Alert archive / Mississippi / Heat Advisories in 2026

Heat Advisory 3, NWS Mobile, AL

June 30, 20265 counties in Mississippi

NWS Mobile, AL issued this heat advisory at Jun 30, 2026, 10:43 AM CDT for 5 counties in Mississippi. It took effect at Jul 1, 2026, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jun 30, 2026, 10:43 AM CDT (15:43 UTC)
In effect from: Jul 1, 2026, 10:00 AM CDT
Expired: Jul 1, 2026, 7:00 PM CDT
In force: 9 hr
Issued by: NWS Mobile, AL

Counties George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 75 km from the middle of the area, began a volume at 15:40 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, 3.7 hours before the alert went out and 130 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: 2097 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 743 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

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 30, 6:45 AM CDT, 3 hours 58 minutes earlier.

Area forecast discussion, Jun 30, 6:45 AM CDT, 3 hours 58 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 29, 11:16 PM CDT	Heat Advisory	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	19 hr
Jun 30, 1:17 PM CDT	Special Marine Warning	MOB		88 min
Jun 30, 2:28 PM CDT	Special Marine Warning	MOB		79 min
Jun 30, 3:09 PM CDT	Special Marine Warning	MOB		61 min
Jun 30, 3:50 PM CDT	Special Marine Warning	MOB		70 min
Jun 30, 4:00 PM CDT	Special Marine Warning	MOB		90 min
Jun 30, 4:07 PM CDT	Special Weather Statement	MOB	Conecuh	53 min
Jun 30, 5:16 PM CDT	Special Marine Warning	MOB		53 min
Jun 30, 5:19 PM CDT	Special Weather Statement	MOB	Baldwin	41 min
Jun 30, 5:25 PM CDT	Special Marine Warning	MOB		43 min
Jun 30, 5:55 PM CDT	Special Weather Statement	MOB	Baldwin	50 min
Jun 30, 6:03 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	42 min
Jun 30, 6:19 PM CDT	Special Weather Statement	MOB	Baldwin	41 min
Jun 30, 6:39 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	28 min
Jun 30, 6:49 PM CDT	Special Weather Statement	MOB	Mobile	41 min
Jun 30, 2:42 PM CDT	Special Weather Statement	MOB	Escambia	48 min
Jun 30, 3:11 PM CDT	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	49 min
Jun 30, 3:56 PM CDT	Special Weather Statement	MOB	Escambia	49 min
Jun 30, 5:26 PM CDT	Special Weather Statement	MOB	Okaloosa	49 min
Jun 30, 5:36 PM CDT	Special Weather Statement	MOB	Santa Rosa	39 min

Nearby

Heat Advisories in Mississippi, 2026 Every 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.