Alert archive / North Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 337, NWS Greenville-Spartanburg, SC

July 26, 2010Burke County, Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 26, 2010, 9:22 PM EDT for Burke County, Caldwell County, North Carolina. It was in force for 68 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 26, 2010, 9:22 PM EDT (01:22 UTC)
Expired: Jul 26, 2010, 10:30 PM EDT
In force: 68 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Burke County, NC, Caldwell County, NC

The radar

The Greer radar (KGSP), 120 km from the middle of the area, began a volume at 01:22 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, 1.4 hours before the alert went out and 157 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: 576 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1585 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 Jul 26, 7:33 PM EDT, 1 hour 49 minutes earlier.

Area forecast discussion, Jul 26, 7:33 PM EDT, 1 hour 49 minutes before

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Hazardous weather outlook, Jul 26, 3:31 PM EDT, 5 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
331 PM EDT MON JUL 26 2010

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-271945-
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-
331 PM EDT MON JUL 26 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED ACROSS THE REGION
LATE THIS AFTERNOON INTO THIS EVENING. THE MAIN THREAT FROM THESE
STORMS WILL BE HEAVY RAIN AND FREQUENT LIGHTNING. THUNDERSTORMS
WILL HAVE THE TENDENCY TO AFFECT THE SAME LOCATION MULTIPLE
TIMES...A PROCESS KNOWN AS TRAINING. WHERE THIS OCCURS...THERE
WILL BE A THREAT OF FLASH FLOODING...THOUGH THE DRY GROUND SHOULD
KEEP FLOODING FROM BECOMING WIDESPREAD ENOUGH TO WARRANT A WATCH.
THE STRONGEST STORMS WILL ALSO THE HAVE POTENTIAL TO PRODUCE
DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Local storm report, Jul 26, 6:30 PM EDT, 2 hours 52 minutes before

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Local storm report, Jul 26, 6:46 PM EDT, 2 hours 36 minutes before

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Special weather statement, Jul 26, 7:33 PM EDT, 1 hour 49 minutes before

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Local storm report, Jul 26, 7:42 PM EDT, 1 hour 40 minutes before

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Special weather statement, Jul 26, 7:49 PM EDT, 1 hour 33 minutes before

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Local storm report, Jul 26, 7:53 PM EDT, 1 hour 29 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
Jul 26, 8:36 PM EDT	Special Weather Statement	GSP	Mitchell	39 min
Jul 26, 9:04 PM EDT	Special Weather Statement	GSP	Union	41 min
Jul 26, 9:05 PM EDT	Areal Flood Advisory	GSP	Caldwell	115 min
Jul 26, 9:14 PM EDT	Special Weather Statement	GSP	Burke	46 min
Jul 26, 9:39 PM EDT	Special Weather Statement	GSP	Mitchell	51 min
Jul 26, 9:46 PM EDT	Special Weather Statement	GSP	Union	44 min
Jul 26, 9:56 PM EDT	Severe Thunderstorm Warning	GSP	Avery, Burke, Caldwell, McDowell	41 min
Jul 26, 10:07 PM EDT	Special Weather Statement	GSP	Iredell	53 min
Jul 26, 10:09 PM EDT	Severe Thunderstorm Warning	GSP	Iredell	66 min
Jul 26, 10:16 PM EDT	Special Weather Statement	GSP	Catawba	44 min
Jul 26, 10:41 PM EDT	Areal Flood Advisory	GSP	Catawba, Iredell	109 min
Jul 26, 10:49 PM EDT	Special Weather Statement	GSP	Rowan	41 min
Jul 26, 11:12 PM EDT	Special Weather Statement	GSP	Catawba, Lincoln, Rowan	48 min
Jul 26, 11:33 PM EDT	Special Weather Statement	GSP	Davie, Rowan	42 min
Jul 26, 11:43 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Rowan	33 min
Jul 27, 8:10 AM EDT	Special Weather Statement	GSP	Rowan	50 min
Jul 27, 8:31 AM EDT	Areal Flood Advisory	GSP	Rowan	59 min
Jul 27, 9:06 AM EDT	Areal Flood Advisory	GSP	Cabarrus, Rowan	114 min
Jul 27, 1:13 PM EDT	Severe Thunderstorm Warning	GSP	McDowell	62 min
Jul 27, 1:34 PM EDT	Special Weather Statement	GSP	Transylvania	41 min
Jul 27, 2:12 PM EDT	Severe Thunderstorm Warning	GSP	McDowell, Rutherford	44 min
Jul 27, 2:28 PM EDT	Special Weather Statement	GSP	Henderson	47 min
Jul 27, 2:58 PM EDT	Special Weather Statement	GSP	Polk	47 min
Jul 27, 3:26 PM EDT	Special Weather Statement	GSP	Rutherford	49 min
Jul 27, 3:41 PM EDT	Areal Flood Advisory	GSP	Davie	49 min
Jul 27, 4:00 PM EDT	Special Weather Statement	GSP	Cleveland	45 min
Jul 27, 4:01 PM EDT	Areal Flood Advisory	GSP	Rowan	119 min
Jul 27, 4:28 PM EDT	Special Weather Statement	GSP	Rowan	62 min
Jul 27, 4:50 PM EDT	Special Weather Statement	GSP	Union	40 min
Jul 27, 5:00 PM EDT	Areal Flood Advisory	GSP	Rowan	2 hr
Jul 27, 5:37 PM EDT	Areal Flood Advisory	GSP	Cabarrus, Rowan	113 min
Jul 27, 5:50 PM EDT	Areal Flood Advisory	GSP	Catawba, Lincoln	115 min
Jul 27, 5:56 PM EDT	Areal Flood Advisory	GSP	Iredell	109 min
Jul 27, 6:00 PM EDT	Special Weather Statement	GSP	Cabarrus	45 min
Jul 27, 6:04 PM EDT	Areal Flood Advisory	GSP	Alexander	116 min
Jul 27, 6:19 PM EDT	Flash Flood Warning	GSP	Cabarrus, Mecklenburg	3 hr
Jul 27, 6:24 PM EDT	Flash Flood Watch	GSP	Alexander, Cabarrus, Davie, Iredell, Mecklenburg, Rowan and 1 more	10 hr
Jul 27, 6:26 PM EDT	Flash Flood Warning	GSP	Mecklenburg	3 hr
Jul 27, 6:28 PM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg, Union	62 min
Jul 27, 6:53 PM EDT	Flash Flood Warning	GSP	Iredell	3 hr
Jul 26, 8:15 PM EDT	Special Weather Statement	GSP	Greenwood	30 min
Jul 26, 8:19 PM EDT	Special Weather Statement	GSP	Abbeville	41 min
Jul 27, 2:49 PM EDT	Special Weather Statement	GSP	Spartanburg	41 min
Jul 27, 3:07 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	53 min
Jul 27, 3:53 PM EDT	Areal Flood Advisory	GSP	Greenville, Spartanburg	112 min
Jul 27, 4:24 PM EDT	Special Weather Statement	GSP	Cherokee	51 min
Jul 27, 5:13 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union	38 min
Jul 27, 5:30 PM EDT	Areal Flood Advisory	GSP	Chester, York	2 hr

Nearby

Severe Thunderstorm Warnings in North 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.