Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 76, NWS Greenville-Spartanburg, SC

May 27, 20224 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 27, 2022, 5:19 AM EDT for 4 counties in North Carolina. It was in force for 26 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: May 27, 2022, 5:19 AM EDT (09:19 UTC)
Expired: May 27, 2022, 5:45 AM EDT
In force: 26 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cabarrus County, NC, Iredell County, NC, Mecklenburg County, NC, Rowan County, NC

The radar

The Greer radar (KGSP), 156 km from the middle of the area, began a volume at 09:22 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, 9.3 hours before the alert went out and 95 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: 472 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 815 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

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 May 27, 3:23 AM EDT, 1 hour 56 minutes earlier.

Area forecast discussion, May 27, 3:23 AM EDT, 1 hour 56 minutes before

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Hazardous weather outlook, May 27, 4:01 AM EDT, 1 hour 18 minutes before

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In the hours before

Special weather statement, May 27, 12:12 AM EDT, 5 hours 7 minutes before

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Special weather statement, May 27, 2:39 AM EDT, 2 hours 40 minutes before

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Special weather statement, May 27, 2:52 AM EDT, 2 hours 27 minutes before

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Special weather statement, May 27, 4:34 AM EDT, 45 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
434 AM EDT Fri May 27 2022

SCZ014-270900-
Chester SC-
434 AM EDT Fri May 27 2022

...A strong thunderstorm will impact portions of southeastern Chester
County through 500 AM EDT...

At 434 AM EDT, Doppler radar was tracking a strong thunderstorm 8
miles north of Winnsboro, or 7 miles southeast of Blackstock, moving
northeast at 35 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...
Great Falls, Fort Lawn and Fishing Creek Reservoir.

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 3467 8089 3463 8090 3462 8089 3460 8089
      3458 8088 3455 8087 3454 8088 3455 8110
      3479 8088 3475 8088 3470 8086
TIME...MOT...LOC 0834Z 218DEG 31KT 3448 8104

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

ARK

Special weather statement, May 27, 4:44 AM EDT, 35 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
444 AM EDT Fri May 27 2022

NCZ036-056-069>071-SCZ009-014-270930-
Gaston NC-Iredell NC-Lincoln NC-Mecklenburg NC-Catawba NC-York SC-
Chester SC-
444 AM EDT Fri May 27 2022

...Strong thunderstorms will impact portions of southeastern Catawba,
eastern Lincoln, southeastern Iredell, western Mecklenburg, eastern
Gaston, northeastern Chester and York Counties through 530 AM EDT...

At 444 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles east of Lincolnton to near Chester.
Movement was east at 25 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Gastonia, Rock Hill, Uptown Charlotte, Huntersville, York, Chester,
Central Charlotte, Southwest Charlotte, Northwest Charlotte and
Cornelius.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3502 8086 3508 8091 3501 8091 3495 8087
      3477 8090 3465 8132 3559 8113 3567 8077
      3563 8076
TIME...MOT...LOC 0844Z 262DEG 23KT 3553 8108 3473 8124

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

ARK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 8:18 PM EDT	River Flood Advisory	GSP	Buncombe, Henderson	4 days
May 26, 8:45 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Davie, Gaston, Iredell, Lincoln, Mecklenburg and 1 more	60 min
May 26, 9:06 PM EDT	Areal Flood Advisory	GSP	Macon	18 hr
May 26, 9:16 PM EDT	River Flood Warning	GSP	Swain	23 hr
May 26, 9:56 PM EDT	Areal Flood Advisory	GSP	Haywood	10 hr
May 26, 10:19 PM EDT	Areal Flood Warning	GSP	Jackson, Transylvania	15 hr
May 26, 10:32 PM EDT	Areal Flood Warning	GSP	Henderson	11 hr
May 27, 12:12 AM EDT	Special Weather Statement	GSP	Iredell	48 min
May 27, 1:02 AM EDT	Areal Flood Warning	GSP	Jackson	12 hr
May 27, 2:39 AM EDT	Special Weather Statement	GSP	Gaston	36 min
May 27, 4:41 AM EDT	River Flood Advisory	GSP	Buncombe	16 hr
May 27, 4:41 AM EDT	River Flood Advisory	GSP	Madison	9 hr
May 27, 4:44 AM EDT	Special Weather Statement	GSP	Gaston, Mecklenburg	46 min
May 27, 5:20 AM EDT	River Flood Advisory	GSP	Madison	9 hr
May 27, 5:29 AM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg, Rowan	46 min
May 27, 5:34 AM EDT	Areal Flood Advisory	GSP	Burke	11 hr
May 27, 5:53 AM EDT	Special Weather Statement	GSP	Union	37 min
May 27, 2:52 AM EDT	Special Weather Statement	GSP	Greenwood	23 min
May 27, 4:34 AM EDT	Special Weather Statement	GSP	Chester	26 min
May 27, 10:31 AM EDT	Flash Flood Warning	GSP	Rabun	13 hr

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.