Alert archive / North Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 4, NWS Greenville-Spartanburg, SC

January 24, 2010Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jan 24, 2010, 11:45 PM EST for Rowan County, North Carolina. It was in force for 45 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: Jan 24, 2010, 11:45 PM EST (04:45 UTC)
Expired: Jan 25, 2010, 12:30 AM EST
In force: 45 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

County Rowan County, NC

The radar

The Roanoke radar (KFCX), 156 km from the middle of the area, began a volume at 04:45 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
Jan 24, 11:33 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.8 hours before the alert went out and 75 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: 266 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 491 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 402 m²/s²
0-3 km storm-relative helicity: 421 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.2

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 Jan 24, 11:45 PM EST, 0 minutes earlier.

Area forecast discussion, Jan 24, 11:45 PM EST, 0 minutes before

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Hazardous weather outlook, Jan 24, 11:37 PM EST, 8 minutes before

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In the hours before

Local storm report, Jan 24, 10:32 PM EST, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1032 PM EST SUN JAN 24 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1009 PM     FLASH FLOOD      ANDERSON                34.52N 82.65W
01/24/2010                   ANDERSON           SC   LAW ENFORCEMENT

            U.S. HIGHWAY 29 CLOSED IN ANDERSON NEAR ANDERSON
            INDEPENDENT MAIL DUE TO FLOODING.

&&

HG

Local storm report, Jan 24, 10:33 PM EST, 1 hour 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1033 PM EST SUN JAN 24 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0946 PM     FLASH FLOOD      GREER                   34.94N 82.23W
01/24/2010                   GREENVILLE         SC   LAW ENFORCEMENT

            ROADWAY CLOSED AT BOILING SPRINGS ROAD AND SUGAR CREEK
            DUE TO FLOODING.

&&

HG

Local storm report, Jan 24, 10:35 PM EST, 1 hour 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1035 PM EST SUN JAN 24 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0941 PM     FLASH FLOOD      GREER                   34.94N 82.23W
01/24/2010                   GREENVILLE         SC   LAW ENFORCEMENT

            MOUNT LEBANON CHURCH ROAD CLOSED DUE TO FLOODING.

0921 PM     FLASH FLOOD      ANDERSON                34.52N 82.65W
01/24/2010                   ANDERSON           SC   LAW ENFORCEMENT

            WELPINE DRIVE CLOSED AT MARET ROAD DUE TO FLOODING.

&&

HG

Local storm report, Jan 24, 10:50 PM EST, 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1050 PM EST SUN JAN 24 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1030 PM     FLASH FLOOD      NEWTON                  35.67N 81.22W
01/24/2010                   CATAWBA            NC   AMATEUR RADIO

            ROADS CLOSED DUE TO FLOODING AT LITTLE MOUNTAIN
            ROAD...EAST SANDYES CROSSROADS...AND ROCKY FORD ROAD AT
            THE BRIDGE.

&&

HG

Special weather statement, Jan 24, 11:02 PM EST, 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1102 PM EST SUN JAN 24 2010

NCZ057-071-072-250445-
CABARRUS-MECKLENBURG-ROWAN-
1102 PM EST SUN JAN 24 2010

...STRONG THUNDERSTORMS WILL AFFECT EASTERN MECKLENBURG...
NORTHWESTERN CABARRUS AND ROWAN COUNTIES THROUGH 1145 PM EST...

AT 1101 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES WEST OF
ENOCHVILLE TO 3 MILES NORTH OF UNC CHARLOTTE TO 3 MILES SOUTHEAST OF
PINEVILLE...MOVING NORTHEAST AT 65 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LOWES MOTOR
  SPEEDWAY...HIGH ROCK LAKE...SPENCER...SALISBURY...ROCKWELL...
  LANDIS...GRANITE QUARRY...FAITH...ENOCHVILLE...CRAVEN...CHINA
  GROVE...SOUTHPARK MALL...EASTLAND MALL...UNC CHARLOTTE...
  KANNAPOLIS...HARRISBURG AND CONCORD.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

BSH

Local storm report, Jan 24, 11:27 PM EST, 18 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
Jan 24, 7:32 PM EST	Flash Flood Warning	GSP	Avery, Burke, Caldwell, McDowell, Polk, Rutherford	6 hr
Jan 24, 7:50 PM EST	Flash Flood Warning	GSP	Cleveland	6 hr
Jan 24, 8:11 PM EST	Flash Flood Warning	GSP	Alexander, Catawba, Lincoln	6 hr
Jan 24, 8:46 PM EST	Flash Flood Warning	GSP	Iredell	6 hr
Jan 24, 8:57 PM EST	Flash Flood Warning	GSP	Gaston	6 hr
Jan 24, 9:13 PM EST	Areal Flood Warning	GSP	Graham, Swain	5 hr
Jan 24, 10:44 PM EST	Flash Flood Warning	GSP	Mecklenburg	6 hr
Jan 24, 11:11 PM EST	Flash Flood Warning	GSP	Cabarrus, Davie, Rowan	6 hr
Jan 24, 11:22 PM EST	Areal Flood Warning	GSP	Henderson, Transylvania	3 hr
Jan 24, 11:24 PM EST	Tornado Warning	GSP	Mecklenburg, Union	23 min
Jan 25, 12:17 AM EST	Areal Flood Advisory	GSP	Union	3 hr
Jan 25, 12:52 AM EST	Areal Flood Warning	GSP	Burke, Caldwell, McDowell	3 hr
Jan 25, 1:00 AM EST	Areal Flood Warning	GSP	Polk, Rutherford	3 hr
Jan 25, 1:48 AM EST	Areal Flood Warning	GSP	Cleveland	3 hr
Jan 25, 1:52 AM EST	River Flood Warning	GSP	Cleveland	26 hr
Jan 25, 2:41 AM EST	Areal Flood Warning	GSP	Iredell	3 hr
Jan 25, 2:56 AM EST	Areal Flood Warning	GSP	Lincoln	3 hr
Jan 25, 4:43 AM EST	Winter Weather Advisory	GSP	Avery, Buncombe, Graham, Haywood, Jackson, Madison and 3 more	43 hr
Jan 25, 4:45 AM EST	Areal Flood Warning	GSP	Mecklenburg	3 hr
Jan 25, 5:10 AM EST	Areal Flood Warning	GSP	Cabarrus, Rowan	3 hr
Jan 25, 5:50 AM EST	Areal Flood Warning	GSP	Catawba, Iredell	3 hr
Jan 25, 6:04 AM EST	Areal Flood Warning	GSP	Lincoln	3 hr
Jan 25, 7:56 AM EST	Areal Flood Warning	GSP	Alexander, Burke, Cabarrus, Caldwell, Catawba, Davie and 6 more	6 hr
Jan 25, 8:44 AM EST	Areal Flood Advisory	GSP	Henderson, Polk, Rutherford, Transylvania	5 hr
Jan 25, 3:05 PM EST	River Flood Warning	GSP	Buncombe	5 hr
Jan 24, 7:18 PM EST	Severe Thunderstorm Warning	GSP	Anderson, Oconee, Pickens	42 min
Jan 24, 7:21 PM EST	Tornado Warning	GSP	Anderson, Oconee, Pickens	24 min
Jan 24, 7:58 PM EST	Flash Flood Warning	GSP	Abbeville, Anderson	6 hr
Jan 24, 8:38 PM EST	Flash Flood Warning	GSP	Greenville, Laurens, Spartanburg	6 hr
Jan 24, 10:03 PM EST	Areal Flood Advisory	GSP	Greenwood, Laurens	3 hr
Jan 24, 10:09 PM EST	River Flood Warning	GSP	Anderson, Greenville	14 hr
Jan 24, 10:33 PM EST	Flash Flood Warning	GSP	Cherokee, Union	6 hr
Jan 24, 10:51 PM EST	Severe Thunderstorm Warning	GSP	Cherokee, Laurens, Spartanburg, Union	24 min
Jan 24, 11:05 PM EST	Tornado Warning	GSP	Cherokee, Chester, Union, York	40 min
Jan 24, 11:07 PM EST	Areal Flood Warning	GSP	Oconee, Pickens	113 min
Jan 25, 12:10 AM EST	Areal Flood Warning	GSP	Greenville	110 min
Jan 25, 1:52 AM EST	River Flood Warning	GSP	Cherokee, York	32 hr
Jan 25, 2:28 AM EST	Areal Flood Warning	GSP	Greenville, Laurens, Spartanburg	3 hr
Jan 25, 5:40 AM EST	Areal Flood Warning	GSP	Greenville, Spartanburg	3 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.