Alert archive / North Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

June 1, 2016Alleghany County, Watauga County, Wilkes County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Jun 1, 2016, 2:50 PM EDT for Alleghany County, Watauga County, Wilkes County, North Carolina. It was in force for 55 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: Jun 1, 2016, 2:50 PM EDT (18:50 UTC)
Expired: Jun 1, 2016, 3:45 PM EDT
In force: 55 min
Issued by: NWS Blacksburg, VA

Counties Alleghany County, NC, Watauga County, NC, Wilkes County, NC

The radar

The Roanoke radar (KFCX), 128 km from the middle of the area, began a volume at 18:50 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, 6.8 hours before the alert went out and 137 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: 272 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 882 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: -26 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 Jun 1, 12:33 PM EDT, 2 hours 17 minutes earlier.

Area forecast discussion, Jun 1, 12:33 PM EDT, 2 hours 17 minutes before

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Hazardous weather outlook, Jun 1, 4:08 AM EDT, 10 hours 42 minutes before

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In the hours before

Special weather statement, Jun 1, 1:00 PM EDT, 1 hour 50 minutes before

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Special weather statement, Jun 1, 1:47 PM EDT, 1 hour 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
147 PM EDT WED JUN 1 2016

NCZ001-002-018-019-VAZ015-011845-
WILKES-WATAUGA-ASHE-ALLEGHANY-GRAYSON-
147 PM EDT WED JUN 1 2016

...THUNDERSTORMS WITH VERY HEAVY RAINFALL WILL AFFECT WESTERN
WILKES...SOUTHEASTERN WATAUGA...WESTERN ALLEGHANY...ASHE AND CENTRAL
GRAYSON COUNTIES...

AT 144 PM EDT...THUNDERSTORMS WITH VERY HEAVY RAINFALL EXTENDED FROM
NEAR FLATRIDGE...THROUGH JEFFERSON...TO NEAR BLOWING ROCK...AND MOVING
SLOWLY TO THE EAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
BOONE...
SPARTA...
JEFFERSON...
WEST JEFFERSON...
AND BLOWING ROCK.

VERY HEAVY RAINFALL WILL CAUSE POOR VISIBILITY WHILE DRIVING AND
PONDING OF WATER ON ROADWAYS...ALONG WITH THE POSSIBILITY OF SOME
LOCALIZED FLOODING.

LAT...LON 3602 8135 3604 8138 3604 8140 3605 8139
      3607 8141 3608 8143 3607 8144 3609 8146
      3609 8147 3610 8148 3610 8151 3612 8155
      3612 8168 3643 8156 3674 8132 3673 8098
      3600 8133
TIME...MOT...LOC 1744Z 280DEG 8KT 3670 8129 3642 8148 3611 8163

MBS

Special weather statement, Jun 1, 2:50 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
250 PM EDT WED JUN 1 2016

NCZ001-002-018-019-011945-
WILKES-WATAUGA-ASHE-ALLEGHANY-
250 PM EDT WED JUN 1 2016

...A LINE OF THUNDERSTORMS PRODUCING HEAVY RAINFALL WILL AFFECT
CENTRAL WILKES...WATAUGA...ALLEGHANY AND SOUTHERN ASHE COUNTIES...

AT 248 PM EDT...A LINE OF THUNDERSTORMS PRODUCING HEAVY RAINFALL WAS
EXTENDING FROM INDEPENDENCE THROUGH GLENDALE SPRINGS TO SUGAR
GROVE...AND WAS MOVING SOUTHEAST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
BOONE...
NORTH WILKESBORO...
WILKESBORO...
SPARTA...
AND WEST JEFFERSON.

THIS INCLUDES APPALACHIAN STATE UNIVERSITY.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

LAT...LON 3628 8189 3641 8145 3657 8124 3656 8102
      3652 8092 3645 8098 3642 8096 3640 8097
      3636 8092 3614 8120 3607 8140 3612 8155
      3611 8181 3616 8183 3619 8187 3624 8190
TIME...MOT...LOC 1848Z 322DEG 10KT 3660 8114 3637 8140 3624 8179

JJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 1:47 PM EDT	Special Weather Statement	RNK	Grayson	58 min
Jun 1, 3:56 PM EDT	Special Weather Statement	RNK	Bland	34 min
Jun 1, 5:13 PM EDT	Special Weather Statement	RNK	Pulaski	32 min
Jun 1, 5:26 PM EDT	Areal Flood Advisory	RNK	Pulaski, Wythe	2 hr
Jun 1, 5:48 PM EDT	Special Weather Statement	RNK	Pulaski	57 min
Jun 1, 5:49 PM EDT	Special Weather Statement	RNK	Pulaski	56 min
Jun 1, 1:00 PM EDT	Special Weather Statement	RNK	Watauga	45 min
Jun 1, 2:40 PM EDT	Areal Flood Advisory	RNK	Ashe	3 hr
May 31, 9:07 PM EDT	Flash Flood Warning	RNK	Mercer, Monroe, Summers	113 min
May 31, 10:16 PM EDT	Special Weather Statement	RNK	Mercer	59 min

Nearby

Special Weather Statements in North Carolina, 2016 Every 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.