Alert archive / North Carolina / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 39, NWS Greenville-Spartanburg, SC

May 2, 2016Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 2, 2016, 6:47 PM EDT for Madison County, North Carolina. It was in force for 43 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: May 2, 2016, 6:47 PM EDT (22:47 UTC)
Expired: May 2, 2016, 7:30 PM EDT
In force: 43 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Madison County, NC

The radar

The Knoxville radar (KMRX), 72 km from the middle of the area, began a volume at 22:50 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
May 2, 2:17 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.8 hours before the alert went out and 249 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: 670 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 787 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

052 
WUUS52 KGSP 022247
SVRGSP
NCC115-022330-
/O.NEW.KGSP.SV.W.0039.160502T2247Z-160502T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
647 PM EDT MON MAY 2 2016

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 730 PM EDT

* AT 646 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES NORTHWEST
  OF MARSHALL...OR OVER HOT SPRINGS...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  MARSHALL...MARS HILL...HOT SPRINGS...SPRING CREEK...WOLF RIDGE...WALNUT...
  FAUST...ALLENSTAND AND LUCK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SCATTERED TREES AND POWER LINES WILL BE BLOWN DOWN IN THE WARNED
AREA. SEEK SHELTER INSIDE AN INTERIOR ROOM.

THIS STORMS IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL. FLOODING OF
DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. SMALL STREAMS WILL
RISE RAPIDLY. DO NOT DRIVE THROUGH AREAS WHERE WATER IS FLOWING OVER
THE ROAD.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE-SPARTANBURG BY CALLING TOLL FREE...1...800...
2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET IT USING
HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND THE
SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3603 8259 3597 8261 3595 8256 3598 8251
      3595 8248 3591 8249 3590 8245 3586 8242
      3581 8241 3580 8252 3573 8268 3574 8291
      3587 8292 3588 8290 3593 8292 3595 8287
      3593 8281 3597 8278 3600 8278 3606 8264
TIME...MOT...LOC 2246Z 267DEG 24KT 3589 8283 

HAIL...1.00IN
WIND...60MPH
 
$$

HG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 8:27 PM EDT	Special Weather Statement	GSP	Cabarrus	33 min
May 1, 8:31 PM EDT	Special Weather Statement	GSP	Macon	29 min
May 1, 9:22 PM EDT	Flash Flood Warning	GSP	Mecklenburg	6 hr
May 1, 9:45 PM EDT	Special Weather Statement	GSP	Gaston	30 min
May 1, 11:19 PM EDT	Special Weather Statement	GSP	Davie	26 min
May 2, 12:32 AM EDT	Special Weather Statement	GSP	Mecklenburg	43 min
May 2, 1:19 AM EDT	Special Weather Statement	GSP	Union	56 min
May 2, 1:29 PM EDT	Special Weather Statement	GSP	Union	31 min
May 2, 2:12 PM EDT	Special Weather Statement	GSP	Union	48 min
May 2, 2:22 PM EDT	Special Weather Statement	GSP	McDowell	38 min
May 2, 2:25 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, McDowell	50 min
May 2, 2:37 PM EDT	Special Weather Statement	GSP	Avery	23 min
May 2, 2:39 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	51 min
May 2, 2:59 PM EDT	Special Weather Statement	GSP	Macon	31 min
May 2, 3:11 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell, Rutherford	49 min
May 2, 3:13 PM EDT	Special Weather Statement	GSP	Henderson	32 min
May 2, 3:16 PM EDT	Special Weather Statement	GSP	Avery	29 min
May 2, 3:33 PM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg, Rowan	42 min
May 2, 3:37 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Iredell, Mecklenburg, Rowan	38 min
May 2, 3:45 PM EDT	Special Weather Statement	GSP	Swain	30 min
May 2, 3:46 PM EDT	Special Weather Statement	GSP	Avery	14 min
May 2, 3:51 PM EDT	Severe Thunderstorm Warning	GSP	Union	39 min
May 2, 3:57 PM EDT	Special Weather Statement	GSP	Burke	33 min
May 2, 4:23 PM EDT	Special Weather Statement	GSP	Davie	37 min
May 2, 4:26 PM EDT	Special Weather Statement	GSP	Union	34 min
May 2, 4:40 PM EDT	Special Weather Statement	GSP	Cabarrus	35 min
May 2, 4:49 PM EDT	Special Weather Statement	GSP	Iredell	26 min
May 2, 5:13 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Iredell	47 min
May 2, 5:30 PM EDT	Special Weather Statement	GSP	Gaston	30 min
May 2, 5:34 PM EDT	Special Weather Statement	GSP	Cleveland	26 min
May 2, 5:36 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Lincoln, Mecklenburg	39 min
May 2, 5:50 PM EDT	Special Weather Statement	GSP	Cleveland	25 min
May 2, 5:58 PM EDT	Special Weather Statement	GSP	Iredell	32 min
May 2, 6:11 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Iredell, Rowan	49 min
May 2, 6:20 PM EDT	Special Weather Statement	GSP	Lincoln	25 min
May 2, 6:35 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	3 hr
May 2, 6:40 PM EDT	Special Weather Statement	GSP	Madison	50 min
May 2, 6:48 PM EDT	Special Weather Statement	GSP	Lincoln	42 min
May 2, 7:02 PM EDT	Special Weather Statement	GSP	Mitchell, Yancey	43 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2016 Every severe thunderstorm warning in 2016

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.