Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 313, NWS Greenville-Spartanburg, SC

August 15, 20225 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 15, 2022, 5:12 PM EDT for 5 counties in North Carolina. It was in force for 48 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: Aug 15, 2022, 5:12 PM EDT (21:12 UTC)
Expired: Aug 15, 2022, 6:00 PM EDT
In force: 48 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Catawba County, NC, Gaston County, NC, Iredell County, NC, Lincoln County, NC, Mecklenburg County, NC

The radar

The Greer radar (KGSP), 125 km from the middle of the area, began a volume at 21:12 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 15, 4:11 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.2 hours before the alert went out and 123 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: 12 J/kg
Mixed-layer CIN: -175 J/kg
Mixed-layer LCL: 860 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Aug 15, 4:21 PM EDT, 51 minutes earlier.

Area forecast discussion, Aug 15, 4:21 PM EDT, 51 minutes before

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Hazardous weather outlook, Aug 15, 4:27 PM EDT, 45 minutes before

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In the hours before

Special weather statement, Aug 15, 2:27 PM EDT, 2 hours 45 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
227 PM EDT Mon Aug 15 2022

NCZ033-050-501>505-151915-
McDowell Mountains NC-Caldwell Mountains NC-Burke Mountains NC-
Greater Burke NC-Greater Caldwell NC-Avery NC-Mitchell NC-
227 PM EDT Mon Aug 15 2022

...A strong thunderstorm will impact portions of northeastern
McDowell, east central Mitchell, Caldwell, southern Avery and
northwestern Burke Counties through 315 PM EDT...

At 227 PM EDT, Doppler radar was tracking a strong thunderstorm 13
miles west of Lenoir, or 8 miles north of Table Rock, moving
southeast at 20 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Lenoir, Morganton, Spruce Pine, Gamewell, Cajah's Mountain, Drexel,
Cedar Rock, Crossnore, Linville Falls and B.R. Parkway-Linville Falls
To Grandfather.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3591 8207 3606 8200 3610 8183 3609 8153
      3595 8138 3568 8167
TIME...MOT...LOC 1827Z 311DEG 16KT 3595 8176

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

CAC

Special weather statement, Aug 15, 3:20 PM EDT, 1 hour 52 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
320 PM EDT Mon Aug 15 2022

NCZ056-068-069-504>506-508-152000-
McDowell Mountains NC-Greater Rutherford NC-Cleveland NC-Lincoln NC-
Greater Burke NC-Eastern McDowell NC-Catawba NC-
320 PM EDT Mon Aug 15 2022

...Strong thunderstorms will impact portions of southwestern Catawba,
southeastern McDowell, northeastern Rutherford, northwestern Lincoln,
northwestern Cleveland and Burke Counties through 400 PM EDT...

At 320 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Morganton to 8 miles northeast of Marion.
Movement was southeast at 20 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Morganton, Marion, Valdese, Icard, Drexel, Hildebran, Connelly
Springs, Rutherford College, Glen Alpine and Casar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Conditions are favorable for development of a very brief, weak
tornado. Be prepared to take immediate action if a tornado is sighted
or a Tornado Warning is issued.

&&

LAT...LON 3578 8156 3578 8151 3558 8119 3544 8182
      3563 8216 3577 8206 3579 8196 3577 8193
      3580 8189 3584 8163
TIME...MOT...LOC 1920Z 318DEG 16KT 3577 8166 3575 8188

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

CAC

Special weather statement, Aug 15, 4:14 PM EDT, 58 minutes before

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Special weather statement, Aug 15, 4:50 PM EDT, 22 minutes before

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Local storm report, Aug 15, 4:59 PM EDT, 13 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 11:10 PM EDT	Special Weather Statement	GSP	Alexander	35 min
Aug 14, 11:42 PM EDT	Special Weather Statement	GSP	Alexander, Catawba, Iredell, Lincoln	48 min
Aug 15, 12:24 AM EDT	Special Weather Statement	GSP	Catawba	36 min
Aug 15, 12:55 AM EDT	Special Weather Statement	GSP	Mecklenburg	35 min
Aug 15, 2:27 PM EDT	Special Weather Statement	GSP	Avery, Burke, Caldwell	48 min
Aug 15, 3:20 PM EDT	Special Weather Statement	GSP	Burke, McDowell	40 min
Aug 15, 3:36 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba, Cleveland, Lincoln, McDowell, Rutherford	39 min
Aug 15, 4:14 PM EDT	Special Weather Statement	GSP	Cleveland, Lincoln	46 min
Aug 15, 4:39 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Lincoln	51 min
Aug 15, 4:50 PM EDT	Special Weather Statement	GSP	Rutherford	40 min
Aug 15, 4:58 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Polk, Rutherford	47 min
Aug 15, 5:33 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Polk, Rutherford	42 min
Aug 15, 6:20 PM EDT	Special Weather Statement	GSP	Union	40 min
Aug 15, 7:14 PM EDT	Areal Flood Advisory	GSP	Union	2 hr
Aug 15, 5:53 PM EDT	Special Weather Statement	GSP	Greenwood	37 min
Aug 15, 6:06 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood, Laurens	39 min
Aug 15, 6:16 PM EDT	Special Weather Statement	GSP	Cherokee, Spartanburg, Union	44 min
Aug 15, 6:37 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	38 min
Aug 15, 6:41 PM EDT	Special Weather Statement	GSP	Chester	34 min
Aug 15, 7:09 PM EDT	Special Weather Statement	GSP	Union	36 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2022 Every severe thunderstorm warning in 2022

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.