Alert archive / North Carolina / Areal Flood Warnings in 2011
Areal Flood Warning 3, NWS Blacksburg, VA
NWS Blacksburg, VA issued this areal flood warning at Mar 6, 2011, 4:41 AM EST for 4 counties in North Carolina. It was in force for 12 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, 4:41 AM EST (09:41 UTC)
- Expired
- Mar 6, 2011, 4:30 PM EST
- In force
- 12 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Wilkes County, NC
The radar
The Roanoke radar (KFCX), 124 km from the middle of the area, began a volume at 09:43 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 9.7 hours before the alert went out and 135 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1135 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 302 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, 4:07 AM EST, 34 minutes earlier.
Area forecast discussion, Mar 6, 4:07 AM EST, 34 minutes before
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</html>Hazardous weather outlook, Mar 6, 4:34 AM EST, 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 434 AM EST SUN MAR 6 2011 NCZ001>003-018-019-VAZ007-009>020-022>024-032-WVZ042>045-070945- ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-TAZEWELL-SMYTH-BLAND-GILES- WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA- BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-MERCER-SUMMERS-MONROE- GREENBRIER- 434 AM EST SUN MAR 6 2011 ...FLOOD WATCH IN EFFECT THROUGH THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA...NORTHWEST NORTH CAROLINA...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-VAZ033>035-043>047-058-059-070945- STOKES-ROCKINGHAM-CASWELL-YADKIN-FRANKLIN-BEDFORD-AMHERST-HENRY- PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE- 434 AM EST SUN MAR 6 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH CENTRAL VIRGINIA AND WEST 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.
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, 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 |
| 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.