Alert archive / West Virginia / Areal Flood Warnings in 2018

Areal Flood Warning 2, NWS Blacksburg, VA

February 11, 2018Monroe County, West Virginia

NWS Blacksburg, VA issued this areal flood warning at Feb 11, 2018, 2:52 AM EST for Monroe County, West Virginia. It was in force for 6 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 11, 2018, 2:52 AM EST (07:52 UTC)
Expired: Feb 11, 2018, 8:45 AM EST
In force: 6 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

County Monroe County, WV

The radar

The Roanoke radar (KFCX), 64 km from the middle of the area, began a volume at 07:52 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

Roanoke, VA (KRNK), launched 00:00Z, 7.9 hours before the alert went out and 101 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 324 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 Blacksburg, VA wrote its last area forecast discussion before this areal flood warning went out at Feb 11, 12:05 AM EST, 2 hours 47 minutes earlier.

Area forecast discussion, Feb 11, 12:05 AM EST, 2 hours 47 minutes before

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Hazardous weather outlook, Feb 10, 9:05 PM EST, 5 hours 47 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Blacksburg VA
905 PM EST Sat Feb 10 2018

NCZ001>003-018-019-VAZ007-009>020-022>024-032>035-WVZ042>044-507-508-
120215-
Ashe-Alleghany NC-Surry-Watauga-Wilkes-Tazewell-Smyth-Bland-Giles-
Wythe-Pulaski-Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-
Bath-Roanoke-Botetourt-Rockbridge-Patrick-Franklin-Bedford-Amherst-
Mercer-Summers-Monroe-Eastern Greenbrier-Western Greenbrier-
905 PM EST Sat Feb 10 2018

...FLOOD WATCH IN EFFECT THROUGH MONDAY MORNING...

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina, central Virginia, south central Virginia,
southwest Virginia, west central Virginia and southeast West
Virginia.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ004>006-020-VAZ043>047-058-059-120215-
Stokes-Rockingham-Caswell-Yadkin-Henry-Pittsylvania-Campbell-
Appomattox-Buckingham-Halifax-Charlotte-
905 PM EST Sat Feb 10 2018

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina, central Virginia and south central
Virginia.

.DAY ONE...Tonight.

Widespread moderate to heavy rain at times could lead to localized
small stream and poor drainage flooding overnight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Feb 10, 10:45 PM EST, 4 hours 7 minutes before

Special Weather Statement
National Weather Service Blacksburg VA
1045 PM EST Sat Feb 10 2018

VAZ033>035-044>047-110500-
Franklin-Bedford-Amherst-Pittsylvania-Campbell-Appomattox-
Buckingham-
Including the cities of Rocky Mount, Bedford, Amherst, Danville,
Lynchburg, and Appomattox
1045 PM EST Sat Feb 10 2018

...Moderate to heavy rain to persist east of the Blue Ridge until
midnight...

A band of moderate rain with embedded heavier showers will
continue to track northeast across the region over the next hour
or two before exiting. Added rainfall of around an inch could
occur especially along and east of Highway 29 through midnight.
Locally heavy downpours may also result in ponding of water on
area roadways along with possible poor drainage flooding.
Motorists should be alert for reduced visibility within the rain
and fog over the next couple of hours.

Local storm report, Feb 11, 12:20 AM EST, 2 hours 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1220 AM EST SUN FEB 11 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1218 AM     FLASH FLOOD      SSE PRINCETON           37.36N 81.10W
02/11/2018                   MERCER             WV   911 CALL CENTER

            MERCER COUNTY WARNING POINT REPORTS THAT STAFFORD DRIVE
            IN PRINCETON IS CLOSED DUE TO HIGH WATER.

&&

LOCONTO

Local storm report, Feb 11, 12:23 AM EST, 2 hours 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1223 AM EST SUN FEB 11 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1218 AM     FLASH FLOOD      1 SSE PRINCETON         37.35N 81.09W
02/11/2018                   MERCER             WV   911 CALL CENTER

            MERCER COUNTY 911 INDICATES INGLESIDE ROAD IN PRINCETON
            IS CLOSED DUE TO HIGH WATER.

&&

LOCONTO

Local storm report, Feb 11, 12:25 AM EST, 2 hours 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1225 AM EST SUN FEB 11 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1218 AM     FLOOD            3 E MATOAKA             37.42N 81.20W
02/11/2018                   MERCER             WV   911 CALL CENTER

            MERCER COUNTY 911 INDICATES THAT PART OF ROUTE 10 NEAR
            LAKE BOTTOM IN THE TOWN OF LASHMEET IS CLOSED DUE TO HIGH
            WATER.

&&

LOCONTO

Local storm report, Feb 11, 2:05 AM EST, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
205 AM EST SUN FEB 11 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0156 AM     FLOOD            5 SSE HINTON            37.60N 80.85W
02/11/2018                   SUMMERS            WV   BROADCAST MEDIA

            FLOODING REPORTED ON LITTLE WOLF CREEK ROAD NEAR FOREST
            HILL.

&&

LOCONTO

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 10, 7:12 PM EST	Areal Flood Advisory	RNK	Tazewell	6 hr
Feb 11, 1:42 AM EST	Areal Flood Warning	RNK	Tazewell	12 hr
Feb 11, 2:24 AM EST	Areal Flood Advisory	RNK	Carroll, Floyd, Grayson, Patrick, City of Galax	6 hr
Feb 11, 3:52 AM EST	Areal Flood Advisory	RNK	Amherst, Bedford, Campbell, Floyd, Franklin, Henry and 5 more	9 hr
Feb 11, 5:33 AM EST	River Flood Warning	RNK	Tazewell	24 hr
Feb 11, 8:50 AM EST	Areal Flood Advisory	RNK	Giles	4 hr
Feb 11, 5:03 PM EST	Areal Flood Advisory	RNK	Amherst, Appomattox, Buckingham, Campbell, City of Lynchburg	3 hr
Feb 11, 12:58 AM EST	Areal Flood Advisory	RNK	Watauga	6 hr
Feb 11, 4:54 PM EST	Areal Flood Advisory	RNK	Yadkin	111 min
Feb 10, 7:38 PM EST	River Flood Warning	RNK	Greenbrier, Monroe, Summers	46 hr
Feb 10, 9:57 PM EST	Areal Flood Advisory	RNK	Greenbrier, Monroe	6 hr
Feb 10, 11:35 PM EST	Flash Flood Warning	RNK	Mercer, Summers	6 hr
Feb 11, 5:29 AM EST	Areal Flood Warning	RNK	Mercer, Summers	6 hr
Feb 11, 11:31 AM EST	Areal Flood Advisory	RNK	Mercer, Summers	16 hr

Nearby

Areal Flood Warnings in West Virginia, 2018 Every areal flood warning in 2018

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.