Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 16, 2021Newberry County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 16, 2021, 1:57 PM EDT for Newberry County, South 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: Jul 16, 2021, 1:57 PM EDT (17:57 UTC)
Expired: Jul 16, 2021, 2:30 PM EDT
In force: 33 min
Issued by: NWS Greenville-Spartanburg, SC

County Newberry County, SC

The radar

The Greer radar (KGSP), 65 km from the middle of the area, began a volume at 18:00 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

Charleston AFB, SC (KCHS), launched 12:00Z, 6.0 hours before the alert went out and 236 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: 550 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 974 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 5 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 Jul 16, 1:46 PM EDT, 11 minutes earlier.

Area forecast discussion, Jul 16, 1:46 PM EDT, 11 minutes before

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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jul 16, 4:18 AM EDT, 9 hours 39 minutes before

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
418 AM EDT Fri Jul 16 2021

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-170830-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Avery-Alexander-
Iredell-Davie-Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Catawba-
Rowan-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania-
Henderson-Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus-Union NC-
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-Cherokee-York-
Anderson-Abbeville-Laurens-Union SC-Chester-Greenwood-
418 AM EDT Fri Jul 16 2021

This Hazardous Weather Outlook is for northeast Georgia, Piedmont
North Carolina, western North Carolina, and Upstate South Carolina.

.DAY ONE...Today and tonight.

Scattered showers and thunderstorms are expected to develop across
the western Carolinas and northeast Georgia this afternoon and
evening. Threats from these storms will include gusty winds, locally
heavy rainfall, and occasional cloud-to-ground lightning strikes.
The thunderstorms will diminish after midnight.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

HG

In the hours before

Special weather statement, Jul 16, 1:43 PM EDT, 14 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
143 PM EDT Fri Jul 16 2021

SCZ014-161815-
Chester SC-
143 PM EDT Fri Jul 16 2021

...A STRONG THUNDERSTORM WITH INTENSE LIGHTNING WILL IMPACT CENTRAL
CHESTER COUNTY UNTIL 215 PM EDT...

At 143 PM EDT, Doppler radar was tracking a strong thunderstorm with
intense lightning 5 miles south of Chester, or near Chester State
Park, moving northeast at 30 mph.

Locations to be impacted include...
Chester, Richburg, Chester State Park, Cornwell and Blackstock.

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...

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 3456 8112 3457 8129 3462 8137 3482 8119
      3482 8116 3481 8106 3470 8093
TIME...MOT...LOC 1743Z 221DEG 26KT 3462 8123

KRENTZ

Special weather statement, Jul 16, 1:57 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
157 PM EDT Fri Jul 16 2021

SCZ012-161830-
Laurens SC-
157 PM EDT Fri Jul 16 2021

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN LAURENS COUNTY
UNTIL 230 PM EDT...

At 157 PM EDT, Doppler radar was tracking a strong thunderstorm 13
miles northwest of Newberry, or near Joanna, moving northeast at 10
mph.

Locations to be impacted include...
Joanna and Kinards.

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...

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 3436 8188 3445 8181 3455 8167 3455 8166
      3453 8165 3452 8165 3446 8170 3445 8172
      3437 8178 3435 8181 3435 8183 3433 8185
TIME...MOT...LOC 1757Z 229DEG 11KT 3438 8181

KRENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 7:33 PM EDT	Special Weather Statement	GSP	Madison	27 min
Jul 16, 12:58 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union	32 min
Jul 16, 1:43 PM EDT	Special Weather Statement	GSP	Chester	32 min
Jul 16, 2:14 PM EDT	Special Weather Statement	GSP	Greenwood	31 min
Jul 16, 3:18 PM EDT	Special Weather Statement	GSP	Elbert	27 min

Nearby

Special Weather Statements in South Carolina, 2021 Every special weather statement in 2021

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.