Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 3, NWS Raleigh, NC

May 23, 2017Sampson County, North Carolina

NWS Raleigh, NC issued this tornado warning at May 23, 2017, 4:56 PM EDT for Sampson County, North Carolina. It was in force for 34 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 23, 2017, 4:56 PM EDT (20:56 UTC)
Expired
May 23, 2017, 5:30 PM EDT
In force
34 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Sampson County, NC

The radar

The Raleigh/Durham radar (KRAX), 64 km from the middle of the area, began a volume at 20:58 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 23, 5:12 PM EDTTORNADO5 Ne Salemburg, NC*** 1 INJ *** EMERGENCY MANAGER REPORTED A MOBILE HOME OVERTURNED IN THE BARESKIN COMMUNITY NEAR SALEMBURG. MINOR INJURIES REPORTED.
May 23, 5:19 PM EDTTORNADO3 Nw Clinton, NCPOLICE OFFICER REPORTED A TORNADO ON THE GROUND CROSSING US 421.

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

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 8.9 hours before the alert went out and 133 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 2017-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 2017-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.193958Sfc1 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
93 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
675 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

705 
WFUS52 KRAH 232056
TORRAH
NCC163-232130-
/O.NEW.KRAH.TO.W.0003.170523T2056Z-170523T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Raleigh NC
456 PM EDT TUE MAY 23 2017

The National Weather Service in Raleigh has issued a

* Tornado Warning for...
  Northern Sampson County in central North Carolina...

* Until 530 PM EDT
    
* At 456 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles west of Clinton, moving east 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...
  Clinton, Roseboro, Salemburg, Turkey 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.

&&

LAT...LON 3507 7863 3524 7826 3522 7824 3521 7818
      3520 7816 3518 7817 3513 7816 3512 7817
      3509 7817 3508 7816 3500 7816 3493 7857
TIME...MOT...LOC 2056Z 249DEG 23KT 3503 7852 

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

$$

77
3 follow-up statements
970 
WWUS52 KRAH 232106
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
506 PM EDT TUE MAY 23 2017

NCC163-232130-
/O.CON.KRAH.TO.W.0003.000000T0000Z-170523T2130Z/
Sampson NC-
506 PM EDT TUE MAY 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR NORTHERN
SAMPSON COUNTY...
    
At 506 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Clinton, moving northeast 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...
Clinton, Salemburg 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.

&&

LAT...LON 3507 7857 3524 7826 3522 7824 3521 7818
      3520 7816 3518 7817 3513 7816 3512 7817
      3509 7817 3508 7816 3504 7817 3497 7852
TIME...MOT...LOC 2106Z 247DEG 20KT 3505 7847 

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

$$

77
172 
WWUS52 KRAH 232114
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
514 PM EDT TUE MAY 23 2017

NCC163-232130-
/O.CON.KRAH.TO.W.0003.000000T0000Z-170523T2130Z/
Sampson NC-
514 PM EDT TUE MAY 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
NORTHEASTERN SAMPSON COUNTY...
        
At 513 PM EDT, a confirmed tornado was located near Clinton, moving
east at 20 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar 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...
Clinton.

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 3507 7852 3522 7824 3521 7818 3520 7816
      3518 7817 3513 7816 3512 7817 3509 7817
      3508 7816 3504 7817 3499 7847
TIME...MOT...LOC 2113Z 252DEG 16KT 3505 7844 

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

$$

77
622 
WWUS52 KRAH 232119
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
519 PM EDT TUE MAY 23 2017

NCC163-232130-
/O.CON.KRAH.TO.W.0003.000000T0000Z-170523T2130Z/
Sampson NC-
519 PM EDT TUE MAY 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
NORTHEASTERN SAMPSON COUNTY...
        
At 519 PM EDT, a confirmed tornado was located near Clinton, moving
east at 25 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar 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...
Clinton.

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 3508 7844 3521 7818 3520 7816 3518 7817
      3513 7816 3512 7817 3509 7817 3508 7816
      3504 7817 3500 7840
TIME...MOT...LOC 2119Z 251DEG 20KT 3505 7839 

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

$$

77

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 9:09 PM EDTAreal Flood AdvisoryRAHCumberland, Harnett, Hoke, Montgomery, Moore, Richmond and 1 more3 hr
May 22, 11:09 PM EDTAreal Flood AdvisoryRAHAlamance, Chatham, Durham, Guilford, Harnett, Johnston and 4 more111 min
May 23, 1:22 AM EDTAreal Flood AdvisoryRAHForsyth, Guilford3 hr
May 23, 1:56 AM EDTFlash Flood WarningRAHForsyth3 hr
May 23, 3:41 AM EDTFlood WatchRAHAlamance, Anson, Chatham, Cumberland, Davidson, Durham and 25 more41 hr
May 23, 8:11 AM EDTAreal Flood AdvisoryRAHGuilford3 hr
May 23, 1:00 PM EDTAreal Flood AdvisoryRAHForsyth, Guilford6 hr
May 23, 4:34 PM EDTAreal Flood AdvisoryRAHWake3 hr
May 23, 5:24 PM EDTTornado Warning Tornado observedRAHSampson36 min
May 23, 7:03 PM EDTAreal Flood AdvisoryRAHEdgecombe, Halifax, Nash, Wilson3 hr

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.