Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 29, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Mar 24, 2012, 5:52 PM EDT for Guilford County, Randolph County, North Carolina. It was in force for 83 min. 2 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
- Mar 24, 2012, 5:52 PM EDT (21:52 UTC)
- Expired
- Mar 24, 2012, 7:15 PM EDT
- In force
- 83 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
Counties Guilford County, NC, Randolph County, NC
The radar
The Raleigh/Durham radar (KRAX), 126 km from the middle of the area, began a volume at 21:51 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 |
|---|---|---|---|
| Mar 24, 6:20 PM EDT | HAIL 0.88 | 2 Wnw Archdale, NC | |
| Mar 24, 6:40 PM EDT | HAIL 1 | 4 W Pleasant Garden, NC | QUARTER SIZED HAIL AT OLD RANDLEMAN ROAD AND HIGHWAY 220 |
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 |
|---|---|---|---|
| Mar 24, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 24, 3:38 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.9 hours before the alert went out and 17 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
- 226 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
126 WUUS52 KRAH 242152 SVRRAH NCC081-151-242315- /O.NEW.KRAH.SV.W.0029.120324T2152Z-120324T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 552 PM EDT SAT MAR 24 2012 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN GUILFORD COUNTY IN CENTRAL NORTH CAROLINA NORTHERN RANDOLPH COUNTY IN CENTRAL NORTH CAROLINA * UNTIL 715 PM EDT * AT 547 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES SOUTHWEST OF TRINITY...OR OVER LEXINGTON...MOVING NORTHEAST AT 25 MPH. QUARTER SIZED HAIL AND WINDS IN EXCESS OF 58 MPH ARE LIKELY WITH THIS STORM. * LOCATIONS IMPACTED INCLUDE... TRINITY... ARCHDALE... PLEASANT GARDEN...CLIMAX... FOREST OAKS... 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. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. BE PREPARED TO MOVE QUICKLY TO AN INTERIOR ROOM OF A SAFE SHELTER IF YOU HEAR OR SEE A TORNADO. 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 1100 PM EDT SATURDAY EVENING FOR CENTRAL NORTH CAROLINA. && LAT...LON 3596 8005 3612 7954 3589 7954 3576 8005 TIME...MOT...LOC 2152Z 244DEG 22KT 3583 8016 $$ MWS
2 follow-up statements
971
WWUS52 KRAH 242243 RRA
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
643 PM EDT SAT MAR 24 2012
NCC081-151-242315-
/O.CON.KRAH.SV.W.0029.000000T0000Z-120324T2315Z/
GUILFORD NC-RANDOLPH NC-
643 PM EDT SAT MAR 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHERN RANDOLPH AND SOUTHEASTERN GUILFORD COUNTIES...
AT 642 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR PLEASANT
GARDEN...OR 8 MILES SOUTH OF GREENSBORO...MOVING NORTHEAST AT 25 MPH.
HAZARDS IN THE WARNING INCLUDE...
QUARTER SIZED HAIL.
DAMAGING WINDS IN EXCESS OF 58 MPH.
LOCATIONS IN THE PATH OF THE STORM INCLUDE... CLIMAX...FOREST OAKS
AND GIBSONVILLE.
WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.
LAT...LON 3589 7955 3576 8005 3581 8005 3596 7988
3602 7987 3612 7954
TIME...MOT...LOC 2244Z 244DEG 22KT 3597 7981
$$
MWS489
WWUS52 KRAH 242306
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
706 PM EDT SAT MAR 24 2012
NCC081-151-242315-
/O.CON.KRAH.SV.W.0029.000000T0000Z-120324T2315Z/
GUILFORD NC-RANDOLPH NC-
706 PM EDT SAT MAR 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHERN RANDOLPH AND SOUTHEASTERN GUILFORD COUNTIES...
AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM FOREST OAKS TO CLIMAX...OR ALONG A LINE
EXTENDING FROM 9 MILES EAST OF GREENSBORO TO 6 MILES NORTH OF
RANDLEMAN...MOVING NORTHEAST AT 25 MPH.
HAZARDS IN THE WARNING INCLUDE...
DAMAGING WINDS IN EXCESS OF 58 MPH.
LOCATIONS IN THE PATH OF THE STORM INCLUDE... GIBSONVILLE.
STRAIGHT LINE WINDS CAN BLOW DOWN TREES...POWER LINES...AND DAMAGE
MOBILE HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED. STAY AWAY FROM WINDOWS AS FLYING DEBRIS
GENERATED BY DAMAGING WINDS CAN BE DEADLY.
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 1100 PM EDT SATURDAY EVENING
FOR CENTRAL NORTH CAROLINA.
LAT...LON 3589 7955 3579 7994 3588 7991 3596 7988
3602 7987 3612 7954
TIME...MOT...LOC 2306Z 244DEG 22KT 3604 7967 3590 7980
$$
MWSThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 12:32 AM EDT | Special Weather Statement | RAH | Wake | 43 min |
| Mar 24, 1:08 PM EDT | Special Weather Statement | RAH | Sampson | 52 min |
| Mar 24, 2:43 PM EDT | Special Weather Statement | RAH | Edgecombe, Halifax, Johnston, Nash, Wayne, Wilson | 47 min |
| Mar 24, 3:17 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Wilson | 43 min |
| Mar 24, 3:43 PM EDT | Special Weather Statement | RAH | Wayne | 62 min |
| Mar 24, 3:53 PM EDT | Special Weather Statement | RAH | Sampson | 67 min |
| Mar 24, 4:04 PM EDT | Special Weather Statement | RAH | Edgecombe | 56 min |
| Mar 24, 4:12 PM EDT | Special Weather Statement | RAH | Sampson | 63 min |
| Mar 24, 4:14 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 46 min |
| Mar 24, 4:35 PM EDT | Severe Thunderstorm Warning | RAH | Sampson, Wayne | 40 min |
| Mar 24, 4:36 PM EDT | Severe Thunderstorm Warning | RAH | Forsyth | 39 min |
| Mar 24, 4:40 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth | 95 min |
| Mar 24, 5:16 PM EDT | Severe Thunderstorm Warning | RAH | Davidson | 59 min |
| Mar 24, 5:24 PM EDT | Special Weather Statement | RAH | Cumberland, Harnett, Johnston, Sampson, Wayne | 81 min |
| Mar 24, 5:33 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 87 min |
| Mar 24, 5:37 PM EDT | Severe Thunderstorm Warning | RAH | Sampson, Wayne | 53 min |
| Mar 24, 5:58 PM EDT | Severe Thunderstorm Warning | RAH | Montgomery, Stanly | 62 min |
| Mar 24, 6:01 PM EDT | Severe Thunderstorm Warning | RAH | Davidson | 59 min |
| Mar 24, 6:23 PM EDT | Special Weather Statement | RAH | Wake | 52 min |
| Mar 24, 6:23 PM EDT | Severe Thunderstorm Warning | RAH | Randolph | 97 min |
| Mar 24, 6:24 PM EDT | Severe Thunderstorm Warning | RAH | Anson | 51 min |
| Mar 24, 6:37 PM EDT | Special Weather Statement | RAH | Wayne | 53 min |
| Mar 24, 6:51 PM EDT | Severe Thunderstorm Warning | RAH | Alamance | 84 min |
| Mar 24, 6:52 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Orange | 38 min |
| Mar 24, 7:14 PM EDT | Severe Thunderstorm Warning | RAH | Guilford, Randolph | 61 min |
| Mar 24, 7:17 PM EDT | Areal Flood Advisory | RAH | Guilford, Randolph | 2 hr |
| Mar 24, 7:24 PM EDT | Areal Flood Advisory | RAH | Wayne | 2 hr |
| Mar 24, 7:25 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Orange, Person | 65 min |
| Mar 24, 7:27 PM EDT | Special Weather Statement | RAH | Moore, Richmond | 78 min |
| Mar 24, 7:42 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Randolph | 64 min |
| Mar 24, 7:58 PM EDT | Areal Flood Advisory | RAH | Alamance | 2 hr |
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.