Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 8, NWS Wilmington, NC

May 5, 2017New Hanover County, Pender County, North Carolina

NWS Wilmington, NC issued this tornado warning at May 5, 2017, 4:36 AM EDT for New Hanover County, Pender County, North Carolina. It was in force for 24 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 5, 2017, 4:36 AM EDT (08:36 UTC)
Expired
May 5, 2017, 5:00 AM EDT
In force
24 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties New Hanover County, NC, Pender County, NC

The radar

The Wilmington radar (KLTX), 65 km from the middle of the area, began a volume at 08:37 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 5, 3:09 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 8.6 hours before the alert went out and 102 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 00:00Z on 2017-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2017-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
132 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1061 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

491 
WFUS52 KILM 050836
TORILM
NCC129-141-050900-
/O.NEW.KILM.TO.W.0008.170505T0836Z-170505T0900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
436 AM EDT FRI MAY 5 2017

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Northeastern New Hanover County in southeastern North Carolina...
  Southeastern Pender County in southeastern North Carolina...

* Until 500 AM EDT
    
* At 436 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Wrightsville Beach, moving north at 25 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

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

* Locations impacted include...
  Wilmington, Wrightsville Beach, Figure Eight Island, Hampstead,
  Topsail Beach, Mayfaire, Cape Fear Community College North Campus,
  Wilmington International Airport, Silver Lake, Murrayville,
  Masonboro, Topsail, Windemere, Bayshore, Scotts Hill, Ogden,
  Porters Neck, Landfall, Kings Grant and Seagate.

People attending UNC Wilmington Graduation, and PGA should seek safe
shelter immediately!

This includes the following highways...
 Interstate 40 between mile markers 409 and 416.
 Interstate 140 

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 3427 7775 3417 7783 3413 7785 3415 7793
      3444 7788 3438 7761
TIME...MOT...LOC 0836Z 196DEG 22KT 3420 7780 

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

$$

SHK
2 follow-up statements
022 
WWUS52 KILM 050845
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
445 AM EDT FRI MAY 5 2017

NCC129-141-050900-
/O.CON.KILM.TO.W.0008.000000T0000Z-170505T0900Z/
New Hanover NC-Pender NC-
445 AM EDT FRI MAY 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM EDT FOR
NORTHEASTERN NEW HANOVER AND SOUTHEASTERN PENDER COUNTIES...
    
At 444 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Ogden, or over Figure Eight Island, moving north at
35 mph.

HAZARD...TORNADO. 

SOURCE...Radar indicated rotation. 

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

Locations impacted include...
Wilmington, Wrightsville Beach, Figure Eight Island, Hampstead,
Topsail Beach, Topsail, Bayshore, Scotts Hill, Ogden, Porters Neck
and Landfall.

People attending PGA should seek safe shelter immediately!

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 3420 7780 3421 7783 3442 7780 3438 7761
      3427 7775
TIME...MOT...LOC 0844Z 196DEG 22KT 3425 7778 

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

$$

SHK
888 
WWUS52 KILM 050852
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
452 AM EDT FRI MAY 5 2017

NCC129-141-050902-
/O.EXP.KILM.TO.W.0008.000000T0000Z-170505T0900Z/
New Hanover NC-Pender NC-
452 AM EDT FRI MAY 5 2017

...THE TORNADO WARNING FOR NORTHEASTERN NEW HANOVER AND SOUTHEASTERN
PENDER COUNTIES WILL EXPIRE AT 500 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 900 AM EDT for southeastern
North Carolina.

LAT...LON 3420 7780 3421 7783 3442 7780 3438 7761
      3427 7775
TIME...MOT...LOC 0852Z 196DEG 22KT 3428 7777 

$$

SHK

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 9:22 PM EDTSpecial Weather StatementILMBrunswick53 min
May 5, 12:20 AM EDTSpecial Weather StatementILMColumbus40 min
May 5, 3:12 AM EDTCoastal Flood AdvisoryILMNew Hanover4 hr
May 5, 4:09 AM EDTSpecial Weather StatementILMNew Hanover, Pender66 min
May 5, 4:11 AM EDTSevere Thunderstorm WarningILMBladen, Columbus, Robeson64 min
May 5, 4:55 AM EDTTornado WarningILMBladen, Columbus20 min
May 5, 5:13 AM EDTTornado WarningILMPender32 min
May 5, 5:25 AM EDTBeach Hazards StatementILMBrunswick, New Hanover, Pender15 hr
May 5, 5:25 AM EDTRip Current StatementILMBrunswick, New Hanover, Pender12 hr
May 5, 5:25 AM EDTSpecial Weather StatementILMPender20 min
May 5, 5:33 AM EDTSpecial Weather StatementILMNew Hanover27 min
May 5, 6:05 AM EDTAreal Flood AdvisoryILMBrunswick, New Hanover, Pender85 min
May 5, 6:37 AM EDTSpecial Weather StatementILMPender23 min
May 5, 5:05 PM EDTCoastal Flood AdvisoryILMNew Hanover4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.