� Flood Potential Outlook (ESF)
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Latest
Flood Potential Outlook |
The "Flood Potential Outlook" is used for two purposes.
First, we issue the Flood Potential Outlook several times each spring to
discuss the possibility for river flooding during the spring due to
snowmelt and runoff due to high soil moisture. The product is also
issued when heavy rain may cause rivers to rise above flood
stage.
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� Hydrologic Summary (RVA) |
Latest
Hydrologic Summary |
The "Hydrologic
Summary" is a daily report of observed river and lake
stages and 24 hour changes for a number of river gauges
across the area. The flood stages, for locations where
flood stage has been defined, are also shown. This
product is issued daily between 8am and 9am.
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� Daily River and Lake Summary (RVD) |
Latest
Daily River and Lake Summary |
The "Daily River and Lake
Summary" is a daily report of river stages, 24 hour
changes, and a three day forecast. It also includes a
few lake and reservoir stages. All river points
designated as "forecast points" are included in
this summary.
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� Hydrologic Statement (RVS) |
Latest
Hydrologic Statement |
A "Hydrologic Statement" is
issued when a special hydrologic circumstances occur.
Statements may include particular information on river
stages, lake levels, and ice conditions.
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� Flood Warning (FLW) |
Latest
River Flood Warning |
A "Flood Warning" is
issued when river flooding is expected. It is issued
once a river is forecast to go above its designated flood
stage at the forecast point. The warning will be
updated by Flood Statements, unless additional flooding is
forecast; then another Flood Warning may be issued.
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� Flood Statement (FLS) |
Latest
Flood Statement |
A "Flood Statement" is
used to update information on a river in flood, or to
terminate a flood warning. It also is used to update
information on a Flood Watch.
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� Flood Watch (FFA) |
Mid-South
Watches/Warnings |
A "Flood Watch" is
issued to inform the public and cooperating agencies that
current and developing weather is such that there is a
threat of rapid flooding (also known as flash
flooding). The occurrence of flooding is neither
certain nor imminent. Persons in the watch area are
advised to check flood action plans, keep informed, and be
ready to take necessary actions if a warning is issued or
flooding is observed. A flood watch may also be issued
for a dam break.
The "Flash Flood Watch" is now called a
"Flood Watch." The NWS no longer calls these
"Flash Flood Watch"es.
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� Flash Flood Warning (FFW) |
Mid-South
Watches/Warnings |
A "Flash Flood Warning"
is issued to inform the public that flooding is imminent or
in progress. It focuses on specific counties,
communities, streams, or areas. This product is now
used in place of the "Urban and Small Stream Flood
Advisory," which still exists but will rarely be
issued.
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� Flash Flood Statement (FFS) |
Latest
Flash Flood Statement |
A "Flash Flood Statement" is
used to update information on a flash flood warning, or to
terminate a flash flood warning.
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� Dam Break Warning (FFW) |
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If a dam break has occurred or is
imminent, a "Flash Flood Warning" is issued for
the dam break. The warning includes affected counties,
the agency verifying the dam break, the name of the dam, the
name of the river, the nearest downstream town and its
distance from the dam, travel time of the crest, and a
forecast of the crest height if known.
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