Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 97, NWS Blacksburg, VA

May 14, 2012Wilkes County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at May 14, 2012, 5:53 PM EDT for Wilkes County, North Carolina. It was in force for 34 min. 4 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
May 14, 2012, 5:53 PM EDT (21:53 UTC)
Expired
May 14, 2012, 6:27 PM EDT
In force
34 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon

County Wilkes County, NC

The radar

The Roanoke radar (KFCX), 123 km from the middle of the area, began a volume at 21:56 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

TimeReportWhereRemark
May 14, 5:53 PM EDTHAIL 14 Wsw North Wilkesboro, NCQUARTER SIZE HAIL BEGAN AT 553 PM AND ENDED AT 600 PM EDT...AND ALSO TWO TREES DOWN...ALL OBSERVED AT THE INTERSECTION OF CONGO ROAD AND WINKLER MILL ROAD
May 14, 5:56 PM EDTHAIL 13 Wsw North Wilkesboro, NCPENNY TO QUARTER SIZE HAIL.
May 14, 6:00 PM EDTTSTM WND DMG3 Wsw North Wilkesboro, NCA FEW LARGE LIMBS FROM ONE TREE FELL ONTO CURTIS BRIDGE ROAD NEAR THE INTERSECTION WITH NEW BRICKYARD ROAD.
May 14, 6:00 PM EDTHAIL 0.883 W North Wilkesboro, NCNICKEL SIZE HAIL REPORTED AT CRICKET FIRE DEPARTMENT

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, 9.9 hours before the alert went out and 113 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2012-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2012-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
26 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
160 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.

224 
WUUS51 KRNK 142153
SVRRNK
NCC193-142300-
/O.NEW.KRNK.SV.W.0097.120514T2153Z-120514T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
553 PM EDT MON MAY 14 2012

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WILKES COUNTY IN NORTHWEST NORTH CAROLINA

* UNTIL 700 PM EDT.

* AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL. 
  THIS STORM WAS LOCATED NEAR BUCK...OR NEAR WILKESBORO...AND MOVING
  EAST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUCK...
  CRICKET...
  WILKESBORO...
  FAIRPLAINS...
  NORTH WILKESBORO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

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 3622 8110 3611 8107 3613 8125 3618 8125
TIME...MOT...LOC 2153Z 261DEG 6KT 3616 8122

$$

DS
2 follow-up statements
675 
WWUS51 KRNK 142209
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
609 PM EDT MON MAY 14 2012

NCC193-142300-
/O.CON.KRNK.SV.W.0097.000000T0000Z-120514T2300Z/
WILKES NC-
609 PM EDT MON MAY 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR CENTRAL WILKES COUNTY...

AT 605 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR CRICKET...OR NEAR NORTH WILKESBORO...MOVING EAST AT 10
MPH.

LOCATIONS IMPACTED INCLUDE...
  NORTH WILKESBORO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

&&

LAT...LON 3615 8121 3619 8117 3622 8110 3611 8107
      3613 8121
TIME...MOT...LOC 2209Z 264DEG 10KT 3616 8115

$$

DS
175 
WWUS51 KRNK 142227
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
627 PM EDT MON MAY 14 2012

NCC193-142237-
/O.CAN.KRNK.SV.W.0097.000000T0000Z-120514T2300Z/
WILKES NC-
627 PM EDT MON MAY 14 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WILKES COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND 
EXITED THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED. 
ANOTHER SEVERE THUNDERSTORM WARNING CONTINUES FOR SOUTHEAST WILKES 
COUNTY.

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 3615 8121 3619 8117 3622 8110 3611 8107
      3613 8121
TIME...MOT...LOC 2227Z 264DEG 10KT 3617 8109

$$

DS

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 4:30 PM EDTSpecial Weather StatementRNKYadkin30 min
May 14, 4:38 PM EDTSpecial Weather StatementRNKWatauga37 min
May 14, 5:05 PM EDTSpecial Weather StatementRNKWilkes25 min
May 14, 5:21 PM EDTFlash Flood WarningRNKWilkes6 hr
May 14, 5:35 PM EDTSevere Thunderstorm WarningRNKWilkes39 min
May 14, 6:16 PM EDTSevere Thunderstorm WarningRNKWilkes, Yadkin59 min
May 14, 6:20 PM EDTFlash Flood WatchRNKStokes, Surry, Wilkes, Yadkin11 hr
May 14, 7:04 PM EDTFlash Flood WarningRNKYadkin6 hr

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.