Alert archive / Alabama / Heat Advisories in 2015

Heat Advisory 1, NWS Mobile, AL

June 23, 201512 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi

NWS Mobile, AL issued this heat advisory at Jun 23, 2015, 10:03 AM CDT for 12 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi. It took effect at Jun 23, 2015, 12:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jun 23, 2015, 10:03 AM CDT (15:03 UTC)
In effect from: Jun 23, 2015, 12:00 PM CDT
Expired: Jun 23, 2015, 5:47 PM CDT
In force: 6 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 15:05 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, 3.1 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-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: 2882 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 933 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: -36 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 23, 6:59 AM CDT, 3 hours 4 minutes earlier.

Area forecast discussion, Jun 23, 6:59 AM CDT, 3 hours 4 minutes before

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Hazardous weather outlook, Jun 23, 5:13 AM CDT, 4 hours 50 minutes before

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In the hours before

Local storm report, Jun 23, 7:57 AM CDT, 2 hours 6 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 23, 1:46 PM CDT	Special Weather Statement	MOB	Baldwin	29 min
Jun 23, 2:01 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	44 min
Jun 23, 2:27 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	33 min
Jun 23, 3:01 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	31 min
Jun 23, 5:00 PM CDT	Special Weather Statement	MOB	Mobile	45 min
Jun 23, 6:27 PM CDT	Special Weather Statement	MOB	Crenshaw	63 min
Jun 23, 6:38 PM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	33 min
Jun 23, 2:56 PM CDT	Special Weather Statement	MOB	Escambia	34 min
Jun 23, 3:07 PM CDT	Severe Thunderstorm Warning	MOB	Escambia	38 min
Jun 23, 3:44 PM CDT	Special Weather Statement	MOB	Escambia	31 min
Jun 23, 5:01 PM CDT	Special Weather Statement	MOB	Escambia	59 min
Jun 23, 5:39 PM CDT	Special Weather Statement	MOB	Okaloosa	36 min
Jun 23, 5:44 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	46 min
Jun 23, 6:31 PM CDT	Special Weather Statement	MOB	Okaloosa	59 min

Nearby

Heat Advisories in Alabama, 2015 Heat Advisories in Mississippi, 2015 Heat Advisories in Florida, 2015 Every heat advisory in 2015

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.