Alert archive / North Carolina / Tornado Warnings in 2014

Tornado Warning 10, NWS Raleigh, NC

March 29, 2014Franklin County, Nash County, Wake County, North Carolina

NWS Raleigh, NC issued this tornado warning at Mar 29, 2014, 9:47 PM EDT for Franklin County, Nash County, Wake 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
Mar 29, 2014, 9:47 PM EDT (01:47 UTC)
Expired
Mar 29, 2014, 10:30 PM EDT
In force
43 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

Counties Franklin County, NC, Nash County, NC, Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 34 km from the middle of the area, began a volume at 01:48 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.

IssuedProductOfficeLasted
Mar 29, 8:08 PM EDTTornado WatchSPC4 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.8 hours before the alert went out and 149 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 00:00Z on 2014-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 00:00Z on 2014-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.1939587897117Sfc1 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
33 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

990 
WFUS52 KRAH 300147
TORRAH
NCC069-127-183-300230-
/O.NEW.KRAH.TO.W.0010.140330T0147Z-140330T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
947 PM EDT SAT MAR 29 2014

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL NASH COUNTY IN CENTRAL NORTH CAROLINA...
  NORTHEASTERN WAKE COUNTY IN CENTRAL NORTH CAROLINA...
  SOUTH CENTRAL FRANKLIN COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 1030 PM EDT
    
* AT 946 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 3 
  MILES NORTHEAST OF KNIGHTDALE... MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUNN...PILOT.

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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3592 7802 3577 7841 3582 7848 3611 7836
TIME...MOT...LOC 0146Z 228DEG 26KT 3583 7841 
$$

32
2 follow-up statements
623 
WWUS52 KRAH 300159
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
959 PM EDT SAT MAR 29 2014

NCC069-127-183-300230-
/O.CON.KRAH.TO.W.0010.000000T0000Z-140330T0230Z/
NASH NC-WAKE NC-FRANKLIN NC-
959 PM EDT SAT MAR 29 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR WEST
CENTRAL NASH...NORTHEASTERN WAKE AND SOUTH CENTRAL FRANKLIN
COUNTIES...
     
AT 957 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 8 MILES 
SOUTHWEST OF BUNN OR 5 MILES WEST OF PILOT... MOVING NORTHEAST AT 30
MPH. THE CIRCULATION HAS WEAKENED BUT A RAIN WRAPPED TORNADO MAY 
STILL BE OCCURRING. 

LOCATIONS IMPACTED INCLUDE...
BUNN  

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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3582 7836 3586 7843 3605 7838 3611 7836
      3594 7806
TIME...MOT...LOC 0157Z 228DEG 25KT 3588 7836 

$$

32
668 
WWUS52 KRAH 300208
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1008 PM EDT SAT MAR 29 2014

NCC069-127-183-300217-
/O.CAN.KRAH.TO.W.0010.000000T0000Z-140330T0230Z/
NASH NC-WAKE NC-FRANKLIN NC-
1008 PM EDT SAT MAR 29 2014

...THE TORNADO WARNING FOR WEST CENTRAL NASH...NORTHEASTERN WAKE AND
SOUTH CENTRAL FRANKLIN COUNTIES IS CANCELLED...
                
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 HAS BEEN CANCELLED. HOWEVER HEAVY RAIN IS STILL
POSSIBLE WITH THIS THUNDERSTORM.

IF THE CIRCULATION BECOMES EVIDENT AGAIN... WE MAY HAVE TO REISSUE 
FOR PORTIONS OF FRANKLIN OR NASH COUNTIES. 

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
RALEIGH.

LAT...LON 3582 7836 3586 7843 3605 7838 3611 7836
      3594 7806
TIME...MOT...LOC 0202Z 228DEG 26KT 3593 7829 

$$

32

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 8:09 PM EDTTornado WarningRAHHarnett36 min
Mar 29, 8:30 PM EDTTornado WarningRAHHarnett, Johnston, Wake45 min
Mar 29, 9:05 PM EDTTornado WarningRAHWake40 min
Mar 29, 9:11 PM EDTAreal Flood AdvisoryRAHFranklin, Harnett, Johnston, Wake2 hr
Mar 29, 11:11 PM EDTSpecial Weather StatementRAHHalifax49 min
Mar 30, 1:12 AM EDTSpecial Weather StatementRAHFranklin, Nash, Vance, Wake, Warren63 min
Mar 30, 2:40 AM EDTSpecial Weather StatementRAHWarren35 min
Mar 30, 3:38 AM EDTWind AdvisoryRAHAlamance, Anson, Chatham, Cumberland, Davidson, Forsyth and 12 more17 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.