Alert archive / North Carolina / Tornado Warnings in 2018

Tornado Warning 1, NWS Raleigh, NC

March 1, 2018Wayne County, North Carolina

NWS Raleigh, NC issued this tornado warning at Mar 1, 2018, 3:12 PM EST for Wayne County, North Carolina. It was in force for 15 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 1, 2018, 3:12 PM EST (20:12 UTC)
Expired
Mar 1, 2018, 3:27 PM EST
In force
15 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Wayne County, NC

The radar

The Raleigh/Durham radar (KRAX), 68 km from the middle of the area, began a volume at 20:14 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

Newport, NC (KMHX), launched 12:00Z, 8.2 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, Newport, NC at 12:00Z on 2018-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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, Newport, NC at 12:00Z on 2018-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939587897Sfc1 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
45 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

290 
WFUS52 KRAH 012012
TORRAH
NCC191-012045-
/O.NEW.KRAH.TO.W.0001.180301T2012Z-180301T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Raleigh NC
312 PM EST THU MAR 1 2018

The National Weather Service in Raleigh has issued a

* Tornado Warning for...
  Southern Wayne County in central North Carolina...

* Until 345 PM EST
    
* At 312 PM EST, a severe thunderstorm capable of producing a tornado
  was located near Mount Olive, moving east at 35 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Mount Olive, Walnut Creek, Seven Springs, Cliffs Of The Neuse State
  Park and Brogden.

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 you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3518 7783 3516 7788 3515 7789 3517 7793
      3516 7797 3518 7799 3519 7802 3519 7804
      3518 7807 3518 7809 3519 7816 3521 7817
      3522 7823 3525 7824 3532 7783
TIME...MOT...LOC 2012Z 262DEG 28KT 3517 7813 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

23
2 follow-up statements
702 
WWUS52 KRAH 012023
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
323 PM EST THU MAR 1 2018

NCC191-012045-
/O.CON.KRAH.TO.W.0001.000000T0000Z-180301T2045Z/
Wayne NC-
323 PM EST THU MAR 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EST FOR
SOUTHEASTERN WAYNE COUNTY...
    
At 323 PM EST, a severe thunderstorm capable of producing a tornado
was located over Mount Olive, moving east at 30 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Mount Olive, Walnut Creek, Seven Springs and Cliffs Of The Neuse
State Park.

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 you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3518 7783 3516 7788 3515 7789 3517 7793
      3516 7797 3518 7799 3519 7802 3519 7804
      3518 7807 3520 7807 3524 7805 3528 7800
      3532 7783
TIME...MOT...LOC 2023Z 261DEG 25KT 3518 7804 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BLAES
289 
WWUS52 KRAH 012027
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
327 PM EST THU MAR 1 2018

NCC191-012037-
/O.CAN.KRAH.TO.W.0001.000000T0000Z-180301T2045Z/
Wayne NC-
327 PM EST THU MAR 1 2018

...THE TORNADO WARNING FOR SOUTHEASTERN WAYNE COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3518 7783 3516 7788 3515 7789 3517 7793
      3516 7797 3518 7799 3519 7802 3519 7804
      3518 7807 3520 7807 3524 7805 3528 7800
      3532 7783
TIME...MOT...LOC 2025Z 262DEG 28KT 3518 7800 

$$

BLAES

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 1:28 PM ESTWind AdvisoryRAHAlamance, Anson, Chatham, Cumberland, Davidson, Durham and 25 more32 hr
Mar 1, 2:04 PM ESTSpecial Weather StatementRAHCumberland, Sampson56 min
Mar 1, 3:20 PM ESTSpecial Weather StatementRAHCumberland, Harnett, Hoke55 min
Mar 1, 3:27 PM ESTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Moore48 min
Mar 1, 3:57 PM ESTTornado WarningRAHCumberland, Hoke20 min
Mar 1, 4:21 PM ESTSpecial Weather StatementRAHCumberland, Sampson, Wayne54 min
Mar 1, 4:37 PM ESTSpecial Weather StatementRAHHoke, Scotland38 min
Mar 1, 5:05 PM ESTSpecial Weather StatementRAHCumberland, Sampson, Wayne70 min
Mar 1, 5:32 PM ESTSevere Thunderstorm WarningRAHCumberland, Sampson43 min

Nearby

Tornado Warnings in North Carolina, 2018Every tornado warning in 2018Tornadoes in 2018

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.