Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 7, NWS Raleigh, NC

May 24, 2017Johnston County, Sampson County, Wayne County, North Carolina

NWS Raleigh, NC issued this tornado warning at May 24, 2017, 5:30 PM EDT for Johnston County, Sampson County, Wayne County, North Carolina. It was in force for 45 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
May 24, 2017, 5:30 PM EDT (21:30 UTC)
Expired
May 24, 2017, 6:15 PM EDT
In force
45 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Johnston County, NC, Sampson County, NC, Wayne County, NC

The radar

The Raleigh/Durham radar (KRAX), 51 km from the middle of the area, began a volume at 21:32 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
May 24, 3:46 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.5 hours before the alert went out and 142 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 2017-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2017-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
13 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

236 
WFUS52 KRAH 242130
TORRAH
NCC101-163-191-242215-
/O.NEW.KRAH.TO.W.0007.170524T2130Z-170524T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Raleigh NC
530 PM EDT WED MAY 24 2017

The National Weather Service in Raleigh has issued a

* Tornado Warning for...
  Southwestern Wayne County in central North Carolina...
  North central Sampson County in central North Carolina...
  Southeastern Johnston County in central North Carolina...

* Until 615 PM EDT
    
* At 530 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 12 miles north of Clinton, moving north at 25 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...
  Four Oaks, Newton Grove, Hobbton and Grantham. 

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 3508 7830 3511 7851 3546 7848 3539 7811
TIME...MOT...LOC 2130Z 190DEG 20KT 3517 7839 

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

$$

WSS
3 follow-up statements
576 
WWUS52 KRAH 242146
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
546 PM EDT WED MAY 24 2017

NCC101-163-191-242215-
/O.CON.KRAH.TO.W.0007.000000T0000Z-170524T2215Z/
Wayne NC-Sampson NC-Johnston NC-
546 PM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
SOUTHWESTERN WAYNE...NORTH CENTRAL SAMPSON AND SOUTHEASTERN JOHNSTON
COUNTIES...
    
At 544 PM EDT, a severe thunderstorm capable of producing a tornado
was located 12 miles southeast of Benson, or 16 miles south of 
Smithfield, moving north at 25 mph. Another severe storm capable of 
producing a tornado was approaching the Hobbton area from the south.

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...
Four Oaks, Newton Grove, Hobbton and Grantham. 

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3508 7830 3511 7851 3546 7848 3539 7811
TIME...MOT...LOC 2144Z 190DEG 21KT 3527 7836 

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

$$

WSS
769 
WWUS52 KRAH 242206
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
606 PM EDT WED MAY 24 2017

NCC101-163-191-242215-
/O.CON.KRAH.TO.W.0007.000000T0000Z-170524T2215Z/
Wayne NC-Sampson NC-Johnston NC-
606 PM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
SOUTHWESTERN WAYNE...NORTH CENTRAL SAMPSON AND SOUTHEASTERN JOHNSTON
COUNTIES...
    
At 606 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northwest of Mount Olive, moving northeast at 40
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...
Newton Grove, Grantham and Hobbton. 

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3514 7826 3521 7838 3529 7833 3542 7828
      3539 7811
TIME...MOT...LOC 2206Z 216DEG 36KT 3529 7820 

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

$$

WSS
901 
WWUS52 KRAH 242218
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
618 PM EDT WED MAY 24 2017

NCC101-163-191-242227-
/O.EXP.KRAH.TO.W.0007.000000T0000Z-170524T2215Z/
Wayne NC-Sampson NC-Johnston NC-
618 PM EDT WED MAY 24 2017

...THE TORNADO WARNING FOR SOUTHWESTERN WAYNE...NORTH CENTRAL SAMPSON
AND SOUTHEASTERN JOHNSTON COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.

A tornado watch remains in effect until midnight EDT for central
North Carolina.

LAT...LON 3514 7826 3521 7838 3529 7833 3542 7828
      3539 7811
TIME...MOT...LOC 2217Z 190DEG 20KT 3532 7819 

$$

WSS

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 9:44 PM EDTRiver Flood WarningRAHDavidson, Davie25 hr
May 24, 3:54 PM EDTSpecial Weather StatementRAHAnson, Cumberland, Hoke, Montgomery, Moore, Richmond and 2 more96 min
May 24, 3:57 PM EDTSpecial Weather StatementRAHAlamance, Davidson, Forsyth, Guilford, Randolph78 min
May 24, 4:08 PM EDTTornado WarningRAHForsyth52 min
May 24, 4:10 PM EDTSevere Thunderstorm WarningRAHAnson, Hoke, Richmond, Scotland65 min
May 24, 4:38 PM EDTSevere Thunderstorm WarningRAHCumberland, Sampson52 min
May 24, 4:57 PM EDTSevere Thunderstorm WarningRAHHarnett, Hoke, Lee, Montgomery, Moore, Richmond48 min
May 24, 5:05 PM EDTTornado WarningRAHCumberland, Sampson40 min
May 24, 5:35 PM EDTSpecial Weather StatementRAHDavidson, Randolph, Stanly55 min
May 24, 6:16 PM EDTSevere Thunderstorm WarningRAHJohnston, Wayne, Wilson38 min
May 24, 6:37 PM EDTSpecial Weather StatementRAHFranklin, Nash, Warren68 min
May 24, 6:41 PM EDTTornado WarningRAHNash12 min
May 24, 6:51 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Halifax54 min
May 24, 7:10 PM EDTSpecial Weather StatementRAHEdgecombe, Wilson65 min
May 24, 7:22 PM EDTTornado WarningRAHEdgecombe23 min
May 24, 7:32 PM EDTTornado WarningRAHHalifax23 min
May 24, 7:35 PM EDTSevere Thunderstorm WarningRAHHalifax, Nash55 min

Nearby

Tornado Warnings in North Carolina, 2017Every tornado warning in 2017Tornadoes in 2017

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.