Alert archive / South Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 71, NWS Columbia, SC

June 11, 2007Lancaster County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 11, 2007, 1:16 PM EDT for Lancaster County, South Carolina. It was in force for 44 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 11, 2007, 1:16 PM EDT (17:16 UTC)
Expired: Jun 11, 2007, 2:00 PM EDT
In force: 44 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

County Lancaster County, SC

The radar

The Columbia radar (KCAE), 106 km from the middle of the area, began a volume at 17:16 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.

What was reported inside it

Time	Report	Where	Remark
Jun 11, 1:30 PM EDT	HAIL 1.75	12 Nnw Lancaster, SC	GOLF BALL SIZE HAIL AT INDIAN LAND.
Jun 11, 1:40 PM EDT	TSTM WND DMG	8 Nnw Lancaster, SC	TREES DOWN POWER OUT IN VAN WYCK AREA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.3 hours before the alert went out and 156 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: 458 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 623 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KCAE 111716
SVRCAE
SCC057-111800-
/O.NEW.KCAE.SV.W.0071.070611T1716Z-070611T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
116 PM EDT MON JUN 11 2007

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN LANCASTER COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 200 PM EDT

* AT 115 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED OVER
  LANCASTER COUNTY...OR ABOUT 11 MILES EAST OF ROCK HILL...AND MOVING
  SOUTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1, 800, 7
7 5, 7 1 9 9.

LAT...LON 3499 8084 3490 8089 3469 8072 3467 8047
      3481 8055 3482 8080 3494 8078

$$

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 2:03 PM EDT	Severe Thunderstorm Warning	CAE	Lancaster	42 min
Jun 11, 2:50 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw	55 min
Jun 11, 3:37 PM EDT	Tornado Warning	CAE	Fairfield	38 min
Jun 11, 4:12 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield	33 min
Jun 11, 4:16 PM EDT	Severe Thunderstorm Warning	CAE	Lee	44 min
Jun 11, 4:26 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Richland	34 min
Jun 11, 4:56 PM EDT	Severe Thunderstorm Warning	CAE	Barnwell	49 min
Jun 11, 5:42 PM EDT	Severe Thunderstorm Warning	CAE	Sumter	35 min
Jun 11, 5:48 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	42 min
Jun 11, 6:00 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg	30 min
Jun 11, 6:11 PM EDT	Severe Thunderstorm Warning	CAE	Orangeburg	34 min
Jun 11, 6:37 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg	14 min
Jun 11, 6:40 PM EDT	Severe Thunderstorm Warning	CAE	Orangeburg	50 min
Jun 11, 6:57 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland	48 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2007 Every severe thunderstorm warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.