Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 68, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 17, 2021, 1:33 PM EDT for Alexander County, Catawba County, Iredell County, North Carolina. It was in force for 42 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
- Jul 17, 2021, 1:33 PM EDT (17:33 UTC)
- Expired
- Jul 17, 2021, 2:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Alexander County, NC, Catawba County, NC, Iredell County, NC
The radar
The Greer radar (KGSP), 143 km from the middle of the area, began a volume at 17:32 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 17, 1:40 PM EDT | TSTM WND DMG | 5 E Bethlehem, NC | AT LEAST 4 TREES WERE EITHER BLOWN OVER OR HEAVILY DAMAGED IN RIVERBEND PARK. OTHER LARGE LIMBS DOWN IN THE PARK. |
| Jul 17, 1:40 PM EDT | HAIL 0.75 | 5 Ene St. Stephens, NC | SOME DIME SIZED HAIL IN THE RIVERBEND PARK AREA. ALSO HAD STRONG WIND BUT NO TREES OR LARGE LIMBS DOWN NEAR THE PERSON WHO REPORTED THE HAIL. |
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, 5.6 hours before the alert went out and 115 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
- 966 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
811
WUUS52 KGSP 171733
SVRGSP
NCC003-035-097-171815-
/O.NEW.KGSP.SV.W.0068.210717T1733Z-210717T1815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
133 PM EDT Sat Jul 17 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
North central Catawba County in the Piedmont of North Carolina...
Southeastern Alexander County in the Piedmont of North Carolina...
West central Iredell County in the Piedmont of North Carolina...
* Until 215 PM EDT.
* At 133 PM EDT, a severe thunderstorm was located 7 miles south of
Taylorsville, or 4 miles northwest of Lookout Shoals Lake, moving
northeast at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is expected. Expect wind
damage to trees and power lines.
* Locations impacted include...
Stony Point, Lookout Shoals Lake, Hiddenite, Millersville, Scotts,
Oxford and Lake Hickory.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.
This storm is also producing extremely heavy rainfall. Flooding of
drainage ditches and low lying areas may occur. Small streams will
rise rapidly. Do not drive through areas where water is flowing over
the road.
Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.
&&
LAT...LON 3574 8121 3582 8126 3598 8106 3581 8095
TIME...MOT...LOC 1733Z 240DEG 11KT 3582 8116
HAIL...1.00IN
WIND...60MPH
$$
LANE2 follow-up statements
694
WWUS52 KGSP 171753
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
153 PM EDT Sat Jul 17 2021
NCC003-035-097-171815-
/O.CON.KGSP.SV.W.0068.000000T0000Z-210717T1815Z/
Catawba NC-Alexander NC-Iredell NC-
153 PM EDT Sat Jul 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTH CENTRAL CATAWBA...SOUTHEASTERN ALEXANDER AND WEST CENTRAL
IREDELL COUNTIES...
At 153 PM EDT, a severe thunderstorm was located 7 miles south of
Taylorsville, or 4 miles northwest of Lookout Shoals Lake, moving
northeast at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is expected. Expect wind
damage to trees and power lines.
Locations impacted include...
Stony Point, Lookout Shoals Lake, Hiddenite, Millersville, Scotts,
Oxford and Lake Hickory.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.
This storms is also producing extremely heavy rainfall. Flooding of
drainage ditches and low lying areas may occur. Small streams will
rise rapidly. Do not drive through areas where water is flowing over
the road.
Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.
&&
LAT...LON 3574 8121 3582 8126 3598 8106 3581 8095
TIME...MOT...LOC 1753Z 241DEG 7KT 3581 8118
HAIL...1.00IN
WIND...60MPH
$$
RWH808
WWUS52 KGSP 171812
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
212 PM EDT Sat Jul 17 2021
NCC003-035-097-171822-
/O.EXP.KGSP.SV.W.0068.000000T0000Z-210717T1815Z/
Catawba NC-Alexander NC-Iredell NC-
212 PM EDT Sat Jul 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CATAWBA...
SOUTHEASTERN ALEXANDER AND WEST CENTRAL IREDELL COUNTIES WILL EXPIRE
AT 215 PM EDT...
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 will be allowed to expire. However gusty winds
and heavy rain are still possible with this thunderstorm.
LAT...LON 3574 8121 3582 8126 3598 8106 3581 8095
TIME...MOT...LOC 1812Z 240DEG 11KT 3583 8113
$$
RWHThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 8:05 PM EDT | Special Weather Statement | GSP | Madison | 25 min |
| Jul 16, 8:29 PM EDT | Special Weather Statement | GSP | Madison | 31 min |
| Jul 16, 11:04 PM EDT | Special Weather Statement | GSP | Graham | 26 min |
| Jul 17, 1:05 PM EDT | Special Weather Statement | GSP | Alexander | 25 min |
| Jul 17, 1:30 PM EDT | Special Weather Statement | GSP | Alexander | 30 min |
| Jul 17, 4:01 PM EDT | Special Weather Statement | GSP | Caldwell | 29 min |
| Jul 17, 4:16 PM EDT | Special Weather Statement | GSP | Buncombe | 29 min |
| Jul 17, 4:19 PM EDT | Special Weather Statement | GSP | Transylvania | 26 min |
| Jul 17, 4:24 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Caldwell | 51 min |
| Jul 17, 4:58 PM EDT | Special Weather Statement | GSP | Buncombe | 32 min |
| Jul 17, 5:01 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 44 min |
| Jul 17, 5:06 PM EDT | Special Weather Statement | GSP | Henderson | 24 min |
| Jul 17, 5:36 PM EDT | Special Weather Statement | GSP | McDowell | 24 min |
| Jul 17, 5:56 PM EDT | Special Weather Statement | GSP | Rutherford | 34 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.