Alert archive / Mississippi / Special Weather Statements in 2012

Special Weather Statement, NWS Jackson, MS

July 27, 2012Scott County, Mississippi

NWS Jackson, MS issued this special weather statement at Jul 27, 2012, 1:20 PM CDT for Scott County, Mississippi. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 27, 2012, 1:20 PM CDT (18:20 UTC)
Expired: Jul 27, 2012, 2:20 PM CDT
In force: 60 min
Issued by: NWS Jackson, MS

County Scott County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 51 km from the middle of the area, began a volume at 18:22 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

Jackson, MS (KJAN), launched 12:00Z, 6.3 hours before the alert went out and 60 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: 2214 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 531 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 27, 11:10 AM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, Jul 27, 11:10 AM CDT, 2 hours 10 minutes before

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Hazardous weather outlook, Jul 27, 4:18 AM CDT, 9 hours 2 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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In the hours before

Special weather statement, Jul 27, 1:20 PM CDT, 0 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 27, 2:19 PM CDT	Special Weather Statement	JAN	Clarke	61 min
Jul 27, 3:18 PM CDT	Special Weather Statement	JAN	Rankin	32 min
Jul 27, 3:24 PM CDT	Special Weather Statement	JAN	Claiborne	46 min
Jul 27, 3:45 PM CDT	Special Weather Statement	JAN	Claiborne, Warren	60 min
Jul 27, 3:55 PM CDT	Special Weather Statement	JAN	Kemper	30 min
Jul 27, 4:13 PM CDT	Special Weather Statement	JAN	Simpson	62 min
Jul 27, 4:30 PM CDT	Special Weather Statement	JAN	Hinds	30 min
Jul 27, 4:34 PM CDT	Special Weather Statement	JAN	Leake	46 min
Jul 27, 4:39 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Scott	36 min
Jul 27, 4:49 PM CDT	Special Weather Statement	JAN	Madison	31 min
Jul 27, 4:53 PM CDT	Special Weather Statement	JAN	Noxubee	42 min
Jul 27, 4:54 PM CDT	Special Weather Statement	JAN	Noxubee	41 min
Jul 27, 5:04 PM CDT	Special Weather Statement	JAN	Hinds	61 min
Jul 27, 5:12 PM CDT	Special Weather Statement	JAN	Winston	58 min
Jul 27, 5:18 PM CDT	Special Weather Statement	JAN	Scott	62 min
Jul 27, 5:36 PM CDT	Special Weather Statement	JAN	Neshoba	44 min
Jul 27, 6:03 PM CDT	Special Weather Statement	JAN	Winston	47 min
Jul 27, 6:07 PM CDT	Severe Thunderstorm Warning	JAN	Winston	38 min
Jul 27, 6:16 PM CDT	Flash Flood Warning	JAN	Kemper, Neshoba, Noxubee, Winston	119 min
Jul 27, 6:55 PM CDT	Special Weather Statement	JAN	Clay	45 min

Nearby

Special Weather Statements in Mississippi, 2012 Every special weather statement in 2012

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.