Alert archive / North Carolina / Tornado Warnings in 2016

Tornado Warning 25, NWS Raleigh, NC

July 30, 2016Warren County, North Carolina

NWS Raleigh, NC issued this tornado warning at Jul 30, 2016, 6:48 PM EDT for Warren County, North Carolina. It was in force for 27 min. 1 report 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: Jul 30, 2016, 6:48 PM EDT (22:48 UTC)
Expired: Jul 30, 2016, 7:15 PM EDT
In force: 27 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Warren County, NC

The radar

The Raleigh/Durham radar (KRAX), 94 km from the middle of the area, began a volume at 22:52 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

Time	Report	Where	Remark
Jul 30, 6:50 PM EDT	TSTM WND DMG	3 Nw Wise, NC	TREES DOWN ON ROOKER DAIRY ROAD. TIME ESTIMATED BY RADAR.

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 10.8 hours before the alert went out and 143 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

997 
WFUS52 KRAH 302248
TORRAH
NCC185-302315-
/O.NEW.KRAH.TO.W.0025.160730T2248Z-160730T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
648 PM EDT SAT JUL 30 2016

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN WARREN COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 715 PM EDT
    
* AT 648 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR NORLINA...OR 8 MILES NORTHWEST OF
  WARRENTON...MOVING SOUTHEAST AT 10 MPH.

  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...
  WARRENTON...NORLINA...MACON...DREWRY...WISE...
  AFTON AND LAKE GASTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED
FOR THE SAME AREA.

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 3647 7797 3628 7820 3640 7830 3653 7832
      3654 7830 3655 7829 3654 7810
TIME...MOT...LOC 2248Z 315DEG 8KT 3650 7824 

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

$$

10

2 follow-up statements

780 
WWUS52 KRAH 302305
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
705 PM EDT SAT JUL 30 2016

NCC185-302315-
/O.CON.KRAH.TO.W.0025.000000T0000Z-160730T2315Z/
WARREN NC-
705 PM EDT SAT JUL 30 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR NORTHERN
WARREN COUNTY...
    
AT 705 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER NORLINA...OR NEAR WARRENTON...MOVING SOUTHEAST AT 15
MPH.

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...
WARRENTON...NORLINA...MACON...WISE AND LAKE GASTON. 

LAT...LON 3647 7797 3634 7813 3648 7825 3650 7824
      3654 7821 3654 7810
TIME...MOT...LOC 2305Z 307DEG 11KT 3646 7817 

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

$$

GIH

097 
WWUS52 KRAH 302317
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
717 PM EDT SAT JUL 30 2016

NCC185-302327-
/O.EXP.KRAH.TO.W.0025.000000T0000Z-160730T2315Z/
WARREN NC-
717 PM EDT SAT JUL 30 2016

...THE TORNADO WARNING FOR NORTHERN WARREN COUNTY HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3647 7797 3634 7813 3648 7825 3650 7824
      3654 7821 3654 7810
TIME...MOT...LOC 2314Z 315DEG 8KT 3646 7817 

$$

GIH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 12:20 PM EDT	Heat Advisory	RAH	Cumberland, Edgecombe, Hoke, Sampson, Scotland, Wayne and 1 more	8 hr
Jul 30, 1:02 PM EDT	Special Weather Statement	RAH	Wayne	28 min
Jul 30, 1:07 PM EDT	Special Weather Statement	RAH	Moore, Richmond	38 min
Jul 30, 2:41 PM EDT	Special Weather Statement	RAH	Warren	34 min
Jul 30, 5:00 PM EDT	Areal Flood Advisory	RAH	Halifax	60 min
Jul 30, 5:31 PM EDT	Special Weather Statement	RAH	Franklin	44 min
Jul 30, 6:09 PM EDT	Areal Flood Advisory	RAH	Franklin	66 min
Jul 30, 6:37 PM EDT	Severe Thunderstorm Warning	RAH	Warren	38 min
Jul 30, 7:08 PM EDT	Special Weather Statement	RAH	Harnett	52 min
Jul 30, 7:14 PM EDT	Special Weather Statement	RAH	Person	46 min
Jul 30, 7:22 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Orange, Person	18 min

Nearby

Tornado Warnings in North Carolina, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.