Alert archive / Alabama / Wind Chill Advisories in 2021
Wind Chill Advisory 1, NWS Mobile, AL
NWS Mobile, AL issued this wind chill advisory at Feb 14, 2021, 9:07 PM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida; 12 counties in Alabama; 5 counties in Mississippi. It took effect at Feb 15, 2021, 8:00 PM CST. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Feb 14, 2021, 9:07 PM CST (03:07 UTC)
- In effect from
- Feb 15, 2021, 8:00 PM CST
- Expired
- Feb 16, 2021, 9:00 AM CST
- In force
- 13 hr
- Issued by
- NWS Mobile, AL
Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 03:07 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, 3.1 hours before the alert went out and 223 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
- 578 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
396 WWUS44 KMOB 150307 WSWMOB URGENT - WINTER WEATHER MESSAGE National Weather Service Mobile AL 907 PM CST Sun Feb 14 2021 ...A PERIOD OF FREEZING RAIN WILL BE POSSIBLE ON MONDAY... .Freezing rain will be possible throughout the day on Monday over areas of inland Southeast Mississippi and inland Southwest Alabama. Freezing rain totals of around one tenth of an inch will be possible; however, far northwestern Choctaw, Perry and Wayne counties will need to be monitored for up to one quarter of an inch of accumulation. Confidence in higher totals is too low for an upgrade at this time. ALZ051>053-MSZ067-075-076-078-151200- /O.NEW.KMOB.WC.Y.0001.210216T0400Z-210216T1500Z/ /O.CON.KMOB.WW.Y.0001.210215T0900Z-210215T2100Z/ Choctaw-Washington-Clarke-Wayne-Perry-Greene-Stone- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Waynesboro, Beaumont, New Augusta, Richton, Leakesville, McLain, and Wiggins 907 PM CST Sun Feb 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST MONDAY... ...WIND CHILL ADVISORY IN EFFECT FROM 10 PM MONDAY TO 9 AM CST TUESDAY... * WHAT...For the Winter Weather Advisory, freezing rain expected. Total ice accumulations of around one tenth of an inch. For the Wind Chill Advisory, very cold wind chills expected. Wind chills as low as 5 above zero. * WHERE...Portions of southwest Alabama and southeast Mississippi. * WHEN...For the Winter Weather Advisory, from 3 AM to 3 PM CST Monday. For the Wind Chill Advisory, from 10 PM Monday to 9 AM CST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The hazardous conditions could impact the morning commute. Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility.Leave plenty of room between you and the vehicle ahead of you. Allow extra time to reach your destination. Avoid sudden braking or acceleration and be especially cautious on hills or when making turns. If travel is absolutely necessary, prepare and take a winter storm kit, including such items as tire chains, jumper cables, flashlight, shovel. blankets and extra clothing. Also take water, a first aid kit, or anything else that would help you survive in case you become stranded. You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat. A hat is also important as half your body heat loss can be from the head. Travel is higher discouraged due to downed trees, power lines and slick roadways. Do not touch downed lines. && $$ ALZ054-261-263-MSZ079-151200- /O.NEW.KMOB.WC.Y.0001.210216T0400Z-210216T1500Z/ Wilcox-Mobile Inland-Mobile Central-George- Including the cities of Camden, Pine Hill, Citronelle, Saraland, Mobile, Prichard, Theodore, and Lucedale 907 PM CST Sun Feb 14 2021 ...WIND CHILL ADVISORY IN EFFECT FROM 10 PM MONDAY TO 9 AM CST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 5 above zero. * WHERE...In Alabama, Wilcox, Mobile Inland and Mobile Central Counties. In Mississippi, George County. * WHEN...From 10 PM Monday to 9 AM CST Tuesday. * IMPACTS...Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat. A hat is also important as half your body heat loss can be from the head. && $$
3 follow-up statements
306 WWUS44 KMOB 150942 WSWMOB URGENT - WINTER WEATHER MESSAGE National Weather Service Mobile AL 342 AM CST Mon Feb 15 2021 ...A PERIOD OF FREEZING RAIN WILL BE POSSIBLE ON MONDAY... .Freezing rain will be possible throughout the day on Monday over areas of inland Southeast Mississippi and inland Southwest Alabama. Freezing rain totals of around one tenth of an inch will be possible; however, far northwestern Choctaw, Perry and Wayne counties will need to be monitored for up to one quarter of an inch of accumulation. Confidence in higher totals is too low for an upgrade at this time. MSZ079-151745- /O.EXA.KMOB.WW.Y.0001.000000T0000Z-210215T2100Z/ /O.CON.KMOB.WC.Y.0001.210216T0400Z-210216T1500Z/ George- Including the city of Lucedale 342 AM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM CST TUESDAY... * WHAT...For the Winter Weather Advisory, freezing rain. Additional ice accumulations of a light glaze. For the Wind Chill Advisory, very cold wind chills expected. Wind chills as low as 5 above zero. * WHERE...George County. * WHEN...For the Winter Weather Advisory, until 3 PM CST this afternoon. For the Wind Chill Advisory, from 10 PM this evening to 9 AM CST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The hazardous conditions could impact the morning or evening commute. Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the vehicle ahead of you. Allow extra time to reach your destination. Avoid sudden braking or acceleration and be especially cautious on hills or when making turns. You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat. A hat is also important as half your body heat loss can be from the head. && $$ ALZ055-262-151745- /O.EXA.KMOB.WC.Y.0001.210216T0400Z-210216T1500Z/ Monroe-Baldwin Inland- Including the cities of Homewood, Monroeville, and Stockton 342 AM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 9 AM CST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 10 above zero. * WHERE...Monroe and Baldwin Inland Counties. * WHEN...From 10 PM this evening to 9 AM CST Tuesday. * IMPACTS...Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat. A hat is also important as half your body heat loss can be from the head. && $$ ALZ051>053-MSZ067-075-076-078-151745- /O.CON.KMOB.WW.Y.0001.000000T0000Z-210215T2100Z/ /O.CON.KMOB.WC.Y.0001.210216T0400Z-210216T1500Z/ Choctaw-Washington-Clarke-Wayne-Perry-Greene-Stone- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Waynesboro, Beaumont, New Augusta, Richton, Leakesville, McLain, and Wiggins 342 AM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM CST TUESDAY... * WHAT...For the Winter Weather Advisory, freezing rain. Additional ice accumulations of around one tenth of an inch. For the Wind Chill Advisory, very cold wind chills expected. Wind chills as low as zero. * WHERE...Portions of southwest Alabama and southeast Mississippi. * WHEN...For the Winter Weather Advisory, until 3 PM CST this afternoon. For the Wind Chill Advisory, from 10 PM this evening to 9 AM CST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The hazardous conditions could impact the morning or evening commute. Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the vehicle ahead of you. Allow extra time to reach your destination. Avoid sudden braking or acceleration and be especially cautious on hills or when making turns. You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat. A hat is also important as half your body heat loss can be from the head. && $$ ALZ054-261-263-151745- /O.CON.KMOB.WC.Y.0001.210216T0400Z-210216T1500Z/ Wilcox-Mobile Inland-Mobile Central- Including the cities of Camden, Pine Hill, Citronelle, Saraland, Mobile, Prichard, and Theodore 342 AM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM CST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 5 above zero. * WHERE...Wilcox, Mobile Inland and Mobile Central Counties. * WHEN...From 10 PM this evening to 9 AM CST Tuesday. * IMPACTS...Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat. A hat is also important as half your body heat loss can be from the head. && $$
450 WWUS44 KMOB 152140 WSWMOB URGENT - WINTER WEATHER MESSAGE National Weather Service Mobile AL 340 PM CST Mon Feb 15 2021 ...WIND CHILLS BETWEEN 0 AND 10 DEGREES EXPECTED ACROSS MUCH OF THE AREA TONIGHT... ...WINTER WEATHER ADVISORY HAS EXPIRED... .Freezing rain has ended, but hazardous road conditions will be possible overnight as very cold air spills into the area from the west due to any ice that may have accumulated and any wet surfaces possibly flash freezing overnight. Another big concern tonight will be very low wind chill values, dropping to between 0 and 10 degrees in many areas. ALZ056>060-264-FLZ201-203-205-160545- /O.EXB.KMOB.WC.Y.0001.210216T0200Z-210216T1500Z/ Conecuh-Butler-Crenshaw-Escambia-Covington-Baldwin Central- Escambia Inland-Santa Rosa Inland-Okaloosa Inland- Including the cities of Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, Flomaton, Andalusia, Opp, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Century, Molino, Walnut Hill, Jay, Milton, and Crestview 340 PM CST Mon Feb 15 2021 ....WIND CHILL ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 9 AM CST TUESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 10 to 15 degrees likely. * WHERE...Portions of south central and southwest Alabama and northwest Florida. * WHEN...From 8 PM this evening to 9 AM CST Tuesday. * IMPACTS...Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is absolutely necessary, prepare and take a winter storm kit, including such items as tire chains, jumper cables, flashlight, shovel. blankets and extra clothing.Also take water, a first aid kit, or anything else that would help you survive in case you become stranded. Travel is highly discouraged due to the possibility of black ice on roadways. You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat.A hat is also important as half your body heat loss can be from the head. && $$ ALZ051>055-261>263-MSZ067-075-076-078-079-160545- /O.EXT.KMOB.WC.Y.0001.210216T0200Z-210216T1500Z/ Choctaw-Washington-Clarke-Wilcox-Monroe-Mobile Inland- Baldwin Inland-Mobile Central-Wayne-Perry-Greene-Stone-George- Including the cities of Butler, Lisman, Silas, Chatom, Millry, Grove Hill, Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, Citronelle, Saraland, Stockton, Mobile, Prichard, Theodore, Waynesboro, Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale 340 PM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 9 AM CST TUESDAY... ...WINTER WEATHER ADVISORY HAS EXPIRED... * WHAT...Very cold wind chills expected. Wind chills as low as 10 degrees to near zero will be likely across much of the area. * WHERE...all of southeast Mississippi, most of southwest and south central Alabama, and most of the western Florida panhandle. * WHEN...From 8 PM this evening to 9 AM CST Tuesday. * IMPACTS...Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is absolutely necessary, prepare and take a winter storm kit, including such items as tire chains, jumper cables, flashlight, shovel. blankets and extra clothing.Also take water, a first aid kit, or anything else that would help you survive in case you become stranded. Travel is highly discouraged due to the possibility of black ice on roadways. You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat.A hat is also important as half your body heat loss can be from the head. && $$
192 WWUS44 KMOB 160249 WSWMOB URGENT - WINTER WEATHER MESSAGE National Weather Service Mobile AL 849 PM CST Mon Feb 15 2021 ...WIND CHILLS BETWEEN 0 AND 10 DEGREES EXPECTED ACROSS MUCH OF THE AREA TONIGHT... .Hazardous road conditions will be possible overnight as very cold air spills into the area and any wet surfaces possibly flash freezing overnight. Another big concern tonight will be very low wind chill values, dropping to between 0 and 10 degrees in many areas. ALZ051>060-261>264-FLZ201-203-205-MSZ067-075-076-078-079-161500- /O.CON.KMOB.WC.Y.0001.000000T0000Z-210216T1500Z/ Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw- Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central- Baldwin Central-Escambia Inland-Santa Rosa Inland-Okaloosa Inland- Wayne-Perry-Greene-Stone-George- 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, Andalusia, Opp, Citronelle, Saraland, Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, Fairhope, Foley, Spanish Fort, Century, Molino, Walnut Hill, Jay, Milton, Crestview, Waynesboro, Beaumont, New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale 849 PM CST Mon Feb 15 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY... * WHAT...Very cold wind chills. Wind chills as low as 0 to 10 degrees. * WHERE...Portions of south central and southwest Alabama, northwest Florida and southeast Mississippi. * WHEN...Until 9 AM CST Tuesday. * IMPACTS...Exposed skin may quickly become frostbitten or frozen. Wind chill values may fall to extremely dangerous levels and frostbite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... You are urged to stay indoors until conditions improve. If you must go outside, several layers of clothes will keep you warmer than a single heavy coat.A hat is also important as half your body heat loss can be from the head. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 8:52 PM CST | Hard Freeze Warning | MOB | Escambia, Santa Rosa | 36 hr |
| Feb 15, 12:41 PM CST | Special Weather Statement | MOB | Okaloosa | 49 min |
| Feb 15, 12:55 PM CST | Severe Thunderstorm Warning | MOB | Okaloosa | 36 min |
| Feb 15, 7:24 AM CST | Marine Dense Fog Advisory | MOB | 8 hr | |
| Feb 15, 10:30 AM CST | Special Marine Warning | MOB | 90 min | |
| Feb 15, 11:40 AM CST | Special Marine Warning | MOB | 65 min | |
| Feb 15, 12:39 PM CST | Special Marine Warning | MOB | 66 min | |
| Feb 15, 12:53 PM CST | Special Weather Statement | MOB | Butler | 52 min |
| Feb 15, 1:37 PM CST | Special Weather Statement | MOB | Covington | 23 min |
Nearby
Wind Chill Advisories in Alabama, 2021Wind Chill Advisories in Mississippi, 2021Wind Chill Advisories in Florida, 2021Every wind chill 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.