Alert archive / Mississippi / Excessive Heat Warnings in 2016

Excessive Heat Warning 1, NWS Jackson, MS

July 22, 2016Bolivar County, Mississippi

NWS Jackson, MS issued this excessive heat warning at Jul 22, 2016, 9:19 AM CDT for Bolivar County, Mississippi. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 22, 2016, 9:19 AM CDT (14:19 UTC)
Expired: Jul 22, 2016, 7:00 PM CDT
In force: 10 hr
Issued by: NWS Jackson, MS

County Bolivar County, MS

The radar

The Little Rock radar (KLZK), 172 km from the middle of the area, began a volume at 14:16 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

Little Rock, AR (KBYH), launched 12:00Z, 2.3 hours before the alert went out and 143 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: 2376 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1163 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.4

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Jackson, MS wrote its last area forecast discussion before this excessive heat warning went out at Jul 22, 4:24 AM CDT, 4 hours 55 minutes earlier.

Area forecast discussion, Jul 22, 4:24 AM CDT, 4 hours 55 minutes before

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Hazardous weather outlook, Jul 22, 4:32 AM CDT, 4 hours 47 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 22, 9:19 AM CDT	Heat Advisory	JAN	Bolivar	34 hr
Jul 22, 1:09 PM CDT	Special Weather Statement	JAN	Smith	51 min
Jul 22, 1:44 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Forrest, Jones	46 min
Jul 22, 2:18 PM CDT	Special Weather Statement	JAN	Scott	27 min
Jul 22, 2:27 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	48 min
Jul 22, 2:30 PM CDT	Special Weather Statement	JAN	Covington	30 min
Jul 22, 2:53 PM CDT	Severe Thunderstorm Warning	JAN	Scott, Smith	17 min
Jul 22, 2:58 PM CDT	Special Weather Statement	JAN	Newton	47 min
Jul 22, 3:03 PM CDT	Special Weather Statement	JAN	Marion	27 min
Jul 22, 3:13 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Rankin	11 min
Jul 22, 3:40 PM CDT	Special Weather Statement	JAN	Franklin	35 min
Jul 22, 4:15 PM CDT	Special Weather Statement	JAN	Franklin	30 min
Jul 22, 4:18 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	42 min
Jul 22, 4:23 PM CDT	Severe Thunderstorm Warning	JAN	Adams	52 min
Jul 22, 4:28 PM CDT	Special Weather Statement	JAN	Copiah	32 min
Jul 22, 4:38 PM CDT	Severe Thunderstorm Warning	JAN	Adams	52 min
Jul 22, 4:55 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Jefferson	50 min
Jul 22, 5:26 PM CDT	Severe Thunderstorm Warning	JAN	Franklin, Jefferson, Lincoln	49 min
Jul 22, 5:30 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes	45 min
Jul 22, 5:46 PM CDT	Special Weather Statement	JAN	Carroll	29 min
Jul 22, 6:20 PM CDT	Special Weather Statement	JAN	Oktibbeha	25 min
Jul 22, 6:33 PM CDT	Special Weather Statement	JAN	Clay	27 min
Jul 22, 6:54 PM CDT	Special Weather Statement	JAN	Oktibbeha, Webster	36 min
Jul 22, 2:21 PM CDT	Special Weather Statement	JAN	Franklin	24 min
Jul 22, 2:42 PM CDT	Special Weather Statement	JAN	Franklin	33 min
Jul 22, 2:45 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Franklin	45 min
Jul 22, 3:15 PM CDT	Special Weather Statement	JAN	Catahoula	45 min
Jul 22, 3:34 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Tensas	16 min

Nearby

Excessive Heat Warnings in Mississippi, 2016 Every excessive heat warning in 2016

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.