Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 7, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Feb 24, 2012, 3:35 PM EST for Forsyth County, Guilford County, North Carolina. It was in force for 55 min. 3 reports 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
- Feb 24, 2012, 3:35 PM EST (20:35 UTC)
- Expired
- Feb 24, 2012, 4:30 PM EST
- In force
- 55 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
Counties Forsyth County, NC, Guilford County, NC
The radar
The Roanoke radar (KFCX), 107 km from the middle of the area, began a volume at 20:38 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 24, 4:01 PM EST | TSTM WND GST 53 | Piedmont Triad Apt, NC | GREENSBORO AIRPORT GUSTED TO 53 MPH AT 401 PM |
| Feb 24, 4:04 PM EST | TSTM WND DMG | 2 N Greensboro, NC | MULTIPLE REPORTS OF TREES DOWN IN NORTHERN GREENSBORO. |
| Feb 24, 4:05 PM EST | TSTM WND DMG | 3 Nw Greensboro, NC | TREE DOWN ON WESTRIDGE RD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 24, 1:19 PM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.6 hours before the alert went out and 6 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
- 150 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 345 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
973
WUUS52 KRAH 242035
SVRRAH
NCC067-081-242130-
/O.NEW.KRAH.SV.W.0007.120224T2035Z-120224T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
335 PM EST FRI FEB 24 2012
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN FORSYTH COUNTY IN CENTRAL NORTH CAROLINA
GUILFORD COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 430 PM EST
* AT 332 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 8 MILES WEST OF WALKERTOWN...OR OVER
WINSTON-SALEM...MOVING EAST AT 60 MPH. QUARTER SIZED HAIL AND WINDS
IN EXCESS OF 58 MPH ARE LIKELY WITH THIS STORM.
* LOCATIONS IMPACTED INCLUDE...
WALKERTOWN...
BELEWS CREEK...
STOKESDALE...
SUMMERFIELD...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
LARGE HAIL WILL DAMAGE VEHICLES...WINDOWS AND SOME ROOFS. SEVERE
WINDS WILL BLOW DOWN TREES...POWER LINES...AND CAN DAMAGE MOBILE
HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED. STAY AWAY FROM WINDOWS.
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 800 PM EST FRIDAY EVENING FOR
CENTRAL NORTH CAROLINA.
&&
LAT...LON 3626 8020 3625 7954 3590 7954 3592 8004
3601 8005 3603 8021
TIME...MOT...LOC 2034Z 251DEG 53KT 3617 8026
$$
224 follow-up statements
754
WWUS52 KRAH 242048
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
348 PM EST FRI FEB 24 2012
NCC067-081-242130-
/O.CON.KRAH.SV.W.0007.000000T0000Z-120224T2130Z/
FORSYTH NC-GUILFORD NC-
348 PM EST FRI FEB 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EST
FOR GUILFORD AND EASTERN FORSYTH COUNTIES...
AT 345 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR
KERNERSVILLE...OR 6 MILES SOUTH OF BELEWS CREEK...MOVING EAST AT 50
MPH.
HAZARDS IN THE WARNING INCLUDE...
QUARTER SIZED HAIL.
DAMAGING WINDS IN EXCESS OF 58 MPH.
LOCATIONS IN THE PATH OF THE STORM INCLUDE... COLFAX...HIGH POINT...
STOKESDALE...JAMESTOWN...SUMMERFIELD...GREENSBORO...PLEASANT
GARDEN...LAKE TOWNSEND...AND GIBSONVILLE.
WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST FRIDAY EVENING FOR
CENTRAL NORTH CAROLINA.
LAT...LON 3626 8020 3625 7954 3590 7954 3592 8004
3601 8005 3603 8021
TIME...MOT...LOC 2047Z 264DEG 45KT 3616 8005
$$
22990 WWUS52 KRAH 242101 SVSRAH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 401 PM EST FRI FEB 24 2012 NCC067-242111- /O.CAN.KRAH.SV.W.0007.000000T0000Z-120224T2130Z/ FORSYTH NC- 401 PM EST FRI FEB 24 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FORSYTH COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND THE WARNING IS NO LONGER IN EFFECT. IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE HAIL...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. THIS INCLUDES INTERSTATE 40 BETWEEN EXITS 196 AND 203. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST FRIDAY EVENING FOR CENTRAL NORTH CAROLINA. LAT...LON 3625 7954 3590 7954 3592 8004 3626 8003 TIME...MOT...LOC 2101Z 264DEG 47KT 3615 7988 $$ NCC081-242130- /O.CON.KRAH.SV.W.0007.000000T0000Z-120224T2130Z/ GUILFORD NC- 401 PM EST FRI FEB 24 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EST FOR GUILFORD COUNTY... AT 358 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR SUMMERFIELD...OR 7 MILES NORTHWEST OF GREENSBORO...MOVING EAST AT 55 MPH. HAZARDS IN THE WARNING INCLUDE... QUARTER SIZED HAIL. DAMAGING WINDS IN EXCESS OF 58 MPH. LOCATIONS IN THE PATH OF THE STORM INCLUDE... PLEASANT GARDEN...LAKE TOWNSEND...CLIMAX...FOREST OAKS...MONTICELLO...GREENSBORO AND GIBSONVILLE. WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT... 1...8 7 7...6 3 3...6 7 7 2. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST FRIDAY EVENING FOR CENTRAL NORTH CAROLINA. LAT...LON 3625 7954 3590 7954 3592 8004 3626 8003 TIME...MOT...LOC 2101Z 264DEG 47KT 3615 7988 $$ 22
561 WWUS52 KRAH 242115 SVSRAH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 415 PM EST FRI FEB 24 2012 NCC081-242130- /O.CON.KRAH.SV.W.0007.000000T0000Z-120224T2130Z/ GUILFORD NC- 415 PM EST FRI FEB 24 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EST FOR EASTERN GUILFORD COUNTY... AT 411 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR LAKE TOWNSEND...OR 7 MILES NORTHEAST OF GREENSBORO...MOVING EAST AT 50 MPH. ADDITIONAL SEVERE WEATHER WILL BE POSSIBLE WITH A THUNDERSTORM MOVING ALONG THE GUILFORD AND RANDOLPH COUNTY LINE NEAR CLIMAX. HAZARDS IN THE WARNING INCLUDE... DAMAGING WINDS IN EXCESS OF 58 MPH. LOCATIONS IN THE PATH OF THE STORM INCLUDE... MONTICELLO...CLIMAX... MCLEANSVILLE AND GIBSONVILLE. WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING 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 800 PM EST FRIDAY EVENING FOR CENTRAL NORTH CAROLINA. LAT...LON 3625 7954 3590 7954 3592 7995 3624 7978 TIME...MOT...LOC 2113Z 268DEG 44KT 3615 7970 $$ 22
688 WWUS52 KRAH 242128 SVSRAH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 428 PM EST FRI FEB 24 2012 NCC081-242138- /O.EXP.KRAH.SV.W.0007.000000T0000Z-120224T2130Z/ GUILFORD NC- 428 PM EST FRI FEB 24 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GUILFORD COUNTY EXPIRES AT 430 PM EST... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND THE WARNING WILL BE ALLOWED TO EXPIRE. IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE HAIL...PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE 1...8 7 7...6 3 3...6 7 7 2...OR NOTIFY YOUR NEAREST LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN RALEIGH. THIS INCLUDES INTERSTATE 40 BETWEEN EXITS 37 AND 219. THIS INCLUDES INTERSTATE 85 BETWEEN EXITS 113 AND 131. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST FRIDAY EVENING FOR CENTRAL NORTH CAROLINA. LAT...LON 3625 7954 3590 7954 3592 7995 3624 7978 TIME...MOT...LOC 2128Z 268DEG 44KT 3616 7947 $$ 22
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 12:07 PM EST | Special Weather Statement | RAH | Cumberland, Hoke, Sampson, Scotland, Wayne | 53 min |
| Feb 24, 1:24 PM EST | Special Weather Statement | RAH | Sampson | 51 min |
| Feb 24, 2:08 PM EST | Fire Weather Watch | RAH | Alamance, Davidson, Forsyth, Guilford, Person, Randolph and 1 more | 16 hr |
| Feb 24, 2:26 PM EST | Special Weather Statement | RAH | Sampson | 64 min |
| Feb 24, 2:37 PM EST | Special Weather Statement | RAH | Forsyth | 53 min |
| Feb 24, 2:58 PM EST | Severe Thunderstorm Warning | RAH | Forsyth | 47 min |
| Feb 24, 3:15 PM EST | Severe Thunderstorm Warning | RAH | Davidson | 60 min |
| Feb 24, 3:49 PM EST | Severe Thunderstorm Warning | RAH | Randolph | 56 min |
| Feb 24, 4:10 PM EST | Severe Thunderstorm Warning | RAH | Alamance, Orange, Person | 65 min |
| Feb 24, 4:16 PM EST | Severe Thunderstorm Warning | RAH | Davidson, Montgomery, Stanly | 49 min |
| Feb 24, 4:34 PM EST | Severe Thunderstorm Warning | RAH | Chatham, Randolph | 56 min |
| Feb 24, 4:36 PM EST | Special Weather Statement | RAH | Chatham, Durham, Franklin, Granville, Harnett, Lee and 4 more | 84 min |
| Feb 24, 4:42 PM EST | Severe Thunderstorm Warning | RAH | Durham, Granville, Vance | 63 min |
| Feb 24, 5:04 PM EST | Severe Thunderstorm Warning | RAH | Franklin, Wake, Warren | 56 min |
| Feb 24, 5:31 PM EST | Special Weather Statement | RAH | Edgecombe, Halifax, Nash | 89 min |
| Feb 24, 5:38 PM EST | Severe Thunderstorm Warning | RAH | Halifax, Warren | 37 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.