Alert archive / Alabama / Freeze Warnings in 2021
Freeze Warning 4, NWS Mobile, AL
NWS Mobile, AL issued this freeze warning at Nov 26, 2021, 3:13 AM CST for 4 counties in Alabama; 4 counties in Mississippi; Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at Nov 27, 2021, 2:00 AM CST. It was in force for 5 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 26, 2021, 3:13 AM CST (09:13 UTC)
- In effect from
- Nov 27, 2021, 2:00 AM CST
- Expired
- Nov 27, 2021, 7:00 AM CST
- In force
- 5 hr
- Issued by
- NWS Mobile, AL
Counties Baldwin County, AL, Covington County, AL, Escambia County, AL, Mobile County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 47 km from the middle of the area, began a volume at 09:17 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 9.2 hours before the alert went out and 194 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
- 977 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
293 WWUS74 KMOB 260913 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 313 AM CST Fri Nov 26 2021 ALZ059-060-261>264-FLZ201-203-205-MSZ075-076-078-079-261715- /O.UPG.KMOB.FZ.A.0004.211127T0800Z-211127T1300Z/ /O.NEW.KMOB.FZ.W.0004.211127T0800Z-211127T1300Z/ 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 313 AM CST Fri Nov 26 2021 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 7 AM CST SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of south central and southwest Alabama, northwest Florida and southeast Mississippi. * WHEN...From 2 AM to 7 AM CST 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. && $$
2 follow-up statements
870 WWUS74 KMOB 261801 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 1201 PM CST Fri Nov 26 2021 ALZ059-060-261>264-FLZ201-203-205-MSZ075-076-078-079-270215- /O.CON.KMOB.FZ.W.0004.211127T0800Z-211127T1300Z/ Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central- Baldwin Central-Escambia Inland-Santa Rosa Inland-Okaloosa Inland- Perry-Greene-Stone-George- Including the cities of Atmore, Brewton, Flomaton, Andalusia, Opp, Citronelle, Saraland, Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Century, Molino, Walnut Hill, Jay, Milton, Crestview, Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale 1201 PM CST Fri Nov 26 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 7 AM CST SATURDAY... * WHAT...Temperatures as low as 29 to 32 expected. * WHERE...Portions of south central and southwest Alabama, northwest Florida and southeast Mississippi. * WHEN...From 2 AM to 7 AM CST Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
141 WWUS74 KMOB 270152 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 752 PM CST Fri Nov 26 2021 ALZ059-060-261>264-FLZ201-203-205-MSZ075-076-078-079-271300- /O.CON.KMOB.FZ.W.0004.211127T0800Z-211127T1300Z/ 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 752 PM CST Fri Nov 26 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 7 AM CST SATURDAY... * WHAT...Sub-freezing temperatures as low as 31 degrees expected. * WHERE...Portions of south central and southwest Alabama, northwest Florida and southeast Mississippi. * WHEN...From 2 AM to 7 AM CST 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. && $$ JLH
Nearby
Freeze Warnings in Alabama, 2021Freeze Warnings in Mississippi, 2021Freeze Warnings in Florida, 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.