Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 22, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Apr 9, 2021, 3:28 PM EDT for Surry County, North Carolina. It was in force for 47 min. 9 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
- Apr 9, 2021, 3:28 PM EDT (19:28 UTC)
- Expired
- Apr 9, 2021, 4:15 PM EDT
- In force
- 47 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Surry County, NC
The radar
The Roanoke radar (KFCX), 73 km from the middle of the area, began a volume at 19:30 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 |
|---|---|---|---|
| Apr 9, 4:00 PM EDT | HAIL 0.25 | 1 N Pine Ridge, NC | |
| Apr 9, 4:06 PM EDT | HAIL 0.5 | 2 Nw Toast, NC | REPORT FROM MPING: HALF-INCH (0.50 IN.). |
| Apr 9, 4:07 PM EDT | HAIL 0.75 | 2 Nw Toast, NC | REPORT FROM MPING: DIME (0.75 IN.). |
| Apr 9, 4:08 PM EDT | HAIL 0.5 | 2 Nnw Toast, NC | |
| Apr 9, 4:08 PM EDT | HAIL 0.7 | 2 Nnw Toast, NC | |
| Apr 9, 4:10 PM EDT | HAIL 0.88 | Toast, NC | |
| Apr 9, 4:12 PM EDT | HAIL 0.88 | 2 Nnw Flat Rock, NC | |
| Apr 9, 4:12 PM EDT | HAIL 1 | 1 N Mount Airy, NC | |
| Apr 9, 4:20 PM EDT | HAIL 1 | 1 Se Woodville, NC |
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, 7.5 hours before the alert went out and 90 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
- 361 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1047 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
338
WUUS51 KRNK 091928
SVRRNK
NCC171-092015-
/O.NEW.KRNK.SV.W.0022.210409T1928Z-210409T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
328 PM EDT Fri Apr 9 2021
The National Weather Service in BLACKSBURG has issued a
* Severe Thunderstorm Warning for...
Northern Surry County in northwestern North Carolina...
* Until 415 PM EDT.
* At 328 PM EDT, a severe thunderstorm was located over Low Gap, or
near Bottom, moving east at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Mount Airy...
Flat Rock...
Bottom...
Pine Ridge...
Toast...
Woodville...
and White Plains.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds, as well as
deadly cloud to ground lightning. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
&&
LAT...LON 3648 8095 3650 8093 3654 8092 3656 8090
3656 8067 3655 8044 3644 8044 3643 8045
3639 8093
TIME...MOT...LOC 1928Z 259DEG 19KT 3650 8086
HAIL...1.00IN
WIND...60MPH
$$
RAB1 follow-up statement
423
WWUS51 KRNK 091952
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
352 PM EDT Fri Apr 9 2021
NCC171-092015-
/O.CON.KRNK.SV.W.0022.000000T0000Z-210409T2015Z/
Surry NC-
352 PM EDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR
NORTHEASTERN SURRY COUNTY...
At 352 PM EDT, a severe thunderstorm was located over Pine Ridge, or
near Bottom, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Mount Airy...
Flat Rock...
Bottom...
Pine Ridge...
Toast...
Woodville...
and White Plains.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for LARGE HAIL AND DAMAGING WINDS. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
&&
LAT...LON 3655 8082 3656 8090 3656 8067 3655 8044
3644 8044 3643 8045 3642 8062 3645 8082
TIME...MOT...LOC 1952Z 268DEG 22KT 3651 8070
HAIL...1.00IN
WIND...60MPH
$$
RABThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 4:11 PM EDT | Severe Thunderstorm Warning | RNK | Surry | 49 min |
| Apr 9, 4:20 PM EDT | Tornado Warning | RNK | Surry | 25 min |
| Apr 9, 4:35 PM EDT | Severe Thunderstorm Warning | RNK | Stokes | 55 min |
| Apr 9, 6:00 PM EDT | Special Weather Statement | RNK | Rockingham | 45 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.