Alert archive / Virginia / Special Weather Statements in 2018

Special Weather Statement, NWS Blacksburg, VA

June 22, 2018Bedford County, City of Roanoke, Virginia

NWS Blacksburg, VA issued this special weather statement at Jun 22, 2018, 6:39 PM EDT for Bedford County, City of Roanoke, Virginia. It was in force for 66 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 22, 2018, 6:39 PM EDT (22:39 UTC)
Expired: Jun 22, 2018, 7:45 PM EDT
In force: 66 min
Issued by: NWS Blacksburg, VA

Counties Bedford County, VA, City of Roanoke, VA

The radar

The Roanoke radar (KFCX), 63 km from the middle of the area, began a volume at 22:38 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 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 22, 2:53 PM EDT, 3 hours 46 minutes earlier.

Area forecast discussion, Jun 22, 2:53 PM EDT, 3 hours 46 minutes before

Area Forecast Discussion
National Weather Service Blacksburg VA
253 PM EDT Fri Jun 22 2018

.SYNOPSIS...
A frontal boundary will drift slowly north tonight as a wave of low
pressure along it moves east. Scattered to numerous showers and
thunderstorms are expected across the region into tonight. The rain
may be heavy at times. Low pressure will move from the Ohio Valley
to the eastern Great Lakes Saturday, then eastward across New
England Sunday.

&&

.NEAR TERM /THROUGH SATURDAY/...
As of 253 PM EDT Friday...

Flash Flood Watch remain in effect until midnight for
VAZ046-047-058-059.

A closed upper low over Indiana this afternoon will open up and
northeast tonight into Saturday. Numerous showers and thunderstorms
have developed this afternoon in the unstable air across our region.
SPC Mesoscale analysis at 18z showed Surface based CAPES from 1k to
2500 j/kg and LIs from minus 2 to minus 4 across our forecast area.
The Effective bulk wind shear still demonstrates a pocket of 30 to
40 knot this afternoon. SPC in the Day One Convective outlook
continued a slight risk of severe weather in our northeastern
portion of the forecast area with marginal risk elsewhere.
There remains a potential for supercells. Damaging winds, heavy
rains and hail are the primary threat with deeper convection.

Showers and thunderstorms will move east across our area
this afternoon into tonight. HiResW-arw-east and HRRR capture
the main band of convection quite well for this afternoon. The
NAM,GFS and ECMWF showed scattered storms moving east across the
region tonight. Spokes of energy associated with the upper low
may result in lingering showers overnight especially in the west.
Areas of low clouds and fog will develop overnight especially
where heavier rain falls this afternoon. Low temperatures tonight
will range from the upper 50s in the mountains to around 70 degrees
in the piedmont.

With the movement of the low pressure center northeast, the warm
front will continue to advance north Saturday with the cold front
pushing east. The cold front should move across our area Saturday
afternoon into Saturday night. Shortwaves rotating around the upper
trough will enhance convection. The Latest day 2 convective outlook
placed a marginal chance to our east and to our west. In any case,
expected scattered showers and thunderstorms again on Saturday.
High temperatures will vary from around 70 degrees in the northwest
mountains to near 90 degrees in the piedmont.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY NIGHT/...
As of 253 PM EDT Friday...

500MB heights rising Saturday night through Monday night. Flow is
zonal Saturday night and Sunday with more ridging by Monday.  A 60
knot jet streak over the West Virginia and Pennsylvania Sunday will
provide some shear and upper diffluence during the afternoon and
evening.

Downsloping winds and 850MB temperatures across southern Virginia
and northern North Carolina will result in above normal temperatures
east of the Blue Ridge on Sunday. Will stay on the warm side of
guidance for maximum temperatures.

Confidence for all elements is average.

&&

.LONG TERM /TUESDAY THROUGH THURSDAY/...
As of 253 PM EDT Friday...

Upper ridge over the forecast area on Tuesday. Northern jet stream
remains progressive and models in decent agreement bringing the next
trough through the northeast United States on Wednesday and
Thursday.

Surface high pressure over the northeast and Mid Atlantic on Tuesday
will move offshore by Wednesday. This will mean a return of moisture
and a daily thunderstorm threat each afternoon and evening.
Potential for west to northwest surface to 850MB winds on Thursday
and Friday as seen on the ECMWF may limit areal coverage of
precipitation. Temperatures will be slightly above normal through
the period.

Confidence for all elements is average Tuesday and Wednesday and
below average for Thursday and Friday probability of precipitation.

&&

.AVIATION /19Z FRIDAY THROUGH WEDNESDAY/...
As of 135 PM EDT Friday...

VFR/MVFR conditions with pockets of IFR/LIFR associated with
convection and frontal boundary expected this afternoon into
tonight. Gusty winds around thunderstorms may hinder aviation
operations.

North and east of the front cigs into IFR category across
central and eastern VA. Southwest of the front conditions
generally are MVFR to VFR. Scattered to numerous showers
and thunderstorms will spread east across our region this
afternoon into tonight. KROA,KBCB and KLWB all have a good
chance of having a thunderstorm this afternoon. Expect
areas of low clouds and fog to develop overnight with leftover
convection lingering especially in the west. Morning low clouds
and fog will lift by late morning return most areas to VFR and
MVFR.

Medium confidence in ceilings,visibilities and winds during the
taf period.

.Extended Aviation Discussion...

Similar conditions anticipated into Saturday with scattered
convection. The best chance of a thunderstorm will occur across
northwest portions of the forecast area.  A cold front will
finally sweep through the region Sunday with improving
conditions Monday and Tuesday. Isolated to scattered MVFR
showers and thunderstorms are possible Wednesday.

&&

.EQUIPMENT...
As of 200 PM EDT Friday...

The NOAA weather radio transmitter in Hinton, West Virginia that
is WXM72 and broadcasting at a frequency of 162.425 MHz is off
the air. Parts are on order to repair the transmitter, but there
is no known time of restoration. We apologize for any
inconvenience.

&&

.RNK WATCHES/WARNINGS/ADVISORIES...
VA...Flash Flood Watch until midnight EDT tonight for VAZ046-047-
     058-059.
NC...None.
WV...None.

&&

SYNOPSIS...KK
NEAR TERM...KK
SHORT TERM...AMS
LONG TERM...AMS
AVIATION...KK/PM
EQUIPMENT...

Hazardous weather outlook, Jun 22, 10:33 AM EDT, 8 hours 6 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
1033 AM EDT Fri Jun 22 2018

NCZ001>004-018>020-VAZ007-009>020-022>024-032>034-043-WVZ042>044-507-
508-231445-
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-Henry-Mercer-Summers-Monroe-Eastern Greenbrier-
Western Greenbrier-
1033 AM EDT Fri Jun 22 2018

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina, south central Virginia, southwest
Virginia, west central Virginia and southeast West Virginia.

.DAY ONE...Today and tonight.

Scattered strong to severe thunderstorms are possible today.
Thunderstorms may be capable of damaging winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Another round of strong to isolated severe thunderstorms may occur
Saturday and Sunday. Very heavy rainfall may also result in
localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ046-047-058-059-231445-
Appomattox-Buckingham-Halifax-Charlotte-
1033 AM EDT Fri Jun 22 2018

...FLASH FLOOD WATCH IN EFFECT FROM 4 PM EDT THIS AFTERNOON THROUGH
THIS EVENING...

This Hazardous Weather Outlook is for central Virginia and south
central Virginia.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch through this evening.

Scattered strong to severe thunderstorms with heavy rains are
possible today. Thunderstorms may be capable of damaging winds, and
an isolated tornado cannot be ruled out.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Another round of strong to isolated severe thunderstorms may occur
Saturday and Sunday. Very heavy rainfall may also result in
localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ005-006-VAZ035-044-045-231445-
Rockingham-Caswell-Amherst-Pittsylvania-Campbell-
1033 AM EDT Fri Jun 22 2018

This Hazardous Weather Outlook is for north central North Carolina,
central Virginia and south central Virginia.

.DAY ONE...Today and tonight.

Scattered strong to severe thunderstorms are possible today.
Thunderstorms may be capable of damaging winds, and an isolated
tornado cannot be ruled out.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Another round of strong to isolated severe thunderstorms may occur
Saturday and Sunday. Very heavy rainfall may also result in
localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jun 22, 5:44 PM EDT, 55 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
544 PM EDT FRI JUN 22 2018

VAZ017-032-033-043-222230-
Henry-Franklin-Patrick-Floyd-
544 PM EDT FRI JUN 22 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN
FLOYD...NORTHWESTERN HENRY...FRANKLIN AND PATRICK COUNTIES...

Until 630 PM EDT

At 544 PM EDT, strong thunderstorms were clustered over Endicott,
moving northeast at 30 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Rocky Mount...
Stuart...
Ferrum...
Penhook...
and Bassett.

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

LAT...LON 3679 8053 3712 7992 3698 7961 3693 7962
      3655 8031
TIME...MOT...LOC 2144Z 229DEG 28KT 3685 8014

AS

Local storm report, Jun 22, 5:47 PM EDT, 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
547 PM EDT FRI JUN 22 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0330 PM     TSTM WND DMG     5 W ROANOKE             37.28N 80.05W
06/22/2018                   CITY OF SALEM      VA   PUBLIC

            LARGE LIMBED SNAPPED ON TREE OFF TENNESSEE STREET.

&&

WHP

Local storm report, Jun 22, 5:58 PM EDT, 41 minutes before

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Local storm report, Jun 22, 6:04 PM EDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
604 PM EDT FRI JUN 22 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0524 PM     TSTM WND DMG     3 N KEYSVILLE           37.08N 78.48W
06/22/2018                   CHARLOTTE          VA   PUBLIC

            ONE TREE DOWN ALONG HIGHWAY 15.

&&

WHP

Special weather statement, Jun 22, 6:19 PM EDT, 20 minutes before

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Special weather statement, Jun 22, 6:39 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 8:56 PM EDT	Special Weather Statement	RNK	Charlotte	34 min
Jun 21, 9:44 PM EDT	Special Weather Statement	RNK	City of Roanoke	31 min
Jun 21, 10:15 PM EDT	Severe Thunderstorm Warning	RNK	Halifax, Pittsylvania, City of Danville	60 min
Jun 21, 10:55 PM EDT	Special Weather Statement	RNK	Amherst, Appomattox, Campbell, City of Buena Vista, City of Lynchburg	65 min
Jun 22, 12:02 AM EDT	Special Weather Statement	RNK	Halifax	28 min
Jun 22, 10:12 AM EDT	Flash Flood Watch	RNK	Appomattox, Buckingham, Charlotte, Halifax	12 hr
Jun 22, 12:24 PM EDT	Special Weather Statement	RNK	Bland	21 min
Jun 22, 12:45 PM EDT	Special Weather Statement	RNK	Pulaski	15 min
Jun 22, 1:04 PM EDT	Special Weather Statement	RNK	Giles	26 min
Jun 22, 1:35 PM EDT	Special Weather Statement	RNK	City of Radford	25 min
Jun 22, 2:21 PM EDT	Special Weather Statement	RNK	Craig	24 min
Jun 22, 2:35 PM EDT	Special Weather Statement	RNK	Bedford	40 min
Jun 22, 2:57 PM EDT	Special Weather Statement	RNK	Roanoke	33 min
Jun 22, 2:59 PM EDT	Special Weather Statement	RNK	Wythe	31 min
Jun 22, 3:14 PM EDT	Severe Thunderstorm Warning	RNK	Roanoke, City of Roanoke, City of Salem	25 min
Jun 22, 3:16 PM EDT	Special Weather Statement	RNK	Bedford	29 min
Jun 22, 3:38 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Campbell, City of Lynchburg	26 min
Jun 22, 3:41 PM EDT	Special Weather Statement	RNK	Wythe	34 min
Jun 22, 3:51 PM EDT	Tornado Warning	RNK	Amherst, Bedford, Campbell, City of Lynchburg	39 min
Jun 22, 4:14 PM EDT	Special Weather Statement	RNK	Pulaski	46 min
Jun 22, 4:20 PM EDT	Areal Flood Advisory	RNK	City of Lynchburg	5 hr
Jun 22, 4:25 PM EDT	Tornado Warning	RNK	Appomattox, Campbell	35 min
Jun 22, 4:30 PM EDT	Special Weather Statement	RNK	Botetourt	30 min
Jun 22, 4:50 PM EDT	Special Weather Statement	RNK	Charlotte	40 min
Jun 22, 4:51 PM EDT	Special Weather Statement	RNK	Appomattox	39 min
Jun 22, 4:58 PM EDT	Special Weather Statement	RNK	Bedford	32 min
Jun 22, 5:13 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte	33 min
Jun 22, 5:22 PM EDT	Special Weather Statement	RNK	City of Buena Vista	23 min
Jun 22, 5:44 PM EDT	Special Weather Statement	RNK	Franklin, Patrick	46 min
Jun 22, 6:06 PM EDT	Areal Flood Advisory	RNK	Botetourt, Roanoke, City of Roanoke, City of Salem	2 hr
Jun 22, 7:09 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany	36 min
Jun 22, 7:17 PM EDT	Special Weather Statement	RNK	Campbell	43 min
Jun 22, 7:47 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	28 min
Jun 21, 9:46 PM EDT	Special Weather Statement	RNK	Rockingham	29 min
Jun 21, 11:15 PM EDT	Special Weather Statement	RNK	Caswell, Rockingham	60 min
Jun 22, 2:34 PM EDT	Special Weather Statement	RNK	Ashe	26 min
Jun 22, 3:59 PM EDT	Special Weather Statement	RNK	Wilkes	31 min
Jun 22, 4:46 PM EDT	Special Weather Statement	RNK	Surry	44 min
Jun 22, 7:58 PM EDT	Special Weather Statement	RNK	Wilkes	32 min
Jun 22, 5:34 PM EDT	Special Weather Statement	RNK	Summers	26 min
Jun 22, 5:47 PM EDT	Severe Thunderstorm Warning	RNK	Mercer, Monroe, Summers	40 min
Jun 22, 6:19 PM EDT	Special Weather Statement	RNK	Greenbrier	26 min
Jun 22, 6:32 PM EDT	Areal Flood Advisory	RNK	Mercer, Summers	2 hr
Jun 22, 6:41 PM EDT	Severe Thunderstorm Warning	RNK	Greenbrier	42 min
Jun 22, 7:17 PM EDT	Areal Flood Advisory	RNK	Greenbrier	3 hr

Nearby

Special Weather Statements in Virginia, 2018 Every special weather statement in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.