Alert archive / Virginia / Special Weather Statements in 2013

Special Weather Statement, NWS Blacksburg, VA

July 10, 2013Charlotte County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 10, 2013, 8:12 PM EDT for Charlotte County, Virginia. It was in force for 18 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 10, 2013, 8:12 PM EDT (00:12 UTC)
Expired
Jul 10, 2013, 8:30 PM EDT
In force
18 min
Issued by
NWS Blacksburg, VA

County Charlotte County, VA

The radar

The Norfolk radar (KAKQ), 133 km from the middle of the area, began a volume at 00:14 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, 0.2 hours before the alert went out and 90 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 00:00Z on 2013-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 335 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, Roanoke, VA at 00:00Z on 2013-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.1939Sfc1 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
335 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

918 
WWUS81 KRNK 110012
SPSRNK

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
812 PM EDT WED JUL 10 2013
 
VAZ059-110030-
CHARLOTTE VA-
812 PM EDT WED JUL 10 2013

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  NORTHEASTERN CHARLOTTE COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 830 PM EDT

* AT 808 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM ABILENE TO DRAKES
  BRANCH...MOVING TO THE NORTHEAST AT 20 MPH.

* PEA SIZE HAIL AND WIND GUSTS UP TO 30 MPH ARE EXPECTED WITH THESE
  STORMS. VERY HEAVY RAIN IS FALLING...AND WILL CAUSE WATER TO POND
  ON ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
  EXPECT FREQUENT CLOUD TO GROUND LIGHTNING WITH THIS LINE OF STORMS.

* LOCATIONS IMPACTED INCLUDE...
  KEYSVILLE...
  AND ABILENE. 

LAT...LON 3695 7848 3693 7859 3714 7857 3715 7854
      3712 7851 3709 7848 3709 7846 3708 7845
      3706 7845
TIME...MOT...LOC 0008Z 243DEG 19KT 3712 7853 3696 7854 

$$

DS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 8:01 PM EDTSpecial Weather StatementRNKPittsylvania29 min
Jul 10, 8:32 PM EDTSpecial Weather StatementRNKPittsylvania28 min
Jul 10, 9:02 PM EDTSpecial Weather StatementRNKHalifax28 min
Jul 10, 9:27 PM EDTSpecial Weather StatementRNKCharlotte, Halifax48 min
Jul 10, 9:29 PM EDTSpecial Weather StatementRNKCity of Danville46 min
Jul 10, 10:02 PM EDTSpecial Weather StatementRNKHalifax28 min
Jul 10, 10:04 PM EDTSpecial Weather StatementRNKCharlotte26 min
Jul 10, 10:23 PM EDTSpecial Weather StatementRNKHalifax52 min
Jul 10, 10:32 PM EDTSpecial Weather StatementRNKHalifax58 min
Jul 10, 10:52 PM EDTSpecial Weather StatementRNKCharlotte23 min
Jul 10, 11:54 PM EDTAreal Flood AdvisoryRNKPulaski3 hr
Jul 11, 4:48 AM EDTFlash Flood WatchRNKAlleghany, Amherst, Appomattox, Bedford, Botetourt, Buckingham and 27 more44 hr
Jul 11, 10:00 AM EDTSpecial Weather StatementRNKHalifax60 min
Jul 11, 3:11 PM EDTAreal Flood AdvisoryRNKCarroll, Grayson, City of Galax3 hr
Jul 11, 3:26 PM EDTAreal Flood AdvisoryRNKAppomattox3 hr
Jul 11, 3:28 PM EDTAreal Flood AdvisoryRNKPittsylvania3 hr
Jul 11, 3:28 PM EDTSpecial Weather StatementRNKPittsylvania32 min
Jul 11, 3:31 PM EDTAreal Flood AdvisoryRNKBuckingham3 hr
Jul 11, 3:40 PM EDTSpecial Weather StatementRNKPatrick35 min
Jul 11, 4:00 PM EDTAreal Flood AdvisoryRNKPatrick3 hr
Jul 11, 4:10 PM EDTSpecial Weather StatementRNKAppomattox, Buckingham35 min
Jul 11, 4:53 PM EDTAreal Flood AdvisoryRNKAppomattox, Campbell3 hr
Jul 11, 4:57 PM EDTSpecial Weather StatementRNKHenry33 min
Jul 11, 5:16 PM EDTSpecial Weather StatementRNKAmherst29 min
Jul 11, 5:33 PM EDTFlash Flood WarningRNKAppomattox, Campbell, City of Lynchburg3 hr
Jul 11, 5:50 PM EDTAreal Flood AdvisoryRNKRockbridge3 hr
Jul 11, 6:24 PM EDTSpecial Weather StatementRNKCity of Buena Vista36 min
Jul 11, 6:39 PM EDTAreal Flood AdvisoryRNKAmherst, Rockbridge3 hr
Jul 11, 7:26 PM EDTFlash Flood WarningRNKAmherst, Rockbridge4 hr
Jul 11, 7:39 PM EDTSpecial Weather StatementRNKPittsylvania36 min
Jul 11, 7:47 PM EDTAreal Flood AdvisoryRNKHalifax, Pittsylvania17 hr
Jul 10, 9:01 PM EDTSpecial Weather StatementRNKCaswell29 min
Jul 10, 9:08 PM EDTSpecial Weather StatementRNKCaswell22 min
Jul 10, 10:37 PM EDTAreal Flood AdvisoryRNKCaswell3 hr
Jul 11, 4:24 PM EDTSpecial Weather StatementRNKStokes36 min
Jul 11, 4:33 PM EDTSpecial Weather StatementRNKSurry27 min
Jul 11, 5:11 PM EDTSpecial Weather StatementRNKSurry34 min
Jul 11, 5:12 PM EDTSpecial Weather StatementRNKStokes33 min
Jul 11, 5:34 PM EDTSpecial Weather StatementRNKRockingham26 min
Jul 11, 5:55 PM EDTSpecial Weather StatementRNKYadkin35 min
Jul 11, 6:15 PM EDTSpecial Weather StatementRNKYadkin30 min
Jul 11, 6:21 PM EDTSpecial Weather StatementRNKRockingham24 min
Jul 11, 6:32 PM EDTSpecial Weather StatementRNKYadkin28 min
Jul 11, 6:47 PM EDTSpecial Weather StatementRNKYadkin28 min
Jul 11, 7:13 PM EDTSpecial Weather StatementRNKYadkin32 min
Jul 10, 9:20 PM EDTSpecial Weather StatementRNKGreenbrier25 min
Jul 10, 9:21 PM EDTSpecial Weather StatementRNKSummers24 min
Jul 10, 9:46 PM EDTSpecial Weather StatementRNKSummers44 min
Jul 10, 10:36 PM EDTSpecial Weather StatementRNKGreenbrier54 min

Nearby

Special Weather Statements in Virginia, 2013Every special weather statement in 2013

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.