Alert archive / North Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 98, NWS Greenville-Spartanburg, SC

May 28, 2010Cleveland County, Rutherford County, North Carolina; Cherokee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 28, 2010, 4:28 PM EDT for Cleveland County, Rutherford County, North Carolina; Cherokee County, South Carolina. It was in force for 62 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 28, 2010, 4:28 PM EDT (20:28 UTC)
Expired: May 28, 2010, 5:30 PM EDT
In force: 62 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Cleveland County, NC, Rutherford County, NC, Cherokee County, SC

The radar

The Greer radar (KGSP), 63 km from the middle of the area, began a volume at 20:31 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
May 28, 1:52 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.5 hours before the alert went out and 186 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: 141 J/kg
Mixed-layer CIN: -209 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 28, 2:45 PM EDT, 1 hour 43 minutes earlier.

Area forecast discussion, May 28, 2:45 PM EDT, 1 hour 43 minutes before

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Hazardous weather outlook, May 28, 3:31 PM EDT, 57 minutes before

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In the hours before

Special weather statement, May 28, 11:28 AM EDT, 5 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1128 AM EDT FRI MAY 28 2010

NCZ503>505-281600-
BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
1128 AM EDT FRI MAY 28 2010

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MCDOWELL AND WESTERN
BURKE COUNTIES THROUGH NOON EDT...

AT 1126 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MORGANTON...MOVING NORTHWEST AT 15 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO TABLE
  ROCK...MORGANTON...GLEN ALPINE...WOODLAWN AND ASHFORD.

SMALL HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3581 8164 3565 8175 3569 8186 3572 8187
      3577 8194 3574 8199 3578 8208 3587 8202
      3587 8199 3591 8199 3591 8195 3594 8196
      3597 8194

JPT

Local storm report, May 28, 3:54 PM EDT, 34 minutes before

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Local storm report, May 28, 4:08 PM EDT, 20 minutes before

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Special weather statement, May 28, 4:15 PM EDT, 13 minutes before

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Local storm report, May 28, 4:23 PM EDT, 5 minutes before

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Special weather statement, May 28, 4:23 PM EDT, 5 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
May 28, 8:44 AM EDT	Special Weather Statement	GSP	Rutherford	46 min
May 28, 10:42 AM EDT	Special Weather Statement	GSP	McDowell	33 min
May 28, 11:28 AM EDT	Special Weather Statement	GSP	Burke	32 min
May 28, 11:32 AM EDT	Severe Thunderstorm Warning	GSP	Burke	43 min
May 28, 12:17 PM EDT	Flash Flood Watch	GSP	Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more	16 hr
May 28, 1:06 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon, Swain	27 min
May 28, 1:30 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon, Swain	45 min
May 28, 2:02 PM EDT	Flash Flood Warning	GSP	Jackson	3 hr
May 28, 2:20 PM EDT	Flash Flood Warning	GSP	Macon	2 hr
May 28, 2:48 PM EDT	Flash Flood Warning	GSP	Madison	105 min
May 28, 3:50 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	55 min
May 28, 4:15 PM EDT	Special Weather Statement	GSP	Lincoln	45 min
May 28, 4:23 PM EDT	Special Weather Statement	GSP	Henderson	52 min
May 28, 4:24 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln, Mecklenburg	66 min
May 28, 4:42 PM EDT	Severe Thunderstorm Warning	GSP	Union	63 min
May 28, 4:54 PM EDT	Areal Flood Advisory	GSP	Union	111 min
May 28, 4:54 PM EDT	Special Weather Statement	GSP	Henderson	51 min
May 28, 4:59 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Henderson, Transylvania	46 min
May 28, 5:07 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Catawba, Iredell, Lincoln, Mecklenburg	53 min
May 28, 5:15 PM EDT	Severe Thunderstorm Warning	GSP	Polk, Rutherford	49 min
May 28, 5:18 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	117 min
May 28, 5:24 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell, Rutherford	66 min
May 28, 5:38 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Burke, Caldwell, Catawba	52 min
May 28, 5:54 PM EDT	Severe Thunderstorm Warning	GSP	Iredell, Rowan	66 min
May 28, 6:02 PM EDT	Special Weather Statement	GSP	Cabarrus	43 min
May 28, 6:29 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	61 min
May 28, 7:14 PM EDT	Special Weather Statement	GSP	Buncombe	46 min
May 28, 2:19 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	56 min
May 28, 2:38 PM EDT	Severe Thunderstorm Warning	GSP	Chester, York	67 min
May 28, 3:10 PM EDT	Severe Thunderstorm Warning	GSP	York	46 min
May 28, 5:46 PM EDT	Special Weather Statement	GSP	Greenville	44 min
May 28, 7:04 PM EDT	Special Weather Statement	GSP	Laurens	41 min
May 28, 7:17 PM EDT	Severe Thunderstorm Warning	GSP	Laurens, Spartanburg	58 min
May 28, 7:29 PM EDT	Special Weather Statement	GSP	Anderson	46 min
May 28, 7:33 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Laurens	57 min
May 28, 7:35 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Pickens	55 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2010 Severe Thunderstorm Warnings in South Carolina, 2010 Every severe thunderstorm warning in 2010

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.