Alert archive / West Virginia / Areal Flood Warnings in 2020

Areal Flood Warning 9, NWS Charleston, WV

February 10, 2020Lincoln County, West Virginia

NWS Charleston, WV issued this areal flood warning at Feb 10, 2020, 6:48 PM EST for Lincoln County, West Virginia. It was in force for 23 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 10, 2020, 6:48 PM EST (23:48 UTC)
Expired
Feb 11, 2020, 6:00 PM EST
In force
23 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

County Lincoln County, WV

The radar

The Charleston,WV radar (KRLX), 34 km from the middle of the area, began a volume at 23:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.8 hours before the alert went out and 301 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2020-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2020-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 523 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
532 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
523 m²/s²
0-3 km storm-relative helicity
565 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this areal flood warning went out at Feb 10, 2:28 PM EST, 4 hours 20 minutes earlier.

Area forecast discussion, Feb 10, 2:28 PM EST, 4 hours 20 minutes before
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Hazardous weather outlook, Feb 10, 4:48 AM EST, 14 hours before
Hazardous Weather Outlook
National Weather Service Charleston WV
448 AM EST Mon Feb 10 2020

KYZ105-VAZ003-004-WVZ005-013-015-024>027-033-034-515>520-111000-
Lawrence KY-Dickenson-Buchanan-Wayne-Lincoln-Kanawha-Mingo-Logan-
Boone-Clay-McDowell-Wyoming-Northwest Raleigh-Southeast Raleigh-
Northwest Fayette-Southeast Fayette-Northwest Nicholas-
Southeast Nicholas-
448 AM EST Mon Feb 10 2020

This Hazardous Weather Outlook is for portions of northeast
Kentucky, southwest Virginia, and portions of central West
Virginia, southeast West Virginia, southern West Virginia and
western West Virginia.

.DAY ONE...Today and Tonight.

There is a slight risk out for excessive rainfall today and tonight,
and one inch or more of rainfall can be expected, which could cause
minor water issues and or flooding to poor drainage areas.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Another system expected late Wednesday through Thursday will bring
the potential for periods of moderate to heavy rainfall. This could
lead to water issues and or possible flooding, especially to poor
drainage areas. There is a slight risk of excessive rainfall along
the Ohio River Valley from Wednesday morning into Thursday morning.
There is the potential for an additional 2 inches or more of
rainfall in localized areas during this time frame.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions by calling the toll-free spotter hotline, or by other
methods detailed at www.weather.gov/rlx/reports.

WVZ028-039-040-521>526-111000-
Braxton-Upshur-Barbour-Northwest Webster-Southeast Webster-
Northwest Pocahontas-Southeast Pocahontas-Northwest Randolph-
Southeast Randolph-
448 AM EST Mon Feb 10 2020

This Hazardous Weather Outlook is for portions of central West
Virginia, northeast West Virginia and northern West Virginia.

.DAY ONE...Today and Tonight.

There is a slight risk out for excessive rainfall today and tonight,
and one to two inches of rainfall can be expected, which could cause
minor water issues and or flooding to poor drainage areas.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Another system expected late Wednesday through Thursday will bring
the potential for periods of moderate to heavy rainfall. This could
lead to water issues and or flooding, especially to poor drainage
areas. There is the potential for up to 2 inches additional rainfall
in localized areas during this time frame.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions by calling the toll-free spotter hotline, or by other
methods detailed at www.weather.gov/rlx/reports.

KYZ101>103-OHZ066-067-075-076-083>087-WVZ006>011-014-016>020-029>032-
111000-
Greenup-Carter-Boyd-Perry-Morgan-Athens-Washington-Jackson OH-Vinton-
Meigs-Gallia-Lawrence OH-Cabell-Mason-Jackson WV-Wood-Pleasants-
Tyler-Putnam-Roane-Wirt-Calhoun-Ritchie-Doddridge-Gilmer-Lewis-
Harrison-Taylor-
448 AM EST Mon Feb 10 2020

This Hazardous Weather Outlook is for portions of northeast
Kentucky, southeast Ohio, and portions of central West Virginia,
northern West Virginia, southern West Virginia and western West
Virginia.

.DAY ONE...Today and Tonight.

There is a low probability for widespread hazardous weather. Up to
one inch or more of rainfall can be expected, which could cause
minor waters issues.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Another system expected late Wednesday through Thursday will bring
the potential for periods of moderate to heavy rainfall. This could
lead to water issues and or flooding, especially to poor drainage
areas. There is a slight risk of excessive rainfall along the Ohio
River Valley from Wednesday morning into Thursday morning. There is
the potential for an additional 2 inches or more of rainfall in
localized areas during this time frame.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions by calling the toll-free spotter hotline, or by other
methods detailed at www.weather.gov/rlx/reports.

In the hours before

Special weather statement, Feb 10, 1:21 PM EST, 5 hours 27 minutes before
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The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 10, 11:53 AM ESTSpecial Weather StatementRLXPleasants3 hr
Feb 10, 1:21 PM ESTSpecial Weather StatementRLXDoddridge, Pleasants, Tyler3 hr
Feb 10, 4:20 PM ESTAreal Flood WarningRLXTyler6 hr
Feb 10, 2:04 PM ESTAreal Flood WarningRLXWashington12 hr

Nearby

Areal Flood Warnings in West Virginia, 2020Every areal flood warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.