Alert archive / Virginia / River Flood Warnings in 2009

River Flood Warning 1, NWS Blacksburg, VA

January 7, 2009Halifax County, Virginia

NWS Blacksburg, VA issued this river flood warning at Jan 7, 2009, 9:58 PM EST for Halifax County, Virginia. It took effect at Jan 8, 2009, 5:36 AM EST. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued: Jan 7, 2009, 9:58 PM EST (02:58 UTC)
In effect from: Jan 8, 2009, 5:36 AM EST
Expired: Jan 9, 2009, 7:26 PM EST
In force: 38 hr
Issued by: NWS Blacksburg, VA
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 03:00 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).

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 Jan 7, 9:43 PM EST, 15 minutes earlier.

Area forecast discussion, Jan 7, 9:43 PM EST, 15 minutes before

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Hazardous weather outlook, Jan 7, 4:04 PM EST, 5 hours 54 minutes before

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In the hours before

Local storm report, Jan 7, 4:33 PM EST, 5 hours 25 minutes before

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Special weather statement, Jan 7, 4:41 PM EST, 5 hours 17 minutes before

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Special weather statement, Jan 7, 5:33 PM EST, 4 hours 25 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
Jan 8, 9:55 AM EST	River Flood Warning	RNK	Halifax	18 hr

Nearby

River Flood Warnings in Virginia, 2009 Every river flood warning in 2009

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.