Alert archive / Alabama / Frost Advisories in 2021
Frost Advisory 2, NWS Mobile, AL
NWS Mobile, AL issued this frost advisory at Apr 2, 2021, 7:51 AM CDT for Baldwin County, Covington County, Mobile County, Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; George County, Stone County, Mississippi. It took effect at Apr 3, 2021, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 2, 2021, 7:51 AM CDT (12:51 UTC)
- In effect from
- Apr 3, 2021, 1:00 AM CDT
- Expired
- Apr 3, 2021, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Mobile, AL
Counties Baldwin County, AL, Covington County, AL, Mobile County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 58 km from the middle of the area, began a volume at 12:53 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 0.9 hours before the alert went out and 206 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
- 1844 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -92 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
128 WWUS74 KMOB 021251 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 751 AM CDT Fri Apr 2 2021 ALZ051>058-MSZ067-022100- /O.CAN.KMOB.FZ.W.0001.000000T0000Z-210402T1300Z/ /O.UPG.KMOB.FZ.A.0002.210403T0600Z-210403T1300Z/ /O.NEW.KMOB.FZ.W.0002.210403T0600Z-210403T1300Z/ Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw- Wayne- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, Evergreen, Greenville, Brantley, Luverne, and Waynesboro 751 AM CDT Fri Apr 2 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...Overnight low temperatures as low as 31 degrees expected. * WHERE...In Alabama, Choctaw, Washington, Clarke, Wilcox, Monroe, Conecuh, Butler and Crenshaw Counties. In Mississippi, Wayne County. * WHEN...From 1 AM to 8 AM CDT Saturday. * 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. && $$ MSZ076-022100- /O.CAN.KMOB.FZ.W.0001.000000T0000Z-210402T1300Z/ /O.NEW.KMOB.FZ.W.0002.210403T0600Z-210403T1300Z/ Greene- Including the cities of Leakesville and McLain 751 AM CDT Fri Apr 2 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...Overnight low temperatures as low as 31 degrees expected. * WHERE...Greene County. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ ALZ059-261-262-MSZ075-022100- /O.CAN.KMOB.FR.Y.0001.000000T0000Z-210402T1300Z/ /O.NEW.KMOB.FZ.W.0002.210403T0600Z-210403T1300Z/ Escambia-Mobile Inland-Baldwin Inland-Perry- Including the cities of Atmore, Brewton, Flomaton, Citronelle, Saraland, Stockton, Beaumont, New Augusta, and Richton 751 AM CDT Fri Apr 2 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...Overnight low temperatures as low as 32 degrees expected. * WHERE...In Alabama, Escambia, Mobile Inland and Baldwin Inland Counties. In Mississippi, Perry County. * WHEN...From 1 AM to 8 AM CDT Saturday. * 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. && $$ ALZ060-263-264-FLZ201-203-205-MSZ078-079-022100- /O.CAN.KMOB.FR.Y.0001.000000T0000Z-210402T1300Z/ /O.NEW.KMOB.FR.Y.0002.210403T0600Z-210403T1300Z/ Covington-Mobile Central-Baldwin Central-Escambia Inland- Santa Rosa Inland-Okaloosa Inland-Stone-George- Including the cities of Andalusia, Opp, Mobile, Prichard, Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Century, Molino, Walnut Hill, Jay, Milton, Crestview, Wiggins, and Lucedale 751 AM CDT Fri Apr 2 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...The combination of temperatures between 33 and 37 degrees, light winds, and sufficiently high overnight relative humidity will result in areas of frost formation. * WHERE...In Alabama, Covington, Mobile Central and Baldwin Central Counties. In Florida, Escambia Inland, Santa Rosa Inland and Okaloosa Inland Counties. In Mississippi, Stone and George Counties. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
2 follow-up statements
636 WWUS74 KMOB 022040 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 340 PM CDT Fri Apr 2 2021 ALZ051>059-261-262-MSZ067-075-076-030445- /O.CON.KMOB.FZ.W.0002.210403T0600Z-210403T1300Z/ Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw- Escambia-Mobile Inland-Baldwin Inland-Wayne-Perry-Greene- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, Flomaton, Citronelle, Saraland, Stockton, Waynesboro, Beaumont, New Augusta, Richton, Leakesville, and McLain 340 PM CDT Fri Apr 2 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...Overnight low temperatures as low as 32 degrees expected. * WHERE...In Alabama, Escambia, Mobile Inland and Baldwin Inland Counties. In Mississippi, Perry County. * WHEN...From 1 AM to 8 AM CDT Saturday. * 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. && $$ ALZ060-263-264-FLZ201-203-205-MSZ078-079-030445- /O.CON.KMOB.FR.Y.0002.210403T0600Z-210403T1300Z/ Covington-Mobile Central-Baldwin Central-Escambia Inland- Santa Rosa Inland-Okaloosa Inland-Stone-George- Including the cities of Andalusia, Opp, Mobile, Prichard, Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Century, Molino, Walnut Hill, Jay, Milton, Crestview, Wiggins, and Lucedale 340 PM CDT Fri Apr 2 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...The combination of temperatures between 33 and 37 degrees, light winds, and sufficiently high overnight relative humidity will result in areas of frost formation. * WHERE...In Alabama, Covington, Mobile Central and Baldwin Central Counties. In Florida, Escambia Inland, Santa Rosa Inland and Okaloosa Inland Counties. In Mississippi, Stone and George Counties. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
614 WWUS74 KMOB 030354 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 1054 PM CDT Fri Apr 2 2021 ALZ051>059-261-262-MSZ067-075-076-031300- /O.CON.KMOB.FZ.W.0002.210403T0600Z-210403T1300Z/ Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw- Escambia-Mobile Inland-Baldwin Inland-Wayne-Perry-Greene- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, Flomaton, Citronelle, Saraland, Stockton, Waynesboro, Beaumont, New Augusta, Richton, Leakesville, and McLain 1054 PM CDT Fri Apr 2 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT SATURDAY... * WHAT...Overnight low temperatures as low as 32 degrees expected. * WHERE...In Alabama, Escambia, Mobile Inland and Baldwin Inland Counties. In Mississippi, Perry County. * WHEN...From 1 AM to 8 AM CDT Saturday. * 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. && $$ ALZ060-263-264-FLZ201-203-205-MSZ078-079-031300- /O.CON.KMOB.FR.Y.0002.210403T0600Z-210403T1300Z/ Covington-Mobile Central-Baldwin Central-Escambia Inland- Santa Rosa Inland-Okaloosa Inland-Stone-George- Including the cities of Andalusia, Opp, Mobile, Prichard, Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Century, Molino, Walnut Hill, Jay, Milton, Crestview, Wiggins, and Lucedale 1054 PM CDT Fri Apr 2 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT SATURDAY... * WHAT...The combination of temperatures between 33 and 37 degrees, light winds, and sufficiently high overnight relative humidity will result in areas of frost formation. * WHERE...In Alabama, Covington, Mobile Central and Baldwin Central Counties. In Florida, Escambia Inland, Santa Rosa Inland and Okaloosa Inland Counties. In Mississippi, Stone and George Counties. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 7:51 AM CDT | Freeze Warning | MOB | Baldwin, Butler, Choctaw, Clarke, Conecuh, Crenshaw and 5 more | 24 hr |
Nearby
Frost Advisories in Alabama, 2021Frost Advisories in Florida, 2021Frost Advisories in Mississippi, 2021Every frost advisory 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.