Alert archive / Virginia / Special Weather Statements in 2019

Special Weather Statement, NWS Blacksburg, VA

August 5, 2019Bath County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 5, 2019, 6:59 PM EDT for Bath County, Virginia. It was in force for 46 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 5, 2019, 6:59 PM EDT (22:59 UTC)
Expired
Aug 5, 2019, 7:45 PM EDT
In force
46 min
Issued by
NWS Blacksburg, VA

County Bath County, VA

The radar

The Roanoke radar (KFCX), 124 km from the middle of the area, began a volume at 23:02 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, 11.0 hours before the alert went out and 219 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, Greensboro/Hi Pt, NC at 12:00Z on 2019-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 161 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, Greensboro/Hi Pt, NC at 12:00Z on 2019-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
161 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1199 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
-1 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 5, 4:07 PM EDT, 2 hours 52 minutes earlier.

Area forecast discussion, Aug 5, 4:07 PM EDT, 2 hours 52 minutes before
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Hazardous weather outlook, Aug 5, 5:46 AM EDT, 13 hours 13 minutes before
Hazardous Weather Outlook
National Weather Service Blacksburg VA
546 AM EDT Mon Aug 5 2019

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-061100-
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-
546 AM EDT Mon Aug 5 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.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Thunderstorms are expected Wednesday afternoon and evening. A few
storms could become strong to locally severe producing damaging wind
gusts and hail. Locally heavy rain will also accompany the stronger
storms. Otherwise, the probability for widespread hazardous weather
is low during this period.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

RAB

In the hours before

Special weather statement, Aug 5, 3:09 PM EDT, 3 hours 50 minutes before
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Special weather statement, Aug 5, 4:17 PM EDT, 2 hours 42 minutes before
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Local storm report, Aug 5, 5:52 PM EDT, 1 hour 7 minutes before
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Special weather statement, Aug 5, 5:53 PM EDT, 1 hour 6 minutes before
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Special weather statement, Aug 5, 6:10 PM EDT, 49 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
610 PM EDT Mon Aug 5 2019

VAZ023-034-052245-
Botetourt-Bedford-
610 PM EDT Mon Aug 5 2019

...A STRONG THUNDERSTORM WILL AFFECT EASTERN BOTETOURT AND NORTHERN
BEDFORD COUNTIES OF VIRGINIA...

Until 645 PM EDT.

At 609 PM EDT, a strong thunderstorm was located near Arcadia, moving
southeast at 15 mph.

Pea size hail is possible with this storm.

Locations impacted include...
Buchanan...
Peaks Of Otter Recreation Area...
Sedalia...
Arcadia...
and Peaks Of Otter Summit.

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

LAT...LON 3757 7956 3753 7950 3754 7949 3744 7933
      3735 7955 3753 7968 3759 7958
TIME...MOT...LOC 2209Z 316DEG 14KT 3753 7959

PW
Special weather statement, Aug 5, 6:59 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
659 PM EDT Mon Aug 5 2019

VAZ020-052345-
Bath-
659 PM EDT Mon Aug 5 2019

...A STRONG THUNDERSTORM WILL AFFECT BATH COUNTY IN VIRGINIA...

Until 745 PM EDT.

At 658 PM EDT, a strong thunderstorm was located near Warm Springs.
The storm is nearly stationary.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Warm Springs...
Yost...
and Nimrod Hall.

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

LAT...LON 3806 7986 3816 7972 3805 7952 3791 7969
TIME...MOT...LOC 2258Z 316DEG 4KT 3805 7971

PW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 3:09 PM EDTSpecial Weather StatementRNKCraig36 min
Aug 5, 4:17 PM EDTSpecial Weather StatementRNKCity of Roanoke43 min
Aug 5, 5:53 PM EDTSpecial Weather StatementRNKPatrick52 min
Aug 5, 6:10 PM EDTSpecial Weather StatementRNKBedford35 min
Aug 5, 7:59 PM EDTSpecial Weather StatementRNKCharlotte31 min
Aug 5, 2:05 PM EDTSpecial Weather StatementRNKAshe40 min
Aug 5, 2:33 PM EDTSpecial Weather StatementRNKAlleghany42 min

Nearby

Special Weather Statements in Virginia, 2019Every 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.