Alert archive / North Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 72, NWS Greenville-Spartanburg, SC

May 16, 2010Alexander County, Catawba County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 16, 2010, 2:55 PM EDT for Alexander County, Catawba County, Iredell County, North Carolina. It was in force for 65 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 16, 2010, 2:55 PM EDT (18:55 UTC)
Expired: May 16, 2010, 4:00 PM EDT
In force: 65 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Alexander County, NC, Catawba County, NC, Iredell County, NC

The radar

The Greer radar (KGSP), 144 km from the middle of the area, began a volume at 18:55 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 12:00Z, 6.9 hours before the alert went out and 111 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: 129 J/kg
Mixed-layer CIN: -178 J/kg
Mixed-layer LCL: 1141 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 50 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 May 16, 2:51 PM EDT, 4 minutes earlier.

Area forecast discussion, May 16, 2:51 PM EDT, 4 minutes before

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Hazardous weather outlook, May 16, 3:28 AM EDT, 11 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
328 AM EDT SUN MAY 16 2010

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-170730-
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-
328 AM EDT SUN MAY 16 2010

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

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING. SOME STORMS
WILL BECOME SEVERE WITH DAMAGING WIND AND LARGE HAIL. SLOW MOVING
STORMS COULD PRODUCE AREAS OF EXCESSIVE RAINFALL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS ARE EXPECTED AGAIN MONDAY. SOME OF THESE STORMS COULD
ALSO BECOME SEVERE WITH DAMAGING WIND AND LARGE HAIL. SEVERAL OF
THE STORMS WILL PRODUCE VERY HEAVY RAINFALL...POSSIBLY RESULTING
IN AREAS OF FLASH FLOODING.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, May 16, 1:13 PM EDT, 1 hour 42 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
113 PM EDT SUN MAY 16 2010

NCZ069-070-161745-
GASTON-LINCOLN-
113 PM EDT SUN MAY 16 2010

...A STRONG THUNDERSTORM WILL AFFECT LINCOLN AND WESTERN GASTON
COUNTIES THROUGH 145 PM EDT...

AT 110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES EAST OF CHERRYVILLE...OR 9 MILES
SOUTHWEST OF LINCOLNTON...MOVING NORTHEAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  LINCOLNTON...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

LAT...LON 3516 8124 3531 8137 3533 8136 3536 8141
      3540 8144 3556 8132 3554 8096

NED

Special weather statement, May 16, 1:56 PM EDT, 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
156 PM EDT SUN MAY 16 2010

NCZ069>071-161830-
GASTON-LINCOLN-MECKLENBURG-
156 PM EDT SUN MAY 16 2010

...STRONG THUNDERSTORMS WILL AFFECT GASTON...LINCOLN AND WESTERN
MECKLENBURG COUNTIES THROUGH 230 PM EDT...

AT 152 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM LINCOLNTON TO
LOWELL...MOVING EAST AT 10 MPH.

THESE STORMS WILL BE NEAR...
  BELMONT...
  BOGER CITY...
  IRON STATION...
  MOUNT HOLLY...
  PAW CREEK...

MOTHBALL SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH
THESE STORMS.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

LAT...LON 3554 8096 3519 8089 3516 8122 3552 8139

NED

Special weather statement, May 16, 1:58 PM EDT, 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
158 PM EDT SUN MAY 16 2010

GAZ028-SCZ004>006-010-011-161845-
ABBEVILLE-ANDERSON-GREATER GREENVILLE-GREATER OCONEE-GREATER
PICKENS-HART-
158 PM EDT SUN MAY 16 2010

...STRONG THUNDERSTORMS WILL AFFECT ANDERSON...NORTHERN ABBEVILLE...
NORTHERN HART...SOUTHEASTERN OCONEE...SOUTHERN GREENVILLE AND
SOUTHERN PICKENS COUNTIES THROUGH 245 PM EDT...

AT 156 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES EAST OF FAIR
PLAY TO 7 MILES WEST OF BROADWAY LAKE TO ANTREVILLE...MOVING
NORTHEAST AT 20 MPH.

PEOPLE IN ANDERSON...NORTHERN ABBEVILLE...NORTHERN HART...
SOUTHEASTERN OCONEE...SOUTHERN GREENVILLE AND SOUTHERN PICKENS
COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...

ANTREVILLE...SECESSION LAKE...FAIR PLAY...REED CREEK...IVA...BROADWAY
LAKE...ANDERSON...DUE WEST...SANDY SPRINGS AND PENDLETON...

SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH
THESE STORMS.

LAT...LON 3436 8276 3448 8306 3449 8306 3450 8307
      3451 8307 3482 8274 3469 8240 3454 8222
      3448 8231 3442 8226 3418 8254

RWH

Special weather statement, May 16, 2:01 PM EDT, 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
201 PM EDT SUN MAY 16 2010

NCZ071-161830-
MECKLENBURG-
201 PM EDT SUN MAY 16 2010

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL MECKLENBURG COUNTY
THROUGH 230 PM EDT...

AT 156 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF UNC CHARLOTTE...MOVING NORTHEAST
AT 10 MPH.

THIS STORM WILL BE NEAR...
  UNC CHARLOTTE...

PEA SIZE HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

LAT...LON 3517 8077 3530 8093 3542 8076 3540 8076
      3537 8073 3529 8066 3527 8066

NED

Special weather statement, May 16, 2:22 PM EDT, 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
222 PM EDT SUN MAY 16 2010

NCZ069>072-161900-
CABARRUS-GASTON-LINCOLN-MECKLENBURG-
222 PM EDT SUN MAY 16 2010

...A STRONG THUNDERSTORM WILL AFFECT EASTERN GASTON...NORTHERN
MECKLENBURG...NORTHWESTERN CABARRUS AND SOUTHEASTERN LINCOLN COUNTIES
THROUGH 300 PM EDT...

AT 217 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR MOUNT HOLLY...OR 8 MILES EAST OF GASTONIA...
MOVING NORTHEAST AT 15 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO I-77 AT
  I-85...CHARLOTTE MOTOR SPEEDWAY...MOUNTAIN ISLAND LAKE...
  LOWESVILLE...UNC CHARLOTTE...PAW CREEK...HUNTERSVILLE...DAVIDSON...
  CROFT...CORNELIUS...HARRISBURG...STANLEY...RANLO...MOUNT HOLLY...
  MCADENVILLE...LUCIA...LOWELL...CRAMERTON AND BELMONT.

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

LAT...LON 3516 8101 3528 8118 3553 8096 3551 8095
      3550 8080 3536 8055

07

Special weather statement, May 16, 2:25 PM EDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
225 PM EDT SUN MAY 16 2010

NCZ056-069-161915-
CATAWBA-LINCOLN-
225 PM EDT SUN MAY 16 2010

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL LINCOLN AND EASTERN
CATAWBA COUNTIES THROUGH 315 PM EDT...

AT 222 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LINCOLNTON...MOVING NORTHEAST AT 15 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO TERRELL...
  NEWTON...MAIDEN...CLAREMONT...CATAWBA...LINCOLNTON...DENVER AND
  BOGER CITY.

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

LAT...LON 3574 8107 3571 8105 3571 8102 3567 8097
      3563 8093 3559 8094 3540 8121 3541 8126
      3551 8139 3578 8113

07

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 8:48 PM EDT	Special Weather Statement	GSP	Catawba, Iredell	42 min
May 15, 9:08 PM EDT	Special Weather Statement	GSP	Iredell	52 min
May 15, 9:14 PM EDT	Special Weather Statement	GSP	Henderson	46 min
May 15, 10:39 PM EDT	Special Weather Statement	GSP	Transylvania	51 min
May 15, 11:16 PM EDT	Special Weather Statement	GSP	Henderson	44 min
May 16, 12:58 AM EDT	Special Weather Statement	GSP	Burke	47 min
May 16, 1:13 PM EDT	Special Weather Statement	GSP	Gaston, Lincoln	32 min
May 16, 1:56 PM EDT	Special Weather Statement	GSP	Gaston, Lincoln	34 min
May 16, 2:01 PM EDT	Special Weather Statement	GSP	Mecklenburg	29 min
May 16, 2:22 PM EDT	Special Weather Statement	GSP	Mecklenburg	38 min
May 16, 2:25 PM EDT	Special Weather Statement	GSP	Catawba, Lincoln	50 min
May 16, 2:38 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Gaston, Iredell, Mecklenburg, Rowan	67 min
May 16, 3:17 PM EDT	Flash Flood Watch	GSP	Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 21 more	32 hr
May 16, 3:45 PM EDT	Special Weather Statement	GSP	Alexander	45 min
May 16, 3:46 PM EDT	Special Weather Statement	GSP	Cabarrus	44 min
May 16, 3:58 PM EDT	Special Weather Statement	GSP	Madison	47 min
May 16, 4:02 PM EDT	Special Weather Statement	GSP	Henderson, Transylvania	43 min
May 16, 4:33 PM EDT	Special Weather Statement	GSP	Rutherford	42 min
May 16, 5:13 PM EDT	Special Weather Statement	GSP	Union	47 min
May 16, 5:27 PM EDT	Special Weather Statement	GSP	McDowell	48 min
May 16, 5:31 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Lincoln	59 min
May 16, 5:48 PM EDT	Special Weather Statement	GSP	Burke	42 min
May 16, 5:52 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Caldwell, Catawba, Cleveland	53 min
May 16, 6:01 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Caldwell	44 min
May 16, 6:13 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Lincoln	52 min
May 16, 6:51 PM EDT	Special Weather Statement	GSP	Alexander, Caldwell	39 min
May 16, 7:07 PM EDT	Special Weather Statement	GSP	Iredell	38 min
May 16, 1:58 PM EDT	Special Weather Statement	GSP	Anderson	47 min
May 16, 2:39 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Pickens	66 min
May 16, 3:24 PM EDT	Special Weather Statement	GSP	Union	51 min
May 16, 4:25 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	65 min
May 16, 5:08 PM EDT	Special Weather Statement	GSP	Chester	52 min
May 16, 5:36 PM EDT	Special Weather Statement	GSP	Laurens	39 min
May 16, 6:05 PM EDT	Special Weather Statement	GSP	Union	40 min
May 16, 6:38 PM EDT	Special Weather Statement	GSP	Union	52 min
May 16, 7:12 PM EDT	Special Weather Statement	GSP	Union	48 min
May 16, 7:46 PM EDT	Special Weather Statement	GSP	Cherokee	44 min
May 16, 7:50 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Union, York	55 min
May 15, 9:34 PM EDT	Special Weather Statement	GSP	Habersham, Stephens	41 min

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.