Alert archive / Alabama / Winter Storm Watches in 2021
Winter Storm Watch 2, NWS Birmingham, AL
NWS Birmingham, AL issued this winter storm watch at Feb 14, 2021, 3:36 AM CST for 5 counties in Alabama. It took effect at Feb 15, 2021, 9:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 14, 2021, 3:36 AM CST (09:36 UTC)
- In effect from
- Feb 15, 2021, 9:00 AM CST
- Expired
- Feb 15, 2021, 3:49 AM CST
- In force
- Issued by
- NWS Birmingham, AL
Counties Bibb County, AL, Blount County, AL, Jefferson County, AL, Perry County, AL, Shelby County, AL
The radar
The Birmingham radar (KBMX), 18 km from the middle of the area, began a volume at 09:39 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, 9.6 hours before the alert went out and 17 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
- 487 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
884 WWUS44 KBMX 140936 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 336 AM CST Sun Feb 14 2021 ...Light freezing rain across West Alabama tonight then a winter storm with mixed precipitation across the western half of Central Alabama Monday and Monday night... ALZ011-012-014-142200- /O.UPG.KBMX.WW.Y.0003.210215T0000Z-210215T1200Z/ /O.UPG.KBMX.WS.A.0001.210215T1200Z-210216T0600Z/ /O.NEW.KBMX.WS.W.0001.210215T0000Z-210216T0600Z/ Marion-Lamar-Winston- Including the cities of Hamilton, Sulligent, Vernon, and Double Springs 336 AM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT CST MONDAY NIGHT... * WHAT...Light freezing rain tonight and heavy mixed precipitation expected Monday and Monday night. Total ice accumulations of around three tenths of an inch and total sleet and snow accumulations up to 1 inch with locally higher amounts. Temperatures falling into the teens Monday night with wind chills near zero. * WHERE...Marion, Lamar and Winston Counties. * WHEN...From 6 PM this evening to midnight CST Monday night. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ013-015-022-023-030-031-142200- /O.UPG.KBMX.WS.A.0001.210215T1200Z-210216T0600Z/ /O.NEW.KBMX.WS.W.0001.210215T0000Z-210216T0600Z/ Fayette-Walker-Pickens-Tuscaloosa-Sumter-Greene- Including the cities of Fayette, Jasper, Carrollton, Tuscaloosa, Livingston, and Eutaw 336 AM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT CST MONDAY NIGHT... * WHAT...Light freezing rain tonight and then heavy mixed precipitation expected Monday and Monday night. Total ice accumulations of one tenth to three tenths of an inch and total sleet accumulations up to one half inch with locally higher amounts. Temperatures fall well below freezing by Monday night. * WHERE...Portions of central and west central Alabama. * WHEN...From 6 PM this evening to midnight CST Monday night. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ032-039-142200- /O.NEW.KBMX.WS.W.0001.210215T1200Z-210216T0600Z/ Hale-Marengo- Including the cities of Greensboro, Moundville, Demopolis, and Linden 336 AM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 AM MONDAY TO MIDNIGHT CST MONDAY NIGHT... * WHAT...Heavy mixed precipitation expected. Total ice accumulations of one tenth to a quarter of an inch and total sleet accumulations up to a quarter inch with locally higher amounts. Temperatures fall well below freezing by Monday night. * WHERE...Hale and Marengo Counties. * WHEN...From 6 AM Monday to midnight CST Monday night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ017-024-025-033-034-142200- /O.NEW.KBMX.WS.A.0002.210215T1500Z-210216T0600Z/ Blount-Jefferson-Shelby-Perry-Bibb- Including the cities of Oneonta, Birmingham, Hoover, Columbiana, Pelham, Alabaster, Marion, and Centreville 336 AM CST Sun Feb 14 2021 ...WINTER STORM WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...Heavy mixed precipitation possible. Total ice accumulations of up to two tenths of an inch possible and sleet accumulations up to a quarter of an inch with locally higher amounts. Temperatures fall well below freezing Monday night. * WHERE...Blount, Jefferson, Shelby, Perry and Bibb Counties. * WHEN...From Monday morning through Monday evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
3 follow-up statements
525 WWUS44 KBMX 141915 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 115 PM CST Sun Feb 14 2021 ...Light freezing rain expected across West Alabama tonight and then a winter storm with mixed precipitation across the western half of Central Alabama Monday and Monday evening... ALZ011>015-022-023-030-031-150500- /O.CON.KBMX.WS.W.0001.210215T0000Z-210216T0600Z/ Marion-Lamar-Fayette-Winston-Walker-Pickens-Tuscaloosa-Sumter- Greene- Including the cities of Hamilton, Sulligent, Vernon, Fayette, Double Springs, Jasper, Carrollton, Tuscaloosa, Livingston, and Eutaw 115 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT CST MONDAY NIGHT... * WHAT...Light freezing rain tonight and heavy mixed precipitation expected Monday and Monday evening. Total ice accumulations of one tenth to four tenths of an inch and total sleet and snow accumulations up to one inch. Temperatures falling into the teens Monday night. * WHERE...Marion, Lamar and Winston Counties. * WHEN...From 6 PM this evening to midnight CST Monday night. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ032-039-150500- /O.CON.KBMX.WS.W.0001.210215T1200Z-210216T0600Z/ Hale-Marengo- Including the cities of Greensboro, Moundville, Demopolis, and Linden 115 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM MONDAY TO MIDNIGHT CST MONDAY NIGHT... * WHAT...A mixture of freezing rain and sleet expected. Total ice accumulations up to two tenths of an inch and total sleet accumulations up to a one quarter of an inch. Temperatures fall well below freezing by Monday night. * WHERE...Hale and Marengo Counties. * WHEN...From 6 AM Monday to midnight CST Monday night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ017-024-025-033-034-150500- /O.CON.KBMX.WS.A.0002.210215T1500Z-210216T0600Z/ Blount-Jefferson-Shelby-Perry-Bibb- Including the cities of Oneonta, Birmingham, Hoover, Columbiana, Pelham, Alabaster, Marion, and Centreville 115 PM CST Sun Feb 14 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...A mixture of freezing rain and sleet. Total ice accumulations of up to one tenth of an inch and total sleet accumulations up to one quarter of an inch. Temperatures fall well below freezing Monday night. * WHERE...Blount, Jefferson, Shelby, Perry and Bibb Counties. * WHEN...From Monday morning through Monday evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
517 WWUS44 KBMX 150346 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 946 PM CST Sun Feb 14 2021 ...Light freezing rain expected across West Alabama tonight and then a winter storm with mixed precipitation across the western half of Central Alabama Monday and Monday evening... ALZ011>015-022-023-030-031-151215- /O.CON.KBMX.WS.W.0001.000000T0000Z-210216T0600Z/ Marion-Lamar-Fayette-Winston-Walker-Pickens-Tuscaloosa-Sumter- Greene- Including the cities of Hamilton, Sulligent, Vernon, Fayette, Double Springs, Jasper, Carrollton, Tuscaloosa, Livingston, and Eutaw 946 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST MONDAY NIGHT... * WHAT...Light freezing rain tonight and heavy mixed precipitation expected Monday and Monday evening. Total ice accumulations of one tenth to four tenths of an inch and total sleet and snow accumulations up to one inch. Temperatures falling into the teens Monday night. * WHERE...Marion, Lamar, Fayette, Winston, Walker, Pickens, Tuscaloosa, Sumter, and Greene Counties. * WHEN...Through midnight CST Monday night. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ032-039-151215- /O.CON.KBMX.WS.W.0001.210215T1200Z-210216T0600Z/ Hale-Marengo- Including the cities of Greensboro, Moundville, Demopolis, and Linden 946 PM CST Sun Feb 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM MONDAY TO MIDNIGHT CST MONDAY NIGHT... * WHAT...A mixture of freezing rain and sleet expected. Total ice accumulations up to two tenths of an inch and total sleet accumulations up to a one quarter of an inch. Temperatures fall well below freezing by Monday night. * WHERE...Hale and Marengo Counties. * WHEN...From 6 AM Monday to midnight CST Monday night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ017-024-025-033-034-151215- /O.CON.KBMX.WS.A.0002.210215T1500Z-210216T0600Z/ Blount-Jefferson-Shelby-Perry-Bibb- Including the cities of Oneonta, Birmingham, Hoover, Columbiana, Pelham, Alabaster, Marion, and Centreville 946 PM CST Sun Feb 14 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 9 AM CST MONDAY THROUGH MONDAY EVENING... * WHAT...A mixture of freezing rain and sleet. Total ice accumulations of up to one tenth of an inch and total sleet accumulations up to one quarter of an inch. Temperatures fall well below freezing Monday night. * WHERE...Blount, Jefferson, Shelby, Perry, and Bibb Counties. * WHEN...From Monday morning through Monday evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
588 WWUS44 KBMX 150949 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 349 AM CST Mon Feb 15 2021 ...Significant freezing rain event today especially over far northwest Central Alabama... ALZ025-151100- /O.CAN.KBMX.WS.A.0002.210215T1500Z-210216T0600Z/ Shelby- Including the cities of Columbiana, Pelham, and Alabaster 349 AM CST Mon Feb 15 2021 ...WINTER STORM WATCH IS CANCELLED... While rain may briefly change over to freezing rain or sleet before ending by early evening, ice accumulations are not expected at this time. However, temperatures falling below freezing tonight will re-freeze any remaining water on roadways, resulting in dangerous black ice overnight and Tuesday morning. $$ ALZ011>014-022-152215- /O.UPG.KBMX.WS.W.0001.000000T0000Z-210216T0600Z/ /O.NEW.KBMX.IS.W.0001.210215T0949Z-210216T0300Z/ /O.NEW.KBMX.WC.Y.0001.210216T0600Z-210216T1500Z/ Marion-Lamar-Fayette-Winston-Pickens- Including the cities of Hamilton, Sulligent, Vernon, Fayette, Double Springs, and Carrollton 349 AM CST Mon Feb 15 2021 ...ICE STORM WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING... ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST TUESDAY... * WHAT...For the Ice Storm Warning, significant icing. Storm total ice accumulations of quarter to a half inch. Light sleet and snow accumulations up to a half inch. For the Wind Chill Advisory, very cold wind chills expected. Wind chills as low as 5 below zero. * WHERE...Marion, Lamar, Fayette, Winston and Pickens Counties. * WHEN...For the Ice Storm Warning, until 9 PM CST this evening. For the Wind Chill Advisory, from midnight tonight to 9 AM CST Tuesday. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions will impact the morning and evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel is strongly discouraged. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. Prepare for possible power outages. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ ALZ030-031-152215- /O.NEW.KBMX.WC.Y.0001.210216T0600Z-210216T1500Z/ /O.EXT.KBMX.WS.W.0001.000000T0000Z-210216T0300Z/ Sumter-Greene- Including the cities of Livingston and Eutaw 349 AM CST Mon Feb 15 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST TUESDAY... * WHAT...For the Winter Storm Warning, significant icing. Additional ice accumulations of one tenth to one quarter of an inch. For the Wind Chill Advisory, very cold wind chills expected. Wind chills as low as zero. * WHERE...Sumter and Greene Counties. * WHEN...For the Winter Storm Warning, until 9 PM CST this evening. For the Wind Chill Advisory, from midnight tonight to 9 AM CST Tuesday. * IMPACTS...Difficult travel conditions are possible. The hazardous conditions could impact the morning and evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ ALZ015-023-152215- /O.EXT.KBMX.WS.W.0001.000000T0000Z-210216T0300Z/ Walker-Tuscaloosa- Including the cities of Jasper and Tuscaloosa 349 AM CST Mon Feb 15 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... * WHAT...Freezing rain expected today, possibly mixed with sleet. Total ice accumulations of one tenth to three tenths of an inch. Temperatures falling into the teens Monday night with wind chills in the single digits. * WHERE...Walker and Tuscaloosa Counties. * WHEN...Until 9 PM CST this evening. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the morning and evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ032-039-152215- /O.EXT.KBMX.WS.W.0001.210215T1200Z-210216T0300Z/ Hale-Marengo- Including the cities of Greensboro, Moundville, Demopolis, and Linden 349 AM CST Mon Feb 15 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... * WHAT...Freezing rain expected, possibly mixed with sleet. Total ice accumulations up to two tenths of an inch. Temperatures fall well below freezing by Monday night with wind chills in the single digits. * WHERE...Hale and Marengo Counties. * WHEN...Until 9 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ017-024-033-034-152215- /O.UPG.KBMX.WS.A.0002.210215T1500Z-210216T0600Z/ /O.NEW.KBMX.WW.Y.0004.210215T2100Z-210216T0300Z/ Blount-Jefferson-Perry-Bibb- Including the cities of Oneonta, Birmingham, Hoover, Marion, and Centreville 349 AM CST Mon Feb 15 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM CST THIS EVENING... * WHAT...Rain may change to to light freezing rain or sleet. Total ice accumulations of a light glaze. Areas that do not receive freezing rain will still have dangerous black ice develop overnight as remaining water on roads freezes. * WHERE...Blount, Jefferson, Perry and Bibb Counties. * WHEN...From 3 PM this afternoon to 9 PM CST this evening. * IMPACTS...Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 3:36 AM CST | Winter Storm Warning | BMX | Fayette, Greene, Hale, Lamar, Marengo, Marion and 5 more | 36 hr |
Nearby
Winter Storm Watches in Alabama, 2021Every winter storm 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.