Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 15, NWS Wilmington, NC

September 1, 2017Robeson County, North Carolina

NWS Wilmington, NC issued this tornado warning at Sep 1, 2017, 5:56 PM EDT for Robeson County, North Carolina. It was in force for 49 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
Sep 1, 2017, 5:56 PM EDT (21:56 UTC)
Expired
Sep 1, 2017, 6:45 PM EDT
In force
49 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Robeson County, NC

The radar

The Raleigh/Durham radar (KRAX), 110 km from the middle of the area, began a volume at 21:58 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 1, 1:49 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.9 hours before the alert went out and 155 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 2017-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 208 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 2017-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
208 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

974 
WFUS52 KILM 012156
TORILM
NCC155-012245-
/O.NEW.KILM.TO.W.0015.170901T2156Z-170901T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
556 PM EDT FRI SEP 1 2017

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Northern Robeson County in southeastern North Carolina...

* Until 645 PM EDT
    
* At 552 PM EDT, a severe thunderstorm capable of producing a 
  tornado was located 5 miles northwest of Maxton, or 7 miles 
  northeast of Laurinburg, moving northeast at 35 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

* Locations impacted include...
  Red Springs, Maxton, St. Pauls, Wakulla, Rex, Shannon, Prospect,
  Parkton, Rennert and Lumber Bridge.

This includes the following highways...
 Interstate 74 near mile marker 191, and between mile markers 192 and
193, and near mile marker 194.
 Interstate 95 IN North Carolina between mile markers 31 and 38.

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 3491 7896 3489 7893 3486 7893 3483 7890
      3469 7939 3470 7940 3477 7933 3482 7936
      3484 7935 3483 7919 3495 7903
TIME...MOT...LOC 2152Z 246DEG 29KT 3481 7935 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DCH
2 follow-up statements
650 
WWUS52 KILM 012229
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
629 PM EDT FRI SEP 1 2017

NCC155-012245-
/O.CON.KILM.TO.W.0015.000000T0000Z-170901T2245Z/
Robeson NC-
629 PM EDT FRI SEP 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR
NORTHEASTERN ROBESON COUNTY...
    
At 625 PM EDT, a severe thunderstorm capable of producing a tornado 
was located between Red Springs and Antioch, moving northeast at 30 
mph. This storm will move along the northern Robeson county line and 
possibly affect Lumber Bridge and Parkton.

HAZARD...Tornado and quarter size hail. 

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...
Red Springs, St. Pauls, Rex, Shannon, Parkton, Rennert and Lumber
Bridge.

This includes Interstate 95 IN North Carolina between mile markers 32
and 38.
 
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 3491 7896 3489 7893 3486 7893 3483 7890
      3478 7910 3477 7915 3477 7917 3483 7925
      3483 7919 3495 7903
TIME...MOT...LOC 2225Z 247DEG 24KT 3488 7915 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DCH
093 
WWUS52 KILM 012246
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
646 PM EDT FRI SEP 1 2017

NCC155-012256-
/O.EXP.KILM.TO.W.0015.000000T0000Z-170901T2245Z/
Robeson NC-
646 PM EDT FRI SEP 1 2017

...THE TORNADO WARNING FOR NORTHEASTERN ROBESON COUNTY HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.

A tornado watch remains in effect until 1000 PM EDT for southeastern
North Carolina.

LAT...LON 3491 7896 3489 7893 3486 7893 3483 7890
      3478 7910 3477 7915 3477 7917 3483 7925
      3483 7919 3495 7903
TIME...MOT...LOC 2246Z 246DEG 29KT 3494 7898 

$$

DCH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 2:50 PM EDTSpecial Weather StatementILMPender55 min
Sep 1, 3:39 PM EDTSpecial Weather StatementILMRobeson66 min
Sep 1, 3:47 PM EDTSpecial Weather StatementILMPender28 min
Sep 1, 7:39 PM EDTSpecial Weather StatementILMRobeson36 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.