Alert archive / Mississippi / Special Weather Statements in 2019

Special Weather Statement, NWS Jackson, MS

August 7, 2019Rankin County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 7, 2019, 2:45 PM CDT for Rankin County, Mississippi. It was in force for 30 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: Aug 7, 2019, 2:45 PM CDT (19:45 UTC)
Expired: Aug 7, 2019, 3:15 PM CDT
In force: 30 min
Issued by: NWS Jackson, MS

County Rankin County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 7 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 3 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: 1635 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 918 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.6

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 Aug 7, 12:28 PM CDT, 2 hours 17 minutes earlier.

Area forecast discussion, Aug 7, 12:28 PM CDT, 2 hours 17 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Aug 7, 5:10 AM CDT, 9 hours 35 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Special weather statement, Aug 7, 1:59 PM CDT, 46 minutes before

Special Weather Statement
National Weather Service Jackson MS
159 PM CDT Wed Aug 7 2019

LAZ016-MSZ047-071930-
Madison LA-Warren MS-
159 PM CDT Wed Aug 7 2019

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL MADISON PARISH IN
NORTHEASTERN LOUISIANA AND SOUTH CENTRAL WARREN COUNTIES UNTIL 230 PM
CDT...

At 158 PM CDT, Meteorologists were tracking a strong thunderstorm
over Vicksburg, moving southeast at 15 mph.

Wind gusts up to 50 mph will be possible with this storm.

This strong thunderstorm will be near...
  Le Tourneau around 220 PM CDT.

Other locations impacted by this storm include Delta and Mound.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

&&

LAT...LON 3244 9086 3230 9070 3227 9072 3226 9073
      3225 9071 3221 9074 3218 9079 3217 9077
      3216 9077 3215 9081 3214 9082 3215 9083
      3216 9085 3214 9086 3213 9084 3212 9088
      3213 9091 3233 9103
TIME...MOT...LOC 1858Z 324DEG 11KT 3233 9090

EC

Special weather statement, Aug 7, 2:34 PM CDT, 11 minutes before

Special Weather Statement
National Weather Service Jackson MS
234 PM CDT Wed Aug 7 2019

LAZ016-MSZ047-048-053-072000-
Madison LA-Warren MS-Hinds MS-Claiborne MS-
234 PM CDT Wed Aug 7 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN MADISON PARISH...
SOUTHWESTERN WARREN...NORTHEASTERN CLAIBORNE AND SOUTHWESTERN HINDS
COUNTIES UNTIL 300 PM CDT...

At 233 PM CDT, Meteorologists were tracking a strong thunderstorm
near Le Tourneau, or near Vicksburg, moving southeast at 15 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Newman around 255 PM CDT.
  Reganton and Rocky Springs around 300 PM CDT.

Other locations impacted by this storm include Learned and Delta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

&&

LAT...LON 3226 9105 3241 9082 3218 9047 3205 9067
      3205 9072 3202 9072 3195 9082
TIME...MOT...LOC 1933Z 325DEG 14KT 3224 9084

JM

Special weather statement, Aug 7, 2:45 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Jackson MS
245 PM CDT Wed Aug 7 2019

MSZ049-072015-
Rankin MS-
245 PM CDT Wed Aug 7 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN RANKIN COUNTY UNTIL 315
PM CDT...

At 245 PM CDT, Meteorologists were tracking a strong thunderstorm
over Brandon, moving southeast at 15 mph.

Dime size hail and wind gusts up to 50 mph will be possible with this
storm.

This strong thunderstorm will be near...
  Cato, Johns and Piney Woods around 315 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

&&

LAT...LON 3228 9018 3229 9018 3229 9015 3231 9016
      3232 9015 3234 9011 3238 9010 3240 9007
      3242 9007 3242 9006 3244 9007 3244 9005
      3246 9002 3215 8973 3213 8973 3205 8988
      3205 9002
TIME...MOT...LOC 1945Z 325DEG 14KT 3225 9000

JM

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 1:59 PM CDT	Special Weather Statement	JAN	Warren	31 min
Aug 7, 2:34 PM CDT	Special Weather Statement	JAN	Warren	26 min
Aug 7, 3:33 PM CDT	Heat Advisory	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more	51 hr
Aug 7, 4:43 PM CDT	Special Weather Statement	JAN	Jasper	32 min
Aug 7, 5:21 PM CDT	Special Weather Statement	JAN	Morehouse	24 min
Aug 7, 6:05 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse	40 min
Aug 7, 6:40 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse	35 min
Aug 7, 6:01 PM CDT	Special Weather Statement	JAN	Ashley	29 min

Nearby

Special Weather Statements in Mississippi, 2019 Every special weather statement 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.