Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 39, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 24, 2012, 4:20 PM EDT for Iredell County, Rowan County, North Carolina. It was in force for 55 min. 3 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
- Mar 24, 2012, 4:20 PM EDT (20:20 UTC)
- Expired
- Mar 24, 2012, 5:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Iredell County, NC, Rowan County, NC
The radar
The Greer radar (KGSP), 150 km from the middle of the area, began a volume at 20:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 24, 4:20 PM EDT | HAIL 1 | 4 W Mooresville, NC | QUARTER-SIZED HAIL AT BRAWLEY SCHOOL RD AND WILLIAMSON RD. |
| Mar 24, 4:29 PM EDT | HAIL 1 | Mooresville, NC | |
| Mar 24, 5:05 PM EDT | HAIL 0.75 | 4 N Salisbury, NC | HAIL COVERED THE GROUND. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 24, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.3 hours before the alert went out and 99 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.
- Mixed-layer CAPE
- 226 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
795
WUUS52 KGSP 242020
SVRGSP
NCC097-159-242115-
/O.NEW.KGSP.SV.W.0039.120324T2020Z-120324T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
420 PM EDT SAT MAR 24 2012
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
ROWAN COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
* UNTIL 515 PM EDT
* AT 415 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR LAKE NORMAN...OR 18 MILES SOUTH OF STATESVILLE...AND
MOVING NORTHEAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
MOORESVILLE.
CLEVELAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
LARGE HAIL CAN CAUSE MAJOR PROPERTY DAMAGE...ESPECIALLY TO VEHICLES.
DAMAGING WINDS MAY BLOW DOWN SCATTERED TREES AND POWER LINES. SEEK
SHELTER INSIDE AN INTERIOR ROOM.
TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3550 8081 3551 8082 3551 8088 3558 8094
3559 8093 3561 8094 3562 8093 3564 8095
3584 8063 3568 8036
TIME...MOT...LOC 2020Z 235DEG 18KT 3555 8088
$$
LANE3 follow-up statements
275
WWUS52 KGSP 242041
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
441 PM EDT SAT MAR 24 2012
NCC097-242051-
/O.CAN.KGSP.SV.W.0039.000000T0000Z-120324T2115Z/
IREDELL NC-
441 PM EDT SAT MAR 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN IREDELL COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA.
LAT...LON 3553 8073 3554 8074 3566 8077 3571 8076
3575 8075 3584 8063 3583 8062 3580 8056
3568 8036
TIME...MOT...LOC 2041Z 234DEG 33KT 3565 8071
$$
NCC159-242115-
/O.CON.KGSP.SV.W.0039.000000T0000Z-120324T2115Z/
ROWAN NC-
441 PM EDT SAT MAR 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ROWAN COUNTY
UNTIL 515 PM EDT...
AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THIS STORM WAS LOCATED NEAR MOORESVILLE...OR 14 MILES
SOUTHEAST OF STATESVILLE...MOVING NORTHEAST AT 40 MPH.
THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
CLEVELAND.
SALISBURY.
SPENCER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS ARE CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM.
TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3553 8073 3554 8074 3566 8077 3571 8076
3575 8075 3584 8063 3583 8062 3580 8056
3568 8036
TIME...MOT...LOC 2041Z 234DEG 33KT 3565 8071
$$
LANE915
WWUS52 KGSP 242104
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
504 PM EDT SAT MAR 24 2012
NCC159-242115-
/O.CON.KGSP.SV.W.0039.000000T0000Z-120324T2115Z/
ROWAN NC-
504 PM EDT SAT MAR 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN ROWAN
COUNTY UNTIL 515 PM EDT...
AT 500 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THIS STORM WAS LOCATED NEAR SALISBURY...MOVING EAST AT 30
MPH.
THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
ROWAN COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM IS CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.
TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3562 8053 3566 8059 3570 8063 3574 8064
3580 8056 3568 8036
TIME...MOT...LOC 2104Z 253DEG 27KT 3571 8047
$$
LANE049
WWUS52 KGSP 242116
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
516 PM EDT SAT MAR 24 2012
NCC159-242126-
/O.EXP.KGSP.SV.W.0039.000000T0000Z-120324T2115Z/
ROWAN NC-
516 PM EDT SAT MAR 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ROWAN COUNTY HAS
EXPIRED...
THE STORM WHICH PROMPTED THE WARNING IS MOVING OUT OF THIS AREA.
LAT...LON 3562 8053 3566 8059 3570 8063 3574 8064
3580 8056 3568 8036
TIME...MOT...LOC 2104Z 253DEG 27KT 3571 8047
$$
LANEThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 6:33 AM EDT | Severe Thunderstorm Warning | GSP | Jackson, Macon, Transylvania | 57 min |
| Mar 24, 7:29 AM EDT | Severe Thunderstorm Warning | GSP | Henderson, Polk, Transylvania | 26 min |
| Mar 24, 7:50 AM EDT | Special Weather Statement | GSP | Mitchell | 40 min |
| Mar 24, 8:05 AM EDT | Special Weather Statement | GSP | Henderson, Transylvania | 40 min |
| Mar 24, 8:23 AM EDT | Special Weather Statement | GSP | Cabarrus | 52 min |
| Mar 24, 8:27 AM EDT | Special Weather Statement | GSP | Union | 48 min |
| Mar 24, 9:01 AM EDT | Special Weather Statement | GSP | Burke | 44 min |
| Mar 24, 10:23 AM EDT | Special Weather Statement | GSP | Burke | 37 min |
| Mar 24, 11:02 AM EDT | Special Weather Statement | GSP | Rutherford | 43 min |
| Mar 24, 12:34 PM EDT | Special Weather Statement | GSP | McDowell | 41 min |
| Mar 24, 12:40 PM EDT | Special Weather Statement | GSP | Yancey | 50 min |
| Mar 24, 12:44 PM EDT | Severe Thunderstorm Warning | GSP | Burke, McDowell, Mitchell | 46 min |
| Mar 24, 1:18 PM EDT | Special Weather Statement | GSP | Avery | 42 min |
| Mar 24, 1:28 PM EDT | Special Weather Statement | GSP | Caldwell | 47 min |
| Mar 24, 2:23 PM EDT | Special Weather Statement | GSP | Iredell | 52 min |
| Mar 24, 3:17 PM EDT | Special Weather Statement | GSP | Gaston | 43 min |
| Mar 24, 3:28 PM EDT | Special Weather Statement | GSP | Davie | 47 min |
| Mar 24, 3:46 PM EDT | Severe Thunderstorm Warning | GSP | Catawba, Gaston, Iredell, Lincoln, Mecklenburg | 44 min |
| Mar 24, 3:52 PM EDT | Severe Thunderstorm Warning | GSP | Gaston, Mecklenburg | 36 min |
| Mar 24, 4:16 PM EDT | Special Weather Statement | GSP | Gaston | 44 min |
| Mar 24, 4:30 PM EDT | Severe Thunderstorm Warning | GSP | Davie | 45 min |
| Mar 24, 4:42 PM EDT | Special Weather Statement | GSP | Mecklenburg | 48 min |
| Mar 24, 4:55 PM EDT | Special Weather Statement | GSP | Lincoln | 35 min |
| Mar 24, 4:57 PM EDT | Special Weather Statement | GSP | Mecklenburg | 33 min |
| Mar 24, 5:07 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 53 min |
| Mar 24, 5:20 PM EDT | Special Weather Statement | GSP | Rowan | 40 min |
| Mar 24, 5:21 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Rowan | 43 min |
| Mar 24, 5:51 PM EDT | Special Weather Statement | GSP | Union | 39 min |
| Mar 24, 6:06 PM EDT | Special Weather Statement | GSP | Rowan | 24 min |
| Mar 24, 6:18 PM EDT | Severe Thunderstorm Warning | GSP | Union | 27 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.