Severe Thunderstorm Warning 117, NWS Raleigh, NC

Issued

Aug 14, 2021, 5:19 PM EDT (21:19 UTC)

Expired

Aug 14, 2021, 5:38 PM EDT

In force

19 min

Issued by

NWS Raleigh, NC

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

County Alamance County, NC

The Raleigh/Durham radar (KRAX), 86 km from the middle of the area, began a volume at 21:21 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.

346 
WUUS52 KRAH 142119
SVRRAH
NCC001-142200-
/O.NEW.KRAH.SV.W.0117.210814T2119Z-210814T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
519 PM EDT Sat Aug 14 2021

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  Alamance County in central North Carolina...

* Until 600 PM EDT.

* At 518 PM EDT, a severe thunderstorm was located 7 miles southeast
  of Graham, moving north at 10 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Burlington, Graham, Mebane, Elon, Gibsonville, Haw River,
  Swepsonville, Alamance, Snow Camp and Lake Burlington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

Continuous cloud to ground lightning is also occurring with this 
storm. Move indoors immediately. Lightning is one of nature's 
leading killers. Remember, if you can hear thunder, you are close 
enough to be struck by lightning.

&&

LAT...LON 3621 7934 3618 7926 3589 7926 3587 7925
      3586 7925 3584 7924 3584 7945 3593 7954
      3625 7953
TIME...MOT...LOC 2118Z 178DEG 9KT 3597 7932 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

26

017 
WWUS52 KRAH 142138
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
538 PM EDT Sat Aug 14 2021

NCC001-142147-
/O.CAN.KRAH.SV.W.0117.000000T0000Z-210814T2200Z/
Alamance NC-
538 PM EDT Sat Aug 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR ALAMANCE COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However, gusty winds and 
heavy rain are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Raleigh.

LAT...LON 3621 7934 3618 7926 3589 7926 3587 7925
      3586 7925 3584 7924 3584 7945 3593 7954
      3625 7953
TIME...MOT...LOC 2132Z 178DEG 9KT 3602 7932 

$$

26

Severe Thunderstorm Warnings in North Carolina, 2021Every severe thunderstorm warning in 2021

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.