000
AGUS71 KTIR 171723
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
123 PM EDT Friday, May 17, 2013

...HYDROMETEOROLOGICAL DISCUSSION...
Low pressure will approach the Ohio Valley from the southwest today. Moisture
ahead of the low will continue to lift north into the southern and western
portions of the basin today fueling scattered showers and isolated
thunderstorms. This pattern will continue for the next couple of days, though
activity will move from southwest to southeast as the low moves eastward
across the southern Ohio Valley.

By Monday the low will move off to the east and high pressure will build into
the basin. This will not keep the entire basin dry, but rains will be limited
and confined mainly to the edges of the basin. Chances of rain will increase
Tuesday as a front approaches from the west. The front is expected to move
through the basin around Wednesday of next week. Drier, more stable conditions
are expected behind the cold front.

...FLOOD POTENTIAL DISCUSSION...
No flooding is occurring at this time. While there are significant chances for
rain across the middle of the Ohio Valley through mid-next week, it is
expected to be scattered enough that additional river flooding is not
forecast. Some local or flash flooding is possible.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain was generally oriented east-west across the basin through eastern
Illinois, the southern halves of Indiana and Ohio as well as northern Kentucky
and most of West Virginia. Basin averages were mostly 0.50 inch or less, but
a narrow axis from the southeast Illinois, across southern Indiana and across
northern Kentucky featured some basins with up to 2 inches of rainfall.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Day 1 (8am EDT Friday - 8am EDT Saturday):
Rain is forecast across all but the northeast Ohio Valley. Basin average
amounts will increase to the southwest with totals ranging from 0.50 to 0.75
in middle Tennessee and middle Kentucky.

Day 2 (8am EDT Saturday - 8am EDT Sunday):
Rain is expected over all but the far north and west portions of the basin.
Basin average amounts increase to the southeast with far western Virginia
expecting near 0.50 inch.

...RIVER BASINS IN FLOOD...
None.

Detailed precipitation graphics and other maps are available on the HAS Support
Page at this web address:  http://weather.gov/ohrfc/HAS

QPF from OHRFC, HPC, et al., can be seen at weather.gov/ohrfc/Forecast.php

$$
Link Crawford

000
AGUS71 KTIR 161638
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1238 PM EDT Thursday, May 16, 2013

...HYDROMETEOROLOGICAL DISCUSSION...
A stationary front oriented east to west over the Ohio Valley will enhance
the chances of precipitation generally along a band between I-70 and the Ohio
River. Additionally, a weather disturbance approaching the area from the
southwest will increase moisture in the southern Ohio Valley. This feature will
move very slowly across the south, enhancing chances of precipitation there
through the weekend.

A cold front is forecast to push through the region by mid-next week,
providing a dose of rain to the entire area.

...FLOOD POTENTIAL DISCUSSION...
No flooding is occurring at this time. While there are significant chances for
rain across the middle of the Ohio Valley through mid-next week, it is expected
to be scattered enough that additional river flooding is not expected. Some
local or flash flooding is possible.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain generally was scattered across northern Indiana, much of Ohio, western
Pennsylvania and northern West Virginia. Basin average amounts were mainly 0.50
inch or less.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Day 1 (8am EDT Thursday - 8am EDT Friday):
Rain is forecast in eastern Illinois, much of Indiana, the southern half of
Ohio, much of middle Tennessee, Kentucky and West Virginia. Basin average
amounts will be highest in southern Ohio and northern West Virginia at 0.50 to
0.80 inch.

Day 2 (8am EDT Friday - 8am EDT Saturday):
All but the northeast Ohio Valley will see rainfall. Amounts will increase to
the southwest with basin averages being 0.50 to 0.75 inch in western Kentucky
and middle Tennessee.

...RIVER BASINS IN FLOOD...
None.

Detailed precipitation graphics and other maps are available on the HAS Support
Page at this web address:  http://weather.gov/ohrfc/HAS

QPF from OHRFC, HPC, et al., can be seen at weather.gov/ohrfc/Forecast.php

$$
Link Crawford

000
AGUS71 KTIR 151524
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1124 AM EDT Wednesday, May 15, 2013

...HYDROMETEOROLOGICAL DISCUSSION...
A cold front will drop through the northern Ohio Valley today and tonight
 and will stall out around the Ohio River. The front is acting as a focus for
showers and storms to develop. This activity will likely continue through the
end of the week.

Over the weekend and into early next week, warm and unsettled conditions will
continue, though no significant organized storm system is expected.

A cold front is forecast to push through the region by mid-next week,
providing a dose of rain to the entire area.

...FLOOD POTENTIAL DISCUSSION...
Minor flooding continues in portions of the Lower Wabash, but stages continue
to fall. No additional flooding is expected at this time.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light showers fell across portions of the north and northeast Ohio Valley.
Amounts were 0.15 inch or less.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Day 1 (8am EDT Wednesday - 8am EDT Thursday):
Rain is forecast across areas north of the Ohio River as well as northern
Kentucky and West Virginia. Basin average amounts will be heaviest along an
axis roughly aligned with the I-70 corridor at around 0.25 inch.

Day 2 (8am EDT Thursday - 8am EDT Friday):
Rain is forecast from east to west across the middle of the Ohio Valley.
Basin averages will be highest, ranging from 0.25 to 0.50 inch, in east
central Illinois, the southern half of Indiana, southern Ohio, northern
Kentucky and much of West Virginia.

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Wednesday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Wabash River     Riverton              15         15.7    Falling

Detailed precipitation graphics and other maps are available on the HAS Support
Page at this web address:  http://weather.gov/ohrfc/HAS

QPF from OHRFC, HPC, et al., can be seen at weather.gov/ohrfc/Forecast.php
* Tendency based on observed value and a 1-day forecast.
$$
Link Crawford