Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

July 8, 2021Giles County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 8, 2021, 1:34 PM EDT for Giles County, Virginia. It was in force for 26 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 8, 2021, 1:34 PM EDT (17:34 UTC)
Expired
Jul 8, 2021, 2:00 PM EDT
In force
26 min
Issued by
NWS Blacksburg, VA

County Giles County, VA

The radar

The Roanoke radar (KFCX), 67 km from the middle of the area, began a volume at 17:37 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, 5.6 hours before the alert went out and 126 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-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 243 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
243 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1038 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
43 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 8, 1:30 PM EDT, 4 minutes earlier.

Area forecast discussion, Jul 8, 1:30 PM EDT, 4 minutes before
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jul 8, 6:32 AM EDT, 7 hours 2 minutes before
Hazardous Weather Outlook
National Weather Service Blacksburg VA
632 AM EDT Thu Jul 8 2021

NCZ001>004-018>020-VAZ007-009>020-022>024-032>035-043-045>047-
WVZ042>044-507-508-091045-
Ashe-Alleghany NC-Surry-Stokes-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-Campbell-Appomattox-Buckingham-Mercer-Summers-
Monroe-Eastern Greenbrier-Western Greenbrier-
632 AM EDT Thu Jul 8 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...Friday through Wednesday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ005-006-VAZ044-058-059-091045-
Rockingham-Caswell-Pittsylvania-Halifax-Charlotte-
632 AM EDT Thu Jul 8 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

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

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

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

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

In the hours before

Special weather statement, Jul 8, 11:40 AM EDT, 1 hour 54 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
1140 AM EDT Thu Jul 8 2021

VAZ035-045-046-081615-
Amherst-Campbell-Appomattox-
1140 AM EDT Thu Jul 8 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT
NORTHWESTERN APPOMATTOX...AND AMHERST COUNTIES AND THE NORTHEASTERN
CITY OF LYNCHBURG...

At 1140 AM EDT, radar indicated strong thunderstorms were located
along a line extending from near Forks Of Buffalo to 6 miles east of
Lowesville. Movement was north at 30 mph.

Winds in excess of 30 mph are possible with these storms.

Locations impacted include...
Lynchburg...
Amherst...
Forks Of Buffalo...
Clifford...
Madison Heights...
Stonewall...
and Pleasant View.

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 3737 7914 3772 7931 3779 7927 3780 7922
      3779 7920 3780 7917 3781 7913 3778 7911
      3778 7908 3777 7907 3772 7907 3770 7900
      3761 7893 3755 7890 3755 7888 3744 7880
TIME...MOT...LOC 1539Z 170DEG 37KT 3769 7914 3773 7896

ET
Special weather statement, Jul 8, 12:02 PM EDT, 1 hour 32 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
1202 PM EDT Thu Jul 8 2021

VAZ011-014-018-019-022>024-034-035-WVZ044-081630-
Botetourt-Giles-Montgomery-Amherst-Craig-Roanoke-Bedford-Rockbridge-
Alleghany-Monroe-
1202 PM EDT Thu Jul 8 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT
NORTHEASTERN GILES AND CRAIG COUNTIES IN SOUTHWESTERN VIRGINIA...
ROCKBRIDGE...BOTETOURT...NORTHERN ROANOKE AND CENTRAL ALLEGHANY
COUNTIES IN WEST CENTRAL VIRGINIA...NORTHWESTERN BEDFORD COUNTY IN
SOUTH CENTRAL VIRGINIA...NORTHERN AMHERST COUNTY IN CENTRAL
VIRGINIA...NORTHERN MONTGOMERY COUNTY IN SOUTHWESTERN VIRGINIA AND
CENTRAL MONROE COUNTIES IN SOUTHEASTERN WEST VIRGINIA...THE CITY OF
COVINGTON...THE CITY OF BUENA VISTA...THE NORTHERN CITY OF SALEM...
THE CITY OF LEXINGTON AND THE NORTHWESTERN CITY OF ROANOKE...

At 1200 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Lowesville to Newport. Movement was
northwest at 30 mph.

Winds in excess of 30 mph are possible with these storms.

Locations impacted include...
Roanoke...
Blacksburg...
Salem...
Christiansburg...
Lexington...
Buena Vista...
and Covington.

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 3793 7921 3786 7914 3781 7917 3781 7914
      3778 7911 3778 7908 3772 7907 3770 7899
      3767 7896 3713 8048 3719 8053 3720 8052
      3721 8054 3749 8075 3788 7974 3784 7969
      3787 7965 3793 7962 3802 7937
TIME...MOT...LOC 1600Z 146DEG 29KT 3770 7908 3726 8050

ET
Special weather statement, Jul 8, 12:43 PM EDT, 51 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
1243 PM EDT Thu Jul 8 2021

VAZ007-009-010-WVZ042-081715-
Tazewell-Bland-Smyth-Mercer-
1243 PM EDT Thu Jul 8 2021

...A SHOWER WILL AFFECT
NORTHWESTERN SMYTH...TAZEWELL...NORTHWESTERN BLAND AND SOUTHWESTERN
MERCER COUNTIES...

At 1242 PM EDT, a shower was located near Cliffield, or 7 miles
southwest of Tazewell, moving northeast at 20 mph. Wind gusts
upwards of 20 mph are possible.

Locations impacted include...
Richlands...
Bluefield...
Tazewell...
Cedar Bluff...
Burkes Garden...
Pocahontas...
and Bramwell.

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 3721 8160 3721 8156 3722 8154 3723 8151
      3726 8150 3725 8148 3727 8145 3727 8142
      3731 8140 3732 8137 3735 8136 3737 8132
      3718 8115 3689 8169 3709 8180
TIME...MOT...LOC 1642Z 235DEG 15KT 3704 8163

ET
Special weather statement, Jul 8, 1:05 PM EDT, 29 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
105 PM EDT Thu Jul 8 2021

VAZ011-013-WVZ044-081730-
Giles-Pulaski-Monroe-
105 PM EDT Thu Jul 8 2021

...A SHOWER WILL AFFECT
NORTHWESTERN PULASKI...GILES AND SOUTHWESTERN MONROE COUNTIES...

At 105 PM EDT, a shower was located over Bane, or over Poplar Hill,
moving north at 20 mph.

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

Locations impacted include...
Pearisburg...
Narrows...
Pembroke...
Peterstown...
Newport...
Mountain Lake...
and Poplar Hill.

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 3749 8048 3728 8048 3725 8061 3723 8062
      3722 8061 3713 8088 3715 8086 3717 8088
      3718 8086 3719 8087 3719 8089 3733 8088
      3735 8085 3737 8087 3741 8087
TIME...MOT...LOC 1705Z 180DEG 23KT 3724 8072

ET
Special weather statement, Jul 8, 1:19 PM EDT, 15 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
119 PM EDT Thu Jul 8 2021

VAZ007-010-WVZ042-081745-
Tazewell-Bland-Mercer-
119 PM EDT Thu Jul 8 2021

...A STRONG THUNDERSTORM WILL AFFECT
NORTHEASTERN TAZEWELL...NORTHWESTERN BLAND AND SOUTHWESTERN MERCER
COUNTIES...

At 118 PM EDT, a strong thunderstorm was located near Tazewell,
moving northeast at 20 mph.

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

Locations impacted include...
Bluefield...
Tazewell...
Pocahontas...
Bramwell...
Clear Fork...
Amonate...
and Coaldale.

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 3720 8164 3721 8156 3722 8154 3724 8151
      3726 8150 3725 8148 3727 8145 3727 8142
      3731 8140 3732 8137 3737 8134 3721 8113
      3704 8153 3719 8166
TIME...MOT...LOC 1718Z 235DEG 14KT 3717 8152

ET
Special weather statement, Jul 8, 1:34 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
134 PM EDT Thu Jul 8 2021

VAZ011-WVZ042>044-081800-
Giles-Mercer-Summers-Monroe-
134 PM EDT Thu Jul 8 2021

...A SHOWER WILL AFFECT
WESTERN GILES...SOUTH CENTRAL SUMMERS...SOUTHEASTERN MERCER AND
SOUTHWESTERN MONROE COUNTIES...

At 134 PM EDT, a shower was located over Chapel, or near Narrows,
moving northwest at 25 mph.

Locations impacted include...
Pearisburg...
Narrows...
Peterstown...
Rich Creek...
Oakvale...
Glen Lyn...
and Willowton.

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 3750 8088 3744 8061 3719 8084 3725 8098
      3727 8101 3730 8098 3729 8103 3729 8104
TIME...MOT...LOC 1734Z 117DEG 22KT 3728 8092

ET

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 9:01 AM EDTSpecial Weather StatementRNKCarroll, Patrick, City of Galax44 min
Jul 8, 10:31 AM EDTSpecial Weather StatementRNKBedford, Campbell, Floyd, Franklin, Patrick, City of Lynchburg29 min
Jul 8, 11:20 AM EDTSpecial Weather StatementRNKBotetourt, Roanoke, City of Buena Vista, City of Roanoke, City of Salem40 min
Jul 8, 11:40 AM EDTSpecial Weather StatementRNKAmherst35 min
Jul 8, 12:02 PM EDTSpecial Weather StatementRNKAmherst, Botetourt, Craig, Montgomery, Roanoke, Rockbridge and 4 more28 min
Jul 8, 12:43 PM EDTSpecial Weather StatementRNKTazewell32 min
Jul 8, 1:05 PM EDTSpecial Weather StatementRNKGiles25 min
Jul 8, 1:19 PM EDTSpecial Weather StatementRNKTazewell26 min
Jul 8, 1:49 PM EDTAreal Flood AdvisoryRNKTazewell3 hr
Jul 8, 5:25 PM EDTAreal Flood AdvisoryRNKCharlotte, Halifax116 min
Jul 7, 8:28 PM EDTSpecial Weather StatementRNKGreenbrier47 min
Jul 7, 8:55 PM EDTAreal Flood AdvisoryRNKGreenbrier51 min
Jul 8, 2:32 PM EDTSpecial Weather StatementRNKMercer, Summers43 min
Jul 8, 2:59 PM EDTAreal Flood AdvisoryRNKMercer2 hr

Nearby

Special Weather Statements in Virginia, 2021Every 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.