Severe Thunderstorm Warning 255, NWS Greenville-Spartanburg, SC

712 
WWUS52 KGSP 282047
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
447 PM EDT FRI JUL 28 2017

NCC025-071-109-119-179-SCC091-282130-
/O.CON.KGSP.SV.W.0255.000000T0000Z-170728T2130Z/
Cabarrus NC-Lincoln NC-Mecklenburg NC-Gaston NC-Union NC-York SC-
447 PM EDT FRI JUL 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR CABARRUS...EASTERN LINCOLN...MECKLENBURG...EASTERN GASTON...UNION
AND EASTERN YORK COUNTIES...

At 447 PM EDT, severe thunderstorms were located along a line
extending from 5 miles northwest of Huntersville to 3 miles southwest
of Uptown Charlotte to 6 miles northeast of Lancaster, moving east at
30 mph.

HAZARD...70 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Rock Hill, Uptown Charlotte, Huntersville, Kannapolis, Downtown
Concord, Monroe, Central Charlotte, South Charlotte, Northeast
Charlotte and Southwest Charlotte.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.

These storms are producing frequent and intense lightning. Turn off
electrical appliances. Do not use corded telephones. Do not take a
bath or shower.

These storms are also producing extremely heavy rainfall. Flooding of
drainage ditches and low lying areas may occur. Small streams will
rise rapidly. Do not drive through areas where water is flowing over
the road.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.

&&

LAT...LON 3481 8032 3482 8080 3494 8078 3508 8091
      3501 8091 3492 8086 3484 8088 3482 8090
      3482 8104 3555 8108 3555 8096 3554 8094
      3553 8094 3553 8095 3549 8095 3551 8091
      3550 8030 3519 8051 3516 8044 3519 8028
TIME...MOT...LOC 2047Z 269DEG 25KT 3548 8090 3518 8088 3481 8072 

HAIL...<.75IN
WIND...70MPH
 
$$

RWH

879 
WWUS52 KGSP 282101
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
501 PM EDT FRI JUL 28 2017

NCC071-109-SCC091-282111-
/O.CAN.KGSP.SV.W.0255.000000T0000Z-170728T2130Z/
Lincoln NC-Gaston NC-York SC-
501 PM EDT FRI JUL 28 2017

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LINCOLN...EASTERN
GASTON AND EASTERN YORK COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3481 8032 3482 8080 3494 8078 3511 8093
      3505 8105 3509 8105 3511 8103 3514 8105
      3517 8100 3530 8101 3535 8097 3536 8092
      3537 8099 3539 8095 3550 8094 3551 8091
      3550 8030 3519 8051 3516 8044 3519 8028
TIME...MOT...LOC 2101Z 270DEG 25KT 3550 8080 3520 8078 3483 8062 

$$

NCC025-119-179-282130-
/O.CON.KGSP.SV.W.0255.000000T0000Z-170728T2130Z/
Cabarrus NC-Mecklenburg NC-Union NC-
501 PM EDT FRI JUL 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR CABARRUS...MECKLENBURG AND UNION COUNTIES...

At 501 PM EDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Huntersville to 4 miles southeast
of Uptown Charlotte to 11 miles northeast of Lancaster, moving east
at 30 mph.

HAZARD...70 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Uptown Charlotte, Huntersville, Kannapolis, Downtown Concord, Monroe,
Central Charlotte, South Charlotte, Northeast Charlotte, Southwest
Charlotte and East Charlotte.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.

These storms are producing frequent and intense lightning. Turn off
electrical appliances. Do not use corded telephones. Do not take a
bath or shower.

These storms are also producing extremely heavy rainfall. Flooding of
drainage ditches and low lying areas may occur. Small streams will
rise rapidly. Do not drive through areas where water is flowing over
the road.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.

&&

LAT...LON 3481 8032 3482 8080 3494 8078 3511 8093
      3505 8105 3509 8105 3511 8103 3514 8105
      3517 8100 3530 8101 3535 8097 3536 8092
      3537 8099 3539 8095 3550 8094 3551 8091
      3550 8030 3519 8051 3516 8044 3519 8028
TIME...MOT...LOC 2101Z 270DEG 25KT 3550 8080 3520 8078 3483 8062 

HAIL...<.75IN
WIND...70MPH
 
$$

RWH

Area Forecast Discussion
National Weather Service Greenville-Spartanburg SC
254 PM EDT Fri Jul 28 2017

.SYNOPSIS...
A strong cold front will cross the region from the west through
tonight. Cooler and drier air will arrive across the western
Carolinas and northeast Georgia through the weekend and linger
through the early part of next week. More typical summertime
conditions will return about the middle of next week.

&&

.NEAR TERM /THROUGH SATURDAY/...
A line of strong to severe thunderstorms is taking shape across the
Upstate. A 44kt wind gust was observed by the KAND ASOS as the line
was taking shape across the upper Savannah River Valley. This is not
surprising considering the axis of 1000+ dCAPE depicted in
mesoanalysis across the area. Overall coverage and intensity of
convection is expected to increase as it moves into an area
characterized by 2500-3000 sbCAPE and upper support continues to
improve as height falls continue to overspread the area. Height
falls/tightening height gradient is expected to result in improving
shear throughout the afternoon, with 0-3km values likely reaching
20-25 kts by late afternoon. This will be adequate to support
continued clustering along cold pools, supporting a risk of
localized damaging winds, especially across the Piedmont.

A lull in convection of at least a couple of hours appears to be in
the offing late this afternoon/evening. However, we will have to
monitor convective trend across the TN Valley (ahead of the cold
front) this afternoon, as any activity developing that way could
find its way into our far western areas this evening. So far, the
air mass across East Tennessee is struggling to recover from the
morning showers that moved across that area. However, numerous,
albeit not especially strong showers and storms are developing at
the leading edge of an axis of 2000+ sbCAPE across west/middle
Tennessee. The more robust shear remains across the Ohio Valley, and
given the rather modest levels of instability, especially east of
the Cumberland Plateau, it doesn't appear likely that this
convection will be able to get its act together in much of an
organized form. Nevertheless, we will feature likely pops across the
mtns this evening, tapering to chances east of the Blue Ridge for
scattered to numerous showers and a few storms moving into our
western areas this evening.

With low level moisture remaining abundant, and mid/upper level
clearing, fog formation is possible late tonight, especially in
sheltered areas, where it could become locally dense. Deeper
moisture and wind shift associated with cold front is expected to
ooze to our southern areas, or just to our south by sunrise
Saturday. Token small pops will be maintained in these areas
through the day, as well as across the mtns (for a relatively moist
NW flow), and across the eastern zones (due to upper level thermal
trough developing in association with Mid-Atlantic upper low).
Otherwise, drier and stable air will preclude the need for pops
elsewhere, while lower thickness values will support max temps
slightly below climo.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
As of 200 PM EDT Friday: A deep trough will extend southwest from a
closed low pressure system over the DelMarVa area through the
western Carolinas Saturday night through Sunday. Deeper moisture
will wrap southward around the back side of the system to contribute
some cloudiness to the northern tier, but any shower chances
Saturday night into early Sunday look rather low. Northerly cold
advection flow will maximize during this period with thicknesses
bottoming out across the region to produce min/max temps 1 to 2
categories below climo.

Meanwhile, at the surface sprawling high pressure will build from
the upper Midwest to the east coast and nose southward through the
western Carolinas and northeast Georgia through Monday. Modest
surface dewpoint recovery will begin in southwest sections by Monday
afternoon, but the potential for any southwest mountain ridge
diurnal convection looks quite limited.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
As of 210 PM EDT Friday: The eastern trough will broaden in the
Tuesday to Friday timeframe as it gets reinforced by rounds of
digging shortwave energy arriving from Manitoba and Ontario. Under
the developing broad ridge, the airmass over the southeast will
continue to modify through the week with temperatures gradually
returning to normal. Diurnal convective coverage from terrain
forcing will increase each afternoon Tuesday through Thursday.
Deeper moisture will pool ahead of a cold front approaching from the
northwest on Friday to generate above climo PoPs.

&&

.AVIATION /19Z FRIDAY THROUGH WEDNESDAY/...
At KCLT and elsewhere: Showers and storms moving off the Blue Ridge
are expected to expand in coverage and intensity as they move east
across the area through late afternoon. Tempos for TSRA are included
at all terminals...beginning now at all sites except KCLT, and at
20Z at KCLT. Occl visby and/or cig restrictions are likely during
brief periods of heavy rain. Showers and storms are expected to
diminish in coverage from late afternoon into the early evening.
However, additional activity developing ahead of a cold front over
the TN Valley may then move into the area during mid/late evening.
VCSH and Prob30s therefore linger into the early part of the
overnight at all TAF sites. The concern then shifts to the potential
for fog and/or stratus late tonight, as low level moisture remains
plentiful, and mid/upper levels begin to dry. For the time being,
late night/early morning restrictions are confined to KAVL/KHKY, but
more widespread restrictions are certainly possible. SW winds may
gust at times this afternoon, diminishing to 5-10 kts by mid-evening
or so. Winds then shift to the NW at most terminals by mid-morning,
with speeds of 5-10 kts expected (10-15 kts and possibly gusty at
KAVL).

Outlook: Drier air will filter in from the north behind a passing
cold front this weekend. Chances for morning fog and stratus will
also be possible mainly in the mountain valleys. A typical
summer-time pattern is expected to return by the middle of next week.

Confidence Table...

            19-01Z        01-07Z        07-13Z        13-18Z
KCLT       High 100%     High  89%     High  91%     High 100%
KGSP       High 100%     High  99%     High  95%     High 100%
KAVL       High 100%     High  83%     Med   72%     High  90%
KHKY       High  90%     High  96%     Med   79%     High  96%
KGMU       High  98%     High  98%     High  94%     High 100%
KAND       High  97%     High  96%     Med   70%     High  98%

The percentage reflects the number of guidance members agreeing
with the scheduled TAF issuance flight rule category. Complete hourly
experimental aviation forecast consistency tables and ensemble forecasts
are available at the following link:

www.weather.gov/gsp/aviation

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...None.
NC...None.
SC...None.

&&

SYNOPSIS...HG
NEAR TERM...JDL
SHORT TERM...HG
LONG TERM...HG
AVIATION...JDL

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
346 PM EDT Fri Jul 28 2017

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>065-501>510-
SCZ001>007-010>012-019-292000-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Avery-Madison-Yancey-
Mitchell-Swain-Haywood-Buncombe-Graham-Northern Jackson-Macon-
Southern Jackson-Transylvania-Henderson-Caldwell Mountains-
Greater Caldwell-Burke Mountains-Greater Burke-McDowell Mountains-
Eastern McDowell-Rutherford Mountains-Greater Rutherford-
Polk Mountains-Eastern Polk-Oconee Mountains-Pickens Mountains-
Greenville Mountains-Greater Oconee-Greater Pickens-
Greater Greenville-Spartanburg-Anderson-Abbeville-Laurens-Greenwood-
346 PM EDT Fri Jul 28 2017

This Hazardous Weather Outlook is for northeast Georgia, the
mountains and foothills of western North Carolina, and the central
and western Upstate of South Carolina.

.DAY ONE...This Afternoon and Tonight.

Isolated thunderstorms may redevelop from the west along an
approaching cold front later this evening. A few cloud to ground
lightning strikes will be possible.

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

..Saturday...No hazardous weather is expected at this time.
..Sunday...No hazardous weather is expected at this time.
..Monday...No hazardous weather is expected at this time.
..Tuesday...No hazardous weather is expected at this time.
..Wednesday...No hazardous weather is expected at this time.
..Thursday...No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

NCZ035>037-056-057-068>072-082-SCZ008-009-013-014-292000-
Alexander-Iredell-Davie-Catawba-Rowan-Cleveland-Lincoln-Gaston-
Mecklenburg-Cabarrus-Union-Cherokee-York-Chester-
346 PM EDT Fri Jul 28 2017

This Hazardous Weather Outlook is for piedmont North Carolina and the
eastern Upstate of South Carolina.

.DAY ONE...This Afternoon and Tonight.

Numerous thunderstorms will sweep east through the Interstate 77
corridor in the piedmont of the Carolinas late this afternoon through
early this evening. The main threat will be damaging wind gusts in
excess of 60 mph. Frequent cloud-to-ground lightning will occur with
these thunderstorms and the heaviest downpours could produce isolated
flooding of low-lying and poor drainage areas.

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

..Saturday...No hazardous weather is expected at this time.
..Sunday...No hazardous weather is expected at this time.
..Monday...No hazardous weather is expected at this time.
..Tuesday...No hazardous weather is expected at this time.
..Wednesday...No hazardous weather is expected at this time.
..Thursday...No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are asked to relay any reports of severe weather or flooding
to the National Weather Service.

HG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
400 PM EDT FRI JUL 28 2017

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

0320 PM     TSTM WND DMG     5 W REIDVILLE           34.87N 82.21W
07/28/2017                   SPARTANBURG        SC   DEPT OF HIGHWAYS

            SCHP REPORTED TREES AND POWER LINES DOWN ON ABNER CREEK
            RD AND NOTTINGHAM LN.

&&

LEC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
408 PM EDT FRI JUL 28 2017

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

0349 PM     TSTM WND DMG     4 NW THICKETTY          35.06N 81.78W
07/28/2017                   CHEROKEE           SC   911 CALL CENTER

            911 CALL CENTER REPORTED TREE DOWN ON CANNONS
            CAMPGROUND ROAD

&&

LEC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
412 PM EDT FRI JUL 28 2017

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

0335 PM     TSTM WND DMG     4 SE SPARTANBURG        34.90N 81.89W
07/28/2017                   SPARTANBURG        SC   COUNTY OFFICIAL

            TREES DOWN ALONG ROYAL OAK ROAD.

&&

HG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
414 PM EDT FRI JUL 28 2017

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

0335 PM     TSTM WND DMG     2 SE SPARTANBURG        34.93N 81.90W
07/28/2017                   SPARTANBURG        SC   911 CALL CENTER

            TREES AND POWER LINES DOWN ALONG WASHINGTON ROAD IN THE
            DRAYTON COMMUNITY.

&&

HG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
416 PM EDT FRI JUL 28 2017

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

0337 PM     TSTM WND DMG     2 NNE SPARTANBURG       34.97N 81.91W
07/28/2017                   SPARTANBURG        SC   911 CALL CENTER

            TREES DOWN ALONG FLOYD STREET.

&&

HG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
419 PM EDT FRI JUL 28 2017

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

0320 PM     TSTM WND DMG     4 NNW LYMAN             35.00N 82.16W
07/28/2017                   SPARTANBURG        SC   911 CALL CENTER

            TREES AND POWERLINES DOWN IN THE 1200 BLOCK OF HAMPTON
            ROAD IN THE HOLLY SPRINGS AREA.

&&

HG