Alert archive / Virginia / Special Weather Statements in 2019

Special Weather Statement, NWS Blacksburg, VA

August 2, 2019Grayson County, Virginia; Alleghany County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Aug 2, 2019, 2:32 PM EDT for Grayson County, Virginia; Alleghany County, North Carolina. It was in force for 43 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, 2019, 2:32 PM EDT (18:32 UTC)
Expired: Aug 2, 2019, 3:15 PM EDT
In force: 43 min
Issued by: NWS Blacksburg, VA

Counties Alleghany County, NC, Grayson County, VA

The radar

The Roanoke radar (KFCX), 87 km from the middle of the area, began a volume at 18:35 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.5 hours before the alert went out and 127 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: 43 J/kg
Mixed-layer CIN: -237 J/kg
Mixed-layer LCL: 1219 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 36 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 Aug 2, 1:45 PM EDT, 47 minutes earlier.

Area forecast discussion, Aug 2, 1:45 PM EDT, 47 minutes before

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Hazardous weather outlook, Aug 2, 5:53 AM EDT, 8 hours 39 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
553 AM EDT Fri Aug 2 2019

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-031000-
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-
553 AM EDT Fri Aug 2 2019

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.

Scattered to numerous showers and thunderstorms are expected this
afternoon and evening. The main hazard will be locally heavy
rainfall. Heavy rainfall rates and slow moving storms may result in
localized flooding. A few storms could also be strong to severe,
producing damaging wind or hail.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

More showers and thunderstorms are expected Saturday. The main
hazards will be locally heavy rainfall and flooding. A few storms
could also be strong to severe, with the primary threats damaging
wind and hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Aug 2, 12:43 PM EDT, 1 hour 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1243 PM EDT FRI AUG 2 2019

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

0900 PM     FLOOD            4 NE FOREST             37.40N 79.22W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            VEHICLE STUCK IN FLOOD WATERS AT 3900 BLOCK
            OF OLD FOREST ROAD.

0850 PM     FLOOD            2 SSW LYNCHBURG CITY    37.39N 79.17W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            VEHICLE STUCK IN WATER AT 1200 WYTHE ROAD.

0920 PM     FLOOD            4 WSW LYNCHBURG CITY    37.39N 79.21W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            MCCONVILLE RD, FLOODED, NOT PASSABLE.

0900 PM     FLOOD            3 N LYNCHBURG AIRPORT   37.37N 79.20W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            6100 BLOCK OF FORT AVENUE FLOODED.

1000 PM     FLASH FLOOD      3 SW LYNCHBURG CITY     37.39N 79.19W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            TRIBUTARY OF BLACKWATER CREEK FLOODED WHERE
            GREENWOOD DRIVE BECOMES SANDUSKY DRIVE.

&&

Local storm report, Aug 2, 12:44 PM EDT, 1 hour 48 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BLACKSBURG VA
1244 PM EDT FRI AUG 2 2019

THIS IS A SUMMARY OF STORM REPORTS FROM AUGUST 1ST, 2019.

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

1000 PM     FLASH FLOOD      3 SW LYNCHBURG CITY     37.39N 79.19W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            TRIBUTARY OF BLACKWATER CREEK FLOODED WHERE
            GREENWOOD DRIVE BECOMES SANDUSKY DRIVE.

0740 PM     FLASH FLOOD      3 ENE FOREST            37.38N 79.23W
08/01/2019                   CITY OF LYNCHBURG  VA   TRAINED SPOTTER

            TRIBUTARY TO TOMAHAWK CREEK FLOODED ITS
            BANKS. EROSION OF THE BANK, BUT DID NOT
            AFFECT ANY HOMES. OCCURRED FROM 740PM TO
            10PM.

0920 PM     FLOOD            4 WSW LYNCHBURG CITY    37.39N 79.21W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            MCCONVILLE RD, FLOODED, NOT PASSABLE.

0900 PM     FLOOD            3 N LYNCHBURG AIRPORT   37.37N 79.20W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            6100 BLOCK OF FORT AVENUE FLOODED.

0900 PM     FLOOD            4 NE FOREST             37.40N 79.22W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            VEHICLE STUCK IN FLOOD WATERS AT 3900 BLOCK
            OF OLD FOREST ROAD.

0850 PM     FLOOD            2 SSW LYNCHBURG CITY    37.39N 79.17W
08/01/2019                   CITY OF LYNCHBURG  VA   EMERGENCY MNGR

            VEHICLE STUCK IN WATER AT 1200 WYTHE ROAD.

0840 AM     HAIL             2 NNE CAVE SPRING       37.25N 79.99W
08/02/2019  M2.00 INCH       CITY OF ROANOKE    VA   PUBLIC

            PHOTOS OF 2 INCH DIAMETER HAILSTONES RELAYED
            FROM THE GRANDIN COURT SECTION OF ROANOKE
            CITY.

0330 PM     HAIL             2 NNE CAVE SPRING       37.25N 79.99W
08/01/2019   NAN INCH        CITY OF ROANOKE    VA   PUBLIC

            CORRECTION FOR PREVIOUS REPORT. PHOTOS OF 2
            INCH DIAMETER HAILSTONES RELAYED FROM THE
            GRANDIN COURT SECTION OF ROANOKE CITY.

0225 PM     HAIL             3 NNW GLADE VALLEY      36.52N 81.06W
08/01/2019  E0.88 INCH       ALLEGHANY          NC   PUBLIC

            PEA TO NICKEL SIZE HAIL NEARLY COVERING THE
            GROUND. TIME FROM RADAR.

0719 PM     TSTM WND DMG     4 NW LEXINGTON          37.84N 79.49W
08/01/2019                   ROCKBRIDGE         VA   PUBLIC

            ONE LARGE LIMB BLOWN DOWN ALONG U.S. 60.

0708 PM     TSTM WND DMG     4 WSW ROCKBRIDGE BATHS  37.88N 79.48W
08/01/2019                   ROCKBRIDGE         VA   PUBLIC

            ONE LARGE LIMB DOWN.

0435 PM     TSTM WND DMG     4 ENE DRAPER            37.02N 80.71W
08/01/2019                   PULASKI            VA   PUBLIC

            TREE DOWN ON LIZZIE GUNN RD. TIME ESTIMATED
            BY RADAR.

0841 PM     TSTM WND DMG     2 SW LYNCHBURG CITY     37.40N 79.18W
08/01/2019                   CITY OF LYNCHBURG  VA   PUBLIC

            TREE AND POWER LINES BLOCKING COLLEGE AVE IN
            LYNCHBURG. TIME ESTIMATED BY RADAR.

0825 PM     TSTM WND DMG     3 W LYNCHBURG CITY      37.42N 79.21W
08/01/2019                   CITY OF LYNCHBURG  VA   PUBLIC

            TREES DOWN AROUND LINK RD.

0736 PM     TSTM WND DMG     1 SE LEXINGTON          37.78N 79.44W
08/01/2019                   CITY OF LEXINGTON  VA   PUBLIC

            MULTIPLE LARGE BRANCHES DOWN IN THE 300
            BLOCK OF SUMMIT STREET.

0920 PM     TSTM WND DMG     3 SSW TIMBERLAKE        37.29N 79.27W
08/01/2019                   CAMPBELL           VA   PUBLIC

            TREE DOWN ON TOWN FORK RD. TIME ESTIMATED BY
            RADAR.

0919 PM     TSTM WND DMG     2 SSW TIMBERLAKE        37.29N 79.27W
08/01/2019                   CAMPBELL           VA   PUBLIC

            SEVERAL TOPS OF TREES SNAPPED OFF. TIME
            ESTIMATED BY RADAR.

0800 PM     TSTM WND DMG     3 W FALCONERVILLE       37.53N 79.15W
08/01/2019                   AMHERST            VA   EMERGENCY MNGR

            EMERGENCY MANAGER REPORTED A BARN DESTROYED
            AND CAR FLIPPED IN THE CEDAR GATE RD AND
            HIGH PEAK RD AREA OF AMHERST COUNTY. TIME IS
            ESTIMATED BY RADAR.

0759 PM     TSTM WND DMG     3 W FALCONERVILLE       37.54N 79.15W
08/01/2019                   AMHERST            VA   PUBLIC

            TREES DOWN ALONG HIGH PEAK RD. TIME
            ESTIMATED BY RADAR.

0756 PM     TSTM WND DMG     3 SW FALCONERVILLE      37.51N 79.14W
08/01/2019                   AMHERST            VA   PUBLIC

            TREES DOWN ALONG CEDAR GATE RD. TIME
            ESTIMATED BY RADAR.

0225 PM     TSTM WND DMG     2 E SPARTA              36.50N 81.09W
08/01/2019                   ALLEGHANY          NC   PUBLIC

            A FEW TREES DOWN IN ALLEGHANY MANOR NEAR THE
            RIVER. TIME FROM RADAR.

&&

Special weather statement, Aug 2, 12:47 PM EDT, 1 hour 45 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
1247 PM EDT Fri Aug 2 2019

NCZ001-002-018-VAZ009-015-021715-
Ashe-Watauga-Alleghany-Grayson-Smyth-
1247 PM EDT Fri Aug 2 2019

...CLUSTERS OF STRONG THUNDERSTORMS WILL AFFECT ASHE, WATAUGA,
ALLEGHANY, GRAYSON, AND SMYTH COUNTIES
...

Until 115 PM EDT.

At 1244 PM EDT, a cluster of strong thunderstorm were located along
a line from Beech Mountain to Mount Rogers Summit, moving northeast
at 5 mph.

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

Locations impacted include...
Boone...
Jefferson...
West Jefferson...
Blowing Rock...
and Beech Mountain.

This includes The following Location Appalachian State University.

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

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 3634 8185 3636 8180 3634 8177 3634 8171
      3641 8174 3647 8170 3653 8171 3659 8168
      3662 8161 3664 8161 3664 8162 3668 8164
      3672 8159 3677 8105 3612 8165 3611 8181
      3616 8183 3621 8191 3626 8189 3629 8192
TIME...MOT...LOC 1644Z 228DEG 7KT 3635 8168

BMG

Special weather statement, Aug 2, 1:13 PM EDT, 1 hour 19 minutes before

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Special weather statement, Aug 2, 1:56 PM EDT, 36 minutes before

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Special weather statement, Aug 2, 2:32 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
Aug 1, 8:25 PM EDT	Areal Flood Advisory	RNK	City of Lynchburg	43 min
Aug 1, 8:25 PM EDT	Areal Flood Advisory	RNK	Smyth	3 hr
Aug 1, 8:45 PM EDT	Special Weather Statement	RNK	City of Lynchburg	30 min
Aug 1, 9:02 PM EDT	Flash Flood Warning	RNK	Amherst, Bedford, City of Lynchburg	4 hr
Aug 1, 9:14 PM EDT	Severe Thunderstorm Warning	RNK	Campbell	61 min
Aug 1, 10:45 PM EDT	Special Weather Statement	RNK	Charlotte	60 min
Aug 1, 11:06 PM EDT	Areal Flood Advisory	RNK	Appomattox, Campbell, Charlotte	4 hr
Aug 1, 11:37 PM EDT	Special Weather Statement	RNK	Halifax	53 min
Aug 2, 12:38 AM EDT	Special Weather Statement	RNK	Halifax	22 min
Aug 2, 1:17 AM EDT	Areal Flood Warning	RNK	Amherst, Bedford, City of Lynchburg	118 min
Aug 2, 12:47 PM EDT	Special Weather Statement	RNK	Grayson	28 min
Aug 2, 1:29 PM EDT	Areal Flood Advisory	RNK	Grayson, Smyth	3 hr
Aug 2, 1:56 PM EDT	Special Weather Statement	RNK	Smyth, Wythe	34 min
Aug 2, 4:36 PM EDT	Special Weather Statement	RNK	Charlotte	39 min
Aug 2, 1:13 PM EDT	Special Weather Statement	RNK	Ashe	47 min
Aug 2, 3:36 PM EDT	Special Weather Statement	RNK	Alleghany	54 min
Aug 2, 3:49 PM EDT	Special Weather Statement	RNK	Watauga	41 min

Nearby

Special Weather Statements in Virginia, 2019 Special Weather Statements in North Carolina, 2019 Every special weather statement 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.