Alert archive / North Carolina / Flash Flood Warnings in 2019

Flash Flood Warning 18, NWS Blacksburg, VA

June 17, 2019Watauga County, North Carolina

NWS Blacksburg, VA issued this flash flood warning at Jun 17, 2019, 7:45 PM EDT for Watauga County, North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 17, 2019, 7:45 PM EDT (23:45 UTC)
Expired: Jun 17, 2019, 10:46 PM EDT
In force: 3 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

County Watauga County, NC

The radar

The Knoxville radar (KMRX), 153 km from the middle of the area, began a volume at 23:45 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 12:00Z, 11.8 hours before the alert went out and 223 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 158 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 972 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -70 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash 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 flash flood warning went out at Jun 17, 7:10 PM EDT, 35 minutes earlier.

Area forecast discussion, Jun 17, 7:10 PM EDT, 35 minutes before

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Hazardous weather outlook, Jun 17, 5:23 AM EDT, 14 hours 22 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
523 AM EDT Mon Jun 17 2019

VAZ007-010-011-014-018>020-022>024-034-035-045>047-WVZ042>044-507-
508-180930-
Tazewell-Bland-Giles-Montgomery-Craig-Alleghany VA-Bath-Roanoke-
Botetourt-Rockbridge-Bedford-Amherst-Campbell-Appomattox-Buckingham-
Mercer-Summers-Monroe-Eastern Greenbrier-Western Greenbrier-
523 AM EDT Mon Jun 17 2019

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.

Strong to severe thunderstorms are expected this afternoon and
evening. The main threats will be damaging winds and isolated large
hail. Heavy rain is also likely with these storms which may result in
localized flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Strong to severe thunderstorms will be possible Tuesday and Wednesday.
The main threats will be damaging winds and isolated large hail.
Heavy rain is also likely with these storms which may result in
localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ001-002-018-VAZ009-012-013-015>017-032-033-043-044-058-059-180930-
Ashe-Alleghany NC-Watauga-Smyth-Wythe-Pulaski-Grayson-Carroll-Floyd-
Patrick-Franklin-Henry-Pittsylvania-Halifax-Charlotte-
523 AM EDT Mon Jun 17 2019

This Hazardous Weather Outlook is for northwest North Carolina,
south central Virginia, southwest Virginia and west central
Virginia.

.DAY ONE...Today and tonight.

Strong to severe thunderstorms are expected this afternoon and
evening. The main threat will be damaging winds. Heavy rain is also
likely with these storms which may result in localized flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

A few storms Tuesday and Wednesday could become strong, and possibly
severe. Damaging wind gusts are the main threats. Localized flooding
is possible too, especially closer to the Blue Ridge.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ003>006-019-020-180930-
Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-
523 AM EDT Mon Jun 17 2019

This Hazardous Weather Outlook is for north central North Carolina
and northwest North Carolina.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jun 17, 5:56 PM EDT, 1 hour 49 minutes before

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Special weather statement, Jun 17, 6:03 PM EDT, 1 hour 42 minutes before

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Special weather statement, Jun 17, 6:30 PM EDT, 1 hour 15 minutes before

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Special weather statement, Jun 17, 7:18 PM EDT, 27 minutes before

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Local storm report, Jun 17, 7:32 PM EDT, 13 minutes before

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Special weather statement, Jun 17, 7:40 PM EDT, 5 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
Jun 17, 12:59 AM EDT	Special Weather Statement	RNK	Smyth, Tazewell	61 min
Jun 17, 12:52 PM EDT	Special Weather Statement	RNK	Bedford	38 min
Jun 17, 1:32 PM EDT	Special Weather Statement	RNK	Floyd, Montgomery, Pulaski, City of Radford	43 min
Jun 17, 1:39 PM EDT	Special Weather Statement	RNK	Franklin	51 min
Jun 17, 1:46 PM EDT	Special Weather Statement	RNK	Campbell	44 min
Jun 17, 1:56 PM EDT	Special Weather Statement	RNK	Bland	49 min
Jun 17, 2:06 PM EDT	Special Weather Statement	RNK	Franklin	54 min
Jun 17, 2:12 PM EDT	Special Weather Statement	RNK	Patrick	48 min
Jun 17, 2:23 PM EDT	Special Weather Statement	RNK	Henry, City of Martinsville	52 min
Jun 17, 2:28 PM EDT	Special Weather Statement	RNK	Charlotte	62 min
Jun 17, 2:32 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Tazewell	58 min
Jun 17, 2:36 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell, Franklin, Pittsylvania	54 min
Jun 17, 2:42 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	63 min
Jun 17, 2:45 PM EDT	Areal Flood Advisory	RNK	Franklin, Pittsylvania	4 hr
Jun 17, 2:45 PM EDT	Special Weather Statement	RNK	Franklin	60 min
Jun 17, 2:59 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Henry, Pittsylvania	61 min
Jun 17, 3:06 PM EDT	Special Weather Statement	RNK	Smyth	54 min
Jun 17, 3:15 PM EDT	Special Weather Statement	RNK	Charlotte	60 min
Jun 17, 3:23 PM EDT	Severe Thunderstorm Warning	RNK	Campbell, Charlotte, Halifax	67 min
Jun 17, 3:27 PM EDT	Special Weather Statement	RNK	Bedford	63 min
Jun 17, 3:31 PM EDT	Special Weather Statement	RNK	Bland	59 min
Jun 17, 3:36 PM EDT	Special Weather Statement	RNK	Henry, Patrick	54 min
Jun 17, 4:00 PM EDT	Special Weather Statement	RNK	Halifax	60 min
Jun 17, 4:03 PM EDT	Special Weather Statement	RNK	Amherst, City of Buena Vista	57 min
Jun 17, 4:13 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	62 min
Jun 17, 4:20 PM EDT	Special Weather Statement	RNK	Grayson	55 min
Jun 17, 4:32 PM EDT	Special Weather Statement	RNK	Wythe	58 min
Jun 17, 4:33 PM EDT	Areal Flood Advisory	RNK	Patrick	3 hr
Jun 17, 4:36 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	39 min
Jun 17, 5:13 PM EDT	Special Weather Statement	RNK	Tazewell	62 min
Jun 17, 5:38 PM EDT	Special Weather Statement	RNK	City of Roanoke, City of Salem	52 min
Jun 17, 5:41 PM EDT	Special Weather Statement	RNK	Wythe	64 min
Jun 17, 5:46 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	59 min
Jun 17, 6:03 PM EDT	Special Weather Statement	RNK	Grayson, Smyth	57 min
Jun 17, 6:16 PM EDT	Severe Thunderstorm Warning	RNK	Grayson, Smyth, Wythe	59 min
Jun 17, 6:30 PM EDT	Special Weather Statement	RNK	Pittsylvania	60 min
Jun 17, 1:04 PM EDT	Special Weather Statement	RNK	Watauga	41 min
Jun 17, 4:51 PM EDT	Special Weather Statement	RNK	Watauga	54 min
Jun 17, 5:10 PM EDT	Special Weather Statement	RNK	Stokes, Surry	65 min
Jun 17, 5:32 PM EDT	Areal Flood Advisory	RNK	Ashe, Watauga	4 hr
Jun 17, 7:18 PM EDT	Special Weather Statement	RNK	Surry	57 min
Jun 17, 7:40 PM EDT	Special Weather Statement	RNK	Stokes, Yadkin	65 min
Jun 16, 11:15 PM EDT	Special Weather Statement	RNK	Greenbrier, Summers	60 min

Nearby

Flash Flood Warnings in North Carolina, 2019 Every flash flood warning in 2019

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.