (CURRENT OUTLOOK)
HS  = HISTORICAL SIMULATION
FT  = FEET


IN TABLE 2 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE PROBABILITY
OF EXCEEDING THE LISTED STAGE LEVELS (FT) FOR THE VALID TIME PERIOD.

:...TABLE 2--EXCEEDANCE PROBABILITIES...

.B MSR 0429 Z DH12 /DC1804231649/DRD+6/DVD90/HGVFZXT/HGVFZX9/HGVFZXH
.B1 /HGVFZX5/HGVFZXG/HGVFZX1/HGVFZXF
:
:       Chance of Exceeding Stages (ft) at Specific Locations
:             Valid  Period: 04/29/2018 - 07/28/2018
:
:           95%     90%     75%     50%     25%     10%      5%
:           ---     ---     ---     ---     ---     ---     ---
:Cannon River
NRFM5     892.8/  892.8/  892.8/  893.6/  895.3/  897.1/  898.1
:Prairie River
TACM5       7.4/    7.4/    7.5/    7.8/    8.4/    9.1/    9.7
:Mississippi River
ATKM5      13.7/   13.7/   13.8/   14.2/   15.4/   17.3/   18.3
:Long Prairie River
LGPM5       5.2/    5.2/    5.2/    5.7/    6.5/    7.7/    8.6
:Mississippi River
FTRM5      10.7/   10.7/   10.7/   11.1/   12.0/   12.9/   14.3
:Sauk River
STCM5       4.3/    4.3/    4.3/    4.3/    4.9/    5.7/    6.5
:Mississippi River
SCOM5       8.1/    8.2/    8.2/    8.4/    9.0/   10.0/   11.2
:South Fork Crow River
MAYM5      10.2/   10.2/   10.2/   10.2/   12.0/   14.1/   14.8
DELM5      15.3/   15.3/   15.3/   15.3/   16.1/   18.0/   18.5
:Crow River
RKFM5       9.1/    9.1/    9.1/    9.1/   10.1/   11.9/   14.7
:Mississippi River
MSPM5      11.7/   11.7/   11.7/   11.8/   13.1/   14.8/   16.7
:Minnesota River
SAVM5     709.1/  709.1/  709.1/  709.2/  710.6/  712.2/  714.6
:Mississippi River
STPM5      14.5/   14.5/   14.5/   14.6/   15.7/   18.7/   21.1
HSTM5      16.9/   16.9/   17.0/   17.0/   17.8/   19.8/   21.6
:Snake River
PNCM5       6.5/    6.6/    6.6/    6.6/    7.6/    8.5/    8.8
:St Croix River
STLM5      86.6/   86.6/   86.6/   86.6/   87.1/   89.6/   90.3
:Mississippi River
RDWM5     680.2/  680.2/  680.2/  680.4/  681.3/  682.8/  683.9
REDM5      13.4/   13.4/   13.4/   13.5/   14.5/   16.6/   18.0
.END


IN TABLE 3 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE PROBABILITY
OF FALLING BELOW THE LISTED STAGE LEVELS (FT) FOR THE VALID TIME PERIOD.

:...TABLE 3--NONEXCEEDANCE PROBABILITIES...

.B MSR 0429 Z DH12 /DC1804231649/DRD+6/DVD90/HGVFZNT/HGVFZN9/HGVFZNH
.B1 /HGVFZN5/HGVFZNG/HGVFZN1/HGVFZNF
:
:       Chance of Falling Below Stages (ft) at Specific Locations
:               Valid  Period: 04/29/2018 - 07/28/2018
:
:           95%     90%     75%     50%     25%     10%      5%
:           ---     ---     ---     ---     ---     ---     ---
:Cannon River
NRFM5     890.8/  890.4/  890.1/  889.8/  889.6/  889.5/  889.4
:Prairie River
TACM5       4.3/    4.2/    3.8/    3.4/    3.2/    2.7/    2.6
:Mississippi River
ATKM5       7.6/    6.7/    5.0/    3.9/    3.3/    2.7/    2.6
:Long Prairie River
LGPM5       3.6/    3.3/    2.7/    2.1/    1.8/    1.5/    1.5
:Mississippi River
FTRM5       6.5/    6.2/    5.2/    4.8/    4.5/    4.3/    4.2
:Sauk River
STCM5       3.5/    3.0/    2.4/    2.0/    1.7/    1.6/    1.4
:Mississippi River
SCOM5       6.0/    5.6/    5.1/    4.8/    4.6/    4.5/    4.4
:South Fork Crow River
MAYM5       3.9/    3.5/    3.0/    2.2/    1.8/    1.4/    1.3
DELM5       8.4/    8.1/    7.4/    6.3/    5.9/    5.7/    5.5
:Crow River
RKFM5       4.3/    4.0/    3.6/    3.1/    2.8/    2.6/    2.5
:Mississippi River
MSPM5       6.8/    6.0/    5.5/    5.2/    4.8/    4.6/    4.6
:Minnesota River
SAVM5     694.7/  692.7/  689.5/  688.2/  687.8/  687.6/  687.4
:Mississippi River
STPM5       5.2/    4.8/    3.9/    3.6/    3.4/    3.3/    3.3
HSTM5       7.9/    7.2/    6.0/    5.3/    4.9/    4.5/    4.5
:Snake River
PNCM5       3.3/    3.2/    3.1/    3.0/    3.0/    2.9/    2.9
:St Croix River
STLM5      77.2/   76.7/   76.0/   75.6/   75.4/   75.3/   75.3
:Mississippi River
RDWM5     672.1/  671.7/  670.4/  669.3/  668.2/  667.5/  667.2
REDM5       6.3/    5.6/    4.5/    3.6/    2.7/    2.4/    2.2
.END


:Long-range probabilistic outlooks are issued near the end of
:the month throughout the year.

$$
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