Alert archive / North Carolina / Special Weather Statements in 2020

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 3, 2020Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 3, 2020, 1:07 AM EDT for Iredell County, North Carolina. It was in force for 38 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
Aug 3, 2020, 1:07 AM EDT (05:07 UTC)
Expired
Aug 3, 2020, 1:45 AM EDT
In force
38 min
Issued by
NWS Greenville-Spartanburg, SC

County Iredell County, NC

The radar

The Roanoke radar (KFCX), 126 km from the middle of the area, began a volume at 05:07 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 00:00Z, 5.1 hours before the alert went out and 79 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, Greensboro/Hi Pt, NC at 00:00Z on 2020-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 971 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, Greensboro/Hi Pt, NC at 00:00Z on 2020-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
971 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1470 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.9

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this special weather statement went out at Aug 2, 9:58 PM EDT, 3 hours 9 minutes earlier.

Area forecast discussion, Aug 2, 9:58 PM EDT, 3 hours 9 minutes before
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Hazardous weather outlook, Aug 2, 8:00 PM EDT, 5 hours 7 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
800 PM EDT Sun Aug 2 2020

GAZ010-017-018-026-028-029-NCZ035>037-048-051>053-056>059-062>065-
068>072-082-507>510-SCZ001>014-019-040000-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Alexander-Iredell-
Davie-Madison-Swain-Haywood-Buncombe-Catawba-Rowan-Graham-
Northern Jackson-Macon-Southern Jackson-Transylvania-Henderson-
Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus-Union NC-
Rutherford Mountains-Greater Rutherford-Polk Mountains-Eastern Polk-
Oconee Mountains-Pickens Mountains-Greenville Mountains-
Greater Oconee-Greater Pickens-Greater Greenville-Spartanburg-
Cherokee-York-Anderson-Abbeville-Laurens-Union SC-Chester-Greenwood-
800 PM EDT Sun Aug 2 2020

This Hazardous Weather Outlook is for northeast Georgia, piedmont
North Carolina, western North Carolina and upstate South Carolina.

.DAY ONE...Tonight.

Isolated thunderstorms will continue into the evening. A couple
storms may produce gusty winds, locally heavy rainfall, and cloud-
to-ground lightning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Showers and thunderstorms will increase in coverage during the day
Monday, continuing to produce locally heavy rainfall. Isolated flash
flooding may occur late Monday. As Tropical Storm Isaias makes its
nearest pass to our region Monday night into early Tuesday, breezy
and occasionally gusty winds may develop. A few trees could fall in
areas where soils are saturated by the heavy rainfall. Isaias could
bring additional precipitation Monday night. Flooding may become an
increasing concern in areas that receive multiple rounds of heavy
rainfall.

.SPOTTER INFORMATION STATEMENT...

None.

NCZ033-049-050-501>506-040000-
Avery-Yancey-Mitchell-Caldwell Mountains-Greater Caldwell-
Burke Mountains-Greater Burke-McDowell Mountains-Eastern McDowell-
800 PM EDT Sun Aug 2 2020

...FLASH FLOOD WATCH IN EFFECT FROM 2 AM EDT MONDAY THROUGH TUESDAY
MORNING...

This Hazardous Weather Outlook is for western North Carolina.

.DAY ONE...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.

Isolated thunderstorms will continue into the evening. A couple
storms may produce gusty winds, locally heavy rainfall, and cloud-
to-ground lightning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

None.

In the hours before

Special weather statement, Aug 3, 12:01 AM EDT, 1 hour 6 minutes before
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Special weather statement, Aug 3, 12:02 AM EDT, 1 hour 5 minutes before
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Special weather statement, Aug 3, 12:23 AM EDT, 44 minutes before
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Special weather statement, Aug 3, 12:39 AM EDT, 28 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
1239 AM EDT Mon Aug 3 2020

NCZ508-510-SCZ007-008-030515-
Greater Rutherford NC-Eastern Polk NC-Cherokee SC-Spartanburg SC-
1239 AM EDT Mon Aug 3 2020

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL RUTHERFORD...
SOUTHEASTERN POLK...NORTHWESTERN SPARTANBURG AND NORTHWESTERN
CHEROKEE COUNTIES UNTIL 115 AM EDT...

At 1239 AM EDT, Doppler radar was tracking a strong thunderstorm 11
miles northwest of Spartanburg, or near Lake Bowen, moving northeast
at 20 mph.

Locations to be impacted include...
Rutherfordton, Boiling Springs SC, Inman, Chesnee, Campobello,
Cowpens National Battlefield, Lake Bowen, USC Upstate, Mayo and
Harris.

Wind gusts up to 40 mph and very heavy rainfall rates up to 2 inches
per hour will be possible in these areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

&&

LAT...LON 3522 8176 3518 8177 3518 8175 3496 8201
      3508 8218 3536 8197
TIME...MOT...LOC 0439Z 218DEG 19KT 3508 8205

HG
Special weather statement, Aug 3, 12:52 AM EDT, 15 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
1252 AM EDT Mon Aug 3 2020

NCZ036-037-057-030530-
Rowan NC-Davie NC-Iredell NC-
1252 AM EDT Mon Aug 3 2020

...A STRONG THUNDERSTORM WITH INTENSE LIGHTNING WILL IMPACT DAVIE...
NORTHEASTERN IREDELL AND NORTHWESTERN ROWAN COUNTIES UNTIL 130 AM
EDT...

At 1251 AM EDT, Doppler radar was tracking a strong thunderstorm with
intense lightning 7 miles west of Mocksville, moving northeast at 15
mph.

Locations to be impacted include...
Mocksville, Bermuda Run, Cooleemee, Harmony, Fork Church, Advance,
Sheffield, Farmington, Cool Springs and Turnersburg.

In addition to intense lightning, wind gusts up to 40 mph, pea size
hail and very heavy rainfall rates up to 2 inches per hour will be
possible in these areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

Frequent lightning is occurring with this storm. If outdoors, try to
get indoors or into a hard topped vehicle. Otherwise, stay away from
open areas and isolated high objects such as trees. When indoors,
stay away from windows and doors and avoid using wired electronic
devices. Do not take a shower or bath. Try to unplug unnecessary
appliances before the storm approaches.

&&

LAT...LON 3589 8037 3589 8041 3588 8042 3587 8040
      3584 8047 3584 8048 3583 8048 3576 8063
      3585 8082 3605 8076 3604 8049 3606 8046
      3603 8044 3601 8042 3599 8042 3596 8038
TIME...MOT...LOC 0451Z 212DEG 12KT 3587 8068

HG
Special weather statement, Aug 3, 1:07 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
107 AM EDT Mon Aug 3 2020

NCZ036-037-030545-
Davie NC-Iredell NC-
107 AM EDT Mon Aug 3 2020

...A STRONG THUNDERSTORM WITH INTENSE LIGHTNING WILL IMPACT
NORTHWESTERN DAVIE AND NORTHEASTERN IREDELL COUNTIES UNTIL 145 AM
EDT...

At 107 AM EDT, Doppler radar was tracking a strong thunderstorm with
intense lightning 8 miles north of Statesville, or 5 miles southwest
of Harmony, moving north at 15 mph.

Locations to be impacted include...
Harmony, Sheffield, Union Grove, Turnersburg, Olin and Cool Springs.

In addition to intense lightning, wind gusts up to 40 mph and very
heavy rainfall rates up to 2 inches per hour will be possible in
these areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

Frequent lightning is occurring with this storm. If outdoors, try to
get indoors or into a hard topped vehicle. Otherwise, stay away from
open areas and isolated high objects such as trees. When indoors,
stay away from windows and doors and avoid using wired electronic
devices. Do not take a shower or bath. Try to unplug unnecessary
appliances before the storm approaches.

&&

LAT...LON 3605 8059 3579 8077 3586 8097 3606 8092
TIME...MOT...LOC 0507Z 201DEG 14KT 3590 8084

HG

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 11:10 PM EDTSpecial Weather StatementGSPRutherford35 min
Aug 2, 11:28 PM EDTSpecial Weather StatementGSPIredell32 min
Aug 2, 11:40 PM EDTSpecial Weather StatementGSPRutherford35 min
Aug 2, 11:56 PM EDTSpecial Weather StatementGSPDavie, Iredell34 min
Aug 3, 12:01 AM EDTSpecial Weather StatementGSPCleveland29 min
Aug 3, 12:02 AM EDTSpecial Weather StatementGSPIredell28 min
Aug 3, 12:21 AM EDTSevere Thunderstorm WarningGSPBurke, Catawba, Cleveland, Lincoln, Rutherford54 min
Aug 3, 12:23 AM EDTSpecial Weather StatementGSPDavie, Iredell37 min
Aug 3, 12:36 AM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Lincoln39 min
Aug 3, 12:39 AM EDTSpecial Weather StatementGSPPolk36 min
Aug 3, 12:52 AM EDTSpecial Weather StatementGSPDavie38 min
Aug 3, 1:28 AM EDTSpecial Weather StatementGSPCaldwell32 min
Aug 3, 1:37 AM EDTSpecial Weather StatementGSPDavie38 min
Aug 3, 2:13 AM EDTSpecial Weather StatementGSPDavie32 min
Aug 3, 2:15 AM EDTSpecial Weather StatementGSPRutherford30 min
Aug 3, 2:42 AM EDTAreal Flood AdvisoryGSPDavie, Iredell, Rowan3 hr
Aug 3, 2:57 AM EDTAreal Flood AdvisoryGSPPolk, Rutherford3 hr
Aug 3, 2:59 AM EDTSpecial Weather StatementGSPMcDowell31 min
Aug 3, 4:28 AM EDTAreal Flood AdvisoryGSPCatawba, Cleveland, Lincoln, Rutherford3 hr
Aug 3, 6:10 AM EDTSpecial Weather StatementGSPMacon35 min
Aug 3, 6:23 AM EDTSpecial Weather StatementGSPSwain52 min
Aug 3, 6:50 AM EDTSpecial Weather StatementGSPGraham40 min
Aug 3, 7:26 AM EDTSpecial Weather StatementGSPMadison34 min
Aug 3, 7:56 AM EDTSpecial Weather StatementGSPMadison34 min
Aug 3, 8:21 AM EDTAreal Flood AdvisoryGSPMadison3 hr
Aug 3, 8:26 AM EDTAreal Flood AdvisoryGSPBurke, Caldwell, McDowell, Mitchell7 hr
Aug 3, 8:29 AM EDTSpecial Weather StatementGSPBurke46 min
Aug 3, 8:47 AM EDTFlash Flood WarningGSPMadison3 hr
Aug 3, 9:11 AM EDTFlash Flood WarningGSPBurke, McDowell, Rutherford3 hr
Aug 3, 9:23 AM EDTAreal Flood AdvisoryGSPJackson, Swain3 hr
Aug 3, 9:37 AM EDTAreal Flood AdvisoryGSPCaldwell3 hr
Aug 3, 11:56 AM EDTSpecial Weather StatementGSPHenderson34 min
Aug 3, 2:04 PM EDTSpecial Weather StatementGSPGaston, Iredell, Lincoln56 min
Aug 3, 2:44 PM EDTSpecial Weather StatementGSPCleveland46 min
Aug 2, 8:01 PM EDTSpecial Weather StatementGSPAbbeville14 min
Aug 2, 10:42 PM EDTSpecial Weather StatementGSPGreenville, Spartanburg48 min
Aug 3, 1:51 PM EDTSpecial Weather StatementGSPGreenville54 min
Aug 3, 4:08 PM EDTSpecial Weather StatementGSPOconee22 min
Aug 3, 4:32 PM EDTSpecial Weather StatementGSPOconee28 min
Aug 3, 5:19 PM EDTSpecial Weather StatementGSPAnderson41 min
Aug 3, 5:32 PM EDTAreal Flood AdvisoryGSPAnderson, Pickens4 hr
Aug 3, 7:54 PM EDTAreal Flood AdvisoryGSPGreenwood4 hr
Aug 3, 2:08 PM EDTSpecial Weather StatementGSPRabun37 min
Aug 3, 3:01 PM EDTSpecial Weather StatementGSPHabersham29 min
Aug 3, 3:44 PM EDTSpecial Weather StatementGSPFranklin31 min
Aug 3, 4:19 PM EDTSpecial Weather StatementGSPFranklin26 min
Aug 3, 4:48 PM EDTSpecial Weather StatementGSPHart27 min
Aug 3, 6:21 PM EDTAreal Flood AdvisoryGSPElbert3 hr

Nearby

Special Weather Statements in North Carolina, 2020Every special weather statement in 2020

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.