Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

July 14, 2021Franklin County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 14, 2021, 2:29 PM EDT for Franklin County, Virginia. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 14, 2021, 2:29 PM EDT (18:29 UTC)
Expired: Jul 14, 2021, 3:00 PM EDT
In force: 31 min
Issued by: NWS Blacksburg, VA

County Franklin County, VA

The radar

The Roanoke radar (KFCX), 39 km from the middle of the area, began a volume at 18:33 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, 6.5 hours before the alert went out and 42 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: 78 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 14, 1:26 PM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, Jul 14, 1:26 PM EDT, 1 hour 3 minutes before

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Hazardous weather outlook, Jul 14, 5:16 AM EDT, 9 hours 13 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
516 AM EDT Wed Jul 14 2021

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-150930-
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-
516 AM EDT Wed Jul 14 2021

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...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

There is a marginal threat for excessive rainfall this upcoming
weekend. This may result in localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jul 14, 10:33 AM EDT, 3 hours 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1033 AM EDT WED JUL 14 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0410 PM     TSTM WND DMG     2 W SPRINGWOOD          37.55N 79.78W
07/13/2021                   BOTETOURT          VA   911 CALL CENTER

            TREE DOWN BLOCKING ROAD. TIME ESTIMATED FROM
            RADAR.

&&

AMS

Special weather statement, Jul 14, 1:11 PM EDT, 1 hour 18 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
111 PM EDT Wed Jul 14 2021

NCZ019-141745-
Wilkes-
111 PM EDT Wed Jul 14 2021

...A STRONG THUNDERSTORM WILL AFFECT WESTERN WILKES COUNTY...

At 111 PM EDT, a strong thunderstorm was located over Maple Springs,
or near Deep Gap, moving east at 15 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
North Wilkesboro...
Wilkesboro...
Wilbar...
Mc Grady...
Mulberry...
Buck...
and Millers Creek.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

LAT...LON 3612 8146 3619 8147 3620 8146 3625 8147
      3626 8146 3626 8143 3627 8143 3629 8138
      3628 8137 3629 8137 3635 8117 3612 8114
TIME...MOT...LOC 1711Z 257DEG 12KT 3619 8141

PW

Special weather statement, Jul 14, 1:13 PM EDT, 1 hour 16 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
113 PM EDT Wed Jul 14 2021

VAZ043-141745-
Henry-
113 PM EDT Wed Jul 14 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL HENRY COUNTY AND THE
CITY OF MARTINSVILLE...

At 113 PM EDT, a strong thunderstorm was located near Fieldale, or
near Spencer, moving east at 15 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Martinsville...
Spencer...
Bassett...
Axton...
Leatherwood...
Villa Heights...
and Chatmoss.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

LAT...LON 3661 8005 3674 8007 3680 7983 3679 7980
      3680 7979 3680 7976 3679 7976 3681 7973
      3660 7972
TIME...MOT...LOC 1713Z 263DEG 12KT 3668 8000

PW

Special weather statement, Jul 14, 1:57 PM EDT, 32 minutes before

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Special weather statement, Jul 14, 2:29 PM EDT, 0 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
Jul 14, 1:13 PM EDT	Special Weather Statement	RNK	Henry, City of Martinsville	32 min
Jul 14, 1:57 PM EDT	Special Weather Statement	RNK	Bedford	33 min
Jul 14, 2:31 PM EDT	Special Weather Statement	RNK	Floyd	29 min
Jul 14, 3:10 PM EDT	Special Weather Statement	RNK	Carroll	35 min
Jul 14, 3:38 PM EDT	Special Weather Statement	RNK	Halifax	37 min
Jul 14, 3:46 PM EDT	Special Weather Statement	RNK	Bedford, City of Lynchburg	44 min
Jul 14, 3:50 PM EDT	Special Weather Statement	RNK	Carroll	25 min
Jul 14, 3:58 PM EDT	Areal Flood Advisory	RNK	Amherst, Bedford, Campbell, City of Lynchburg	93 min
Jul 14, 4:21 PM EDT	Special Weather Statement	RNK	Patrick	24 min
Jul 14, 5:03 PM EDT	Special Weather Statement	RNK	Buckingham	27 min
Jul 14, 1:11 PM EDT	Special Weather Statement	RNK	Wilkes	34 min
Jul 14, 3:05 PM EDT	Special Weather Statement	RNK	Surry	25 min
Jul 14, 4:39 PM EDT	Special Weather Statement	RNK	Stokes	36 min
Jul 14, 4:40 PM EDT	Special Weather Statement	RNK	Caswell	35 min

Nearby

Special Weather Statements in Virginia, 2021 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.