Alert archive / West Virginia / Flash Flood Warnings in 2019

Flash Flood Warning 58, NWS Charleston, WV

July 21, 20194 counties in West Virginia

NWS Charleston, WV issued this flash flood warning at Jul 21, 2019, 4:14 PM EDT for 4 counties in West Virginia. It was in force for 3 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
Jul 21, 2019, 4:14 PM EDT (20:14 UTC)
Expired
Jul 21, 2019, 7:15 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Braxton County, WV, Clay County, WV, Nicholas County, WV, Webster County, WV

The radar

The Charleston,WV radar (KRLX), 87 km from the middle of the area, began a volume at 20:17 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, 8.2 hours before the alert went out and 221 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 2019-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1836 joules per kilogram.LCLLFCEL10008507005003002001001 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 2019-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 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
1836 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
870 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
72 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 flash 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 flash flood warning went out at Jul 21, 2:35 PM EDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jul 21, 2:35 PM EDT, 1 hour 39 minutes before
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Hazardous weather outlook, Jul 21, 5:00 AM EDT, 11 hours 14 minutes before
Hazardous Weather Outlook
National Weather Service Charleston WV
500 AM EDT Sun Jul 21 2019

WVZ519-520-522>524-526-220900-
Northwest Nicholas-Southeast Nicholas-Southeast Webster-
Northwest Pocahontas-Southeast Pocahontas-Southeast Randolph-
500 AM EDT Sun Jul 21 2019

This Hazardous Weather Outlook is for portions of northeast West
Virginia and southeast West Virginia.

.DAY ONE...Today and Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a slight risk of excessive rainfall on Monday and Monday
night.

.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>103-105-OHZ085>087-WVZ005>011-013>020-027>032-039-040-521-525-
220900-
Greenup-Carter-Boyd-Lawrence KY-Meigs-Gallia-Lawrence OH-Wayne-
Cabell-Mason-Jackson WV-Wood-Pleasants-Tyler-Lincoln-Putnam-Kanawha-
Roane-Wirt-Calhoun-Ritchie-Doddridge-Clay-Braxton-Gilmer-Lewis-
Harrison-Taylor-Upshur-Barbour-Northwest Webster-Northwest Randolph-
500 AM EDT Sun Jul 21 2019

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

.DAY ONE...Today and Tonight.

There is a marginal risk of severe thunderstorms today and early
tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a slight risk of excessive rainfall on Monday and Monday
night.

There is a marginal risk of severe thunderstorms Monday and Monday
night.

.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.

OHZ066-067-075-076-083-084-220900-
Perry-Morgan-Athens-Washington-Jackson OH-Vinton-
500 AM EDT Sun Jul 21 2019

This Hazardous Weather Outlook is for portions of southeast Ohio.

.DAY ONE...Today and Tonight.

There is a marginal risk of severe thunderstorms today and early
tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a marginal risk of severe thunderstorms Monday and Monday
night.

.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.

VAZ003-004-WVZ024>026-033-034-515>518-220900-
Dickenson-Buchanan-Mingo-Logan-Boone-McDowell-Wyoming-
Northwest Raleigh-Southeast Raleigh-Northwest Fayette-
Southeast Fayette-
500 AM EDT Sun Jul 21 2019

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

.DAY ONE...Today and Tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a slight risk of excessive rainfall on Monday and Monday
night.

.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, Jul 21, 3:08 PM EDT, 1 hour 6 minutes before
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Special weather statement, Jul 21, 3:21 PM EDT, 53 minutes before
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Local storm report, Jul 21, 3:44 PM EDT, 30 minutes before
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Special weather statement, Jul 21, 3:50 PM EDT, 24 minutes before
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Special weather statement, Jul 21, 4:00 PM EDT, 14 minutes before
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Special weather statement, Jul 21, 4:06 PM EDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 8:38 PM EDTSpecial Weather StatementRLXMcDowell22 min
Jul 20, 8:51 PM EDTFlash Flood WarningRLXMcDowell54 min
Jul 21, 1:24 PM EDTSevere Thunderstorm WarningRLXCalhoun, Ritchie, Wirt22 min
Jul 21, 1:53 PM EDTSpecial Weather StatementRLXPleasants, Ritchie37 min
Jul 21, 2:10 PM EDTFlash Flood WarningRLXJackson, Wood3 hr
Jul 21, 2:21 PM EDTSevere Thunderstorm WarningRLXJackson, Wirt24 min
Jul 21, 2:35 PM EDTSpecial Weather StatementRLXDoddridge25 min
Jul 21, 3:02 PM EDTSpecial Weather StatementRLXPleasants28 min
Jul 21, 3:08 PM EDTSpecial Weather StatementRLXPleasants37 min
Jul 21, 3:50 PM EDTSpecial Weather StatementRLXClay55 min
Jul 21, 4:00 PM EDTSpecial Weather StatementRLXBarbour, Taylor60 min
Jul 21, 4:06 PM EDTSpecial Weather StatementRLXPocahontas54 min
Jul 21, 4:47 PM EDTSpecial Weather StatementRLXWebster58 min
Jul 21, 5:04 PM EDTSpecial Weather StatementRLXPocahontas41 min
Jul 21, 5:57 PM EDTSpecial Weather StatementRLXRandolph33 min
Jul 21, 12:45 PM EDTSpecial Weather StatementRLXJackson30 min
Jul 21, 12:53 PM EDTSpecial Weather StatementRLXMeigs22 min
Jul 21, 1:14 PM EDTSevere Thunderstorm WarningRLXJackson, Vinton31 min
Jul 21, 1:39 PM EDTSpecial Weather StatementRLXMeigs36 min
Jul 21, 1:51 PM EDTSpecial Weather StatementRLXVinton24 min
Jul 21, 2:16 PM EDTSpecial Weather StatementRLXWashington29 min
Jul 21, 3:21 PM EDTSpecial Weather StatementRLXLawrence24 min

Nearby

Flash Flood Warnings in West Virginia, 2019Every flash flood warning in 2019

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.