Alert archive / Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

July 14, 2016Appomattox County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 14, 2016, 2:39 PM EDT for Appomattox County, Virginia. It was in force for 36 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 14, 2016, 2:39 PM EDT (18:39 UTC)
Expired
Jul 14, 2016, 3:15 PM EDT
In force
36 min
Issued by
NWS Blacksburg, VA

County Appomattox County, VA

The radar

The Roanoke radar (KFCX), 126 km from the middle of the area, began a volume at 18:43 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, 6.7 hours before the alert went out and 57 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 12:00Z on 2016-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 448 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 12:00Z on 2016-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
448 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1009 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
17 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 Jul 14, 12:11 PM EDT, 2 hours 28 minutes earlier.

Area forecast discussion, Jul 14, 12:11 PM EDT, 2 hours 28 minutes before
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Hazardous weather outlook, Jul 14, 3:57 AM EDT, 10 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
357 AM EDT THU JUL 14 2016

NCZ001>004-018>020-VAZ007-009>020-022>024-032>035-043-WVZ042>044-507-
508-150800-
ASHE-ALLEGHANY NC-SURRY-STOKES-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-MERCER-SUMMERS-MONROE-EASTERN GREENBRIER-
WESTERN GREENBRIER-
357 AM EDT THU JUL 14 2016

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.

A FEW THUNDERSTORMS THIS AFTERNOON COULD BECOME STRONG TO SEVERE.
THE MAIN THREAT WILL BE DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

SHOWERS AND THUNDERSTORMS CONTAINING HEAVY RAINFALL WILL BE
POSSIBLE FRIDAY AND SATURDAY. A FEW OF THE STORMS BOTH DAYS COULD
CONTAIN LOCALLY DAMAGING WINDS.

LOCALIZED FLOODING MAY ALSO OCCUR IF STORMS MOVE OVER THE SAME
AREA FRIDAY AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ005-006-VAZ044>047-058-059-150800-
ROCKINGHAM-CASWELL-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
357 AM EDT THU JUL 14 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...CENTRAL VIRGINIA AND SOUTH CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

A FEW STORMS THIS AFTERNOON AND EVENING COULD BECOME SEVERE WITH
ISOLATED WIND DAMAGE THE MAIN THREAT.

IN ADDITION...THE HEAT INDEX WILL REACH 100 TO 103 DEGREES FOR AN
HOUR OR TWO THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THUNDERSTORMS ARE EXPECTED FRIDAY AND SATURDAY...AND A FEW COULD
BRING DAMAGING WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 14, 2:12 PM EDT, 27 minutes before
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Special weather statement, Jul 14, 2:14 PM EDT, 25 minutes before
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Special weather statement, Jul 14, 2:19 PM EDT, 20 minutes before
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Special weather statement, Jul 14, 2:19 PM EDT, 20 minutes before
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Special weather statement, Jul 14, 2:34 PM EDT, 5 minutes before
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Special weather statement, Jul 14, 2:39 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE UNLOCALIZED SITE
239 PM EDT THU JUL 14 2016

VAZ035-046-141915-
APPOMATTOX-AMHERST-
239 PM EDT THU JUL 14 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN APPOMATTOX AND
SOUTHEASTERN AMHERST COUNTIES...

AT 238 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR
FALCONERVILLE...OR NEAR AMHERST...MOVING SOUTHEAST AT 10 MPH.

WINDS IN EXCESS OF 30 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
AMHERST...OAKVILLE...RIVERVILLE AND STONEWALL.

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 3747 7905 3755 7910 3761 7894 3753 7890
      3746 7888 3741 7884 3741 7900
TIME...MOT...LOC 1838Z 294DEG 8KT 3752 7903

JJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 11:55 AM EDTSpecial Weather StatementRNKBath65 min
Jul 14, 12:19 PM EDTSpecial Weather StatementRNKSmyth41 min
Jul 14, 12:24 PM EDTSpecial Weather StatementRNKCity of Radford21 min
Jul 14, 12:40 PM EDTSpecial Weather StatementRNKGiles35 min
Jul 14, 12:58 PM EDTSpecial Weather StatementRNKBath32 min
Jul 14, 1:08 PM EDTSpecial Weather StatementRNKSmyth52 min
Jul 14, 1:15 PM EDTSpecial Weather StatementRNKMontgomery, Roanoke, City of Salem45 min
Jul 14, 1:37 PM EDTSpecial Weather StatementRNKCity of Roanoke23 min
Jul 14, 1:45 PM EDTSpecial Weather StatementRNKAmherst30 min
Jul 14, 1:54 PM EDTSpecial Weather StatementRNKCity of Buena Vista36 min
Jul 14, 1:57 PM EDTSpecial Weather StatementRNKWythe33 min
Jul 14, 2:01 PM EDTSpecial Weather StatementRNKAlleghany29 min
Jul 14, 2:07 PM EDTSpecial Weather StatementRNKCity of Roanoke38 min
Jul 14, 2:12 PM EDTSpecial Weather StatementRNKMontgomery, City of Radford33 min
Jul 14, 2:19 PM EDTSpecial Weather StatementRNKBuckingham41 min
Jul 14, 2:45 PM EDTSpecial Weather StatementRNKBedford30 min
Jul 14, 2:50 PM EDTSpecial Weather StatementRNKMontgomery, City of Radford40 min
Jul 14, 2:58 PM EDTSpecial Weather StatementRNKCity of Buena Vista32 min
Jul 14, 3:13 PM EDTSevere Thunderstorm WarningRNKFranklin, Pittsylvania47 min
Jul 14, 3:16 PM EDTSevere Thunderstorm WarningRNKBedford, Campbell, Pittsylvania44 min
Jul 14, 3:23 PM EDTSevere Thunderstorm WarningRNKCarroll, Patrick44 min
Jul 14, 3:30 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Patrick45 min
Jul 14, 3:46 PM EDTSevere Thunderstorm WarningRNKAppomattox, Campbell41 min
Jul 14, 3:52 PM EDTSevere Thunderstorm WarningRNKHenry, Pittsylvania, City of Martinsville34 min
Jul 14, 4:08 PM EDTSpecial Weather StatementRNKCharlotte67 min
Jul 14, 4:11 PM EDTSpecial Weather StatementRNKHenry, Patrick49 min
Jul 14, 4:25 PM EDTSpecial Weather StatementRNKPittsylvania35 min
Jul 14, 4:29 PM EDTSpecial Weather StatementRNKHenry46 min
Jul 14, 5:04 PM EDTSpecial Weather StatementRNKCity of Danville26 min
Jul 14, 6:21 PM EDTSpecial Weather StatementRNKBath39 min
Jul 14, 1:35 PM EDTSpecial Weather StatementRNKWilkes40 min
Jul 14, 2:14 PM EDTSpecial Weather StatementRNKWilkes31 min
Jul 14, 2:34 PM EDTSpecial Weather StatementRNKYadkin41 min
Jul 14, 2:54 PM EDTSpecial Weather StatementRNKSurry51 min
Jul 14, 11:36 AM EDTSpecial Weather StatementRNKMercer54 min
Jul 14, 12:53 PM EDTSpecial Weather StatementRNKMercer67 min
Jul 14, 5:08 PM EDTSpecial Weather StatementRNKGreenbrier22 min
Jul 14, 5:48 PM EDTSpecial Weather StatementRNKGreenbrier42 min
Jul 14, 7:14 PM EDTAreal Flood AdvisoryRNKGreenbrier106 min

Nearby

Special Weather Statements in Virginia, 2016Every special weather statement in 2016

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.