Alert archive / West Virginia / Areal Flood Warnings in 2011

Areal Flood Warning 13, NWS Blacksburg, VA

March 6, 2011Greenbrier County, West Virginia

NWS Blacksburg, VA issued this areal flood warning at Mar 6, 2011, 11:30 AM EST for Greenbrier County, West Virginia. It was in force for 9 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: Mar 6, 2011, 11:30 AM EST (16:30 UTC)
Expired: Mar 6, 2011, 8:34 PM EST
In force: 9 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

County Greenbrier County, WV

The radar

The Roanoke radar (KFCX), 104 km from the middle of the area, began a volume at 16:30 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 12:00Z, 4.5 hours before the alert went out and 118 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 564 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 384 m²/s²
0-3 km storm-relative helicity: 427 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 Mar 6, 10:56 AM EST, 34 minutes earlier.

Area forecast discussion, Mar 6, 10:56 AM EST, 34 minutes before

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Hazardous weather outlook, Mar 6, 10:55 AM EST, 35 minutes before

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In the hours before

Special weather statement, Mar 6, 5:40 AM EST, 5 hours 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
540 AM EST SUN MAR 6 2011

NCZ002-003-019-VAZ011>018-032-033-WVZ044-061145-
ALLEGHANY NC-CARROLL VA-CRAIG VA-FLOYD VA-FRANKLIN VA-GILES VA-
GRAYSON VA-MONROE WV-MONTGOMERY VA-PATRICK VA-PULASKI VA-SURRY NC-
WILKES NC-WYTHE VA-
540 AM EST SUN MAR 6 2011

...SHOWERS WITH HEAVY RAIN WILL AFFECT ALLEGHANY...CARROLL...CRAIG...
FLOYD...FRANKLIN...GILES...GRAYSON...MONROE...MONTGOMERY...PATRICK...
PULASKI...SURRY...WILKES AND WYTHE COUNTIES...

AT 538 AM EST...SHOWERS WITH HEAVY RAIN WERE ALONG A LINE FROM 6
MILES NORTHWEST OF PULASKI TO MOUNTAIN PARK...MOVING NORTHEAST AT 30
MPH.

VERY HEAVY RAIN WILL FALL FROM THESE SHOWERS...AND WILL CAUSE WATER
TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THESE SHOWERS WILL BE NEAR LOW GAP AROUND 545 AM...WHITE GATE...
PULASKI...WOODLAWN...AND PIPERS GAP AROUND 550 AM...PATTERSON AROUND
555 AM...DRAPER...SYLVATUS...AND BOTTOM AROUND 600 AM AND BANE AROUND
605 AM.

LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES OR POSSIBLE WARNINGS.

LAT...LON 3711 8093 3715 8086 3719 8087 3766 8030
      3736 8024 3731 8026 3726 8022 3682 8012
      3623 8097

KK

Local storm report, Mar 6, 8:21 AM EST, 3 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
821 AM EST SUN MAR 06 2011

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

0730 AM     FLOOD            4 N NEWPORT             37.34N 80.50W
03/06/2011                   GILES              VA   PUBLIC

            1 FT OF STANDING WATER ON CLOVER HOLLOW ROAD

0730 AM     FLOOD            NEWPORT                 37.28N 80.50W
03/06/2011                   GILES              VA   PUBLIC

            1 TO 1.5 FT STANDING WATER ON HAPPY HOLLOW ROAD

0800 AM     FLOOD            MORAVIAN FALLS          36.10N 81.18W
03/06/2011                   WILKES             NC   PUBLIC

            GERMAN TOWN ROAD, MORAVIAN CREEK OUT OF ITS BANKS

&&

ERICH

Special weather statement, Mar 6, 8:30 AM EST, 3 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
830 AM EST SUN MAR 6 2011

VAZ007-009-WVZ042-043-045-061530-
TAZEWELL-SMYTH-MERCER-SUMMERS-GREENBRIER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLUEFIELD...
FLAT TOP...HINTON...HIX...LEWISBURG...QUINWOOD...DUO...RAINELLE
830 AM EST SUN MAR 6 2011

...RAIN CHANGING TO SNOW THIS MORNING...

MODERATE TO HEAVY RAIN WILL GRADUALLY TRANSITION TO WET SNOW
DURING THE NEXT COUPLE OF HOURS. THIS MAY RESULT IN A QUICK
COATING TO ONE HALF INCH OF SNOW ALONG THE HIGHER WESTERN SLOPES
THROUGH 10:30 AM. BRIDGES AND OVERPASSES COULD BECOME SLIPPERY BY
LATER THIS MORNING. TEMPERATURES WILL QUICKLY FALL TO AROUND
FREEZING SHORTLY AFTER THE RAIN CHANGES TO SNOW. MOTORISTS SHOULD
BE ALERT FOR SLICK SPOTS ON AREA ROADWAYS THROUGH THE MORNING.

Local storm report, Mar 6, 8:54 AM EST, 2 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
854 AM EST SUN MAR 06 2011

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

0815 AM     FLOOD            BLACKSBURG              37.23N 80.42W
03/06/2011                   MONTGOMERY         VA   PUBLIC

            CRAIGS CREEK IS OUT OF ITS BANKS AT 1373 CRAIGS CREEK
            ROAD. WATER IN BARN.

&&

ERICH

Local storm report, Mar 6, 9:50 AM EST, 1 hour 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
950 AM EST SUN MAR 06 2011

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

0930 AM     FLOOD            WILLIAMSBURG            37.97N 80.50W
03/06/2011                   GREENBRIER         WV   EMERGENCY MNGR

            4 TO 6 INCHES ON CORNSTOCK ROAD

0930 AM     FLOOD            WILLIAMSBURG            37.97N 80.50W
03/06/2011                   GREENBRIER         WV   EMERGENCY MNGR

            PEMBROKE RD, LOW WATER BRIDGE AND TROUT END BRIDGE BOTH
            HAVE 6 INCHES OVERTOP

0930 AM     FLOOD            WILLIAMSBURG            37.97N 80.50W
03/06/2011                   GREENBRIER         WV   EMERGENCY MNGR

            KESSLER AREA, WATER CLOSE TO HOMES.

&&

ERICH

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 4:12 AM EST	Areal Flood Warning	RNK	Giles	12 hr
Mar 6, 5:40 AM EST	Special Weather Statement	RNK	Carroll, Floyd, Giles, Montgomery, Pulaski, City of Galax and 1 more	65 min
Mar 6, 6:44 AM EST	Areal Flood Warning	RNK	Smyth, Tazewell	6 hr
Mar 6, 7:43 AM EST	Areal Flood Warning	RNK	Bland	6 hr
Mar 6, 8:03 AM EST	Areal Flood Warning	RNK	Carroll, Floyd, Grayson, Patrick, City of Galax	6 hr
Mar 6, 9:08 AM EST	Areal Flood Warning	RNK	Carroll, Grayson, Wythe	6 hr
Mar 6, 9:13 AM EST	Areal Flood Warning	RNK	Carroll, Craig, Floyd, Franklin, Montgomery, Patrick and 3 more	6 hr
Mar 6, 10:09 AM EST	Areal Flood Warning	RNK	Alleghany, Amherst, Bath, Bedford, Botetourt, Craig and 8 more	6 hr
Mar 6, 10:16 AM EST	Winter Weather Advisory	RNK	Bland, Grayson, Smyth, Tazewell	8 hr
Mar 6, 12:32 PM EST	River Flood Warning	RNK	Giles	18 hr
Mar 6, 12:32 PM EST	River Flood Warning	RNK	Giles	18 hr
Mar 6, 1:50 PM EST	Areal Flood Warning	RNK	Carroll, Floyd, Grayson, Patrick, City of Galax	6 hr
Mar 6, 2:46 PM EST	Areal Flood Warning	RNK	Carroll, Grayson, Wythe	3 hr
Mar 6, 3:10 PM EST	Areal Flood Warning	RNK	Carroll, Craig, Floyd, Franklin, Montgomery, Patrick and 3 more	7 hr
Mar 6, 3:28 PM EST	Areal Flood Warning	RNK	Amherst, Bedford, Franklin, City of Lynchburg	5 hr
Mar 6, 3:45 PM EST	Areal Flood Warning	RNK	Alleghany, Amherst, Bath, Bedford, Botetourt, Craig and 8 more	8 hr
Mar 6, 4:41 AM EST	Areal Flood Warning	RNK	Alleghany, Ashe, Watauga, Wilkes	12 hr
Mar 6, 8:37 AM EST	Areal Flood Warning	RNK	Alleghany, Surry, Wilkes, Yadkin	8 hr
Mar 6, 12:39 PM EST	River Flood Warning	RNK	Surry, Yadkin	15 hr
Mar 6, 6:03 AM EST	Areal Flood Warning	RNK	Greenbrier	6 hr
Mar 6, 7:51 AM EST	Areal Flood Warning	RNK	Monroe	6 hr

Nearby

Areal Flood Warnings in West Virginia, 2011 Every areal flood warning in 2011

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.