Alert archive / Virginia / Special Weather Statements in 2019

Special Weather Statement, NWS Blacksburg, VA

July 30, 2019Bland County, Tazewell County, Virginia; Mercer County, West Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 30, 2019, 1:08 PM EDT for Bland County, Tazewell County, Virginia; Mercer County, West Virginia. It was in force for 52 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 30, 2019, 1:08 PM EDT (17:08 UTC)
Expired: Jul 30, 2019, 2:00 PM EDT
In force: 52 min
Issued by: NWS Blacksburg, VA

Counties Bland County, VA, Tazewell County, VA, Mercer County, WV

The radar

The Roanoke radar (KFCX), 97 km from the middle of the area, began a volume at 17:08 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, 5.1 hours before the alert went out and 161 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: 124 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 1286 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

607 
WWUS81 KRNK 301708
SPSRNK

Special Weather Statement
National Weather Service BLACKSBURG VA
108 PM EDT Tue Jul 30 2019

VAZ007-010-011-WVZ042-301800-
Tazewell-Giles-Bland-Mercer-
108 PM EDT Tue Jul 30 2019

...STRONG THUNDERSTORMS WILL AFFECT MERCER...EASTERN 
TAZEWELL...BLAND...AND WESTERN GILES COUNTY THROUGH 200 PM EDT... 

At 1259 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Coaldale to near Tiptop to near
Asberrys. Movement was east at 20 mph.

Locations impacted include...
Bluefield...
Bland...
Princeton...
Tazewell...
and Pearisburg.

This includes The following Location Mercer County Airport.
 
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 3721 8160 3721 8156 3726 8150 3727 8142
      3742 8131 3742 8128 3746 8131 3750 8126
      3751 8098 3735 8074 3720 8080 3700 8135
      3702 8173
TIME...MOT...LOC 1659Z 261DEG 19KT 3739 8135 3718 8141 3704 8161 

$$

RAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 11:57 AM EDT	Special Weather Statement	RNK	Tazewell	63 min
Jul 30, 12:12 PM EDT	Special Weather Statement	RNK	Grayson	63 min
Jul 30, 2:48 PM EDT	Areal Flood Advisory	RNK	Tazewell	3 hr
Jul 30, 3:59 PM EDT	Severe Thunderstorm Warning	RNK	Pulaski, Wythe	47 min
Jul 30, 4:18 PM EDT	Special Weather Statement	RNK	Botetourt	27 min
Jul 30, 4:57 PM EDT	Special Weather Statement	RNK	Smyth	33 min
Jul 30, 5:20 PM EDT	Flash Flood Warning	RNK	Smyth	3 hr
Jul 30, 12:56 PM EDT	Special Weather Statement	RNK	Alleghany, Ashe, Watauga, Wilkes	64 min
Jul 30, 4:20 PM EDT	Special Weather Statement	RNK	Ashe	25 min
Jul 30, 7:33 PM EDT	Special Weather Statement	RNK	Surry	27 min
Jul 30, 11:55 AM EDT	Special Weather Statement	RNK	Greenbrier	65 min
Jul 30, 1:09 PM EDT	Special Weather Statement	RNK	Greenbrier	66 min
Jul 30, 2:38 PM EDT	Special Weather Statement	RNK	Summers	22 min
Jul 30, 2:56 PM EDT	Special Weather Statement	RNK	Summers	64 min

Nearby

Special Weather Statements in Virginia, 2019 Special Weather Statements in West Virginia, 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.