Alert archive / North Carolina / Freeze Warnings in 2021
Freeze Warning 4, NWS Raleigh, NC
NWS Raleigh, NC issued this freeze warning at Nov 4, 2021, 3:13 AM EDT for 18 counties in North Carolina. It took effect at Nov 5, 2021, 2:00 AM EDT. It was in force for 7 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
- Nov 4, 2021, 3:13 AM EDT (07:13 UTC)
- In effect from
- Nov 5, 2021, 2:00 AM EDT
- Expired
- Nov 5, 2021, 9:23 AM EDT
- In force
- 7 hr
- Issued by
- NWS Raleigh, NC
Counties Alamance County, NC, Chatham County, NC, Davidson County, NC, Durham County, NC, Forsyth County, NC, Franklin County, NC, Granville County, NC, Guilford County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Stanly County, NC, Vance County, NC, Wake County, NC, Warren County, NC
The radar
The Raleigh/Durham radar (KRAX), 74 km from the middle of the area, began a volume at 07:17 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 7.2 hours before the alert went out and 61 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
- 1768 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
871 WWUS72 KRAH 040713 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 313 AM EDT Thu Nov 4 2021 NCZ007-008-021>024-038-039-073-041600- /O.UPG.KRAH.FZ.A.0002.211105T0600Z-211105T1400Z/ /O.NEW.KRAH.FZ.W.0004.211105T0600Z-211105T1400Z/ Person-Granville-Forsyth-Guilford-Alamance-Orange-Davidson- Randolph-Stanly- Including the cities of Roxboro, Oxford, Creedmoor, Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Lexington, Thomasville, Asheboro, Archdale, and Albemarle 313 AM EDT Thu Nov 4 2021 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Person, Granville, Forsyth, Guilford, Alamance, Orange, Davidson, Randolph and Stanly Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. 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. && $$ NCZ009-025-040-074>076-083-084-041600- /O.UPG.KRAH.FZ.A.0002.211105T0600Z-211105T1400Z/ /O.NEW.KRAH.FR.Y.0005.211105T0600Z-211105T1400Z/ Vance-Durham-Chatham-Montgomery-Moore-Lee-Anson-Richmond- Including the cities of Henderson, Kittrell, Durham, Rougemont, Siler City, Pittsboro, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, Sanford, Wadesboro, Polkton, Rockingham, and Ellerbe 313 AM EDT Thu Nov 4 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Vance, Durham, Chatham, Montgomery, Moore, Lee, Anson and Richmond Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NCZ010-011-026-027-041-042-077-085-086-041600- /O.NEW.KRAH.FR.Y.0005.211105T0600Z-211105T1400Z/ Warren-Halifax-Franklin-Nash-Wake-Johnston-Harnett-Scotland-Hoke- Including the cities of Warrenton, Norlina, Roanoke Rapids, Enfield, Scotland Neck, Louisburg, Franklinton, Nashville, Spring Hope, Rocky Mount, Raleigh, Cary, Apex, Wake Forest, Knightdale, Smithfield, Selma, Clayton, Lillington, Angier, Buies Creek, Erwin, Dunn, Laurinburg, Camp Mackall, Wagram, and Raeford 313 AM EDT Thu Nov 4 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Warren, Halifax, Franklin, Nash, Wake, Johnston, Harnett, Scotland and Hoke Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
5 follow-up statements
706 WWUS72 KRAH 041511 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 1111 AM EDT Thu Nov 4 2021 NCZ009-010-025-026-040-041-074>076-042315- /O.UPG.KRAH.FR.Y.0005.211105T0600Z-211105T1400Z/ /O.EXA.KRAH.FZ.W.0004.211105T0600Z-211105T1400Z/ Vance-Warren-Durham-Franklin-Chatham-Wake-Montgomery-Moore-Lee- Including the cities of Henderson, Kittrell, Warrenton, Norlina, Durham, Rougemont, Louisburg, Franklinton, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, and Sanford 1111 AM EDT Thu Nov 4 2021 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 30 to 32 will result in frost formation and a freeze. * WHERE...Vance, Warren, Durham, Franklin, Chatham, Wake, Montgomery, Moore and Lee Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost and Freezing conditions could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NCZ007-008-021>024-038-039-073-042315- /O.CON.KRAH.FZ.W.0004.211105T0600Z-211105T1400Z/ Person-Granville-Forsyth-Guilford-Alamance-Orange-Davidson- Randolph-Stanly- Including the cities of Roxboro, Oxford, Creedmoor, Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Lexington, Thomasville, Asheboro, Archdale, and Albemarle 1111 AM EDT Thu Nov 4 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Person, Granville, Forsyth, Guilford, Alamance, Orange, Davidson, Randolph and Stanly Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. 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. && $$ NCZ011-027-042-077-083>086-042315- /O.CON.KRAH.FR.Y.0005.211105T0600Z-211105T1400Z/ Halifax-Nash-Johnston-Harnett-Anson-Richmond-Scotland-Hoke- Including the cities of Roanoke Rapids, Enfield, Scotland Neck, Nashville, Spring Hope, Rocky Mount, Smithfield, Selma, Clayton, Lillington, Angier, Buies Creek, Erwin, Dunn, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, and Raeford 1111 AM EDT Thu Nov 4 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Much of the Coastal Plain, Sandhills, and Southern Piedmont of NC. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
267 WWUS72 KRAH 041951 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 351 PM EDT Thu Nov 4 2021 NCZ007>010-021>026-038>041-073>076-050400- /O.CON.KRAH.FZ.W.0004.211105T0600Z-211105T1400Z/ Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange- Durham-Franklin-Davidson-Randolph-Chatham-Wake-Stanly-Montgomery- Moore-Lee- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, and Sanford 351 PM EDT Thu Nov 4 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 29 to 32 will result in frost formation and a freeze. * WHERE...Vance, Warren, Durham, Franklin, Chatham, Wake, Montgomery, Moore and Lee Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost and Freezing conditions could kill sensitive outdoor vegetation if left uncovered. 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. && $$ NCZ011-027-042-077-083>086-050400- /O.CON.KRAH.FR.Y.0005.211105T0600Z-211105T1400Z/ Halifax-Nash-Johnston-Harnett-Anson-Richmond-Scotland-Hoke- Including the cities of Roanoke Rapids, Enfield, Scotland Neck, Nashville, Spring Hope, Rocky Mount, Smithfield, Selma, Clayton, Lillington, Angier, Buies Creek, Erwin, Dunn, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, and Raeford 351 PM EDT Thu Nov 4 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Much of the Coastal Plain, Sandhills, and Southern Piedmont of NC. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
678 WWUS72 KRAH 050138 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 938 PM EDT Thu Nov 4 2021 NCZ007>010-021>026-038>041-073>076-051400- /O.CON.KRAH.FZ.W.0004.211105T0600Z-211105T1400Z/ Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange- Durham-Franklin-Davidson-Randolph-Chatham-Wake-Stanly-Montgomery- Moore-Lee- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, and Sanford 938 PM EDT Thu Nov 4 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 29 to 32 will result in frost formation and a freeze. * WHERE...Vance, Warren, Durham, Franklin, Chatham, Wake, Montgomery, Moore and Lee Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost and Freezing conditions could kill sensitive outdoor vegetation if left uncovered. 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. && $$ NCZ028-043-051400- /O.EXA.KRAH.FR.Y.0005.211105T0600Z-211105T1400Z/ Edgecombe-Wilson- Including the cities of Tarboro, Princeville, and Wilson 938 PM EDT Thu Nov 4 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Edgecombe and Wilson Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NCZ011-027-042-077-083>086-051400- /O.CON.KRAH.FR.Y.0005.211105T0600Z-211105T1400Z/ Halifax-Nash-Johnston-Harnett-Anson-Richmond-Scotland-Hoke- Including the cities of Roanoke Rapids, Enfield, Scotland Neck, Nashville, Spring Hope, Rocky Mount, Smithfield, Selma, Clayton, Lillington, Angier, Buies Creek, Erwin, Dunn, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, and Raeford 938 PM EDT Thu Nov 4 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Much of the Coastal Plain, Sandhills, and Southern Piedmont of NC. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
717 WWUS72 KRAH 050740 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 340 AM EDT Fri Nov 5 2021 NCZ007>010-021>026-038>041-073>076-051400- /O.CON.KRAH.FZ.W.0004.000000T0000Z-211105T1400Z/ Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange- Durham-Franklin-Davidson-Randolph-Chatham-Wake-Stanly-Montgomery- Moore-Lee- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, and Sanford 340 AM EDT Fri Nov 5 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Temperatures as low as 29 to 32 will result in frost formation and a freeze. * WHERE...Vance, Warren, Durham, Franklin, Chatham, Wake, Montgomery, Moore and Lee Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost and Freezing conditions could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NCZ028-043-051400- /O.CON.KRAH.FR.Y.0005.000000T0000Z-211105T1400Z/ Edgecombe-Wilson- Including the cities of Tarboro, Princeville, and Wilson 340 AM EDT Fri Nov 5 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Edgecombe and Wilson Counties. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NCZ011-027-042-077-083>086-051400- /O.CON.KRAH.FR.Y.0005.000000T0000Z-211105T1400Z/ Halifax-Nash-Johnston-Harnett-Anson-Richmond-Scotland-Hoke- Including the cities of Roanoke Rapids, Enfield, Scotland Neck, Nashville, Spring Hope, Rocky Mount, Smithfield, Selma, Clayton, Lillington, Angier, Buies Creek, Erwin, Dunn, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, and Raeford 340 AM EDT Fri Nov 5 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Much of the Coastal Plain, Sandhills, and Southern Piedmont of NC. * WHEN...From 2 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
168 WWUS72 KRAH 051323 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 923 AM EDT Fri Nov 5 2021 NCZ007>010-021>026-038>041-073>076-051430- /O.CAN.KRAH.FZ.W.0004.000000T0000Z-211105T1400Z/ Person-Granville-Vance-Warren-Forsyth-Guilford-Alamance-Orange- Durham-Franklin-Davidson-Randolph-Chatham-Wake-Stanly-Montgomery- Moore-Lee- Including the cities of Roxboro, Oxford, Creedmoor, Henderson, Kittrell, Warrenton, Norlina, Winston-Salem, Greensboro, High Point, Burlington, Graham, Mebane, Hillsborough, Chapel Hill, Carrboro, Durham, Rougemont, Louisburg, Franklinton, Lexington, Thomasville, Asheboro, Archdale, Siler City, Pittsboro, Raleigh, Cary, Apex, Wake Forest, Knightdale, Albemarle, Troy, Southern Pines, Pinehurst, Aberdeen, Carthage, and Sanford 923 AM EDT Fri Nov 5 2021 ...FREEZE WARNING IS CANCELLED... Temperatures have increased above freezing this morning. $$ NCZ011-027-028-042-043-077-083>086-051430- /O.CAN.KRAH.FR.Y.0005.000000T0000Z-211105T1400Z/ Halifax-Nash-Edgecombe-Johnston-Wilson-Harnett-Anson-Richmond- Scotland-Hoke- Including the cities of Roanoke Rapids, Enfield, Scotland Neck, Nashville, Spring Hope, Rocky Mount, Tarboro, Princeville, Smithfield, Selma, Clayton, Wilson, Lillington, Angier, Buies Creek, Erwin, Dunn, Wadesboro, Polkton, Rockingham, Ellerbe, Laurinburg, Camp Mackall, Wagram, and Raeford 923 AM EDT Fri Nov 5 2021 ...FROST ADVISORY IS CANCELLED... $$
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 4, 3:13 AM EDT | Frost Advisory | RAH | Anson, Chatham, Durham, Edgecombe, Franklin, Halifax and 13 more | 30 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.