Alert archive / Virginia / River Flood Warnings in 2021
River Flood Warning 6, NWS Blacksburg, VA
NWS Blacksburg, VA issued this river flood warning at Mar 19, 2021, 10:46 AM EDT for Halifax County, Virginia. It took effect at Mar 19, 2021, 6:00 PM EDT. It was in force for 28 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 19, 2021, 10:46 AM EDT (14:46 UTC)
- In effect from
- Mar 19, 2021, 6:00 PM EDT
- Expired
- Mar 20, 2021, 9:31 PM EDT
- In force
- 28 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- Minor
County Halifax County, VA
The radar
The Raleigh/Durham radar (KRAX), 118 km from the middle of the area, began a volume at 14:48 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 22.26 ft at Mar 20, 2021, 6:00 AM 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.
The text
As transmitted.
875 WGUS41 KRNK 191446 FLWRNK BULLETIN - EAS ACTIVATION REQUESTED Flood Warning National Weather Service Blacksburg VA 1046 AM EDT Fri Mar 19 2021 ...The National Weather Service in Blacksburg VA has issued a Flood Warning for the following rivers in Virginia... Dan River at South Boston affecting Halifax County. For the Dan River...including Wentworth, Danville, Paces, South Boston...Minor flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued this evening by 1100 PM EDT. && VAC083-200300- /O.NEW.KRNK.FL.W.0006.210319T2200Z-210321T0400Z/ /SBNV2.1.ER.210319T2221Z.210320T0600Z.210321T0000Z.NO/ 1046 AM EDT Fri Mar 19 2021 The National Weather Service in Blacksburg has issued a * Flood Warning for the Dan River at South Boston. * From this evening to late Saturday night. * At 10:00 AM EDT Friday the stage was 19.6 feet. * Flood stage is 22.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise above flood stage this evening to a crest of 22.6 feet just after midnight tonight. It will then fall below flood stage tomorrow evening. * Flood History...This crest compares to a previous crest of 22.6 feet on 04/10/1951. && LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879 $$ RS
4 follow-up statements
476 WGUS81 KRNK 200207 FLSRNK Flood Statement National Weather Service Blacksburg VA 1007 PM EDT Fri Mar 19 2021 ...The Flood Warning continues for the following rivers in Virginia... Dan River at South Boston affecting Halifax County. For the Dan River...at South Boston...Minor flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued by mid morning Saturday. && VAC083-201415- /O.EXT.KRNK.FL.W.0006.000000T0000Z-210321T0300Z/ /SBNV2.1.ER.210320T0131Z.210320T0600Z.210320T1500Z.NO/ 1007 PM EDT Fri Mar 19 2021 ...The Flood Warning is now in effect until late tomorrow evening... The Flood Warning continues for the Dan River at South Boston. * Until Saturday evening. * At 9:00 PM EDT Friday the stage was 21.9 feet and rising slowly. * Flood stage is 22.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise to a crest of 22.6 feet just after midnight tonight then fall below flood stage late Saturday morning. * Flood History...This crest compares to a previous crest of 22.6 feet on 04/10/1951. && LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879 $$ WP
601 WGUS81 KRNK 201003 FLSRNK Flood Statement National Weather Service Blacksburg VA 603 AM EDT Sat Mar 20 2021 ...The Flood Warning continues for the following rivers in Virginia... Dan River at South Boston affecting Halifax County. For the Dan River...including Wentworth, Danville, Paces, South Boston...Minor flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued later this morning or early this afternoon. && VAC083-202215- /O.CON.KRNK.FL.W.0006.000000T0000Z-210321T0300Z/ /SBNV2.1.ER.210320T0131Z.210320T0600Z.210320T1500Z.NO/ 603 AM EDT Sat Mar 20 2021 ...The Flood Warning remains in effect... The Flood Warning continues for the Dan River at South Boston. * Until this evening. * At 6:00 AM EDT Saturday the stage was 22.5 feet and nearly steady. * Flood stage is 22.0 feet. The river is in minor flood and near crest. * Minor flooding is forecast to continue for the next several hours. * Forecast...The river is expected to crest near 22.6 feet this morning and then begin to slowly fall. It is expected to fall below flood stage this afternoon. * Flood History...This crest compares to a previous crest of 22.6 feet on 04/10/1951. && LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879 $$ RAB
195 WGUS41 KRNK 201823 FLWRNK BULLETIN - EAS ACTIVATION REQUESTED Flood Warning National Weather Service Blacksburg VA 223 PM EDT Sat Mar 20 2021 ...Observed flooding changed to Minor severity and increased in duration for the following rivers in Virginia... Dan River at South Boston affecting Halifax County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued late tonight. && VAC083-210630- /O.EXT.KRNK.FL.W.0006.000000T0000Z-210321T0940Z/ /SBNV2.1.ER.210320T0131Z.210320T0600Z.210320T2200Z.NO/ 223 PM EDT Sat Mar 20 2021 ...Observed flooding increased to Minor severity and increased in duration until late tonight... The Flood Warning continues for the Dan River at South Boston. * Until late tonight. * At 1:00 PM EDT Saturday the stage was 22.2 feet and slowly falling. * Flood stage is 22.0 feet. * Minor flooding is occurring. * Recent Activity...The maximum river stage in the 24 hours ending at 1:00 PM EDT Saturday was 22.6 feet. * Forecast...The river is expected to fall below flood stage this evening and will continue falling to 11.7 feet Thursday morning. * Impact...At 19.0 feet, there is flooding of low-lying agricultural land and woods. * Flood History...This crest compares to a previous crest of 22.2 feet on 01/17/1995. && LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879 $$ AS
998 WGUS81 KRNK 210131 FLSRNK Flood Statement National Weather Service Blacksburg VA 931 PM EDT Sat Mar 20 2021 ...The Flood Warning is cancelled for the following rivers in Virginia... Dan River at South Boston affecting Halifax County. VAC083-210245- /O.CAN.KRNK.FL.W.0006.000000T0000Z-210321T0131Z/ /SBNV2.1.ER.210320T0131Z.210320T0600Z.210320T2200Z.NO/ 931 PM EDT Sat Mar 20 2021 ...The Flood Warning for the Dan River at South Boston has been cancelled... The Flood Warning is cancelled for the Dan River at South Boston. * At 9:00 PM EDT Saturday the stage was 21.9 feet and falling. * Flood stage is 22.0 feet. * Forecast...The river is expected to continue to fall through the middle of next week. && LAT...LON 3660 7898 3672 7902 3675 7884 3668 7879 $$ WP
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 8:01 PM EDT | Severe Thunderstorm Warning | RNK | Giles | 59 min |
| Mar 18, 8:08 PM EDT | Special Weather Statement | RNK | Grayson, Smyth | 52 min |
| Mar 18, 8:44 PM EDT | Special Weather Statement | RNK | Tazewell | 31 min |
| Mar 18, 8:56 PM EDT | Special Weather Statement | RNK | Craig | 34 min |
| Mar 19, 4:50 AM EDT | Areal Flood Advisory | RNK | Carroll | 5 hr |
Nearby
River Flood Warnings in Virginia, 2021Every river flood warning in 2021
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.