Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 5, NWS Raleigh, NC

May 24, 2017Forsyth County, North Carolina

NWS Raleigh, NC issued this tornado warning at May 24, 2017, 4:08 PM EDT for Forsyth County, North Carolina. It was in force for 52 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 24, 2017, 4:08 PM EDT (20:08 UTC)
Expired
May 24, 2017, 5:00 PM EDT
In force
52 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Forsyth County, NC

The radar

The Roanoke radar (KFCX), 99 km from the middle of the area, began a volume at 20:10 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.

What was reported inside it

TimeReportWhereRemark
May 24, 4:40 PM EDTTSTM WND DMG3 W Rural Hall, NCTREE DOWN ON WOODY LANE. POSSIBLE RFD. TIME ESTIMATED BY RADAR.
May 24, 4:40 PM EDTTSTM WND DMG4 W Rural Hall, NCTREE DOWN ON STOUT FARM ROAD. POSSIBLE RFD. TIME ESTIMATED BY RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.1 hours before the alert went out and 49 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 12:00Z on 2017-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 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 12:00Z on 2017-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.19395878Sfc1 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
52 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
553 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

360 
WFUS52 KRAH 242008
TORRAH
NCC067-242100-
/O.NEW.KRAH.TO.W.0005.170524T2008Z-170524T2100Z/

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

The National Weather Service in Raleigh has issued a

* Tornado Warning for...
  Northwestern Forsyth County in central North Carolina...

* Until 500 PM EDT
    
* At 407 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Harmony, or 8 miles northwest of Mocksville, 
  moving northeast at 30 mph. A funnel cloud with this storm has 
  been reported in Iredell. 

  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...
  Huntsville, Lewisville, Rural Hall, Donnaha and Stanleyville. 

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 3611 8051 3612 8046 3614 8044 3617 8044
      3621 8045 3622 8043 3624 8045 3626 8045
      3626 8025 3625 8025 3604 8045 3606 8046
      3604 8049 3605 8051 3609 8052
TIME...MOT...LOC 2007Z 206DEG 27KT 3598 8066 

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

$$

23
4 follow-up statements
864 
WWUS52 KRAH 242020
SVSRAH

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

NCC067-242100-
/O.CON.KRAH.TO.W.0005.000000T0000Z-170524T2100Z/
Forsyth NC-
420 PM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
NORTHWESTERN FORSYTH COUNTY...
        
At 418 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Courtney, or near Yadkinville, moving northeast at
30 mph.

HAZARD...Tornado. 

SOURCE...Public has reported a funnel cloud with this storm. 

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...
Huntsville, Lewisville, Rural Hall, Donnaha and Stanleyville. 

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 3611 8051 3612 8046 3614 8044 3617 8044
      3621 8045 3622 8043 3624 8045 3626 8045
      3626 8025 3625 8025 3604 8045 3606 8046
      3604 8049 3605 8051 3609 8052
TIME...MOT...LOC 2018Z 206DEG 27KT 3606 8061 

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

$$

23
076 
WWUS52 KRAH 242036
SVSRAH

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

NCC067-242100-
/O.CON.KRAH.TO.W.0005.000000T0000Z-170524T2100Z/
Forsyth NC-
436 PM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
NORTHWESTERN FORSYTH COUNTY...
    
At 435 PM EDT, a confirmed tornado was located near East Bend, moving
northeast at 30 mph.

HAZARD...Damaging tornado. 

SOURCE...Public confirmed tornado. 

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...
Donnaha.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3612 8046 3614 8044 3617 8044 3621 8045
      3622 8043 3624 8045 3626 8045 3626 8030
      3624 8030 3611 8043
TIME...MOT...LOC 2035Z 206DEG 27KT 3618 8054 

TORNADO...OBSERVED
HAIL...<.75IN

$$

23
475 
WWUS52 KRAH 242048
SVSRAH

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

NCC067-242100-
/O.CON.KRAH.TO.W.0005.000000T0000Z-170524T2100Z/
Forsyth NC-
448 PM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
NORTHWESTERN FORSYTH COUNTY...
    
At 447 PM EDT, a confirmed tornado was located over East Bend, moving
northeast at 25 mph.

HAZARD...Damaging tornado. 

SOURCE...Emergency management confirmed tornado. 

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...
Donnaha.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3617 8044 3621 8045 3622 8043 3624 8045
      3626 8045 3626 8030 3624 8030
TIME...MOT...LOC 2047Z 203DEG 22KT 3624 8049 

TORNADO...OBSERVED
HAIL...<.75IN

$$

23
020 
WWUS52 KRAH 242056
SVSRAH

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

NCC067-242105-
/O.EXP.KRAH.TO.W.0005.000000T0000Z-170524T2100Z/
Forsyth NC-
456 PM EDT WED MAY 24 2017

...THE TORNADO WARNING FOR NORTHWESTERN FORSYTH COUNTY WILL EXPIRE AT
500 PM EDT...
        
The storm which prompted the warning is moving away from the area.
Therefore the warning will be allowed to expire.

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.

Remember, a Tornado Warning still remains in effect for listening
area through midnight. 

LAT...LON 3617 8044 3621 8045 3622 8043 3624 8045
      3626 8045 3626 8030 3624 8030
TIME...MOT...LOC 2055Z 208DEG 25KT 3627 8046 

$$

23

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, 4:10 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, 6:41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.