Alert archive / Alabama / Heat Advisories in 2019

Heat Advisory 2, NWS Mobile, AL

July 5, 20199 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; George County, Mississippi

NWS Mobile, AL issued this heat advisory at Jul 5, 2019, 3:35 PM CDT for 9 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; George County, Mississippi. It took effect at Jul 6, 2019, 11:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jul 5, 2019, 3:35 PM CDT (20:35 UTC)
In effect from: Jul 6, 2019, 11:00 AM CDT
Expired: Jul 6, 2019, 7:00 PM CDT
In force: 8 hr
Issued by: NWS Mobile, AL

Counties Baldwin County, AL, Butler County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS

The radar

The Mobile radar (KMOB), 111 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 258 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: 1810 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 1087 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 39 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 Jul 5, 11:15 AM CDT, 4 hours 20 minutes earlier.

Area forecast discussion, Jul 5, 11:15 AM CDT, 4 hours 20 minutes before

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Hazardous weather outlook, Jul 5, 11:23 AM CDT, 4 hours 12 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
Jul 5, 4:55 PM CDT	Special Marine Warning	MOB		65 min
Jul 5, 5:33 PM CDT	Special Marine Warning	MOB		87 min
Jul 5, 5:59 PM CDT	Special Marine Warning	MOB		91 min
Jul 5, 6:49 PM CDT	Special Marine Warning	MOB		45 min
Jul 5, 4:53 PM CDT	Special Weather Statement	MOB	Okaloosa	52 min
Jul 5, 5:01 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	44 min
Jul 5, 5:05 PM CDT	Special Weather Statement	MOB	Escambia	25 min
Jul 5, 5:35 PM CDT	Special Weather Statement	MOB	Escambia	40 min
Jul 5, 5:47 PM CDT	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	43 min
Jul 5, 5:57 PM CDT	Special Weather Statement	MOB	Escambia	48 min

Nearby

Heat Advisories in Alabama, 2019 Heat Advisories in Florida, 2019 Heat Advisories in Mississippi, 2019 Every heat 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.