Alert archive / North Carolina / Tornado Watches in 2005
Tornado Watch 620
The Storm Prediction Center issued this tornado watch at Jul 7, 2005, 3:45 PM EDT for 23 counties in North Carolina; 9 counties in Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2005, 3:45 PM EDT (19:45 UTC)
- Expired
- Jul 7, 2005, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 32 counties
Alamance County, NC, Cabarrus County, NC, Caswell County, NC, Chatham County, NC, Davidson County, NC, Davie County, NC, Durham County, NC, Forsyth County, NC, Granville County, NC, Guilford County, NC, Iredell County, NC, Mecklenburg County, NC, Montgomery County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Rockingham County, NC, Rowan County, NC, Stanly County, NC, Stokes County, NC, Surry County, NC, Union County, NC, Yadkin County, NC, Appomattox County, VA, Campbell County, VA, Charlotte County, VA, City of Danville, VA, City of Martinsville, VA, Halifax County, VA, Henry County, VA, Patrick County, VA, Pittsylvania County, VA
The radar
The Roanoke radar (KFCX), 101 km from the middle of the area, began a volume at 19:47 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.
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 3:48 PM EDT | Severe Thunderstorm Warning | GSP | Rowan | 13 min |
| Jul 7, 3:49 PM EDT | Flash Flood Warning | RAH | Forsyth | 116 min |
| Jul 7, 3:55 PM EDT | Tornado Warning | RNK | Rockingham | 35 min |
| Jul 7, 4:01 PM EDT | Flash Flood Warning | GSP | Cabarrus, Mecklenburg | 3 hr |
| Jul 7, 4:02 PM EDT | Tornado Warning | RNK | Stokes | 31 min |
| Jul 7, 4:16 PM EDT | Tornado Warning | RNK | Pittsylvania | 44 min |
| Jul 7, 4:21 PM EDT | Flash Flood Warning | GSP | Davie, Rowan | 3 hr |
| Jul 7, 4:29 PM EDT | Tornado Warning | RNK | Rockingham | 48 min |
| Jul 7, 4:59 PM EDT | Tornado Warning | RNK | Pittsylvania, City of Danville | 61 min |
| Jul 7, 5:02 PM EDT | Tornado Warning | RAH | Guilford | 30 min |
| Jul 7, 5:10 PM EDT | Tornado Warning | RNK | Caswell | 28 min |
| Jul 7, 5:26 PM EDT | Tornado Warning | RAH | Montgomery, Randolph | 49 min |
| Jul 7, 5:43 PM EDT | Severe Thunderstorm Warning | RNK | Halifax | 57 min |
| Jul 7, 5:57 PM EDT | Severe Thunderstorm Warning | RAH | Montgomery | 48 min |
| Jul 7, 7:04 PM EDT | Severe Thunderstorm Warning | RAH | Chatham | 50 min |
| Jul 7, 8:02 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Wake | 41 min |
| Jul 7, 9:00 PM EDT | Flash Flood Warning | RNK | Charlotte | 2 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.8 hours before the alert went out and 19 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
- 309 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1315 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 071945
SEL0
SPC WW 071945
NCZ000-SCZ000-VAZ000-080200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 620
NWS STORM PREDICTION CENTER NORMAN OK
345 PM EDT THU JUL 7 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND PART OF WESTERN NORTH CAROLINA
FAR NORTH CENTRAL SOUTH CAROLINA
SOUTHWEST AND SOUTH CENTRAL VIRGINIA
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 345 PM UNTIL
1000 PM EDT.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 15 MILES NORTHWEST OF CHARLOTTE
NORTH CAROLINA TO 45 MILES EAST NORTHEAST OF DANVILLE VIRGINIA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 618. WATCH NUMBER 618 WILL NOT BE IN EFFECT AFTER 345
PM EDT. CONTINUE...WW 619...
DISCUSSION...SURFACE LOW WHICH IS THE REMNANTS OF T.S. CINDY WAS
LOCATED OVER WRN NC...AND WILL CONTINUE MOVING NEWD TOWARDS CENTRAL
VA THROUGH THE EVENING. ENHANCED LOW LEVEL SHEAR NEAR THE
CENTER...AND AS STORMS INTERACT WITH SURFACE WARM FRONT EXTENDING
NEWD AWAY FROM THE LOW...WILL MAINTAIN A THREAT OF TORNADOES AND
DAMAGING WINDS GIVEN MAGNITUDE OF INSTABILITY AND LOW LEVEL SHEAR.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 22030.
...EVANS
361,0810 374,0783 355,0783 342,0810SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 1:47 AM EDT | Mesoscale Discussion | SPC | Cherokee, Clay, Macon, Polk, Transylvania | 28 min |
| Jul 7, 3:10 AM EDT | Tornado Watch | SPC | Cabarrus, Catawba, Cleveland, Davie, Gaston, Henderson and 8 more | 6 hr |
| Jul 7, 5:44 AM EDT | Mesoscale Discussion | SPC | Alexander, Burke, Cabarrus, Catawba, Cleveland, Davie and 10 more | 91 min |
| Jul 7, 8:43 AM EDT | Mesoscale Discussion | SPC | Alamance, Alexander, Anson, Burke, Cabarrus, Caldwell and 33 more | 32 min |
| Jul 7, 9:00 AM EDT | Tornado Watch | SPC | Alamance, Alexander, Burke, Cabarrus, Caldwell, Caswell and 27 more | 7 hr |
| Jul 7, 12:33 PM EDT | Mesoscale Discussion | SPC | Alexander, Burke, Caldwell, Caswell, Catawba, Cleveland and 15 more | 117 min |
| Jul 7, 1:17 PM EDT | Mesoscale Discussion | SPC | Bertie, Chowan, Dare, Edgecombe, Halifax, Hertford and 8 more | 88 min |
| Jul 7, 2:05 PM EDT | Tornado Watch | SPC | Bertie, Camden, Chowan, Currituck, Dare, Edgecombe and 14 more | 8 hr |
| Jul 7, 4:47 PM EDT | Mesoscale Discussion | SPC | Halifax, Northampton | 118 min |
| Jul 7, 6:01 PM EDT | Mesoscale Discussion | SPC | Bertie, Camden, Chatham, Chowan, Currituck, Dare and 20 more | 59 min |
Nearby
Tornado Watches in North Carolina, 2005Tornado Watches in Virginia, 2005Every tornado watch in 2005
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.