Alert archive / Alabama / Wind Advisories in 2019

Wind Advisory 8, NWS Huntsville, AL

October 26, 201911 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee

NWS Huntsville, AL issued this wind advisory at Oct 26, 2019, 6:15 AM CDT for 11 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It took effect at Oct 26, 2019, 10:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Oct 26, 2019, 6:15 AM CDT (11:15 UTC)
In effect from
Oct 26, 2019, 10:00 AM CDT
Expired
Oct 26, 2019, 5:00 PM CDT
In force
7 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 11:18 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 00:00Z, 11.3 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2019-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2019-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
631 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 25, 9:25 PM CDTFlash Flood WatchHUNColbert, Franklin, Lauderdale, Lawrence12 hr
Oct 26, 12:38 PM CDTSpecial Weather StatementHUNColbert, Franklin, Lauderdale37 min
Oct 26, 1:16 PM CDTSpecial Weather StatementHUNColbert, Lauderdale, Lawrence44 min
Oct 26, 2:00 PM CDTSpecial Weather StatementHUNLawrence, Limestone45 min
Oct 26, 2:48 PM CDTSpecial Weather StatementHUNLawrence, Limestone, Morgan42 min
Oct 26, 3:30 PM CDTSpecial Weather StatementHUNCullman, Madison, Morgan45 min
Oct 26, 4:21 PM CDTSpecial Weather StatementHUNCullman, Madison, Morgan39 min
Oct 26, 5:06 PM CDTSpecial Weather StatementHUNMadison39 min
Oct 26, 5:48 PM CDTSpecial Weather StatementHUNJackson, Madison42 min
Oct 26, 6:38 PM CDTSpecial Weather StatementHUNDeKalb, Jackson52 min

Nearby

Wind Advisories in Alabama, 2019Wind Advisories in Tennessee, 2019Every wind advisory in 2019

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.