Alert archive / North Carolina / Tornado Warnings in 2012
Tornado Warning 12, NWS Raleigh, NC
NWS Raleigh, NC issued this tornado warning at Sep 18, 2012, 2:37 PM EDT for Granville County, North Carolina. It was in force for 21 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 18, 2012, 2:37 PM EDT (18:37 UTC)
- Expired
- Sep 18, 2012, 2:58 PM EDT
- In force
- 21 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
County Granville County, NC
The radar
The Raleigh/Durham radar (KRAX), 82 km from the middle of the area, began a volume at 18:38 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 18, 9:45 AM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 6.6 hours before the alert went out and 120 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.
- Mixed-layer CAPE
- 293 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 586 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 354 m²/s²
- 0-3 km storm-relative helicity
- 314 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 6.0
The text
As transmitted, in the capitals the NWS used until 2016.
002
WFUS52 KRAH 181837
TORRAH
NCC077-181915-
/O.NEW.KRAH.TO.W.0012.120918T1837Z-120918T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
237 PM EDT TUE SEP 18 2012
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL GRANVILLE COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 315 PM EDT
* AT 233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 5 MILES SOUTHWEST OF BEREA...OR 12 MILES WEST OF OXFORD...
MOVING NORTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
BEREA...
OXFORD...
STOVALL...
THIS INCLUDES INTERSTATE 85 BETWEEN EXITS 202 AND 206.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING...1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT TUESDAY AFTERNOON
FOR CENTRAL NORTH CAROLINA.
&&
LAT...LON 3649 7851 3629 7851 3620 7880 3638 7880
3650 7854
TIME...MOT...LOC 1837Z 241DEG 26KT 3629 7877
$$
MWS3 follow-up statements
558
WWUS52 KRAH 181844
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
244 PM EDT TUE SEP 18 2012
NCC077-181915-
/O.CON.KRAH.TO.W.0012.000000T0000Z-120918T1915Z/
GRANVILLE NC-
244 PM EDT TUE SEP 18 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR CENTRAL
GRANVILLE COUNTY...
AT 242 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BEREA...OR 8 MILES
WEST OF OXFORD...MOVING NORTHEAST AT 30 MPH.
HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
OTHER DAMAGING WINDS IN EXCESS OF 58 MPH.
LOCATIONS IN THE PATH OF THE STORM INCLUDE... STOVALL.
THIS INCLUDES INTERSTATE 85 BETWEEN EXITS 202 AND 206.
HEAVY RAINFALL MAY HIDE THIS TORNADO MAKING IT DIFFICULT TO SEE. DO
NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.
WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF
TORNADOES...FUNNEL CLOUDS...AND WIND DAMAGE SUCH AS TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE
AT...1...8 7 7...6 3 3...6 7 7 2.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT TUESDAY AFTERNOON
FOR CENTRAL NORTH CAROLINA.
LAT...LON 3649 7851 3629 7851 3624 7871 3627 7876
3638 7880 3650 7854
TIME...MOT...LOC 1844Z 233DEG 28KT 3631 7872
$$
MWS955
WWUS52 KRAH 181852
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
252 PM EDT TUE SEP 18 2012
NCC077-181915-
/O.CON.KRAH.TO.W.0012.000000T0000Z-120918T1915Z/
GRANVILLE NC-
252 PM EDT TUE SEP 18 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR NORTHERN
GRANVILLE COUNTY...
AT 249 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BEREA...OR NEAR
OXFORD...MOVING NORTHEAST AT 30 MPH.
HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
OTHER DAMAGING WINDS IN EXCESS OF 58 MPH.
LOCATIONS IN THE PATH OF THE STORM INCLUDE... STOVALL.
WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF
TORNADOES...FUNNEL CLOUDS...AND WIND DAMAGE SUCH AS TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE
AT...1...8 7 7...6 3 3...6 7 7 2.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT TUESDAY AFTERNOON
FOR CENTRAL NORTH CAROLINA.
LAT...LON 3633 7851 3628 7868 3630 7873 3636 7875
3641 7874 3650 7854 3649 7851
TIME...MOT...LOC 1851Z 233DEG 28KT 3635 7867
$$
MWS942
WWUS52 KRAH 181858
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
258 PM EDT TUE SEP 18 2012
NCC077-181908-
/O.CAN.KRAH.TO.W.0012.000000T0000Z-120918T1915Z/
GRANVILLE NC-
258 PM EDT TUE SEP 18 2012
...THE TORNADO WARNING FOR NORTHERN GRANVILLE COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND THE WARNING IS
NO LONGER IN EFFECT.
IF YOU OBSERVED SEVERE WEATHER INCLUDING TORNADOES...FUNNEL
CLOUDS...AND WIND DAMAGE SUCH AS TREES OR LARGE LIMBS DOWNED...
PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
1...8 7 7...6 3 3...6 7 7 2...OR NOTIFY YOUR NEAREST LAW ENFORCEMENT
AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER
SERVICE FORECAST OFFICE IN RALEIGH.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT TUESDAY AFTERNOON
FOR CENTRAL NORTH CAROLINA.
LAT...LON 3633 7851 3628 7868 3630 7873 3636 7875
3641 7874 3650 7854 3649 7851
TIME...MOT...LOC 1858Z 233DEG 28KT 3638 7862
$$
MWSThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 8:32 PM EDT | Special Weather Statement | RAH | Davie | 58 min |
| Sep 17, 10:33 PM EDT | Special Weather Statement | RAH | Forsyth | 27 min |
| Sep 18, 6:52 AM EDT | Special Weather Statement | RAH | Anson, Stanly | 38 min |
| Sep 18, 7:46 AM EDT | Special Weather Statement | RAH | Anson, Montgomery, Richmond, Stanly | 89 min |
| Sep 18, 8:04 AM EDT | Special Weather Statement | RAH | Davidson, Guilford, Randolph | 86 min |
| Sep 18, 8:34 AM EDT | Special Weather Statement | RAH | Montgomery | 56 min |
| Sep 18, 8:56 AM EDT | Special Weather Statement | RAH | Alamance, Chatham, Guilford, Randolph | 94 min |
| Sep 18, 9:34 AM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Orange | 56 min |
| Sep 18, 10:45 AM EDT | Severe Thunderstorm Warning | RAH | Durham, Granville, Person, Vance | 45 min |
| Sep 18, 11:35 AM EDT | Special Weather Statement | RAH | Orange | 40 min |
| Sep 18, 11:52 AM EDT | Areal Flood Advisory | RAH | Alamance, Chatham, Randolph | 2 hr |
| Sep 18, 12:03 PM EDT | Special Weather Statement | RAH | Granville, Orange | 57 min |
| Sep 18, 12:14 PM EDT | Special Weather Statement | RAH | Chatham | 31 min |
| Sep 18, 12:50 PM EDT | Special Weather Statement | RAH | Person | 25 min |
| Sep 18, 12:55 PM EDT | Special Weather Statement | RAH | Anson, Montgomery, Moore, Richmond, Scotland | 65 min |
| Sep 18, 1:29 PM EDT | Special Weather Statement | RAH | Granville | 46 min |
| Sep 18, 1:37 PM EDT | Severe Thunderstorm Warning | RAH | Granville, Vance | 53 min |
| Sep 18, 1:40 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Halifax, Warren | 35 min |
| Sep 18, 1:47 PM EDT | Special Weather Statement | RAH | Chatham, Harnett, Hoke, Lee | 58 min |
| Sep 18, 2:27 PM EDT | Special Weather Statement | RAH | Alamance, Chatham, Orange, Randolph | 63 min |
| Sep 18, 2:40 PM EDT | Special Weather Statement | RAH | Cumberland, Harnett, Johnston | 65 min |
| Sep 18, 2:43 PM EDT | Special Weather Statement | RAH | Franklin, Wake | 62 min |
| Sep 18, 2:51 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Johnston, Wake | 54 min |
| Sep 18, 3:04 PM EDT | Areal Flood Advisory | RAH | Wake | 2 hr |
| Sep 18, 3:13 PM EDT | Special Weather Statement | RAH | Chatham, Durham, Granville, Vance | 32 min |
| Sep 18, 3:19 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Harnett, Johnston, Sampson | 41 min |
| Sep 18, 3:24 PM EDT | Tornado Warning | RAH | Cumberland, Johnston, Sampson | 23 min |
| Sep 18, 3:27 PM EDT | Special Weather Statement | RAH | Warren | 33 min |
| Sep 18, 3:37 PM EDT | Flash Flood Warning | RAH | Wake | 93 min |
| Sep 18, 3:38 PM EDT | Tornado Warning | RAH | Franklin, Nash, Wake | 14 min |
| Sep 18, 3:52 PM EDT | Special Weather Statement | RAH | Johnston, Wilson | 53 min |
| Sep 18, 3:56 PM EDT | Special Weather Statement | RAH | Halifax, Nash | 64 min |
| Sep 18, 5:01 PM EDT | Special Weather Statement | RAH | Halifax | 44 min |
| Sep 18, 5:09 PM EDT | Areal Flood Advisory | RAH | Halifax | 85 min |
Nearby
Tornado Warnings in North Carolina, 2012Every tornado warning in 2012Tornadoes in 2012
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.