Alert archive / North Carolina / Areal Flood Warnings in 2011
Areal Flood Warning 9, NWS Blacksburg, VA
NWS Blacksburg, VA issued this areal flood warning at Mar 6, 2011, 8:37 AM EST for 4 counties in North Carolina. It was in force for 8 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, 8:37 AM EST (13:37 UTC)
- Expired
- Mar 6, 2011, 4:30 PM EST
- In force
- 8 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Alleghany County, NC, Surry County, NC, Wilkes County, NC, Yadkin County, NC
The radar
The Roanoke radar (KFCX), 97 km from the middle of the area, began a volume at 13:39 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, 1.6 hours before the alert went out and 159 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.
- 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
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, 8:02 AM EST, 35 minutes earlier.
Area forecast discussion, Mar 6, 8:02 AM EST, 35 minutes before
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</html>Hazardous weather outlook, Mar 6, 8:07 AM EST, 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 807 AM EST SUN MAR 6 2011 NCZ001>003-018-019-VAZ007-009>020-022>024-032>035-WVZ042>045-071315- 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-GREENBRIER- 807 AM EST SUN MAR 6 2011 ...FLOOD WATCH IN EFFECT UNTIL 7 PM EST THIS EVENING... 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...TODAY AND 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...MONDAY THROUGH SATURDAY. ANOTHER STORM SYSTEM COULD BRING HEAVY RAINS TO THE AREA BY THURSDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. NCZ004>006-020-VAZ043>047-058-059-071315- STOKES-ROCKINGHAM-CASWELL-YADKIN-HENRY-PITTSYLVANIA-CAMPBELL- APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE- 807 AM EST SUN MAR 6 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA AND SOUTH CENTRAL VIRGINIA. .DAY ONE...TODAY AND TONIGHT. RAIN WILL BE HEAVY AT TIMES THIS MORNING INTO THE AFTERNOON. LOCALIZED FLOODING IS POSSIBLE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. ANOTHER STORM SYSTEM COULD BRING HEAVY RAINS BY THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Mar 6, 5:40 AM EST, 2 hours 57 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
KKLocal storm report, Mar 6, 8:21 AM EST, 16 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
&&
ERICHSpecial weather statement, Mar 6, 8:30 AM EST, 7 minutes 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.
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, 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 |
| Mar 6, 11:30 AM EST | Areal Flood Warning | RNK | Greenbrier | 9 hr |
Nearby
Areal Flood Warnings in North Carolina, 2011Every 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.