Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

May 24, 2021Franklin County, Virginia

NWS Blacksburg, VA issued this special weather statement at May 24, 2021, 10:10 PM EDT for Franklin County, Virginia. It was in force for 35 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: May 24, 2021, 10:10 PM EDT (02:10 UTC)
Expired: May 24, 2021, 10:45 PM EDT
In force: 35 min
Issued by: NWS Blacksburg, VA

County Franklin County, VA

The radar

The Roanoke radar (KFCX), 16 km from the middle of the area, began a volume at 02:12 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 00:00Z, 2.2 hours before the alert went out and 59 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: 158 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1368 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 May 24, 9:44 PM EDT, 26 minutes earlier.

Area forecast discussion, May 24, 9:44 PM EDT, 26 minutes before

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Hazardous weather outlook, May 24, 10:08 PM EDT, 2 minutes before

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In the hours before

Special weather statement, May 24, 5:37 PM EDT, 4 hours 33 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
537 PM EDT Mon May 24 2021

VAZ024-035-242215-
Amherst-Rockbridge-
537 PM EDT Mon May 24 2021

...A LINE OF SHOWERS WITH HEAVY RAINFALL AND POSSIBLY AN EMBEDDED
THUNDERSTORM, WILL AFFECT ROCKBRIDGE AND WESTERN AMHERST COUNTIES
INCLUDING THE CITY OF BUENA VISTA AND THE CITY OF LEXINGTON THROUGH
615 PM EDT...

At 533 PM EDT, radar indicated showers were located along a line
extending from near Afton to Stuarts Draft to near Lexington.
Movement was southeast at 20 mph.

Winds in excess of 30 mph are possible with these showers along
with heavy rainfall.

This activity will move across Interstate 81 between mile markers
205 and 180 during the next 30 minutes resulting in ponding of
water, severely reduced visibility, and possibly gusty winds.
Motorists traveling through this region should remain alert of
changing weather conditions reduce speed and if necessary exit the
interstate to a safer location until the weather has moved by.

Locations impacted include...
Lexington...
Buena Vista...
Glasgow...
Forks Of Buffalo...
Clifford...
Collierstown...
and Rockbridge Baths.

LAT...LON 3788 7915 3781 7917 3781 7914 3778 7911
      3778 7908 3772 7907 3770 7899 3765 7896
      3756 7937 3760 7939 3761 7941 3760 7943
      3762 7944 3760 7946 3757 7943 3753 7950
      3763 7963 3776 7967 3786 7961 3794 7923
TIME...MOT...LOC 2133Z 333DEG 18KT 3797 7879 3781 7958

RAB

Special weather statement, May 24, 6:29 PM EDT, 3 hours 41 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
629 PM EDT Mon May 24 2021

VAZ024-034-035-242315-
Amherst-Bedford-Rockbridge-
629 PM EDT Mon May 24 2021

...A STRONG THUNDERSTORM WILL AFFECT
SOUTH CENTRAL ROCKBRIDGE...NORTH CENTRAL BEDFORD AND NORTHWESTERN
AMHERST COUNTIES...INCLUDING THE CITY OF BUENA VISTA AND THE CITY OF
LEXINGTON THROUGH 715 PM EDT...

At 629 PM EDT, a strong thunderstorm was located over Lexington,
moving south at 15 mph.

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

Locations impacted include...
Lexington...
Buena Vista...
Glasgow...
Big Island...
Pleasant View...
Snowden...
and Sedalia.

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.

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 3779 7956 3786 7936 3759 7913 3747 7947
TIME...MOT...LOC 2229Z 339DEG 13KT 3776 7943

RAB

Special weather statement, May 24, 7:43 PM EDT, 2 hours 27 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
743 PM EDT Mon May 24 2021

VAZ034-035-045-250015-
Amherst-Campbell-Bedford-
743 PM EDT Mon May 24 2021

...A STRONG THUNDERSTORM WILL AFFECT
NORTHEASTERN BEDFORD...AND SOUTHWESTERN AMHERST COUNTIES AND THE CITY
OF LYNCHBURG...

At 743 PM EDT, a strong thunderstorm was located over Naola, or near
Big Island, moving southeast at 15 mph.

Locations impacted include...
Lynchburg...
Forest...
Big Island...
Coleman Falls...
Madison Heights...
Boonsboro...
and Falconerville.

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

LAT...LON 3744 7901 3743 7902 3729 7930 3754 7938
      3764 7921 3746 7898
TIME...MOT...LOC 2343Z 326DEG 11KT 3753 7930

RAB

Special weather statement, May 24, 8:41 PM EDT, 1 hour 29 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
841 PM EDT Mon May 24 2021

VAZ035-045-250130-
Amherst-Campbell-
841 PM EDT Mon May 24 2021

...THUNDERSTORM WITH HEAVY RAINFALL PERSISTS OVER THE LYNCHBURG
AREA...

At 838 PM EDT, a strong thunderstorm persisted was located over
Lynchburg, moving southeast at 15 mph.

Locations impacted include...
Lynchburg...
Rustburg...
Concord...
Timberlake...
Madison Heights...
and Bocock.

Very heavy rain and occasional cloud-to-ground lightning is
occurring with this storm. Localized flooding is possible. Do not
drive your vehicle through flooded roadways.  Rainfall of 1 to 1.5
inches is possible across the city of Lynchburg through 930 PM EDT.

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 3723 7926 3732 7927 3735 7926 3739 7923
      3740 7925 3742 7924 3747 7920 3747 7918
      3748 7919 3753 7914 3745 7904 3729 7895
TIME...MOT...LOC 0038Z 326DEG 11KT 3738 7918

RAB

Special weather statement, May 24, 9:27 PM EDT, 43 minutes before

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Special weather statement, May 24, 10:10 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
May 24, 8:41 PM EDT	Special Weather Statement	RNK	City of Lynchburg	49 min
May 24, 9:27 PM EDT	Special Weather Statement	RNK	Floyd	33 min
May 25, 12:43 PM EDT	Special Weather Statement	RNK	Wythe	47 min
May 25, 1:33 PM EDT	Special Weather Statement	RNK	Pulaski	42 min
May 25, 1:42 PM EDT	Special Weather Statement	RNK	Grayson	48 min
May 25, 2:03 PM EDT	Special Weather Statement	RNK	Giles	42 min
May 25, 2:28 PM EDT	Special Weather Statement	RNK	Montgomery, City of Radford	47 min
May 25, 2:34 PM EDT	Special Weather Statement	RNK	City of Galax	41 min
May 25, 2:44 PM EDT	Special Weather Statement	RNK	Craig	46 min
May 25, 3:05 PM EDT	Special Weather Statement	RNK	Montgomery, Roanoke	25 min
May 25, 3:17 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	43 min
May 25, 3:45 PM EDT	Special Weather Statement	RNK	Craig	45 min
May 25, 4:18 PM EDT	Special Weather Statement	RNK	Bath	42 min
May 25, 4:34 PM EDT	Severe Thunderstorm Warning	RNK	Bath	41 min
May 25, 4:41 PM EDT	Special Weather Statement	RNK	City of Galax	49 min
May 25, 4:56 PM EDT	Areal Flood Advisory	RNK	Carroll, Grayson, City of Galax	109 min
May 25, 6:38 PM EDT	Special Weather Statement	RNK	Patrick	37 min
May 25, 7:57 PM EDT	Special Weather Statement	RNK	Patrick	48 min
May 25, 5:48 PM EDT	Special Weather Statement	RNK	Wilkes	57 min
May 25, 6:47 PM EDT	Special Weather Statement	RNK	Wilkes	28 min
May 25, 7:31 PM EDT	Special Weather Statement	RNK	Surry	29 min
May 25, 3:08 PM EDT	Special Weather Statement	RNK	Monroe	37 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.