Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 113, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at May 31, 2012, 4:01 PM EDT for Ashe County, Watauga County, Wilkes County, North Carolina. It was in force for 32 min. 1 report 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
- May 31, 2012, 4:01 PM EDT (20:01 UTC)
- Expired
- May 31, 2012, 4:33 PM EDT
- In force
- 32 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
Counties Ashe County, NC, Watauga County, NC, Wilkes County, NC
The radar
The Roanoke radar (KFCX), 144 km from the middle of the area, began a volume at 20:02 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 |
|---|---|---|---|
| May 31, 4:05 PM EDT | HAIL 0.5 | Boone, NC | SEVERAL REPORTS OF PEA TO DIME SIZE HAIL COVERING THE GROUND |
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, 8.0 hours before the alert went out and 152 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
- 28 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1879 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
931 WUUS51 KRNK 312001 SVRRNK NCC009-189-193-312100- /O.NEW.KRNK.SV.W.0113.120531T2001Z-120531T2100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 401 PM EDT THU MAY 31 2012 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN ASHE COUNTY IN NORTHWEST NORTH CAROLINA EASTERN WATAUGA COUNTY IN NORTHWEST NORTH CAROLINA WESTERN WILKES COUNTY IN NORTHWEST NORTH CAROLINA * UNTIL 500 PM EDT. * AT 358 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL... AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MOSES CONE MEMORIAL PARK...OR NEAR BOONE...AND MOVING NORTHEAST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... MOSES CONE MEMORIAL PARK... BOONE... SANDS... RUTHERWOOD... DEEP GAP... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL... DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF QUARTER OR LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT... 1...8 6 6...2 1 5...4 3 2 4. && LAT...LON 3639 8155 3623 8136 3612 8168 3619 8174 TIME...MOT...LOC 2001Z 229DEG 12KT 3618 8166 $$ DS
2 follow-up statements
348 WWUS51 KRNK 312019 SVSRNK SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 419 PM EDT THU MAY 31 2012 NCC009-189-193-312100- /O.CON.KRNK.SV.W.0113.000000T0000Z-120531T2100Z/ ASHE NC-WATAUGA NC-WILKES NC- 419 PM EDT THU MAY 31 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR SOUTHERN ASHE...EASTERN WATAUGA AND WESTERN WILKES COUNTIES... AT 415 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR AHO...OR NEAR BOONE...MOVING NORTHEAST AT 15 MPH. THE POTENTIAL FOR LARGE HAIL HAS DECREASED. LOCATIONS IMPACTED INCLUDE... AHO... RUTHERWOOD... DEEP GAP... FLEETWOOD... BALDWIN... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL... DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. && LAT...LON 3614 8166 3619 8170 3639 8155 3623 8136 TIME...MOT...LOC 2018Z 229DEG 12KT 3620 8162 $$ DS
902 WWUS51 KRNK 312033 SVSRNK SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 433 PM EDT THU MAY 31 2012 NCC009-189-193-312041- /O.CAN.KRNK.SV.W.0113.000000T0000Z-120531T2100Z/ ASHE NC-WATAUGA NC-WILKES NC- 433 PM EDT THU MAY 31 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ASHE...EASTERN WATAUGA AND WESTERN WILKES COUNTIES IS CANCELLED... THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND EXITED THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED. THE THUNDERSTORM STILL IS CAPABLE OF FREQUENT LIGHTNING AND HEAVY DOWNPOURS. ANOTHER STRONG STORM IS ENTERING THE SOUTHERN PARTS OF WATAUGA COUNTY FROM THE SOUTHWEST BETWEEN BEECH MOUNTAIN AND GRANDFATHER MOUNTAIN. THIS STORM IS BEING MONITORED CLOSELY FOR THE POTENTIAL FOR HAIL AND STRONG WINDS. TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN BLACKSBURG AT...1 8 6 6...2 1 5...4 3 2 4. LAT...LON 3614 8166 3619 8170 3639 8155 3623 8136 TIME...MOT...LOC 2031Z 229DEG 12KT 3623 8158 $$ DS
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 4:07 PM EDT | Areal Flood Advisory | RNK | Watauga | 3 hr |
| May 31, 4:35 PM EDT | Special Weather Statement | RNK | Watauga | 25 min |
| May 31, 5:58 PM EDT | Special Weather Statement | RNK | Stokes | 32 min |
| May 31, 6:04 PM EDT | Special Weather Statement | RNK | Yadkin | 26 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.