JKL issues Hydrologic Outlook (ESF) at Feb 27, 7:01 PM EST ...Spring Flood and Water Resources Outlook Number 2...
051
FGUS73 KJKL 280002
ESFJKL
KYC011-013-025-051-063-065-069-071-095-109-115-119-121-125-129-131-
133-147-153-159-165-173-175-189-193-195-197-199-203-205-231-235-
237-131200-
PROBABILISTIC HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
701 PM EST THU FEB 27 2025
...Spring Flood and Water Resources Outlook Number 2...
This outlook covers eastern Kentucky.
The flood risk is above normal. Minor to moderate flooding is
likely, with isolated major flooding possible.
This outlook is valid through May 2025.
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: 03/05/2025 - 06/03/2025
: 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
-------- ----- ----- ----- : --- --- --- --- --- ---
:Cumberland River
Barbourville 27.0 33.0 38.0 : 42 38 14 17 <5 <5
Pineville 1002.0 1010.0 1019.0 : 45 39 24 21 5 8
Williamsburg 21.0 27.5 32.0 : 62 56 31 26 13 16
:Poor Fork Cumberland River
Baxter 16.0 18.0 20.0 : 29 34 19 21 12 14
:Kentucky River
Heidelberg 20.0 24.0 30.0 : 54 51 18 14 <5 <5
Ravenna 21.0 25.0 31.0 : 65 66 38 46 18 26
:Levisa Fork
Pikeville 35.0 42.0 50.0 : 21 19 <5 <5 <5 <5
Prestonsburg 40.0 43.0 46.0 : <5 5 <5 <5 <5 <5
Paintsville 35.0 38.0 42.0 : 25 19 19 12 11 6
:North Fork Kentucky River
Hazard 20.0 27.0 33.0 : 25 17 9 <5 <5 <5
Jackson 29.0 31.0 40.0 : 32 31 28 25 6 7
:Poor Fork Cumberland River
Cumberland 12.0 14.0 16.0 : 10 <5 <5 <5 <5 <5
:Red River
Clay City 17.0 19.0 23.0 : 37 30 27 20 10 7
:Russell Fork
Elkhorn City 21.0 22.0 24.0 : <5 <5 <5 <5 <5 <5
:South Fork Kentucky River
Booneville 27.0 32.0 38.0 : 53 47 35 26 14 11
Oneida 29.0 34.0 38.0 : 18 19 6 6 <5 <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...
Chance of Exceeding Stages
at Specific Locations
Valid Period: 03/05/2025 - 06/03/2025
Location 95% 90% 75% 50% 25% 10% 5%
-------- ------ ------ ------ ------ ------ ------ ------
:Cumberland River
Barbourville 12.3 14.4 19.4 26.1 28.9 34.7 38.0
Pineville 983.8 984.5 992.7 999.9 1009.6 1015.8 1019.3
Williamsburg 12.0 14.9 18.2 23.5 28.8 33.0 35.7
:Poor Fork Cumberland River
Baxter 4.1 5.7 10.5 14.0 16.4 20.6 24.7
:Kentucky River
Heidelberg 16.4 17.1 18.2 20.3 22.8 25.2 25.8
Ravenna 17.8 18.5 19.7 22.9 27.4 34.7 36.0
:Levisa Fork
Pikeville 11.6 13.1 15.7 25.4 34.0 37.9 41.6
Prestonsburg 9.9 11.4 15.0 24.0 32.2 37.1 38.6
Paintsville 10.5 12.0 16.5 25.7 34.9 42.7 45.7
:North Fork Kentucky River
Hazard 6.9 8.1 10.3 15.2 19.9 26.1 29.8
Jackson 9.2 10.9 12.8 21.3 32.1 37.0 41.2
:Poor Fork Cumberland River
Cumberland 4.9 5.9 7.2 9.5 10.6 12.0 13.1
:Red River
Clay City 8.7 9.6 11.3 14.2 19.4 22.9 24.3
:Russell Fork
Elkhorn City 9.0 9.4 10.3 12.9 15.1 18.3 19.6
:South Fork Kentucky River
Booneville 12.9 14.6 18.0 28.2 34.4 39.2 41.2
Oneida 13.9 14.4 17.0 22.7 27.6 30.6 35.0
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...
Chance of Falling Below Stages
at Specific Locations
Valid Period: 03/05/2025 - 06/03/2025
Location 95% 90% 75% 50% 25% 10% 5%
-------- ------ ------ ------ ------ ------ ------ ------
:Cumberland River
Barbourville 2.6 2.6 2.3 2.2 2.1 2.0 2.0
Pineville 977.2 977.2 976.9 976.8 976.7 976.7 976.6
Williamsburg 4.4 4.2 3.8 3.6 3.4 3.4 3.4
:Poor Fork Cumberland River
Baxter 1.7 1.7 1.5 1.4 1.4 1.4 1.3
:Kentucky River
Heidelberg 10.3 9.9 9.6 9.4 9.3 9.2 9.2
Ravenna 11.5 11.1 10.8 10.5 10.4 10.3 10.3
:Levisa Fork
Pikeville 7.3 7.1 6.9 6.6 6.4 6.4 6.3
Prestonsburg 3.5 3.2 2.7 2.4 2.0 2.0 1.9
Paintsville 4.8 4.5 3.9 3.4 3.0 2.9 2.8
:North Fork Kentucky River
Hazard 4.5 4.4 4.3 4.2 4.1 4.1 4.1
Jackson 2.2 1.9 1.7 1.5 1.4 1.3 1.3
:Poor Fork Cumberland River
Cumberland 3.7 3.6 3.6 3.5 3.5 3.5 3.4
:Red River
Clay City 3.3 3.2 3.0 2.8 2.7 2.6 2.6
:Russell Fork
Elkhorn City 7.0 6.8 6.7 6.6 6.5 6.4 6.3
:South Fork Kentucky River
Booneville 5.0 4.7 4.3 4.2 4.0 3.9 3.8
Oneida 8.0 7.8 7.3 7.1 6.8 6.7 6.6
These long-range probabilistic outlooks contain forecast values that
are calculated using multiple season scenarios from 30 or more years
of climatological data...including current conditions of the
river...soil moisture...snow cover...and 30 to 90 day long-range
outlooks of temperature and precipitation. By providing a range of
probabilities...the level of risk associated with long-range planning
decisions can be determined. These probabilistic forecasts are part
of the National Weather Service's advanced hydrologic prediction
service.
Precipitation and temperatures through February have averaged well
above normal across the area. Current soil moisture was above
normal and streamflows were above normal to much above normal across
eastern Kentucky. Reservoir levels were also near to above normal.
There is currently no snowpack in place.
Through early next week, little rainfall is expected, before a
stronger storm system takes aim at the region Tuesday into Wednesday.
This could bring a soaking rainfall to the area and result in some
stronger rises on area rivers.
The 6 to 10 day outlook, which runs from March 5th to March 9th,
calls for near normal temperatures and above normal precipitation.
The 8 to 14 day outlook, which runs from March 7th to March 13th,
calls for near normal temperatures and above normal precipitation.
The outlook for March calls for near normal temperatures and above
normal precipitation. Normal temperatures for March are in the upper
40s and normal precipitation is between 4.5 and 5 inches.
The seasonal outlook, which covers March through May, calls for above
normal temperatures and precipitation.
Additional supportive data and explanations are available for
precipitation and temperature outlooks as well as soil moisture at
www.cpc.noaa.gov.
Current snowpack data are available at www.nohrsc.noaa.gov/nsa.
Current streamflow data are available at water.usgs.gov/waterwatch.
Current reservoir levels for this area are available at www.lrl-
wc.usace.army.mil/reports/lkreport.html.
Visit our web site weather.gov/jkl for more weather and water
information.
The next outlook will be issued March 13th.
$$
GEOGERIAN
Source: JKL issues Hydrologic Outlook (ESF) at Feb 27, 7:01 PM EST ...Spring Flood and Water Resources Outlook Number 2... (https://mesonet.agron.iastate.edu/p.php?pid=202502280001-KJKL-FGUS73-ESFJKL)
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