Alert archive / North Carolina / Tornado Warnings in 2019

Tornado Warning 2, NWS Raleigh, NC

April 15, 2019Davidson County, Forsyth County, North Carolina

NWS Raleigh, NC issued this tornado warning at Apr 15, 2019, 12:42 AM EDT for Davidson County, Forsyth County, North Carolina. It was in force for 33 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
Apr 15, 2019, 12:42 AM EDT (04:42 UTC)
Expired
Apr 15, 2019, 1:15 AM EDT
In force
33 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Davidson County, NC, Forsyth County, NC

The radar

The Roanoke radar (KFCX), 130 km from the middle of the area, began a volume at 04:45 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
Apr 14, 10:14 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.7 hours before the alert went out and 51 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 2019-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 558 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 2019-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 278 square meters per square second.1939587897117136Sfc1 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
558 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
278 m²/s²
0-3 km storm-relative helicity
329 m²/s²
Significant tornado parameter
0.9
Supercell composite
8.2

Open this sounding in Storm Lab

The text

As transmitted.

400 
WFUS52 KRAH 150442
TORRAH
NCC057-067-150515-
/O.NEW.KRAH.TO.W.0002.190415T0442Z-190415T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Raleigh NC
1242 AM EDT MON APR 15 2019

The National Weather Service in Raleigh has issued a

* Tornado Warning for...
  Southeastern Forsyth County in central North Carolina...
  Davidson County in central North Carolina...

* Until 115 AM EDT
    
* At 1242 AM EDT, a severe thunderstorm capable of producing a
  tornado was located near Cooleemee, or near Mocksville, moving
  northeast at 60 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...
  Winston-Salem, Lexington, Thomasville, Kernersville, Clemmons,
  Linwood, Walkertown, Arcadia, Welcome and Sedge Garden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Raleigh.

&&

LAT...LON 3584 8048 3583 8046 3584 8045 3583 8043
      3585 8042 3584 8039 3586 8039 3588 8042
      3589 8041 3589 8037 3596 8038 3599 8042
      3626 8004 3580 8005 3573 8043 3574 8046
      3577 8045 3579 8048 3581 8047 3583 8049
TIME...MOT...LOC 0442Z 233DEG 51KT 3585 8045 

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

$$

WSS
2 follow-up statements
607 
WWUS52 KRAH 150458
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
1258 AM EDT MON APR 15 2019

NCC057-067-150515-
/O.CON.KRAH.TO.W.0002.000000T0000Z-190415T0515Z/
Forsyth NC-Davidson NC-
1258 AM EDT MON APR 15 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 AM EDT FOR
SOUTHEASTERN FORSYTH AND NORTHEASTERN DAVIDSON COUNTIES...
    
At 1258 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Winston-Salem, moving northeast at 60 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...
Winston-Salem, Lexington, Thomasville, Kernersville, Walkertown,
Arcadia, Welcome, Sedge Garden and Belews Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

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 3586 8034 3590 8031 3593 8031 3596 8032
      3607 8030 3626 8004 3580 8005 3580 8034
TIME...MOT...LOC 0458Z 230DEG 50KT 3601 8024 

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

$$

WSS
952 
WWUS52 KRAH 150510
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
110 AM EDT MON APR 15 2019

NCC057-067-150519-
/O.EXP.KRAH.TO.W.0002.000000T0000Z-190415T0515Z/
Forsyth NC-Davidson NC-
110 AM EDT MON APR 15 2019

...THE TORNADO WARNING FOR SOUTHEASTERN FORSYTH AND NORTHEASTERN
DAVIDSON COUNTIES WILL EXPIRE AT 115 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 500 AM 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.

Remember, a Severe Thunderstorm Warning still remains in effect for 
sections of Forsyth, Davidson, Guilford and Randolph counties 
until 145 AM EDT.

LAT...LON 3586 8034 3590 8031 3593 8031 3596 8032
      3607 8030 3626 8004 3580 8005 3580 8034
TIME...MOT...LOC 0509Z 233DEG 51KT 3608 8013 

$$

WSS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 10:53 PM EDTSpecial Weather StatementRAHDavidson, Guilford52 min
Apr 14, 11:36 PM EDTSpecial Weather StatementRAHForsyth54 min
Apr 15, 12:23 AM EDTSpecial Weather StatementRAHWake37 min
Apr 15, 12:35 AM EDTSpecial Weather StatementRAHDavidson40 min
Apr 15, 12:48 AM EDTSpecial Weather StatementRAHWake27 min
Apr 15, 12:58 AM EDTSpecial Weather StatementRAHLee62 min
Apr 15, 12:59 AM EDTSpecial Weather StatementRAHWarren31 min
Apr 15, 1:03 AM EDTAreal Flood AdvisoryRAHWake3 hr
Apr 15, 1:06 AM EDTSevere Thunderstorm WarningRAHDavidson, Forsyth, Guilford, Randolph39 min
Apr 15, 1:10 AM EDTSevere Thunderstorm WarningRAHFranklin, Halifax, Vance, Warren35 min
Apr 15, 1:15 AM EDTSpecial Weather StatementRAHFranklin, Granville, Vance, Wake60 min
Apr 15, 1:16 AM EDTSevere Thunderstorm WarningRAHHarnett, Johnston, Wake44 min
Apr 15, 1:24 AM EDTFlash Flood WarningRAHWake80 min
Apr 15, 1:24 AM EDTSevere Thunderstorm WarningRAHFranklin, Wake51 min
Apr 15, 1:39 AM EDTSpecial Weather StatementRAHMontgomery, Stanly51 min
Apr 15, 1:43 AM EDTSevere Thunderstorm WarningRAHFranklin, Halifax, Warren47 min
Apr 15, 1:46 AM EDTSpecial Weather StatementRAHGuilford44 min
Apr 15, 1:48 AM EDTSevere Thunderstorm WarningRAHFranklin, Halifax, Nash, Wake42 min
Apr 15, 2:14 AM EDTSpecial Weather StatementRAHMoore, Richmond46 min
Apr 15, 2:27 AM EDTSevere Thunderstorm WarningRAHChatham, Lee, Moore, Randolph33 min
Apr 15, 2:28 AM EDTSevere Thunderstorm WarningRAHHalifax17 min
Apr 15, 2:43 AM EDTSpecial Weather StatementRAHEdgecombe, Halifax, Wilson62 min
Apr 15, 3:01 AM EDTSpecial Weather StatementRAHChatham, Durham, Harnett, Lee44 min
Apr 15, 3:13 AM EDTSevere Thunderstorm WarningRAHHarnett, Lee14 min
Apr 15, 3:38 AM EDTSpecial Weather StatementRAHFranklin, Wake, Warren52 min
Apr 15, 4:23 AM EDTSpecial Weather StatementRAHWarren22 min

Nearby

Tornado Warnings in North Carolina, 2019Every tornado warning in 2019Tornadoes in 2019

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.