Alert archive / Virginia / Flood Watches in 2023
Flood Watch 2, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flood watch at Sep 9, 2023, 3:19 AM EDT for 29 counties in Virginia; 7 counties in North Carolina; 4 counties in West Virginia. It took effect at Sep 9, 2023, 12:00 PM EDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Sep 9, 2023, 3:19 AM EDT (07:19 UTC)
- In effect from
- Sep 9, 2023, 12:00 PM EDT
- Expired
- Sep 10, 2023, 2:00 AM EDT
- In force
- 14 hr
- Issued by
- NWS Blacksburg, VA
- Flood severity
- None
All 40 counties
Alleghany County, NC, Ashe County, NC, Stokes County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Alleghany County, VA, Amherst County, VA, Bath County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, Carroll County, VA, City of Buena Vista, VA, City of Covington, VA, City of Galax, VA, City of Lexington, VA, City of Martinsville, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Giles County, VA, Grayson County, VA, Henry County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA, Greenbrier County, WV, Mercer County, WV, Monroe County, WV, Summers County, WV
The radar
The Roanoke radar (KFCX), 18 km from the middle of the area, began a volume at 07:21 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, 7.3 hours before the alert went out and 84 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
- 566 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1297 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch 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 flood watch went out at Sep 9, 2:40 AM EDT, 39 minutes earlier.
Area forecast discussion, Sep 9, 2:40 AM EDT, 39 minutes before
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Hazardous Weather Outlook National Weather Service Blacksburg VA 242 PM EDT Fri Sep 8 2023 NCZ004>006-VAZ032-043>047-058-059-091845- Stokes-Rockingham-Caswell-Patrick-Henry-Pittsylvania-Campbell- Appomattox-Buckingham-Halifax-Charlotte- 242 PM EDT Fri Sep 8 2023 This Hazardous Weather Outlook is for north central North Carolina, central Virginia, south central Virginia and southwest Virginia. .DAY ONE...This afternoon and tonight. A few storms this afternoon and evening could become strong to severe with damaging wind the main threat. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Showers and thunderstorms may bring locally heavy rainfall to the area for Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ001>003-018>020-VAZ007-009-010-012-015-016-091845- Ashe-Alleghany NC-Surry-Watauga-Wilkes-Yadkin-Tazewell-Smyth-Bland- Wythe-Grayson-Carroll- 242 PM EDT Fri Sep 8 2023 This Hazardous Weather Outlook is for north central North Carolina, northwest North Carolina and southwest Virginia. .DAY ONE...This afternoon and tonight. Thunderstorms this afternoon will bring heavy rainfall which could lead to localized flooding. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Showers and thunderstorms may bring locally heavy rainfall to the area for Saturday, with localized flooding possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. VAZ011-013-014-017>020-022>024-033>035-WVZ042>044-507-508-091845- Giles-Pulaski-Montgomery-Floyd-Craig-Alleghany VA-Bath-Roanoke- Botetourt-Rockbridge-Franklin-Bedford-Amherst-Mercer-Summers-Monroe- Eastern Greenbrier-Western Greenbrier- 242 PM EDT Fri Sep 8 2023 This Hazardous Weather Outlook is for central Virginia, south central Virginia, southwest Virginia, west central Virginia and southeast West Virginia. .DAY ONE...This afternoon and tonight. Scattered to numerous showers and thunderstorms this afternoon may be severe. Damaging winds are the main threat, with large hail and localized flooding possible as well. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Showers and thunderstorms may bring locally heavy rainfall to the area Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. Reports should be submitted by phone by calling 1-866-215-4324, social media, by email at rnk.skywarn@noaa.gov or online at www.weather.gov/rnk.
In the hours before
Local storm report, Sep 8, 10:34 PM EDT, 4 hours 45 minutes before
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</html>Local storm report, Sep 8, 10:40 PM EDT, 4 hours 39 minutes before
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</html>Local storm report, Sep 8, 10:41 PM EDT, 4 hours 38 minutes before
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</html>Local storm report, Sep 8, 10:45 PM EDT, 4 hours 34 minutes before
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</html>The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 8:11 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Campbell, City of Lynchburg | 50 min |
| Sep 8, 9:31 PM EDT | Flash Flood Warning | RNK | Tazewell | 2 hr |
| Sep 9, 11:00 AM EDT | Special Weather Statement | RNK | Halifax | 60 min |
| Sep 9, 11:37 AM EDT | Severe Thunderstorm Warning | RNK | Charlotte, Halifax, Pittsylvania, City of Danville | 53 min |
| Sep 9, 12:01 PM EDT | Special Weather Statement | RNK | Carroll, Giles, Grayson, Montgomery, Pulaski, Wythe and 2 more | 59 min |
| Sep 9, 12:26 PM EDT | Special Weather Statement | RNK | Appomattox, Campbell, Franklin, Henry, Pittsylvania, City of Martinsville | 64 min |
| Sep 9, 1:11 PM EDT | Special Weather Statement | RNK | Carroll, Craig, Floyd, Giles, Montgomery, Pulaski and 3 more | 64 min |
| Sep 9, 1:16 PM EDT | Severe Thunderstorm Warning | RNK | Craig, Montgomery, Roanoke | 44 min |
| Sep 9, 1:19 PM EDT | Severe Thunderstorm Warning | RNK | Henry, Patrick, City of Martinsville | 41 min |
| Sep 9, 1:26 PM EDT | Severe Thunderstorm Warning | RNK | Giles | 64 min |
| Sep 9, 1:41 PM EDT | Severe Thunderstorm Warning | RNK | Carroll, Patrick | 64 min |
| Sep 9, 2:04 PM EDT | Areal Flood Advisory | RNK | Montgomery, Pulaski, City of Radford | 3 hr |
| Sep 9, 2:48 PM EDT | Flash Flood Warning | RNK | Montgomery, Roanoke | 3 hr |
| Sep 9, 5:44 PM EDT | Areal Flood Advisory | RNK | Tazewell | 3 hr |
| Sep 9, 9:29 AM EDT | Areal Flood Advisory | RNK | Watauga | 110 min |
| Sep 9, 11:40 AM EDT | Severe Thunderstorm Warning | RNK | Rockingham, Stokes | 65 min |
| Sep 9, 11:51 AM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 28 min |
| Sep 9, 2:12 PM EDT | Areal Flood Advisory | RNK | Surry, Wilkes, Yadkin | 3 hr |
| Sep 9, 2:43 PM EDT | Special Weather Statement | RNK | Wilkes, Yadkin | 62 min |
| Sep 9, 3:25 PM EDT | Areal Flood Advisory | RNK | Surry, Yadkin | 2 hr |
| Sep 9, 3:29 PM EDT | Flash Flood Warning | RNK | Surry, Wilkes, Yadkin | 2 hr |
Nearby
Flood Watches in Virginia, 2023Flood Watches in North Carolina, 2023Flood Watches in West Virginia, 2023Every flood watch in 2023
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.