Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

July 26, 20214 counties in Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 26, 2021, 1:45 PM EDT for 4 counties in Virginia. It was in force for 30 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 26, 2021, 1:45 PM EDT (17:45 UTC)
Expired
Jul 26, 2021, 2:15 PM EDT
In force
30 min
Issued by
NWS Blacksburg, VA

Counties City of Roanoke, VA, City of Salem, VA, Craig County, VA, Roanoke County, VA

The radar

The Roanoke radar (KFCX), 50 km from the middle of the area, began a volume at 17:47 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, 5.8 hours before the alert went out and 65 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 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 658 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 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
658 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
50 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 26, 1:19 PM EDT, 26 minutes earlier.

Area forecast discussion, Jul 26, 1:19 PM EDT, 26 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jul 26, 4:32 AM EDT, 9 hours 13 minutes before
Hazardous Weather Outlook
National Weather Service Blacksburg VA
432 AM EDT Mon Jul 26 2021

NCZ001-002-018-VAZ007-009>020-022>024-WVZ042>044-507-508-270845-
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-
Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-
Botetourt-Rockbridge-Mercer-Summers-Monroe-Eastern Greenbrier-
Western Greenbrier-
432 AM EDT Mon Jul 26 2021

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

.DAY ONE...Today and tonight.

Showers and thunderstorms are expected today and tonight. Localized
flooding and damaging winds are possible.

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

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

NCZ003>006-019-020-VAZ032>035-043>047-058-059-270845-
Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Franklin-
Bedford-Amherst-Henry-Pittsylvania-Campbell-Appomattox-Buckingham-
Halifax-Charlotte-
432 AM EDT Mon Jul 26 2021

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

.DAY ONE...Today and tonight.

Strong to severe thunderstorms are expected today through tonight.
Northern North Carolina and portions of southeastern Virginia have
an increased threat for storms producing damaging winds as well as
heavy rainfall leading to flash flooding.

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

Additional showers and thunderstorms are expected Tuesday. This
activity may produce localized flooding and damaging winds.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

In the hours before

Special weather statement, Jul 26, 12:27 PM EDT, 1 hour 18 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
1227 PM EDT Mon Jul 26 2021

VAZ018-023-261700-
Botetourt-Craig-
1227 PM EDT Mon Jul 26 2021

...A STRONG THUNDERSTORM WILL AFFECT
NORTHEASTERN CRAIG AND CENTRAL BOTETOURT COUNTIES...

At 1227 PM EDT, a strong thunderstorm was located near Fincastle, or
near Oriskany, moving southeast at 10 mph.

Pea size hail is possible with this storm.

Locations impacted include...
Buchanan...
Troutville...
Fincastle...
Nace...
Arcadia...
Springwood...
and Lithia.

LAT...LON 3755 7961 3748 7966 3748 7968 3742 7976
      3740 7981 3738 7979 3738 7977 3735 7979
      3734 7981 3753 8005 3764 7991
TIME...MOT...LOC 1627Z 300DEG 9KT 3754 7992

VFJ
Special weather statement, Jul 26, 12:42 PM EDT, 1 hour 3 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
1242 PM EDT Mon Jul 26 2021

NCZ004-005-VAZ032-043-261730-
Stokes-Rockingham-Henry-Patrick-
1242 PM EDT Mon Jul 26 2021

...A STRONG THUNDERSTORM WILL AFFECT
NORTHEASTERN STOKES...NORTHWESTERN ROCKINGHAM...SOUTHWESTERN HENRY
AND SOUTHEASTERN PATRICK COUNTIES...

At 1242 PM EDT, a strong thunderstorm was located over Patrick
Springs, or near Stuart, moving southeast at 10 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Stuart...
Sandy Ridge...
Spencer...
Sanville...
Penns Store...
Critz...
and Price.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3664 8036 3677 8017 3660 7981 3636 8006
TIME...MOT...LOC 1642Z 308DEG 10KT 3664 8019

VFJ
Special weather statement, Jul 26, 1:02 PM EDT, 43 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
102 PM EDT Mon Jul 26 2021

VAZ022-023-033-034-261745-
Botetourt-Franklin-Roanoke-Bedford-
102 PM EDT Mon Jul 26 2021

...A STRONG THUNDERSTORM WILL AFFECT
NORTHEASTERN ROANOKE...WESTERN BEDFORD...SOUTHERN BOTETOURT AND
NORTHEASTERN FRANKLIN COUNTIES...THE CITY OF SALEM AND THE CITY OF
ROANOKE...

At 101 PM EDT, a strong thunderstorm was located over Cloverdale, or
near Vinton, moving southeast at 10 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Roanoke...
Salem...
Vinton...
Bedford...
Buchanan...
Troutville...
and Stewartsville.

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3728 8012 3756 7983 3741 7942 3704 7969
TIME...MOT...LOC 1701Z 299DEG 11KT 3734 7990

VFJ
Special weather statement, Jul 26, 1:14 PM EDT, 31 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
114 PM EDT Mon Jul 26 2021

NCZ002-003-018>020-261745-
Yadkin-Surry-Wilkes-Watauga-Alleghany-
114 PM EDT Mon Jul 26 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT
SOUTHEASTERN ALLEGHANY...WESTERN SURRY...WILKES...SOUTHEASTERN
WATAUGA AND NORTHWESTERN YADKIN COUNTIES IN NORTHWESTERN NORTH
CAROLINA...

At 113 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Low Gap to near Darby. Movement was
south at 10 mph.

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

Locations impacted include...
North Wilkesboro...
Elkin...
Wilkesboro...
Fairview...
Jonesville...
Dobson...
and Boonville.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3602 8135 3604 8140 3605 8139 3607 8141
      3607 8144 3609 8146 3609 8147 3610 8148
      3610 8151 3611 8153 3618 8156 3656 8082
      3628 8056 3603 8109 3604 8111 3603 8117
      3604 8120 3603 8127 3600 8132
TIME...MOT...LOC 1713Z 345DEG 8KT 3647 8088 3616 8146

VFJ
Special weather statement, Jul 26, 1:38 PM EDT, 7 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
138 PM EDT Mon Jul 26 2021

VAZ033-044-261815-
Franklin-Pittsylvania-
138 PM EDT Mon Jul 26 2021

...A STRONG THUNDERSTORM WILL AFFECT
WEST CENTRAL PITTSYLVANIA AND EAST CENTRAL FRANKLIN COUNTIES...

At 138 PM EDT, a strong thunderstorm was located near Union Hall, or
near Penhook, moving southeast at 10 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Callands...
Penhook...
Sago...
Western Smith Mountain Lake...
Pittsville...
Sontag...
and Ajax.

LAT...LON 3696 7987 3706 7976 3697 7963 3700 7962
      3700 7943 3680 7955
TIME...MOT...LOC 1738Z 298DEG 11KT 3698 7972

VFJ
Special weather statement, Jul 26, 1:45 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
145 PM EDT Mon Jul 26 2021

VAZ018-022-023-261815-
Botetourt-Craig-Roanoke-
145 PM EDT Mon Jul 26 2021

...A STRONG THUNDERSTORM WILL AFFECT
NORTHEASTERN ROANOKE...CENTRAL CRAIG AND SOUTHWESTERN BOTETOURT
COUNTIES...THE CITY OF SALEM AND THE CITY OF ROANOKE...

At 145 PM EDT, a strong thunderstorm was located over Craig Springs,
or near Sinking Creek, moving southeast at 30 mph.

Half inch hail is possible with this storm.

Locations impacted include...
Roanoke...
Salem...
Vinton...
Troutville...
New Castle...
Sinking Creek...
and Catawba.

LAT...LON 3745 7979 3715 7995 3745 8039 3749 8034
      3751 8030 3753 8028 3754 8029 3759 8023
TIME...MOT...LOC 1745Z 298DEG 27KT 3746 8025

VFJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 8:01 PM EDTSpecial Weather StatementRNKBuckingham29 min
Jul 25, 9:06 PM EDTSpecial Weather StatementRNKFloyd24 min
Jul 26, 12:15 PM EDTSpecial Weather StatementRNKGiles30 min
Jul 26, 12:22 PM EDTSpecial Weather StatementRNKCity of Lynchburg23 min
Jul 26, 12:27 PM EDTSpecial Weather StatementRNKBotetourt33 min
Jul 26, 12:42 PM EDTSpecial Weather StatementRNKHenry, Patrick48 min
Jul 26, 1:02 PM EDTSpecial Weather StatementRNKBedford, City of Roanoke, City of Salem43 min
Jul 26, 1:07 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Franklin, Roanoke, City of Roanoke68 min
Jul 26, 1:38 PM EDTSpecial Weather StatementRNKFranklin37 min
Jul 26, 1:56 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Pittsylvania49 min
Jul 26, 2:07 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Craig, Roanoke, City of Roanoke, City of Salem39 min
Jul 26, 2:07 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Craig, Roanoke, City of Roanoke, City of Salem38 min
Jul 26, 2:10 PM EDTSpecial Weather StatementRNKPatrick50 min
Jul 26, 2:19 PM EDTSevere Thunderstorm WarningRNKPatrick41 min
Jul 26, 2:44 PM EDTSevere Thunderstorm WarningRNKFranklin, Pittsylvania61 min
Jul 26, 3:00 PM EDTSevere Thunderstorm WarningRNKAmherst, Rockbridge, City of Buena Vista, City of Lexington60 min
Jul 26, 3:10 PM EDTSpecial Weather StatementRNKCampbell50 min
Jul 26, 3:41 PM EDTAreal Flood AdvisoryRNKCampbell3 hr
Jul 26, 3:45 PM EDTSpecial Weather StatementRNKFranklin, City of Martinsville60 min
Jul 26, 3:49 PM EDTSevere Thunderstorm WarningRNKAmherst56 min
Jul 26, 3:54 PM EDTSpecial Weather StatementRNKRockbridge, City of Buena Vista, City of Lexington51 min
Jul 26, 4:00 PM EDTSpecial Weather StatementRNKAppomattox60 min
Jul 26, 4:09 PM EDTSevere Thunderstorm WarningRNKHenry, City of Martinsville55 min
Jul 26, 4:13 PM EDTSpecial Weather StatementRNKCity of Radford47 min
Jul 26, 4:19 PM EDTSevere Thunderstorm WarningRNKMontgomery, Pulaski, City of Radford56 min
Jul 26, 4:32 PM EDTSevere Thunderstorm WarningRNKAppomattox, Campbell47 min
Jul 26, 4:34 PM EDTAreal Flood AdvisoryRNKRockbridge, City of Lexington3 hr
Jul 26, 4:36 PM EDTSpecial Weather StatementRNKFloyd54 min
Jul 26, 4:57 PM EDTSevere Thunderstorm WarningRNKBuckingham33 min
Jul 26, 5:01 PM EDTSpecial Weather StatementRNKAmherst, City of Buena Vista, City of Lexington59 min
Jul 26, 5:10 PM EDTFlash Flood WarningRNKAppomattox, Campbell3 hr
Jul 26, 5:10 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Montgomery, Pulaski65 min
Jul 26, 5:44 PM EDTAreal Flood AdvisoryRNKRockbridge3 hr
Jul 26, 5:45 PM EDTSpecial Weather StatementRNKSmyth30 min
Jul 26, 5:50 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Pulaski55 min
Jul 26, 5:54 PM EDTSpecial Weather StatementRNKBland51 min
Jul 26, 6:18 PM EDTSpecial Weather StatementRNKWythe, City of Galax27 min
Jul 26, 6:33 PM EDTSpecial Weather StatementRNKBotetourt57 min
Jul 26, 6:37 PM EDTSpecial Weather StatementRNKPulaski, City of Radford53 min
Jul 26, 6:41 PM EDTSpecial Weather StatementRNKCraig34 min
Jul 26, 6:50 PM EDTSevere Thunderstorm WarningRNKBotetourt40 min
Jul 26, 7:02 PM EDTSpecial Weather StatementRNKCraig28 min
Jul 26, 7:12 PM EDTSpecial Weather StatementRNKCity of Galax63 min
Jul 26, 7:24 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Roanoke, City of Roanoke, City of Salem40 min
Jul 26, 7:28 PM EDTAreal Flood AdvisoryRNKBedford, Botetourt, Roanoke3 hr
Jul 26, 1:14 PM EDTSpecial Weather StatementRNKSurry, Wilkes31 min
Jul 26, 1:24 PM EDTSevere Thunderstorm WarningRNKAlleghany, Stokes, Surry, Watauga, Wilkes, Yadkin66 min
Jul 26, 2:34 PM EDTSpecial Weather StatementRNKYadkin41 min
Jul 26, 3:34 PM EDTSpecial Weather StatementRNKStokes56 min
Jul 26, 7:08 PM EDTSpecial Weather StatementRNKCaswell52 min
Jul 26, 11:47 AM EDTSpecial Weather StatementRNKSummers43 min

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.