Alert archive / Virginia / Special Weather Statements in 2018

Special Weather Statement, NWS Blacksburg, VA

August 2, 2018Bedford County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 2, 2018, 3:22 PM EDT for Bedford County, Virginia. It was in force for 38 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
Aug 2, 2018, 3:22 PM EDT (19:22 UTC)
Expired
Aug 2, 2018, 4:00 PM EDT
In force
38 min
Issued by
NWS Blacksburg, VA

County Bedford County, VA

The radar

The Roanoke radar (KFCX), 63 km from the middle of the area, began a volume at 19:22 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, 7.4 hours before the alert went out and 25 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 2018-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 313 joules per kilogram.LCLEL10008507005003002001001 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 2018-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 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
313 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
459 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.7

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 Aug 2, 12:46 PM EDT, 2 hours 36 minutes earlier.

Area forecast discussion, Aug 2, 12:46 PM EDT, 2 hours 36 minutes before
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Hazardous weather outlook, Aug 2, 2:59 PM EDT, 23 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Blacksburg VA
259 PM EDT Thu Aug 2 2018

NCZ001>004-018>020-VAZ007-009>020-032-WVZ042>044-507-508-031900-
Ashe-Alleghany NC-Surry-Stokes-Watauga-Wilkes-Yadkin-Tazewell-Smyth-
Bland-Giles-Wythe-Pulaski-Montgomery-Grayson-Carroll-Floyd-Craig-
Alleghany VA-Bath-Patrick-Mercer-Summers-Monroe-Eastern Greenbrier-
Western Greenbrier-
259 PM EDT Thu Aug 2 2018

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

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

.DAY ONE...This afternoon 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.

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

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ005-006-VAZ022>024-033>035-043>047-058-059-031900-
Rockingham-Caswell-Roanoke-Botetourt-Rockbridge-Franklin-Bedford-
Amherst-Henry-Pittsylvania-Campbell-Appomattox-Buckingham-Halifax-
Charlotte-
259 PM EDT Thu Aug 2 2018

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

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

.DAY ONE...This afternoon 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.

In addition, strong to isolated severe thunderstorms containing
damaging winds will be possible into this evening.

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

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

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Aug 2, 1:48 PM EDT, 1 hour 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
148 PM EDT THU AUG 2 2018

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

0900 AM     FLASH FLOOD      REIDSVILLE              36.35N 79.67W
08/02/2018                   ROCKINGHAM         NC   911 CALL CENTER

            MULTIPLE ROADS CLOSED DUE TO FLASH FLOODING THROUGHOUT
            THE COUNTY...INCLUDING ROUTE 29 NEAR RUFFIN...ROUTE 29
            BUSINESS IN OREGON HILL...FRONT STREET IN EDEN...MCCOLLUM
            ROAD SOUTHEAST OF MADISON...BERRY HILL RIDGE ROAD WEST OF
            PELHAM...ANGELL ROAD AND SAND ROCK BRIDGE LANE SOUTHEAST
            OF MADISON...ROUTE 65 AND IRON WORKS ROAD WEST OF
            REIDSVILLE...WITTY ROAD WEST OF MONROETON...WOLF ISLAND
            ROAD NEAR REIDSVILLE...AND CRUTCHFIELD ROAD NEAR
            REIDSVILLE

&&

PW
Special weather statement, Aug 2, 2:11 PM EDT, 1 hour 11 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
211 PM EDT THU AUG 2 2018

NCZ002-003-019-020-021900-
Yadkin-Surry-Wilkes-Alleghany-
211 PM EDT THU AUG 2 2018

...THUNDERSTORMS WITH VERY HEAVY RAINFALL WILL AFFECT EASTERN
ALLEGHANY... SURRY...WILKES AND WESTERN YADKIN COUNTIES IN
NORTHWESTERN NORTH CAROLINA...

Until 300 PM EDT.

At 210 PM EDT, thunderstorms were located along a line extending
from near Mountain Park to near Taylorsville. Movement was northeast
at 40 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Mount Airy...
North Wilkesboro...
Elkin...
Wilkesboro...
and Fairview.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

These storms 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 3601 8133 3655 8115 3655 8054 3605 8076
      3606 8098 3603 8106 3604 8120
TIME...MOT...LOC 1810Z 227DEG 35KT 3639 8090 3600 8115

MBS
Special weather statement, Aug 2, 2:35 PM EDT, 47 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
235 PM EDT THU AUG 2 2018

VAZ017-022-033-021915-
Franklin-Floyd-Roanoke-
235 PM EDT THU AUG 2 2018

...THUNDERSTORMS WITH HEAVY RAINFALL WILL AFFECT EASTERN
ROANOKE...NORTHEASTERN FLOYD AND NORTHWESTERN FRANKLIN
COUNTIES...THE SOUTHEASTERN CITY OF SALEM AND THE CITY OF ROANOKE...

Until 315 PM EDT.

At 234 PM EDT, thunderstorms with very heavy rainfall extended from
near Hollins to near Check. the storms are nearly stationary.

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

Locations impacted include...
Roanoke...
Salem...
Vinton...
Boones Mill...
and Copper Hill.

This includes The following Location Roanoke Regional Airport.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3732 7985 3730 7984 3729 7985 3726 7986
      3724 7984 3722 7985 3722 7983 3721 7983
      3698 8007 3705 8018 3737 7996
TIME...MOT...LOC 1834Z 197DEG 2KT 3731 7994 3701 8013

MBS
Special weather statement, Aug 2, 3:11 PM EDT, 11 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
311 PM EDT THU AUG 2 2018

NCZ003-004-020-VAZ032-022015-
Stokes-Yadkin-Surry-Patrick-
311 PM EDT THU AUG 2 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT EASTERN SURRY...
WESTERN STOKES...EASTERN YADKIN AND SOUTH CENTRAL PATRICK COUNTIES...

Until 415 PM EDT.

At 310 PM EDT, strong thunderstorms extended from Flat Rock to
Siloam to near Harmony. Movement was northeast at 20 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Mount Airy...
Flat Rock...
Yadkinville...
Pilot Mountain...
and Stuart.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

These storms 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 3605 8070 3622 8064 3652 8064 3668 8023
      3656 8021 3626 8031 3626 8045 3624 8045
      3622 8043 3621 8045 3614 8044 3612 8046
      3612 8049 3611 8051 3608 8051 3605 8050
TIME...MOT...LOC 1910Z 226DEG 17KT 3650 8058 3628 8058 3594 8070

MBS
Special weather statement, Aug 2, 3:16 PM EDT, 6 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
316 PM EDT THU AUG 2 2018

VAZ012>014-016-017-022000-
Pulaski-Floyd-Montgomery-Wythe-Carroll-
316 PM EDT THU AUG 2 2018

...STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN PULASKI...
NORTHWESTERN FLOYD...EAST CENTRAL WYTHE... NORTHEASTERN CARROLL AND
SOUTHWESTERN MONTGOMERY COUNTIES AND THE CITY OF RADFORD...

Until 400 PM EDT.

At 315 PM EDT, strong thunderstorms extended from near Claytor Lake
State Park to near Indian Valley. Movement was northeast at 30 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Blacksburg...
Christiansburg...
Radford...
Pulaski...
and Hillsville.

This includes The following Location Virginia Tech.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3728 8038 3702 8026 3672 8082 3699 8083
TIME...MOT...LOC 1915Z 231DEG 24KT 3701 8067 3689 8061

MBS
Special weather statement, Aug 2, 3:22 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
322 PM EDT THU AUG 2 2018

VAZ022-033-034-022000-
Franklin-Roanoke-Bedford-
322 PM EDT THU AUG 2 2018

...STRONG THUNDERSTORMS WILL AFFECT EAST CENTRAL ROANOKE...
SOUTHWESTERN BEDFORD AND NORTHEASTERN FRANKLIN COUNTIES...

Until 400 PM EDT.

At 321 PM EDT, strong thunderstorms extended from near Laymantown to
near Burnt Chimney. Movement was east at 20 mph.

Wind gusts up to 50 mph are possible with these storms.

Locations impacted include...
Roanoke...
Vinton...
Bedford...
Stewartsville...
and Montvale.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

These storms 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 3748 7953 3709 7958 3709 7992 3734 7988
      3731 7985 3735 7979 3738 7978 3738 7979
      3745 7960 3745 7959 3746 7958
TIME...MOT...LOC 1921Z 252DEG 15KT 3732 7984 3712 7987

MBS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 8:20 PM EDTAreal Flood AdvisoryRNKAppomattox, Campbell, Charlotte, Halifax88 min
Aug 1, 8:26 PM EDTSevere Thunderstorm WarningRNKAppomattox, Buckingham, Campbell, Charlotte94 min
Aug 1, 8:52 PM EDTSpecial Weather StatementRNKPittsylvania, City of Danville38 min
Aug 1, 9:05 PM EDTAreal Flood AdvisoryRNKAppomattox, Buckingham3 hr
Aug 1, 9:29 PM EDTSpecial Weather StatementRNKAppomattox, Campbell46 min
Aug 1, 9:46 PM EDTFlash Flood WarningRNKAppomattox, Campbell, Charlotte, Halifax6 hr
Aug 2, 12:41 AM EDTAreal Flood AdvisoryRNKCharlotte, Halifax5 hr
Aug 2, 4:23 AM EDTSpecial Weather StatementRNKBedford, Botetourt67 min
Aug 2, 4:28 AM EDTAreal Flood AdvisoryRNKBland, Carroll, Giles, Grayson, Smyth, Tazewell and 1 more3 hr
Aug 2, 5:03 AM EDTSpecial Weather StatementRNKGiles, Pulaski, City of Radford57 min
Aug 2, 5:38 AM EDTAreal Flood AdvisoryRNKGiles, Pulaski, Wythe6 hr
Aug 2, 6:35 AM EDTSpecial Weather StatementRNKAlleghany, Craig, City of Covington55 min
Aug 2, 6:49 AM EDTSpecial Weather StatementRNKCity of Danville56 min
Aug 2, 7:21 AM EDTAreal Flood AdvisoryRNKHenry, Pittsylvania, City of Danville3 hr
Aug 2, 7:35 AM EDTSpecial Weather StatementRNKAlleghany, Bath, City of Covington55 min
Aug 2, 8:34 AM EDTAreal Flood AdvisoryRNKCampbell, Pittsylvania3 hr
Aug 2, 9:00 AM EDTRiver Flood WarningRNKPittsylvania, City of Danville36 hr
Aug 2, 9:00 AM EDTRiver Flood WarningRNKHalifax69 hr
Aug 2, 9:27 AM EDTSpecial Weather StatementRNKPittsylvania33 min
Aug 2, 9:59 AM EDTSpecial Weather StatementRNKHalifax31 min
Aug 2, 10:33 AM EDTAreal Flood AdvisoryRNKPittsylvania, City of Danville3 hr
Aug 2, 10:57 AM EDTFlash Flood WarningRNKPittsylvania, City of Danville3 hr
Aug 2, 2:35 PM EDTSpecial Weather StatementRNKCity of Roanoke40 min
Aug 2, 3:03 PM EDTAreal Flood WarningRNKFranklin, Roanoke, City of Roanoke4 hr
Aug 2, 3:16 PM EDTSpecial Weather StatementRNKMontgomery, Pulaski, City of Radford44 min
Aug 2, 3:34 PM EDTSevere Thunderstorm WarningRNKBedford, Franklin, Roanoke41 min
Aug 2, 3:38 PM EDTAreal Flood AdvisoryRNKBedford, Franklin104 min
Aug 2, 3:42 PM EDTRiver Flood WarningRNKHalifax57 hr
Aug 2, 4:06 PM EDTSpecial Weather StatementRNKBedford24 min
Aug 2, 4:25 PM EDTSevere Thunderstorm WarningRNKHenry, Patrick, City of Martinsville65 min
Aug 2, 4:48 PM EDTSpecial Weather StatementRNKCity of Lynchburg57 min
Aug 2, 5:10 PM EDTFlash Flood WarningRNKHenry, City of Martinsville5 hr
Aug 2, 5:16 PM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox, Bedford, Campbell, City of Lynchburg59 min
Aug 2, 5:21 PM EDTAreal Flood WarningRNKBedford, Franklin114 min
Aug 2, 5:26 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Pittsylvania, City of Martinsville48 min
Aug 2, 5:45 PM EDTFlash Flood WarningRNKAmherst, Bedford, Campbell, Franklin, Pittsylvania, City of Lynchburg12 hr
Aug 2, 6:41 PM EDTSpecial Weather StatementRNKCity of Lynchburg64 min
Aug 2, 7:30 PM EDTSpecial Weather StatementRNKFranklin, Henry, Patrick60 min
Aug 2, 7:45 PM EDTAreal Flood AdvisoryRNKBland, Giles, Pulaski, Wythe2 hr
Aug 1, 8:14 PM EDTSpecial Weather StatementRNKRockingham31 min
Aug 1, 8:15 PM EDTSpecial Weather StatementRNKCaswell30 min
Aug 2, 8:04 AM EDTFlash Flood WarningRNKRockingham14 hr
Aug 2, 2:11 PM EDTSpecial Weather StatementRNKAlleghany, Surry, Wilkes49 min
Aug 2, 3:11 PM EDTSpecial Weather StatementRNKStokes64 min
Aug 2, 4:18 PM EDTSevere Thunderstorm WarningRNKRockingham, Stokes57 min
Aug 2, 4:20 PM EDTFlash Flood WarningRNKRockingham, Stokes6 hr
Aug 2, 4:51 PM EDTSevere Thunderstorm WarningRNKRockingham24 min
Aug 2, 6:24 PM EDTSevere Thunderstorm WarningRNKStokes, Surry, Wilkes, Yadkin51 min
Aug 2, 6:30 PM EDTFlash Flood WarningRNKStokes, Surry, Wilkes, Yadkin6 hr
Aug 2, 6:43 PM EDTSpecial Weather StatementRNKStokes47 min
Aug 2, 7:17 PM EDTSpecial Weather StatementRNKSurry58 min

Nearby

Special Weather Statements in Virginia, 2018Every special weather statement in 2018

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.