Alert archive / Virginia / River Flood Warnings in 2020
River Flood Warning 32, NWS Blacksburg, VA
NWS Blacksburg, VA issued this river flood warning at May 20, 2020, 9:50 AM EDT for Roanoke County, City of Roanoke, City of Salem, Virginia. It took effect at May 20, 2020, 3:26 PM EDT. It was in force for 57 hr.
The area
The counties it named.
The facts
- Issued
- May 20, 2020, 9:50 AM EDT (13:50 UTC)
- In effect from
- May 20, 2020, 3:26 PM EDT
- Expired
- May 23, 2020, 12:30 AM EDT
- In force
- 57 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- Moderate
Counties City of Roanoke, VA, City of Salem, VA, Roanoke County, VA
The radar
The Roanoke radar (KFCX), 35 km from the middle of the area, began a volume at 13:53 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 river
Written for the forecast point Roanoke River at Roanoke (RONV2).
- Action stage
- 6 ft
- Minor stage
- 10 ft
- Moderate stage
- 12 ft
- Major stage
- 16 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 02055000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river 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 river flood warning went out at May 20, 4:33 AM EDT, 5 hours 17 minutes earlier.
Area forecast discussion, May 20, 4:33 AM EDT, 5 hours 17 minutes before
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</html>Hazardous weather outlook, May 20, 4:39 AM EDT, 5 hours 11 minutes before
Hazardous Weather Outlook National Weather Service Blacksburg VA 439 AM EDT Wed May 20 2020 NCZ001>006-018>020-VAZ015>017-022-023-032>034-043-044-210845- Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes- Yadkin-Grayson-Carroll-Floyd-Roanoke-Botetourt-Patrick-Franklin- Bedford-Henry-Pittsylvania- 439 AM EDT Wed May 20 2020 ...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING... This Hazardous Weather Outlook is for north central North Carolina, northwest North Carolina, south central Virginia, southwest Virginia and west central 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. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flash Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. VAZ007-009>014-018>020-024-035-045>047-058-059-WVZ042>044-507-508- 210845- Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Craig- Alleghany VA-Bath-Rockbridge-Amherst-Campbell-Appomattox-Buckingham- Halifax-Charlotte-Mercer-Summers-Monroe-Eastern Greenbrier- Western Greenbrier- 439 AM EDT Wed May 20 2020 This Hazardous Weather Outlook is for central Virginia, south central Virginia, southwest Virginia, west central Virginia and southeast West Virginia. .DAY ONE...Today and tonight. There is a low probability for widespread hazardous weather. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. There is a low probability for widespread hazardous weather. .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 |
|---|---|---|---|---|
| May 20, 1:35 AM EDT | Areal Flood Advisory | RNK | Grayson | 4 hr |
| May 20, 2:20 AM EDT | Areal Flood Advisory | RNK | Bland, Carroll, Smyth, Tazewell, Wythe | 3 hr |
| May 20, 3:49 AM EDT | Areal Flood Advisory | RNK | Pulaski, City of Radford | 3 hr |
| May 20, 5:10 AM EDT | Areal Flood Advisory | RNK | Bland, Craig, Giles | 4 hr |
| May 20, 5:17 AM EDT | Areal Flood Advisory | RNK | Floyd, Franklin, Henry, Montgomery, Patrick, Roanoke and 4 more | 4 hr |
| May 20, 10:59 AM EDT | River Flood Warning | RNK | Pittsylvania | 52 hr |
| May 20, 10:59 AM EDT | River Flood Warning | RNK | Campbell, Charlotte, Halifax | 4 days |
| May 20, 10:59 AM EDT | River Flood Warning | RNK | Charlotte, Halifax | 21 days |
| May 20, 10:59 AM EDT | River Flood Warning | RNK | Pittsylvania, City of Danville | 4 days |
| May 20, 10:59 AM EDT | River Flood Warning | RNK | Halifax | 6 days |
| May 20, 10:59 AM EDT | River Flood Warning | RNK | Halifax | 7 days |
| May 20, 11:27 AM EDT | Areal Flood Advisory | RNK | Floyd, Franklin, Henry, Montgomery, Patrick, Pulaski and 5 more | 4 hr |
| May 20, 11:28 AM EDT | River Flood Warning | RNK | Carroll, Grayson, City of Galax | 48 hr |
| May 20, 11:28 AM EDT | River Flood Warning | RNK | Pulaski, Wythe | 71 hr |
| May 20, 11:28 AM EDT | River Flood Warning | RNK | Montgomery, Pulaski, City of Radford | 63 hr |
| May 20, 11:28 AM EDT | River Flood Warning | RNK | Giles | 69 hr |
| May 20, 1:18 PM EDT | Areal Flood Warning | RNK | Montgomery, Roanoke | 12 hr |
| May 20, 3:28 PM EDT | Areal Flood Warning | RNK | Carroll, Floyd, Franklin, Henry, Montgomery, Patrick and 6 more | 12 hr |
| May 20, 3:47 PM EDT | Areal Flood Warning | RNK | Grayson | 9 hr |
| May 20, 4:27 PM EDT | River Flood Warning | RNK | Campbell, Pittsylvania | 4 days |
| May 19, 11:26 PM EDT | River Flood Warning | RNK | Watauga | 9 hr |
| May 20, 10:59 AM EDT | River Flood Warning | RNK | Rockingham | 67 hr |
| May 20, 4:53 PM EDT | Areal Flood Advisory | RNK | Watauga | 4 hr |
| May 20, 7:30 PM EDT | Areal Flood Advisory | RNK | Surry, Wilkes, Yadkin | 5 hr |
Nearby
River Flood Warnings in Virginia, 2020Every river flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.