Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 51, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at May 7, 2021, 9:04 AM EDT for Sampson County, North Carolina. It was in force for 41 min. 1 report 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
- May 7, 2021, 9:04 AM EDT (13:04 UTC)
- Expired
- May 7, 2021, 9:45 AM EDT
- In force
- 41 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
County Sampson County, NC
The radar
The Wilmington radar (KLTX), 74 km from the middle of the area, began a volume at 13:08 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 |
|---|---|---|---|
| May 7, 9:30 AM EDT | HAIL 1 | 1 Ne Ivanhoe, NC | QUARTER SIZE HAIL NEAR THE TOWN OF IVANHOE. TIME ESTIMATED BY RADAR. |
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, 1.1 hours before the alert went out and 130 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
- 5 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 954 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -127 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
194
WUUS52 KRAH 071304
SVRRAH
NCC163-071345-
/O.NEW.KRAH.SV.W.0051.210507T1304Z-210507T1345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
904 AM EDT Fri May 7 2021
The National Weather Service in Raleigh has issued a
* Severe Thunderstorm Warning for...
Southeastern Sampson County in central North Carolina...
* Until 945 AM EDT.
* At 902 AM EDT, a severe thunderstorm was located near Lagoon, or 8
miles east of Elizabethtown, moving east at 25 mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Ivanhoe.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
&&
LAT...LON 3456 7825 3458 7826 3461 7831 3463 7832
3464 7831 3465 7832 3467 7832 3468 7835
3469 7835 3469 7837 3471 7838 3471 7811
3468 7816 3455 7825
TIME...MOT...LOC 1302Z 275DEG 20KT 3461 7846
HAIL...1.25IN
WIND...<50MPH
$$
262 follow-up statements
642
WWUS52 KRAH 071320
SVSRAH
Severe Weather Statement
National Weather Service Raleigh NC
920 AM EDT Fri May 7 2021
NCC163-071345-
/O.CON.KRAH.SV.W.0051.000000T0000Z-210507T1345Z/
Sampson NC-
920 AM EDT Fri May 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM EDT
FOR SOUTHEASTERN SAMPSON COUNTY...
At 919 AM EDT, a severe thunderstorm was located near Ivanhoe, or 18
about miles southwest of Wallace, moving east at 30 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Ivanhoe.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is also occurring with this
storm. Move indoors immediately. Lightning is one of nature's
leading killers. Remember, if you can hear thunder, you are close
enough to be struck by lightning.
&&
LAT...LON 3456 7825 3458 7826 3461 7831 3463 7832
3464 7831 3465 7832 3467 7832 3468 7835
3469 7835 3469 7837 3471 7838 3471 7811
3468 7816 3455 7825
TIME...MOT...LOC 1319Z 283DEG 28KT 3459 7827
HAIL...1.00IN
WIND...<50MPH
$$
26700
WWUS52 KRAH 071339
SVSRAH
Severe Weather Statement
National Weather Service Raleigh NC
939 AM EDT Fri May 7 2021
NCC163-071347-
/O.EXP.KRAH.SV.W.0051.000000T0000Z-210507T1345Z/
Sampson NC-
939 AM EDT Fri May 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SAMPSON COUNTY
WILL EXPIRE AT 945 AM EDT...
The storm which prompted the warning has weakened below severe
limits and has exited the warned area. Therefore, the warning will
be allowed to expire. However, small hail and heavy rain will
remain possible in southern Sampson County through around 945 AM.
LAT...LON 3456 7825 3458 7826 3461 7831 3463 7832
3464 7831 3465 7832 3467 7832 3468 7835
3469 7835 3469 7837 3471 7838 3471 7811
3468 7816 3455 7825
TIME...MOT...LOC 1337Z 275DEG 20KT 3458 7816
$$
26The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 4:31 AM EDT | Special Weather Statement | RAH | Montgomery, Moore | 59 min |
| May 7, 5:39 AM EDT | Special Weather Statement | RAH | Montgomery, Moore | 66 min |
| May 7, 6:00 AM EDT | Severe Thunderstorm Warning | RAH | Harnett, Hoke, Moore | 45 min |
| May 7, 6:54 AM EDT | Special Weather Statement | RAH | Cumberland | 66 min |
| May 7, 7:34 AM EDT | Special Weather Statement | RAH | Hoke | 56 min |
| May 7, 8:18 AM EDT | Special Weather Statement | RAH | Cumberland | 57 min |
| May 7, 1:36 PM EDT | Special Weather Statement | RAH | Orange | 39 min |
| May 7, 2:18 PM EDT | Special Weather Statement | RAH | Chatham | 42 min |
| May 7, 3:58 PM EDT | Special Weather Statement | RAH | Wayne | 62 min |
| May 7, 7:13 PM EDT | Special Weather Statement | RAH | Sampson | 62 min |
| May 7, 7:43 PM EDT | Special Weather Statement | RAH | Sampson | 62 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.