Alert archive / Virginia / River Flood Warnings in 2020

River Flood Warning 50, NWS Blacksburg, VA

May 28, 2020Halifax County, Virginia

NWS Blacksburg, VA issued this river flood warning at May 28, 2020, 9:03 PM EDT for Halifax County, Virginia. It took effect at May 29, 2020, 11:20 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: May 28, 2020, 9:03 PM EDT (01:03 UTC)
In effect from: May 29, 2020, 11:20 AM EDT
Expired: May 30, 2020, 3:37 AM EDT
In force: 16 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: Minor

County Halifax County, VA

The radar

The Roanoke radar (KFCX), 122 km from the middle of the area, began a volume at 01:06 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 Dan River at South Boston (SBNV2). The gauge peaked at 22.46 ft at May 29, 2020, 8:00 PM EDT.

Action stage: 18 ft
Minor stage: 22 ft
Moderate stage: 29 ft
Major stage: 34 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02076000, 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 28, 7:39 PM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, May 28, 7:39 PM EDT, 1 hour 24 minutes before

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Hazardous weather outlook, May 28, 2:35 PM EDT, 6 hours 28 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
235 PM EDT Thu May 28 2020

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-291845-
Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes-
Yadkin-Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Grayson-
Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt-Rockbridge-
Patrick-Franklin-Bedford-Amherst-Henry-Pittsylvania-Campbell-
Appomattox-Buckingham-Halifax-Charlotte-Mercer-Summers-Monroe-
Eastern Greenbrier-Western Greenbrier-
235 PM EDT Thu May 28 2020

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...This afternoon and tonight.

Scattered thunderstorms are expected this evening. A few storms may
become strong enough to produce damaging winds and localized
flooding.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Scattered thunderstorms are expected Friday afternoon. A few of
these may be severe. The main threats will be damaging winds and
localized flooding.

For Saturday through Monday, no hazardous weather is expected.

Thunderstorms will bring return for potential hazardous weather
by the middle of next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible Friday afternoon.

In the hours before

Special weather statement, May 28, 5:48 PM EDT, 3 hours 15 minutes before

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Special weather statement, May 28, 6:05 PM EDT, 2 hours 58 minutes before

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Special weather statement, May 28, 7:02 PM EDT, 2 hours 1 minute before

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Special weather statement, May 28, 7:19 PM EDT, 1 hour 44 minutes before

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Special weather statement, May 28, 7:32 PM EDT, 1 hour 31 minutes before

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Special weather statement, May 28, 7:41 PM EDT, 1 hour 22 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 8:31 PM EDT	Special Weather Statement	RNK	Bedford, Franklin, Henry, City of Martinsville	44 min
May 29, 6:50 PM EDT	Areal Flood Advisory	RNK	Surry, Wilkes, Yadkin	4 hr
May 29, 7:37 PM EDT	Special Weather Statement	RNK	Yadkin	38 min
May 28, 10:56 PM EDT	Areal Flood Advisory	RNK	Mercer	4 hr

Nearby

River Flood Warnings in Virginia, 2020 Every 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.