Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

September 2, 2012Alexander County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Sep 2, 2012, 4:20 PM EDT for Alexander County, North Carolina. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 2, 2012, 4:20 PM EDT (20:20 UTC)
Expired: Sep 2, 2012, 5:00 PM EDT
In force: 40 min
Issued by: NWS Greenville-Spartanburg, SC

County Alexander County, NC

The radar

The Roanoke radar (KFCX), 145 km from the middle of the area, began a volume at 20:21 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, 8.3 hours before the alert went out and 119 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: 812 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1077 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Sep 2, 2:18 PM EDT, 2 hours 2 minutes earlier.

Area forecast discussion, Sep 2, 2:18 PM EDT, 2 hours 2 minutes before

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Hazardous weather outlook, Sep 2, 6:03 AM EDT, 10 hours 17 minutes before

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In the hours before

Special weather statement, Sep 2, 3:02 PM EDT, 1 hour 18 minutes before

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Special weather statement, Sep 2, 3:09 PM EDT, 1 hour 11 minutes before

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Special weather statement, Sep 2, 3:30 PM EDT, 50 minutes before

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Special weather statement, Sep 2, 4:05 PM EDT, 15 minutes before

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Special weather statement, Sep 2, 4:07 PM EDT, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
407 PM EDT SUN SEP 2 2012

NCZ035-501-502-022100-
ALEXANDER-CALDWELL MOUNTAINS-GREATER CALDWELL-
407 PM EDT SUN SEP 2 2012

...A STRONG THUNDERSTORM WILL AFFECT CALDWELL AND NORTHWESTERN
ALEXANDER COUNTIES THROUGH 500 PM EDT...

AT 403 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LENOIR...MOVING NORTHEAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  PATTERSON...
  KINGS CREEK...

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

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

LAT...LON 3610 8146 3608 8144 3608 8142 3600 8132
      3603 8127 3604 8121 3604 8118 3579 8153
      3591 8169 3611 8150

ARK

Special weather statement, Sep 2, 4:20 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
420 PM EDT SUN SEP 2 2012

NCZ035-022100-
ALEXANDER-
420 PM EDT SUN SEP 2 2012

...A STRONG THUNDERSTORM WILL AFFECT ALEXANDER COUNTY THROUGH 500 PM
EDT...

AT 419 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR ELLENDALE...OR 6 MILES WEST OF
TAYLORSVILLE...MOVING NORTHEAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  TAYLORSVILLE...

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

LAT...LON 3604 8104 3581 8122 3581 8125 3585 8134
      3589 8133 3592 8135 3599 8133 3601 8131
      3604 8121 3603 8108 3605 8104

ARK

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 2, 2:04 PM EDT	Areal Flood Advisory	GSP	Henderson, McDowell, Polk, Rutherford	86 min
Sep 2, 4:07 PM EDT	Special Weather Statement	GSP	Caldwell	53 min
Sep 2, 4:35 PM EDT	Special Weather Statement	GSP	Gaston	40 min
Sep 2, 4:42 PM EDT	Special Weather Statement	GSP	Iredell	48 min
Sep 2, 5:09 PM EDT	Special Weather Statement	GSP	Mecklenburg	36 min
Sep 2, 5:36 PM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg	24 min
Sep 2, 5:43 PM EDT	Severe Thunderstorm Warning	GSP	Davie	32 min
Sep 2, 5:48 PM EDT	Special Weather Statement	GSP	Iredell	27 min
Sep 2, 6:02 PM EDT	Special Weather Statement	GSP	Rowan	43 min
Sep 2, 6:42 PM EDT	Special Weather Statement	GSP	Union	48 min
Sep 2, 3:09 PM EDT	Special Weather Statement	GSP	Laurens, Spartanburg	51 min
Sep 2, 3:30 PM EDT	Special Weather Statement	GSP	Greenwood	45 min
Sep 2, 4:05 PM EDT	Special Weather Statement	GSP	York	40 min

Nearby

Special Weather Statements in North Carolina, 2012 Every special weather statement in 2012

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.