Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 77, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 9, 2021, 5:24 PM EDT for 4 counties in North Carolina. It was in force for 51 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
- Jul 9, 2021, 5:24 PM EDT (21:24 UTC)
- Expired
- Jul 9, 2021, 6:15 PM EDT
- In force
- 51 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Durham County, NC, Harnett County, NC, Johnston County, NC, Wake County, NC
The radar
The Raleigh/Durham radar (KRAX), 16 km from the middle of the area, began a volume at 21:24 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 9, 5:40 PM EDT | TSTM WND DMG | 3 Nw Falls Lake, NC | 2 TREES DOWN NEAR FALLS LAKE. TIME ESTIMATED BY RADAR. |
| Jul 9, 5:45 PM EDT | TSTM WND DMG | 1 N Coats Crossroads, NC | ONE TREE DOWN NEAR THE INTERSECTION OF SANDERS RD AND W WATSON RD. TIME ESTIMATED BY RADAR. |
| Jul 9, 6:00 PM EDT | TSTM WND DMG | 3 Ese Apex, NC | POWER OUTAGE ALONG TEN-TEN ROAD DUE TO STRONG WINDS GUSTS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.4 hours before the alert went out and 124 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
- 127 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
695
WUUS52 KRAH 092124
SVRRAH
NCC063-085-101-183-092215-
/O.NEW.KRAH.SV.W.0077.210709T2124Z-210709T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
524 PM EDT Fri Jul 9 2021
The National Weather Service in Raleigh has issued a
* Severe Thunderstorm Warning for...
North central Harnett County in central North Carolina...
Wake County in central North Carolina...
Northwestern Johnston County in central North Carolina...
Southeastern Durham County in central North Carolina...
* Until 615 PM EDT.
* At 524 PM EDT, a severe thunderstorm was located near RDU
International, or near Raleigh, moving east at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Trained weather spotters reported trees down in Chatham
County.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Raleigh, Cary, Wake Forest, Garner, Fuquay-Varina, Clayton, Angier,
RDU International, Apex and Holly Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
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.
&&
LAT...LON 3599 7844 3594 7839 3593 7837 3551 7841
3550 7871 3552 7892 3599 7884
TIME...MOT...LOC 2124Z 273DEG 12KT 3585 7872
HAIL...0.75IN
WIND...60MPH
$$
CA1 follow-up statement
604
WWUS52 KRAH 092201
SVSRAH
Severe Weather Statement
National Weather Service Raleigh NC
601 PM EDT Fri Jul 9 2021
NCC063-085-183-092210-
/O.CAN.KRAH.SV.W.0077.000000T0000Z-210709T2215Z/
Harnett NC-Wake NC-Durham NC-
601 PM EDT Fri Jul 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL HARNETT...WAKE
AND SOUTHEASTERN DURHAM COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3551 7841 3550 7865 3550 7867 3558 7863
3566 7853 3566 7840
TIME...MOT...LOC 2200Z 273DEG 12KT 3584 7857
$$
NCC101-092215-
/O.CON.KRAH.SV.W.0077.000000T0000Z-210709T2215Z/
Johnston NC-
601 PM EDT Fri Jul 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR WEST CENTRAL JOHNSTON COUNTY...
At 600 PM EDT, a severe thunderstorm was located near Raleigh, moving
east at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Clayton and Coats Crossroads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
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.
&&
LAT...LON 3551 7841 3550 7865 3550 7867 3558 7863
3566 7853 3566 7840
TIME...MOT...LOC 2200Z 273DEG 12KT 3584 7857
HAIL...0.75IN
WIND...60MPH
$$
CAThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 10:07 PM EDT | River Flood Warning | RAH | Johnston | 24 hr |
| Jul 8, 10:13 PM EDT | River Flood Warning | RAH | Johnston | 51 hr |
| Jul 9, 1:45 PM EDT | Special Weather Statement | RAH | Forsyth | 45 min |
| Jul 9, 1:51 PM EDT | Special Weather Statement | RAH | Granville, Person | 54 min |
| Jul 9, 2:29 PM EDT | Special Weather Statement | RAH | Forsyth | 61 min |
| Jul 9, 2:30 PM EDT | Special Weather Statement | RAH | Alamance, Durham, Orange | 60 min |
| Jul 9, 3:04 PM EDT | Special Weather Statement | RAH | Franklin, Granville, Vance, Warren | 56 min |
| Jul 9, 3:08 PM EDT | Special Weather Statement | RAH | Montgomery | 67 min |
| Jul 9, 3:14 PM EDT | Special Weather Statement | RAH | Anson, Stanly | 61 min |
| Jul 9, 3:43 PM EDT | Special Weather Statement | RAH | Wake | 62 min |
| Jul 9, 4:14 PM EDT | Special Weather Statement | RAH | Edgecombe, Franklin, Halifax, Nash, Wilson | 61 min |
| Jul 9, 4:15 PM EDT | Special Weather Statement | RAH | Edgecombe, Franklin, Halifax, Nash, Wilson | 60 min |
| Jul 9, 4:25 PM EDT | Special Weather Statement | RAH | Chatham, Lee | 65 min |
| Jul 9, 4:29 PM EDT | Areal Flood Advisory | RAH | Franklin, Wake | 61 min |
| Jul 9, 4:30 PM EDT | Special Weather Statement | RAH | Anson, Montgomery, Richmond, Scotland | 60 min |
| Jul 9, 4:45 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Durham, Orange, Wake | 45 min |
| Jul 9, 5:18 PM EDT | Special Weather Statement | RAH | Wilson | 57 min |
| Jul 9, 5:38 PM EDT | Special Weather Statement | RAH | Hoke, Scotland | 67 min |
| Jul 9, 5:50 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Johnston, Sampson, Wayne | 55 min |
| Jul 9, 5:55 PM EDT | Special Weather Statement | RAH | Forsyth | 65 min |
| Jul 9, 6:11 PM EDT | Special Weather Statement | RAH | Cumberland, Sampson | 64 min |
| Jul 9, 6:19 PM EDT | Special Weather Statement | RAH | Wayne | 56 min |
| Jul 9, 6:36 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Sampson, Wayne | 39 min |
| Jul 9, 6:58 PM EDT | Special Weather Statement | RAH | Davidson | 62 min |
| Jul 9, 7:07 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 38 min |
| Jul 9, 7:11 PM EDT | Severe Thunderstorm Warning | RAH | Sampson, Wayne | 49 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2021Every severe thunderstorm warning in 2021
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.