Alert archive / Alabama / Heat Advisories in 2022

Heat Advisory 7, NWS Mobile, AL

June 17, 202212 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi

NWS Mobile, AL issued this heat advisory at Jun 17, 2022, 1:32 PM CDT for 12 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi. It took effect at Jun 18, 2022, 11:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jun 17, 2022, 1:32 PM CDT (18:32 UTC)
In effect from: Jun 18, 2022, 11:00 AM CDT
Expired: Jun 18, 2022, 7:00 PM CDT
In force: 8 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 18:31 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 12:00Z, 6.5 hours before the alert went out and 231 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1535 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 1149 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -54 m²/s²
0-3 km storm-relative helicity: 5 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 Jun 17, 1:02 PM CDT, 30 minutes earlier.

Area forecast discussion, Jun 17, 1:02 PM CDT, 30 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 7:28 PM CDT	Special Weather Statement	MOB	Crenshaw	47 min
Jun 16, 7:52 PM CDT	Special Weather Statement	MOB	Butler	23 min
Jun 16, 8:07 PM CDT	Special Weather Statement	MOB	Crenshaw	23 min
Jun 16, 9:03 PM CDT	Special Weather Statement	MOB	Covington	42 min
Jun 16, 9:37 PM CDT	Special Weather Statement	MOB	Crenshaw	38 min
Jun 17, 3:58 PM CDT	Special Weather Statement	MOB	Marengo	47 min
Jun 17, 5:30 PM CDT	Special Weather Statement	MOB	Clarke	45 min
Jun 17, 5:38 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Wilcox	31 min
Jun 17, 6:17 PM CDT	Special Weather Statement	MOB	Clarke	43 min
Jun 17, 6:28 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	19 min

Nearby

Heat Advisories in Alabama, 2022 Heat Advisories in Mississippi, 2022 Heat Advisories in Florida, 2022 Every heat advisory in 2022

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.