Alert archive / North Carolina / Tornado Warnings in 2014

Tornado Warning 34, NWS Raleigh, NC

August 18, 2014Franklin County, Granville County, Vance County, North Carolina

NWS Raleigh, NC issued this tornado warning at Aug 18, 2014, 5:25 PM EDT for Franklin County, Granville County, Vance County, North Carolina. It was in force for 35 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
Aug 18, 2014, 5:25 PM EDT (21:25 UTC)
Expired
Aug 18, 2014, 6:00 PM EDT
In force
35 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

Counties Franklin County, NC, Granville County, NC, Vance County, NC

The radar

The Raleigh/Durham radar (KRAX), 63 km from the middle of the area, began a volume at 21:27 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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.4 hours before the alert went out and 136 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 2014-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 429 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 2014-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.1939Sfc1 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
429 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1211 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

231 
WFUS52 KRAH 182125
TORRAH
NCC069-077-181-182200-
/O.NEW.KRAH.TO.W.0034.140818T2125Z-140818T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
525 PM EDT MON AUG 18 2014

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN GRANVILLE COUNTY IN CENTRAL NORTH CAROLINA...
  SOUTHERN VANCE COUNTY IN CENTRAL NORTH CAROLINA...
  NORTHWESTERN FRANKLIN COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 600 PM EDT
    
* AT 525 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  NEAR OXFORD...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HENDERSON...OXFORD...LOUISBURG...FRANKLINTON...KITTRELL...GILLBURG
  AND INGLESIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3627 7831 3626 7825 3602 7833 3618 7867
      3630 7864 3630 7828
TIME...MOT...LOC 2125Z 283DEG 16KT 3622 7860 
$$

77
3 follow-up statements
357 
WWUS52 KRAH 182141
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
541 PM EDT MON AUG 18 2014

NCC077-182151-
/O.CAN.KRAH.TO.W.0034.000000T0000Z-140818T2200Z/
GRANVILLE NC-
541 PM EDT MON AUG 18 2014

...THE TORNADO WARNING FOR SOUTHEASTERN GRANVILLE COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT 
SOUTHEASTERN GRANVILLE COUNTY. THEREFORE THE WARNING HAS BEEN 
CANCELLED.

LAT...LON 3625 7830 3624 7826 3609 7832 3616 7850
      3617 7850 3618 7851 3627 7851
TIME...MOT...LOC 2141Z 282DEG 17KT 3620 7850 

$$

NCC069-181-182200-
/O.CON.KRAH.TO.W.0034.000000T0000Z-140818T2200Z/
VANCE NC-FRANKLIN NC-
541 PM EDT MON AUG 18 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR SOUTHERN
VANCE AND NORTHWESTERN FRANKLIN COUNTIES...
     
AT 541 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
KITTRELL...OR 8 MILES SOUTHEAST OF OXFORD...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
KITTRELL AND INGLESIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3625 7830 3624 7826 3609 7832 3616 7850
      3617 7850 3618 7851 3627 7851
TIME...MOT...LOC 2141Z 282DEG 17KT 3620 7850 

$$

77
056 
WWUS52 KRAH 182147
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
547 PM EDT MON AUG 18 2014

NCC069-181-182200-
/O.CON.KRAH.TO.W.0034.000000T0000Z-140818T2200Z/
VANCE NC-FRANKLIN NC-
547 PM EDT MON AUG 18 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR SOUTHERN
VANCE AND NORTHWESTERN FRANKLIN COUNTIES...
     
AT 547 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED OVER
KITTRELL...OR 9 MILES SOUTH OF HENDERSON...MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
KITTRELL AND INGLESIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3624 7829 3623 7826 3611 7832 3616 7847
      3618 7849 3618 7850 3621 7849 3625 7845
      3625 7838
TIME...MOT...LOC 2147Z 288DEG 21KT 3619 7845 

$$

77
523 
WWUS52 KRAH 182153
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
553 PM EDT MON AUG 18 2014

NCC069-181-182203-
/O.EXP.KRAH.TO.W.0034.000000T0000Z-140818T2200Z/
VANCE NC-FRANKLIN NC-
553 PM EDT MON AUG 18 2014

...THE TORNADO WARNING FOR SOUTHERN VANCE AND NORTHWESTERN FRANKLIN
COUNTIES WILL EXPIRE AT 600 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS TO BE CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3624 7829 3623 7826 3611 7832 3616 7847
      3618 7849 3618 7850 3621 7849 3625 7845
      3625 7838
TIME...MOT...LOC 2149Z 283DEG 16KT 3619 7845 

$$

77

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 18, 3:26 PM EDTSpecial Weather StatementRAHHoke, Scotland64 min
Aug 18, 3:32 PM EDTSpecial Weather StatementRAHCumberland, Hoke58 min
Aug 18, 3:50 PM EDTSpecial Weather StatementRAHForsyth55 min
Aug 18, 4:12 PM EDTSpecial Weather StatementRAHOrange63 min
Aug 18, 4:27 PM EDTSpecial Weather StatementRAHPerson63 min
Aug 18, 4:38 PM EDTSevere Thunderstorm WarningRAHAlamance, Orange44 min
Aug 18, 4:40 PM EDTSevere Thunderstorm WarningRAHDavidson, Forsyth65 min
Aug 18, 4:55 PM EDTSpecial Weather StatementRAHGranville65 min
Aug 18, 5:20 PM EDTSevere Thunderstorm WarningRAHDavidson, Guilford, Randolph55 min
Aug 18, 5:45 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Nash, Wilson45 min
Aug 18, 5:54 PM EDTSpecial Weather StatementRAHFranklin66 min
Aug 18, 5:59 PM EDTSpecial Weather StatementRAHWayne46 min
Aug 18, 6:04 PM EDTSevere Thunderstorm WarningRAHAlamance, Chatham, Guilford, Orange, Randolph56 min
Aug 18, 6:05 PM EDTSpecial Weather StatementRAHDurham40 min
Aug 18, 6:09 PM EDTSevere Thunderstorm WarningRAHWayne16 min
Aug 18, 6:15 PM EDTSevere Thunderstorm WarningRAHWayne, Wilson45 min
Aug 18, 6:19 PM EDTSpecial Weather StatementRAHMontgomery, Randolph71 min
Aug 18, 6:24 PM EDTAreal Flood AdvisoryRAHDurham3 hr
Aug 18, 6:28 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Nash, Wilson28 min
Aug 18, 6:58 PM EDTSevere Thunderstorm WarningRAHEdgecombe17 min
Aug 18, 7:01 PM EDTSpecial Weather StatementRAHWake74 min
Aug 18, 7:06 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Nash54 min
Aug 18, 7:21 PM EDTSevere Thunderstorm WarningRAHJohnston, Wayne, Wilson39 min
Aug 18, 7:28 PM EDTSevere Thunderstorm WarningRAHChatham, Franklin, Johnston, Lee, Nash, Wake47 min
Aug 18, 7:42 PM EDTAreal Flood AdvisoryRAHWake3 hr

Nearby

Tornado Warnings in North Carolina, 2014Every tornado warning in 2014Tornadoes in 2014

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.