Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 8, NWS Raleigh, NC

May 24, 2017Nash County, North Carolina

NWS Raleigh, NC issued this tornado warning at May 24, 2017, 6:41 PM EDT for Nash County, North Carolina. It was in force for 12 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, 6:41 PM EDT (22:41 UTC)
Expired
May 24, 2017, 6:53 PM EDT
In force
12 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Nash County, NC

The radar

The Raleigh/Durham radar (KRAX), 74 km from the middle of the area, began a volume at 22:45 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, 10.7 hours before the alert went out and 175 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.

897 
WFUS52 KRAH 242241
TORRAH
NCC127-242315-
/O.NEW.KRAH.TO.W.0008.170524T2241Z-170524T2315Z/

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

The National Weather Service in Raleigh has issued a

* Tornado Warning for...
  Nash County in central North Carolina...

* Until 715 PM EDT
    
* At 641 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Bailey, or 7 miles southwest of
  Nashville, moving north 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...
  Rocky Mount, Nashville, Dortches, Red Oak, Spring Hope, Whitakers,
  Castalia, Battleboro, Aventon and Tar River Reservoir.

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 3618 7798 3619 7797 3618 7795 3619 7794
      3618 7793 3619 7792 3617 7792 3616 7790
      3614 7789 3614 7778 3616 7775 3613 7772
      3615 7770 3611 7771 3603 7776 3581 7799
      3584 7815 3620 7801
TIME...MOT...LOC 2241Z 199DEG 29KT 3587 7804 

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

$$

77
1 follow-up statement
270 
WWUS52 KRAH 242253
SVSRAH

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

NCC127-242303-
/O.CAN.KRAH.TO.W.0008.000000T0000Z-170524T2315Z/
Nash NC-
653 PM EDT WED MAY 24 2017

...THE TORNADO WARNING FOR NASH 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.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Raleigh.

LAT...LON 3618 7798 3619 7797 3618 7795 3619 7794
      3618 7793 3619 7792 3617 7792 3616 7790
      3614 7789 3614 7778 3616 7775 3613 7772
      3615 7770 3611 7771 3603 7776 3581 7799
      3584 7815 3620 7801
TIME...MOT...LOC 2251Z 199DEG 29KT 3596 7800 

$$

77

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, 5:30 PM EDTTornado WarningRAHJohnston, Sampson, Wayne45 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, 6:51 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.