Alert archive / Alabama / Heat Advisories in 2026

Heat Advisory 13, NWS Mobile, AL

August 15, 202612 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi

NWS Mobile, AL issued this heat advisory at Aug 15, 2026, 11:25 AM CDT for 12 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi. It took effect at Aug 16, 2026, 11:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Aug 15, 2026, 11:25 AM CDT (16:25 UTC)
In effect from
Aug 16, 2026, 11:00 AM CDT
Expired
Aug 16, 2026, 8:00 PM CDT
In force
9 hr
Issued by
NWS Mobile, AL

Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 16:25 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.4 hours before the alert went out and 223 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, Slidell Radar S, LA at 12:00Z on 2026-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2356 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 12:00Z on 2026-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939Sfc1 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
2356 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
742 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
-19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this heat advisory went out at Aug 15, 6:36 AM CDT, 4 hours 49 minutes earlier.

Area forecast discussion, Aug 15, 6:36 AM CDT, 4 hours 49 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 7:38 PM CDTSpecial Marine WarningMOB79 min
Aug 15, 1:24 PM CDTSpecial Weather StatementMOBCrenshaw51 min
Aug 15, 1:51 PM CDTSpecial Weather StatementMOBConecuh39 min
Aug 15, 2:27 PM CDTSpecial Weather StatementMOBCovington48 min
Aug 15, 2:45 PM CDTSpecial Weather StatementMOBButler45 min
Aug 15, 3:00 PM CDTSpecial Weather StatementMOBEscambia45 min
Aug 15, 3:21 PM CDTSpecial Weather StatementMOBMobile39 min
Aug 15, 3:29 PM CDTSpecial Weather StatementMOBCovington46 min
Aug 15, 3:40 PM CDTSpecial Weather StatementMOBMobile50 min
Aug 15, 4:15 PM CDTSpecial Weather StatementMOBMobile45 min
Aug 15, 4:40 PM CDTSpecial Weather StatementMOBBaldwin50 min
Aug 14, 7:11 PM CDTSpecial Weather StatementMOBOkaloosa49 min
Aug 15, 4:02 PM CDTSpecial Weather StatementMOBSanta Rosa43 min
Aug 15, 4:36 PM CDTSpecial Weather StatementMOBEscambia39 min
Aug 15, 5:42 PM CDTSpecial Weather StatementMOBEscambia48 min
Aug 15, 6:04 PM CDTSpecial Weather StatementMOBEscambia41 min

Nearby

Heat Advisories in Alabama, 2026Heat Advisories in Mississippi, 2026Heat Advisories in Florida, 2026Every heat advisory in 2026

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.