Alert archive / Alabama / Winter Storm Warnings in 2021
Winter Storm Warning 2, NWS Birmingham, AL
NWS Birmingham, AL issued this winter storm warning at Feb 17, 2021, 3:37 AM CST for Lamar County, Marion County, Winston County, Alabama. It took effect at Feb 17, 2021, 1:00 PM CST. It was in force for 17 hr. 8 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 17, 2021, 3:37 AM CST (09:37 UTC)
- In effect from
- Feb 17, 2021, 1:00 PM CST
- Expired
- Feb 18, 2021, 6:00 AM CST
- In force
- 17 hr
- Issued by
- NWS Birmingham, AL
Counties Lamar County, AL, Marion County, AL, Winston County, AL
The radar
The Columbus AFB radar (KGWX), 52 km from the middle of the area, began a volume at 09:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 17, 8:40 PM CST | SNOW 1 | Hamilton, AL | 1 INCH OF SNOW AND SLEET MIXTURE IN HAMILTON, STILL ONGOING. |
| Feb 17, 9:00 PM CST | SNOW 2 | 1 Ssw Haleyville, AL | 2 INCHES OF SNOW IN HALEYVILLE, STILL ONGOING. |
| Feb 17, 9:50 PM CST | FREEZING RAIN 0.01 | Vernon, AL | EARLIER SLEET AND SNOW CHANGED OVER TO FREEZING RAIN. MULTIPLE POWER LINES DOWN. |
| Feb 17, 10:49 PM CST | SNOW 2.5 | 1 Ssw Haleyville, AL | |
| Feb 17, 11:52 PM CST | HEAVY SNOW 2.5 | Lynn, AL | |
| Feb 17, 11:52 PM CST | HEAVY SNOW 3 | 1 Sw Haleyville, AL | |
| Feb 18, 6:00 AM CST | SNOW 1.5 | Double Springs, AL | 1.5 INCHES OF SNOW AT THE WINSTON COUNTY EMA IN DOUBLE SPRINGS. |
| Feb 18, 6:00 AM CST | SNOW 2 | 1 Ne Inmanfield, AL | 2 INCHES OF SNOW REPORTED AT THE ADDISON CO-OP SITE IN FAR NORTHEAST WINSTON COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 9.6 hours before the alert went out and 132 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
- 999 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- -82 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
979 WWUS44 KBMX 170937 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 337 AM CST Wed Feb 17 2021 ...Wintry mix impacts expected across northwest Central Alabama this afternoon through Thursday morning... ALZ011-012-014-171745- /O.NEW.KBMX.WS.W.0002.210217T1900Z-210218T1500Z/ Marion-Lamar-Winston- Including the cities of Hamilton, Sulligent, Vernon, and Double Springs 337 AM CST Wed Feb 17 2021 ...WINTER STORM WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 AM CST THURSDAY... * WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations of up to two inches with locally higher amounts and ice accumulations of up to one tenth of an inch. * WHERE...Marion, Lamar and Winston Counties. * WHEN...From 1 PM this afternoon to 9 AM CST Thursday. * 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. && $$ ALZ013-015-022-171745- /O.NEW.KBMX.WW.Y.0006.210217T1900Z-210218T0900Z/ Fayette-Walker-Pickens- Including the cities of Fayette, Jasper, and Carrollton 337 AM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 3 AM CST THURSDAY... * WHAT...Mixed precipitation expected. Total snow and sleet accumulations of up to one inch and ice accumulations of a light glaze. * WHERE...Fayette, Walker and Pickens Counties. * WHEN...From 1 PM this afternoon to 3 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
4 follow-up statements
344 WWUS44 KBMX 171641 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 1041 AM CST Wed Feb 17 2021 ...A wintry mixture will impact west central and northwest portions of Central Alabama this afternoon through Thursday morning... ALZ011-012-014-172100- /O.CON.KBMX.WS.W.0002.210217T1900Z-210218T1500Z/ Marion-Lamar-Winston- Including the cities of Hamilton, Sulligent, Vernon, and Double Springs 1041 AM CST Wed Feb 17 2021 ...WINTER STORM WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 AM CST THURSDAY... * WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations up to two inches with locally higher amounts, and freezing rain accumulations up to one tenth of an inch. * WHERE...Marion, Lamar and Winston Counties. * WHEN...From 1 PM this afternoon to 9 AM CST Thursday. * 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. && $$ ALZ013-015-022-172100- /O.CON.KBMX.WW.Y.0006.210217T1900Z-210218T0900Z/ Fayette-Walker-Pickens- Including the cities of Fayette, Jasper, and Carrollton 1041 AM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 3 AM CST THURSDAY... * WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and freezing rain accumulations of a light glaze. * WHERE...Fayette, Walker and Pickens Counties. * WHEN...From 1 PM this afternoon to 3 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
778 WWUS44 KBMX 172013 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 213 PM CST Wed Feb 17 2021 ...A wintry mixture will impact west central and northwest portions of Central Alabama through early Thursday morning... ALZ011-012-014-180500- /O.CON.KBMX.WS.W.0002.000000T0000Z-210218T1500Z/ Marion-Lamar-Winston- Including the cities of Hamilton, Sulligent, Vernon, and Double Springs 213 PM CST Wed Feb 17 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST THURSDAY... * WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations up to two inches with locally higher amounts, and freezing rain accumulations up to one tenth of an inch. * WHERE...Marion, Lamar and Winston Counties. * WHEN...thru 9 AM CST Thursday. * 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. && $$ ALZ013-015-022-180500- /O.CON.KBMX.WW.Y.0006.000000T0000Z-210218T0900Z/ Fayette-Walker-Pickens- Including the cities of Fayette, Jasper, and Carrollton 213 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and freezing rain accumulations of a light glaze. * WHERE...Fayette, Walker and Pickens Counties. * WHEN...Thru 3 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
221 WWUS44 KBMX 172338 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 538 PM CST Wed Feb 17 2021 ...A wintry mixture will impact the west central and northwest portions of Central Alabama through early Thursday morning... ALZ011-012-014-181200- /O.EXT.KBMX.WS.W.0002.000000T0000Z-210218T1200Z/ Marion-Lamar-Winston- Including the cities of Hamilton, Sulligent, Vernon, and Double Springs 538 PM CST Wed Feb 17 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Heavy mixed precipitation. Additional snow accumulations of 1 to 3 inches and ice accumulations of a light glaze. * WHERE...Winston, Marion and Lamar Counties. * WHEN...Until 6 AM CST Thursday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact travel tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ013-015-022-180900- /O.CON.KBMX.WW.Y.0006.000000T0000Z-210218T0900Z/ Fayette-Walker-Pickens- Including the cities of Fayette, Jasper, and Carrollton 538 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Mixed precipitation. Additional snow accumulations of up to two inches and ice accumulations of a light glaze. * WHERE...Pickens, Walker and Fayette Counties. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact travel tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ 08
601 WWUS44 KBMX 180347 WSWBMX URGENT - WINTER WEATHER MESSAGE National Weather Service Birmingham AL 947 PM CST Wed Feb 17 2021 ...A wintry mixture will impact the west central and northwest portions of Central Alabama through early Thursday morning... ALZ011-012-014-181200- /O.CON.KBMX.WS.W.0002.000000T0000Z-210218T1200Z/ Marion-Lamar-Winston- Including the cities of Hamilton, Sulligent, Vernon, and Double Springs 947 PM CST Wed Feb 17 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Heavy mixed precipitation. Additional snow accumulations of up to one inch and ice accumulations of a light glaze. * WHERE...Winston, Marion and Lamar Counties. * WHEN...Until 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ ALZ017-180900- /O.EXA.KBMX.WW.Y.0006.000000T0000Z-210218T0900Z/ Blount- Including the city of Oneonta 947 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Mixed precipitation. Additional snow accumulations of up to one inch. * WHERE...Blount County. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ ALZ013-015-022-180900- /O.CON.KBMX.WW.Y.0006.000000T0000Z-210218T0900Z/ Fayette-Walker-Pickens- Including the cities of Fayette, Jasper, and Carrollton 947 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Mixed precipitation. Additional snow accumulations of up to one inch and ice accumulations of a light glaze. * WHERE...Pickens, Walker and Fayette Counties. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 8:50 PM CST | River Flood Warning | BMX | Greene, Hale, Marengo | 24 hr |
| Feb 17, 3:37 AM CST | Winter Weather Advisory | BMX | Blount, Fayette, Pickens, Walker | 23 hr |
Nearby
Winter Storm Warnings in Alabama, 2021Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.