Alert archive / Alabama / Freeze Watches in 2021
Freeze Watch 3, NWS Mobile, AL
NWS Mobile, AL issued this freeze watch at Nov 12, 2021, 2:28 AM CST for 4 counties in Alabama; Wayne County, Mississippi. It took effect at Nov 14, 2021, 3:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 12, 2021, 2:28 AM CST (08:28 UTC)
- In effect from
- Nov 14, 2021, 3:00 AM CST
- Expired
- Nov 13, 2021, 2:40 AM CST
- In force
- Issued by
- NWS Mobile, AL
Counties Choctaw County, AL, Clarke County, AL, Washington County, AL, Wilcox County, AL, Wayne County, MS
The radar
The Mobile radar (KMOB), 120 km from the middle of the area, began a volume at 08:30 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.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 8.5 hours before the alert went out and 200 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
- 727 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -92 m²/s²
- 0-3 km storm-relative helicity
- -66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
275 WWUS74 KMOB 120828 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 228 AM CST Fri Nov 12 2021 ALZ055>060-261-262-121500- /O.EXA.KMOB.FG.Y.0027.000000T0000Z-211112T1500Z/ Monroe-Conecuh-Butler-Crenshaw-Escambia-Covington-Mobile Inland- Baldwin Inland- Including the cities of Homewood, Monroeville, Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, Flomaton, Andalusia, Opp, Citronelle, Saraland, and Stockton 228 AM CST Fri Nov 12 2021 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Monroe, Conecuh, Butler, Crenshaw, Escambia, Covington, Mobile Inland and Baldwin Inland Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ ALZ051>054-MSZ067-121630- /O.NEW.KMOB.FZ.A.0003.211114T0900Z-211114T1400Z/ /O.CON.KMOB.FG.Y.0027.000000T0000Z-211112T1500Z/ Choctaw-Washington-Clarke-Wilcox-Wayne- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, and Waynesboro 228 AM CST Fri Nov 12 2021 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... ...FREEZE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Freeze Watch, sub-freezing temperatures as low as 31 possible. * WHERE...In Alabama, Choctaw, Washington, Clarke and Wilcox Counties. In Mississippi, Wayne County. * WHEN...For the Dense Fog Advisory, until 9 AM CST this morning. For the Freeze Watch, from late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MSZ075-076-078-079-121500- /O.CON.KMOB.FG.Y.0027.000000T0000Z-211112T1500Z/ Perry-Greene-Stone-George- Including the cities of Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale 228 AM CST Fri Nov 12 2021 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Greene, Stone, George and Perry Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$
5 follow-up statements
577 WWUS74 KMOB 121501 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 901 AM CST Fri Nov 12 2021 ALZ051>054-MSZ067-122315- /O.EXP.KMOB.FG.Y.0027.000000T0000Z-211112T1500Z/ /O.CON.KMOB.FZ.A.0003.211114T0900Z-211114T1400Z/ Choctaw-Washington-Clarke-Wilcox-Wayne- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, and Waynesboro 901 AM CST Fri Nov 12 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING... ...DENSE FOG ADVISORY HAS EXPIRED... * WHAT...Sub-freezing temperatures as low as 32 possible. * WHERE...In Alabama, Choctaw, Washington, Clarke and Wilcox Counties. In Mississippi, Wayne County. * WHEN...For the Dense Fog Advisory, until 9 AM CST this morning. For the Freeze Watch, from late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ ALZ055>060-261-262-MSZ075-076-078-079-121615- /O.EXP.KMOB.FG.Y.0027.000000T0000Z-211112T1500Z/ Monroe-Conecuh-Butler-Crenshaw-Escambia-Covington-Mobile Inland- Baldwin Inland-Perry-Greene-Stone-George- Including the cities of Homewood, Monroeville, Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, Flomaton, Andalusia, Opp, Citronelle, Saraland, Stockton, Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale 901 AM CST Fri Nov 12 2021 ...DENSE FOG ADVISORY HAS EXPIRED... Visible satellite imagery is showing that the areas of fog continue to quickly dissipate this morning. Nearly all the surface observations are reporting that visibilities have now improved above one-quarter of a mile. Therefore, the Dense Fog Advisory was allow to expire at 9 AM CST. $$
780 WWUS74 KMOB 121503 CCA NPWMOB URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Mobile AL 903 AM CST Fri Nov 12 2021 ALZ051>054-MSZ067-122315- /O.EXP.KMOB.FG.Y.0027.000000T0000Z-211112T1500Z/ /O.COR.KMOB.FZ.A.0003.211114T0900Z-211114T1400Z/ Choctaw-Washington-Clarke-Wilcox-Wayne- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, and Waynesboro 903 AM CST Fri Nov 12 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING... ...DENSE FOG ADVISORY HAS EXPIRED... * WHAT...Sub-freezing temperatures as low as 32 possible. * WHERE...In Alabama, Choctaw, Washington, Clarke and Wilcox Counties. In Mississippi, Wayne County. * WHEN...From late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ ALZ055>060-261-262-MSZ075-076-078-079-121615- /O.EXP.KMOB.FG.Y.0027.000000T0000Z-211112T1500Z/ Monroe-Conecuh-Butler-Crenshaw-Escambia-Covington-Mobile Inland- Baldwin Inland-Perry-Greene-Stone-George- Including the cities of Homewood, Monroeville, Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, Flomaton, Andalusia, Opp, Citronelle, Saraland, Stockton, Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale 903 AM CST Fri Nov 12 2021 ...DENSE FOG ADVISORY HAS EXPIRED... Visible satellite imagery is showing that the areas of fog continue to quickly dissipate this morning. Nearly all the surface observations are reporting that visibilities have now improved above one-quarter of a mile. Therefore, the Dense Fog Advisory was allow to expire at 9 AM CST. $$
581 WWUS74 KMOB 122052 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 252 PM CST Fri Nov 12 2021 ALZ051>054-MSZ067-130500- /O.CON.KMOB.FZ.A.0003.211114T0900Z-211114T1400Z/ Choctaw-Washington-Clarke-Wilcox-Wayne- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, and Waynesboro 252 PM CST Fri Nov 12 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING... * WHAT...Sub-freezing temperatures as low as 32 possible. * WHERE...In Alabama, Choctaw, Washington, Clarke and Wilcox Counties. In Mississippi, Wayne County. * WHEN...From late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
458 WWUS74 KMOB 130409 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 1009 PM CST Fri Nov 12 2021 ALZ051>054-MSZ067-131200- /O.CON.KMOB.FZ.A.0003.211114T0900Z-211114T1400Z/ Choctaw-Washington-Clarke-Wilcox-Wayne- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, and Waynesboro 1009 PM CST Fri Nov 12 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING... * WHAT...Sub-freezing temperatures as low as 32 possible. * WHERE...In Alabama, Choctaw, Washington, Clarke and Wilcox Counties. In Mississippi, Wayne County. * WHEN...From late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could 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. && $$
864 WWUS74 KMOB 130840 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 240 AM CST Sat Nov 13 2021 ALZ051>054-MSZ067-131700- /O.UPG.KMOB.FZ.A.0003.211114T0900Z-211114T1400Z/ /O.NEW.KMOB.FZ.W.0003.211114T0900Z-211114T1400Z/ Choctaw-Washington-Clarke-Wilcox-Wayne- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, and Waynesboro 240 AM CST Sat Nov 13 2021 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 8 AM CST SUNDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...In Alabama, Choctaw, Washington, Clarke and Wilcox Counties. In Mississippi, Wayne County. * WHEN...From 3 AM to 8 AM CST Sunday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ ALZ055>058-131700- /O.NEW.KMOB.FZ.W.0003.211114T0900Z-211114T1400Z/ Monroe-Conecuh-Butler-Crenshaw- Including the cities of Homewood, Monroeville, Evergreen, Greenville, Brantley, and Luverne 240 AM CST Sat Nov 13 2021 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 8 AM CST SUNDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Monroe, Conecuh, Butler and Crenshaw Counties. * WHEN...From 3 AM to 8 AM CST Sunday. * 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. && $$ ALZ059-060-261>264-FLZ201-203-205-MSZ075-076-078-079-131700- /O.NEW.KMOB.FR.Y.0003.211114T0900Z-211114T1400Z/ Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central- Baldwin Central-Escambia Inland-Santa Rosa Inland-Okaloosa Inland- Perry-Greene-Stone-George- Including the cities of Atmore, Brewton, Flomaton, Andalusia, Opp, Citronelle, Saraland, Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Century, Molino, Walnut Hill, Jay, Milton, Crestview, Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale 240 AM CST Sat Nov 13 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM CST SUNDAY... * WHAT...Temperatures as low as 33 to 36 and calm winds will result in frost formation. * WHERE...Portions of south central and southwest Alabama, northwest Florida and southeast Mississippi. * WHEN...From 3 AM to 8 AM CST Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 9:35 PM CST | Dense Fog Advisory | MOB | Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more | 11 hr |
| Nov 12, 3:00 AM CST | Small Craft Advisory | MOB | 34 hr |
Nearby
Freeze Watches in Alabama, 2021Freeze Watches in Mississippi, 2021Every freeze watch 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.