Alert archive / North Carolina / Special Weather Statements in 2020

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 7, 2020Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 7, 2020, 5:42 PM EDT for Caldwell County, North Carolina. It was in force for 33 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 7, 2020, 5:42 PM EDT (21:42 UTC)
Expired
Aug 7, 2020, 6:15 PM EDT
In force
33 min
Issued by
NWS Greenville-Spartanburg, SC

County Caldwell County, NC

The radar

The Greer radar (KGSP), 144 km from the middle of the area, began a volume at 21:41 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, 9.7 hours before the alert went out and 135 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 12:00Z on 2020-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2020-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
963 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
110 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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this special weather statement went out at Aug 7, 5:33 PM EDT, 9 minutes earlier.

Area forecast discussion, Aug 7, 5:33 PM EDT, 9 minutes before
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Hazardous weather outlook, Aug 7, 6:26 AM EDT, 11 hours 16 minutes before
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In the hours before

Special weather statement, Aug 7, 5:42 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
542 PM EDT Fri Aug 7 2020

NCZ035-502-072215-
Greater Caldwell NC-Alexander NC-
542 PM EDT Fri Aug 7 2020

...A STRONG THUNDERSTORM WITH INTENSE LIGHTNING WILL IMPACT WEST
CENTRAL ALEXANDER AND EASTERN CALDWELL COUNTIES UNTIL 615 PM EDT...

At 542 PM EDT, Doppler radar was tracking a strong thunderstorm with
intense lightning 4 miles northeast of Lenoir, or over Cedar Rock,
moving northeast at 5 mph.

Locations to be impacted include...
Lenoir, Hudson, Cedar Rock, Sawmills, Kings Creek, Little River In
Alexander County, Ellendale and Patterson.

In addition to intense lightning, wind gusts up to 50 mph and pea
size hail 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.

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 8139 3604 8140 3604 8137 3600 8133
      3601 8131 3601 8130 3591 8122 3581 8147
      3596 8160 3597 8158 3607 8141
TIME...MOT...LOC 2142Z 234DEG 6KT 3593 8147

RWH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 8:00 PM EDTSpecial Weather StatementGSPRutherford30 min
Aug 6, 8:11 PM EDTSpecial Weather StatementGSPHenderson34 min
Aug 6, 8:20 PM EDTSpecial Weather StatementGSPCatawba, Lincoln, Rowan25 min
Aug 6, 8:33 PM EDTSpecial Weather StatementGSPBurke, Caldwell, Cleveland57 min
Aug 6, 8:38 PM EDTAreal Flood AdvisoryGSPCatawba, Iredell115 min
Aug 6, 8:40 PM EDTAreal Flood AdvisoryGSPAlexander, Burke, Caldwell, Catawba4 hr
Aug 6, 8:50 PM EDTAreal Flood AdvisoryGSPBuncombe, Henderson97 min
Aug 6, 8:51 PM EDTAreal Flood AdvisoryGSPMadison, Yancey28 min
Aug 6, 8:58 PM EDTSevere Thunderstorm WarningGSPCleveland47 min
Aug 6, 9:14 PM EDTFlash Flood WarningGSPCatawba, Iredell2 hr
Aug 6, 9:33 PM EDTSpecial Weather StatementGSPCatawba27 min
Aug 6, 10:01 PM EDTAreal Flood WarningGSPDavie2 hr
Aug 6, 10:12 PM EDTSpecial Weather StatementGSPCleveland, Lincoln33 min
Aug 6, 10:42 PM EDTSpecial Weather StatementGSPCleveland, Lincoln63 min
Aug 6, 10:50 PM EDTSpecial Weather StatementGSPCleveland, Polk, Rutherford55 min
Aug 6, 11:09 PM EDTAreal Flood AdvisoryGSPLincoln98 min
Aug 6, 11:24 PM EDTAreal Flood AdvisoryGSPCleveland, Polk, Rutherford3 hr
Aug 6, 11:34 PM EDTAreal Flood WarningGSPCatawba, Iredell62 min
Aug 7, 12:12 AM EDTSpecial Weather StatementGSPHenderson33 min
Aug 7, 12:36 AM EDTAreal Flood AdvisoryGSPCatawba, Iredell2 hr
Aug 7, 12:41 AM EDTSpecial Weather StatementGSPHenderson34 min
Aug 7, 5:46 PM EDTSpecial Weather StatementGSPBurke29 min
Aug 7, 6:00 PM EDTSpecial Weather StatementGSPYancey30 min
Aug 7, 6:21 PM EDTSpecial Weather StatementGSPCatawba24 min
Aug 7, 7:00 PM EDTSpecial Weather StatementGSPPolk30 min
Aug 7, 7:18 PM EDTSpecial Weather StatementGSPCabarrus27 min
Aug 7, 7:28 PM EDTSpecial Weather StatementGSPLincoln32 min
Aug 7, 7:29 PM EDTSpecial Weather StatementGSPPolk31 min
Aug 6, 10:59 PM EDTSpecial Weather StatementGSPOconee31 min
Aug 6, 11:44 PM EDTSpecial Weather StatementGSPPickens31 min
Aug 7, 12:00 AM EDTSpecial Weather StatementGSPSpartanburg30 min
Aug 7, 12:17 AM EDTAreal Flood AdvisoryGSPSpartanburg3 hr
Aug 7, 2:32 AM EDTAreal Flood AdvisoryGSPGreenville3 hr
Aug 7, 3:31 AM EDTAreal Flood AdvisoryGSPSpartanburg119 min
Aug 7, 5:33 AM EDTAreal Flood AdvisoryGSPGreenville, Spartanburg5 hr
Aug 7, 5:59 PM EDTSpecial Weather StatementGSPYork31 min
Aug 6, 9:26 PM EDTSpecial Weather StatementGSPHabersham34 min
Aug 6, 10:33 PM EDTAreal Flood AdvisoryGSPHabersham2 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.