Alert archive / North Carolina / Freeze Warnings in 2021
Freeze Warning 3, NWS Raleigh, NC
NWS Raleigh, NC issued this freeze warning at Apr 22, 2021, 10:45 AM EDT for 5 counties in North Carolina. It took effect at Apr 23, 2021, 3:00 AM EDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 22, 2021, 10:45 AM EDT (14:45 UTC)
- In effect from
- Apr 23, 2021, 3:00 AM EDT
- Expired
- Apr 23, 2021, 9:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Raleigh, NC
Counties Granville County, NC, Halifax County, NC, Person County, NC, Vance County, NC, Warren County, NC
The radar
The Raleigh/Durham radar (KRAX), 76 km from the middle of the area, began a volume at 14:47 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.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 2.8 hours before the alert went out and 139 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
- 973 m above ground
- 0-6 km bulk shear
- 98 kt
- 0-1 km storm-relative helicity
- -156 m²/s²
- 0-3 km storm-relative helicity
- -44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
321 WWUS72 KRAH 221445 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 1045 AM EDT Thu Apr 22 2021 NCZ007>011-222245- /O.NEW.KRAH.FZ.W.0003.210423T0700Z-210423T1300Z/ Person-Granville-Vance-Warren-Halifax- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Roanoke Rapids, Enfield, and Scotland Neck 1045 AM EDT Thu Apr 22 2021 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY... * WHAT...Freezing temperatures as low as 30 degrees expected. * WHERE...Person, Granville, Vance, Warren and Halifax Counties. * WHEN...From 3 AM to 9 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Lows in the mid-40s to low 50s are expected Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NCZ021>028-038>043-073>078-083>086-088-089-222245- /O.NEW.KRAH.FR.Y.0004.210423T0700Z-210423T1300Z/ Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Nash-Edgecombe- Davidson-Randolph-Chatham-Wake-Johnston-Wilson-Stanly-Montgomery- Moore-Lee-Harnett-Wayne-Anson-Richmond-Scotland-Hoke-Cumberland- Sampson- Including the cities of Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, Tarboro, Princeville, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Smithfield, Selma, Clayton, Wilson, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, Sanford, Lillington, Angier, Buies Creek, Erwin, Dunn, Goldsboro, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, Raeford, Fayetteville, Spring Lake, Hope Mills, Clinton, and Roseboro 1045 AM EDT Thu Apr 22 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY... * WHAT...Temperatures in the mid to lower 30s may result in frost formation, especially in outlying and rural areas. * WHERE...Most of central North Carolina. * WHEN...From 3 AM to 9 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...Lows in the mid-40s to low 50s are expected Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
4 follow-up statements
669 WWUS72 KRAH 221955 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 355 PM EDT Thu Apr 22 2021 NCZ007>011-230400- /O.CON.KRAH.FZ.W.0003.210423T0700Z-210423T1300Z/ Person-Granville-Vance-Warren-Halifax- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Roanoke Rapids, Enfield, and Scotland Neck 355 PM EDT Thu Apr 22 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY... * WHAT...Freezing temperatures as low as 30 degrees are expected. * WHERE...Person, Granville, Vance, Warren and Halifax Counties. * WHEN...From 3 AM to 9 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Lows in the mid to upper 40s are expected Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NCZ021>028-038>043-073>078-083>086-088-089-230400- /O.CON.KRAH.FR.Y.0004.210423T0700Z-210423T1300Z/ Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Nash-Edgecombe- Davidson-Randolph-Chatham-Wake-Johnston-Wilson-Stanly-Montgomery- Moore-Lee-Harnett-Wayne-Anson-Richmond-Scotland-Hoke-Cumberland- Sampson- Including the cities of Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, Tarboro, Princeville, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Smithfield, Selma, Clayton, Wilson, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, Sanford, Lillington, Angier, Buies Creek, Erwin, Dunn, Goldsboro, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, Raeford, Fayetteville, Spring Lake, Hope Mills, Clinton, and Roseboro 355 PM EDT Thu Apr 22 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY... * WHAT...Temperatures in the mid to lower 30s may result in frost formation, especially in outlying and rural areas. * WHERE...Most of central North Carolina. * WHEN...From 3 AM to 9 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...Lows in the mid to upper 40s are expected Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ JJT
822 WWUS72 KRAH 230141 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 941 PM EDT Thu Apr 22 2021 NCZ007>011-231300- /O.CON.KRAH.FZ.W.0003.210423T0700Z-210423T1300Z/ Person-Granville-Vance-Warren-Halifax- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Roanoke Rapids, Enfield, and Scotland Neck 941 PM EDT Thu Apr 22 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY... * WHAT...Freezing temperatures as low as 29 degrees are expected. * WHERE...Person, Granville, Vance, Warren and Halifax Counties. * WHEN...From 3 AM to 9 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Lows will be in the 40s Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NCZ021>028-038>043-073>078-083>086-088-089-231300- /O.CON.KRAH.FR.Y.0004.210423T0700Z-210423T1300Z/ Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Nash-Edgecombe- Davidson-Randolph-Chatham-Wake-Johnston-Wilson-Stanly-Montgomery- Moore-Lee-Harnett-Wayne-Anson-Richmond-Scotland-Hoke-Cumberland- Sampson- Including the cities of Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, Tarboro, Princeville, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Smithfield, Selma, Clayton, Wilson, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, Sanford, Lillington, Angier, Buies Creek, Erwin, Dunn, Goldsboro, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, Raeford, Fayetteville, Spring Lake, Hope Mills, Clinton, and Roseboro 941 PM EDT Thu Apr 22 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT FRIDAY... * WHAT...Temperatures in the mid to lower 30s may result in frost formation, especially in outlying and rural areas. * WHERE...Most of central North Carolina. * WHEN...From 3 AM to 9 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...Lows will be in the 40s Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
381 WWUS72 KRAH 230720 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 320 AM EDT Fri Apr 23 2021 NCZ007>011-231300- /O.CON.KRAH.FZ.W.0003.000000T0000Z-210423T1300Z/ Person-Granville-Vance-Warren-Halifax- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Roanoke Rapids, Enfield, and Scotland Neck 320 AM EDT Fri Apr 23 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Freezing temperatures as low as 29 degrees are expected. * WHERE...Person, Granville, Vance, Warren and Halifax Counties. * WHEN...From 3 AM to 9 AM EDT Friday. * IMPACTS...Frost and freeze conditions may kill crops, other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NCZ021>028-038>043-073>078-083>086-088-089-231300- /O.CON.KRAH.FR.Y.0004.000000T0000Z-210423T1300Z/ Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Nash-Edgecombe- Davidson-Randolph-Chatham-Wake-Johnston-Wilson-Stanly-Montgomery- Moore-Lee-Harnett-Wayne-Anson-Richmond-Scotland-Hoke-Cumberland- Sampson- Including the cities of Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, Tarboro, Princeville, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Smithfield, Selma, Clayton, Wilson, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, Sanford, Lillington, Angier, Buies Creek, Erwin, Dunn, Goldsboro, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, Raeford, Fayetteville, Spring Lake, Hope Mills, Clinton, and Roseboro 320 AM EDT Fri Apr 23 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures in the lower to mid 30s wil result in scattered to widespread frost formation, especially in outlying and rural areas. * WHERE...Most of central North Carolina. * WHEN...From 3 AM to 9 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ pwb
101 WWUS72 KRAH 231248 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 848 AM EDT Fri Apr 23 2021 NCZ007>011-231400- /O.EXP.KRAH.FZ.W.0003.000000T0000Z-210423T1300Z/ Person-Granville-Vance-Warren-Halifax- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Roanoke Rapids, Enfield, and Scotland Neck 848 AM EDT Fri Apr 23 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures have increased above freezing, therefore the freeze warning will be allowed to expire at 9 AM. $$ NCZ021>028-038>043-073>078-083>086-088-089-231400- /O.EXP.KRAH.FR.Y.0004.000000T0000Z-210423T1300Z/ Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Nash-Edgecombe- Davidson-Randolph-Chatham-Wake-Johnston-Wilson-Stanly-Montgomery- Moore-Lee-Harnett-Wayne-Anson-Richmond-Scotland-Hoke-Cumberland- Sampson- Including the cities of Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, Tarboro, Princeville, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Smithfield, Selma, Clayton, Wilson, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, Sanford, Lillington, Angier, Buies Creek, Erwin, Dunn, Goldsboro, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, Raeford, Fayetteville, Spring Lake, Hope Mills, Clinton, and Roseboro 848 AM EDT Fri Apr 23 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures for most areas have increased into the uppers 30s and low 40s, therefore the frost advisory will be allowed to expire at 9 AM. $$ JJT
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 10:45 AM EDT | Frost Advisory | RAH | Alamance, Anson, Chatham, Cumberland, Davidson, Durham and 20 more | 22 hr |
Nearby
Freeze Warnings in North Carolina, 2021Every freeze 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.