Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 1, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Feb 22, 2021, 1:36 PM EST for 5 counties in North Carolina. It was in force for 54 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
- Feb 22, 2021, 1:36 PM EST (18:36 UTC)
- Expired
- Feb 22, 2021, 2:30 PM EST
- In force
- 54 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Franklin County, NC, Johnston County, NC, Nash County, NC, Wake County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 59 km from the middle of the area, began a volume at 18:38 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 |
|---|---|---|---|
| Feb 22, 1:40 PM EST | TSTM WND DMG | 4 Sse Centerville, NC | DUKE ENERGY REPORTS OUTAGE CAUSED BY DOWNED TREES AND LIMBS ON POWER LINES. |
| Feb 22, 2:30 PM EST | TSTM WND DMG | 4 Ssw Dortches, NC | TREE DOWN ON I-95 NEAR MILE MARKER 137. WIND GUSTS AROUND THE AREA AT THE TIME OF THE REPORT WERE AROUND 40 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 6.6 hours before the alert went out and 166 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1057 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 334 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
473
WUUS52 KRAH 221836
SVRRAH
NCC069-101-127-183-195-221930-
/O.NEW.KRAH.SV.W.0001.210222T1836Z-210222T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
136 PM EST Mon Feb 22 2021
The National Weather Service in Raleigh has issued a
* Severe Thunderstorm Warning for...
Nash County in central North Carolina...
Northeastern Wake County in central North Carolina...
Central Wilson County in central North Carolina...
Northeastern Johnston County in central North Carolina...
Central Franklin County in central North Carolina...
* Until 230 PM EST.
* At 136 PM EST, a severe thunderstorm was located near Wake Forest,
or 12 miles southwest of Louisburg, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Raleigh, Rocky Mount, Nashville, Louisburg, Wilson, Wake Forest,
Zebulon, Elm City, Dortches and Bailey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3614 7789 3614 7778 3615 7774 3611 7771
3601 7777 3596 7779 3587 7783 3586 7782
3566 7790 3573 7838 3576 7866 3611 7842
3617 7792
TIME...MOT...LOC 1836Z 265DEG 36KT 3596 7844
HAIL...<.75IN
WIND...60MPH
$$
261 follow-up statement
078
WWUS52 KRAH 221907
SVSRAH
Severe Weather Statement
National Weather Service Raleigh NC
207 PM EST Mon Feb 22 2021
NCC069-183-221915-
/O.CAN.KRAH.SV.W.0001.000000T0000Z-210222T1930Z/
Wake NC-Franklin NC-
207 PM EST Mon Feb 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WAKE AND CENTRAL
FRANKLIN COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3614 7789 3614 7778 3615 7774 3611 7771
3601 7777 3566 7790 3573 7840 3582 7826
3608 7809 3616 7802 3617 7792
TIME...MOT...LOC 1905Z 258DEG 37KT 3612 7798 3587 7826 3573 7842
$$
NCC101-127-195-221930-
/O.CON.KRAH.SV.W.0001.000000T0000Z-210222T1930Z/
Nash NC-Wilson NC-Johnston NC-
207 PM EST Mon Feb 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EST
FOR NASH...CENTRAL WILSON AND NORTHEASTERN JOHNSTON COUNTIES...
At 205 PM EST, severe thunderstorms were located along a line
extending from 10 miles northwest of Dortches to near Zebulon to near
Clayton, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Rocky Mount, Nashville, Wilson, Elm City, Dortches, Bailey, Red Oak,
Sharpsburg, Spring Hope and Middlesex.
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.
&&
LAT...LON 3614 7789 3614 7778 3615 7774 3611 7771
3601 7777 3566 7790 3573 7840 3582 7826
3608 7809 3616 7802 3617 7792
TIME...MOT...LOC 1905Z 258DEG 37KT 3612 7798 3587 7826 3573 7842
HAIL...<.75IN
WIND...60MPH
$$
26The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 1:41 PM EST | Special Weather Statement | RAH | Edgecombe, Franklin, Halifax, Nash | 49 min |
| Feb 22, 1:43 PM EST | Special Weather Statement | RAH | Cumberland, Harnett, Hoke, Johnston | 47 min |
| Feb 22, 2:29 PM EST | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax, Nash, Wilson | 49 min |
| Feb 22, 2:35 PM EST | Special Weather Statement | RAH | Cumberland, Sampson, Wayne | 55 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.