Alert archive / Alabama / Wind Advisories in 2021
Wind Advisory 1, NWS Huntsville, AL
NWS Huntsville, AL issued this wind advisory at Jan 30, 2021, 1:34 PM CST for 11 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It took effect at Jan 30, 2021, 6:00 PM CST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 30, 2021, 1:34 PM CST (19:34 UTC)
- In effect from
- Jan 30, 2021, 6:00 PM CST
- Expired
- Jan 31, 2021, 2:24 AM CST
- In force
- 8 hr
- Issued by
- NWS Huntsville, AL
Counties Colbert County, AL, Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 69 km from the middle of the area, began a volume at 19:36 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
Nashville Metro, TN (KBNA), launched 12:00Z, 7.6 hours before the alert went out and 159 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
- 2202 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
751 WWUS74 KHUN 301934 NPWHUN URGENT - WEATHER MESSAGE National Weather Service Huntsville AL 134 PM CST Sat Jan 30 2021 ALZ001>010-016-TNZ076-096-097-310900- /O.NEW.KHUN.WI.Y.0001.210131T0000Z-210131T0900Z/ Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- Including the cities of Florence, Muscle Shoals, Sheffield, Tuscumbia, Russellville, Red Bay, Moulton, Town Creek, Athens, Huntsville, Decatur, Albertville, Boaz, Guntersville, Arab, Scottsboro, Fort Payne, Rainsville, Cullman, Lynchburg, Fayetteville, Winchester, Sewanee, Decherd, Estill Springs, and Cowan 134 PM CST Sat Jan 30 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 AM CST SUNDAY... * WHAT...South winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Portions of north central, northeast and northwest Alabama and southern middle Tennessee. * WHEN...From 6 PM this evening to 3 AM CST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
710 WWUS74 KHUN 310318 NPWHUN URGENT - WEATHER MESSAGE National Weather Service Huntsville AL 918 PM CST Sat Jan 30 2021 ALZ001>010-016-TNZ076-096-097-310900- /O.CON.KHUN.WI.Y.0001.000000T0000Z-210131T0900Z/ Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- Including the cities of Florence, Muscle Shoals, Sheffield, Tuscumbia, Russellville, Red Bay, Moulton, Town Creek, Athens, Huntsville, Decatur, Albertville, Boaz, Guntersville, Arab, Scottsboro, Fort Payne, Rainsville, Cullman, Lynchburg, Fayetteville, Winchester, Sewanee, Decherd, Estill Springs, and Cowan 918 PM CST Sat Jan 30 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...All of north Alabama and southern middle Tennessee. * WHEN...Now through 3 AM CST early Sunday morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
642 WWUS74 KHUN 310824 NPWHUN URGENT - WEATHER MESSAGE National Weather Service Huntsville AL 224 AM CST Sun Jan 31 2021 ALZ001>010-016-TNZ076-096-097-310930- /O.CAN.KHUN.WI.Y.0001.000000T0000Z-210131T0900Z/ Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- Including the cities of Florence, Muscle Shoals, Sheffield, Tuscumbia, Russellville, Red Bay, Moulton, Town Creek, Athens, Huntsville, Decatur, Albertville, Boaz, Guntersville, Arab, Scottsboro, Fort Payne, Rainsville, Cullman, Lynchburg, Fayetteville, Winchester, Sewanee, Decherd, Estill Springs, and Cowan 224 AM CST Sun Jan 31 2021 ...WIND ADVISORY IS CANCELLED... Current surface observations indicate that sustained wind speeds across the Tennessee Valley have now fallen into the 5 to 15 MPH range, with occasional gusts up to 20 MPH. Thus, the Wind Advisory has been cancelled. $$ 70/DD
Nearby
Wind Advisories in Alabama, 2021Wind Advisories in Tennessee, 2021Every wind 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.