Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 172, NWS Greenville-Spartanburg, SC

July 4, 2020Buncombe County, Haywood County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 4, 2020, 4:37 PM EDT for Buncombe County, Haywood County, North Carolina. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 4, 2020, 4:37 PM EDT (20:37 UTC)
Expired: Jul 4, 2020, 5:30 PM EDT
In force: 53 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Buncombe County, NC, Haywood County, NC

The radar

The Knoxville radar (KMRX), 87 km from the middle of the area, began a volume at 20:38 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 4, 4:33 PM EDT, 4 minutes earlier.

Area forecast discussion, Jul 4, 4:33 PM EDT, 4 minutes before

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Hazardous weather outlook, Jul 4, 4:36 AM EDT, 12 hours 1 minute before

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In the hours before

Special weather statement, Jul 4, 3:34 PM EDT, 1 hour 3 minutes before

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Special weather statement, Jul 4, 3:39 PM EDT, 58 minutes before

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Special weather statement, Jul 4, 4:03 PM EDT, 34 minutes before

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Special weather statement, Jul 4, 4:15 PM EDT, 22 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
415 PM EDT Sat Jul 4 2020

NCZ051-059-062-042045-
Swain NC-Northern Jackson NC-Macon NC-
415 PM EDT Sat Jul 4 2020

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN MACON...WEST
CENTRAL JACKSON AND SOUTH CENTRAL SWAIN COUNTIES UNTIL 445 PM EDT...

At 415 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles north of Franklin, moving west at 10 mph.

Locations to be impacted include...
Alarka, Wesser, Savannah, Cowee, Almond and Luada.

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...

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 3534 8365 3534 8362 3536 8361 3537 8328
      3529 8324 3523 8366
TIME...MOT...LOC 2015Z 081DEG 10KT 3530 8343

KRENTZ

Special weather statement, Jul 4, 4:26 PM EDT, 11 minutes before

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Special weather statement, Jul 4, 4:29 PM EDT, 8 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
429 PM EDT Sat Jul 4 2020

NCZ048-052-053-042115-
Buncombe NC-Haywood NC-Madison NC-
429 PM EDT Sat Jul 4 2020

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN MADISON...
NORTHEASTERN HAYWOOD AND WEST CENTRAL BUNCOMBE COUNTIES UNTIL 515 PM
EDT...

At 428 PM EDT, Doppler radar was tracking a strong thunderstorm 11
miles southwest of Marshall, or 8 miles west of Leicester, moving
west at 10 mph.

Locations to be impacted include...
Leicester, Luck, Canto and Fines Creek.

Wind gusts up to 40 mph and pea size hail 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 3578 8275 3566 8268 3557 8297 3570 8304
TIME...MOT...LOC 2028Z 069DEG 8KT 3568 8283

KRENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 10:09 PM EDT	Flash Flood Warning	GSP	Jackson	4 hr
Jul 3, 11:15 PM EDT	Special Weather Statement	GSP	Macon	45 min
Jul 4, 3:34 PM EDT	Special Weather Statement	GSP	Jackson	41 min
Jul 4, 3:39 PM EDT	Special Weather Statement	GSP	Buncombe	51 min
Jul 4, 4:03 PM EDT	Special Weather Statement	GSP	Yancey	27 min
Jul 4, 4:15 PM EDT	Special Weather Statement	GSP	Macon	30 min
Jul 4, 4:26 PM EDT	Special Weather Statement	GSP	Haywood	49 min
Jul 4, 4:29 PM EDT	Special Weather Statement	GSP	Haywood	46 min
Jul 4, 4:32 PM EDT	Areal Flood Advisory	GSP	Mitchell, Yancey	3 hr
Jul 4, 5:00 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Jackson	30 min
Jul 4, 5:03 PM EDT	Flash Flood Warning	GSP	Yancey	3 hr
Jul 4, 5:27 PM EDT	Special Weather Statement	GSP	Haywood	33 min
Jul 4, 6:00 PM EDT	Special Weather Statement	GSP	Caldwell	30 min
Jul 4, 6:05 PM EDT	Special Weather Statement	GSP	McDowell	25 min
Jul 4, 7:21 PM EDT	Special Weather Statement	GSP	Mecklenburg	24 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2020 Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.