Alert archive / Alabama / Wind Advisories in 2021
Wind Advisory 8, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Aug 16, 2021, 3:22 AM CDT for 6 counties in Alabama. It took effect at Aug 16, 2021, 4:00 PM CDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Aug 16, 2021, 3:22 AM CDT (08:22 UTC)
- In effect from
- Aug 16, 2021, 4:00 PM CDT
- Expired
- Aug 17, 2021, 3:18 AM CDT
- In force
- 11 hr
- Issued by
- NWS Birmingham, AL
Counties Barbour County, AL, Bullock County, AL, Lee County, AL, Macon County, AL, Pike County, AL, Russell County, AL
The radar
The Maxwell AFB radar (KMXX), 46 km from the middle of the area, began a volume at 08:22 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, 8.4 hours before the alert went out and 161 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
- 657 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
595 WWUS74 KBMX 160822 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 322 AM CDT Mon Aug 16 2021 ALZ046-048>050-162100- /O.NEW.KBMX.WI.Y.0008.210817T0000Z-210817T1200Z/ Bullock-Russell-Pike-Barbour- Including the cities of Union Springs, Phenix City, Troy, and Eufaula 322 AM CDT Mon Aug 16 2021 ...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM CDT TUESDAY... * WHAT...East winds 10 to 20 mph with gusts up to 35 mph expected. * WHERE...Bullock, Russell, Pike and Barbour Counties. * WHEN...From 7 PM this evening to 7 AM CDT Tuesday. * 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. && $$ 40/Sizemore
2 follow-up statements
827 WWUS74 KBMX 162100 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 400 PM CDT Mon Aug 16 2021 ALZ045-047-171000- /O.EXB.KBMX.WI.Y.0008.210816T2100Z-210817T1200Z/ Macon-Lee- Including the cities of Tuskegee, Auburn, and Opelika 400 PM CDT Mon Aug 16 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... * WHAT...East winds 10 to 20 mph with gusts around 35 mph possible. * WHERE...Macon and Lee Counties. * WHEN...Until 7 AM CDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ALZ046-048>050-171000- /O.EXT.KBMX.WI.Y.0008.210816T2100Z-210817T1200Z/ Bullock-Russell-Pike-Barbour- Including the cities of Union Springs, Phenix City, Troy, and Eufaula 400 PM CDT Mon Aug 16 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM CDT TUESDAY... * WHAT...East winds 10 to 20 mph with gusts around 35 mph possible. * WHERE...Bullock, Russell, Pike and Barbour Counties. * WHEN...Until 7 AM CDT Tuesday. * 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. && $$
033 WWUS74 KBMX 170818 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 318 AM CDT Tue Aug 17 2021 ALZ045>050-170930- /O.CAN.KBMX.WI.Y.0008.000000T0000Z-210817T1200Z/ Macon-Bullock-Lee-Russell-Pike-Barbour- Including the cities of Tuskegee, Union Springs, Auburn, Opelika, Phenix City, Troy, and Eufaula 318 AM CDT Tue Aug 17 2021 ...WIND ADVISORY IS CANCELLED... Gusty winds associated with Tropical Cyclone Fred have weakened. $$ 40/Sizemore
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 3:15 AM CDT | Flash Flood Watch | BMX | Barbour, Bullock, Chambers, Elmore, Lee, Macon and 5 more | 24 hr |
Nearby
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.