Alert archive / Mississippi / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 223, NWS Jackson, MS

June 11, 2018Issaquena County, Sharkey County, Yazoo County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 11, 2018, 5:38 PM CDT for Issaquena County, Sharkey County, Yazoo County, Mississippi. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 11, 2018, 5:38 PM CDT (22:38 UTC)
Expired: Jun 11, 2018, 6:30 PM CDT
In force: 52 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Issaquena County, MS, Sharkey County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 91 km from the middle of the area, began a volume at 22:39 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, 10.6 hours before the alert went out and 81 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: 1709 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 723 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 78 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 severe thunderstorm 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 severe thunderstorm warning went out at Jun 11, 4:00 PM CDT, 1 hour 38 minutes earlier.

Area forecast discussion, Jun 11, 4:00 PM CDT, 1 hour 38 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, Jun 11, 2:11 PM CDT, 3 hours 27 minutes before

Hazardous Weather Outlook
National Weather Service Jackson MS
211 PM CDT Mon Jun 11 2018

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
121915-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar-
Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-
Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala-Winston-
Noxubee-Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper-
Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah-
Simpson-Smith-Jasper-Clarke-Jefferson-Adams-Franklin MS-Lincoln-
Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
211 PM CDT Mon Jun 11 2018

This hazardous weather outlook is for portions of southeast
Arkansas, northeast Louisiana, central Mississippi, north central
Mississippi, and south central Mississippi.

.DAY ONE...Tonight and Tuesday

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday night through Sunday

The probability for widespread hazardous weather is low.

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations is not expected through next Sunday.

21

&&

...HAZARD LEGEND...

No short term hazards expected.

...USEFUL WEATHER WEB PAGES (URLS)...

NWS JAN Home page...
   https://www.weather.gov/jan
Stay Aware, Stay Safe NWS JAN Briefing Page...
   https://www.weather.gov/jan/safe
Latest Weather Briefing...
   https://www.weather.gov/jan/weather_briefing

Tropical page...
   https://www.weather.gov/jan/srh/tropical?office=jan
National Hurricane Center Home Page...
   https://www.nhc.noaa.gov/
Find NWS JAN on Facebook...
   https://www.facebook.com/NWSJacksonMS
Follow NWS JAN on Twitter...
   @NWSJacksonMS
Follow NWS JAN on Youtube...
   https://www.youtube.com/user/NWSJacksonMiss

In the hours before

Special weather statement, Jun 11, 12:58 PM CDT, 4 hours 40 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>

Special weather statement, Jun 11, 1:29 PM CDT, 4 hours 9 minutes before

Special Weather Statement
National Weather Service Jackson MS
129 PM CDT MON JUN 11 2018

MSZ049-050-056-111915-
Smith MS-Scott MS-Rankin MS-
129 PM CDT MON JUN 11 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN RANKIN...
NORTHWESTERN SMITH AND SOUTHWESTERN SCOTT COUNTIES UNTIL 215 PM
CDT...

At 128 PM CDT, Meteorologists were tracking a strong thunderstorm
over Johns, or 12 miles southeast of Brandon, moving east at 20 mph.

Winds in excess of 40 mph will be possible with this storm.

This strong thunderstorm will be near...
  White Oak around 155 PM CDT.

Other locations impacted by this storm include Polkville and Puckett.

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 3202 8966 3205 8966 3205 8994 3226 8991
      3232 8961 3201 8955
TIME...MOT...LOC 1828Z 271DEG 18KT 3216 8984

DB

Special weather statement, Jun 11, 4:15 PM CDT, 1 hour 23 minutes before

Special Weather Statement
National Weather Service Jackson MS
415 PM CDT MON JUN 11 2018

MSZ074-112145-
Forrest MS-
415 PM CDT MON JUN 11 2018

...A STRONG THUNDERSTORM WILL AFFECT EASTERN FORREST COUNTY UNTIL 445
PM CDT...

At 414 PM CDT, Meteorologists were tracking a strong thunderstorm
near Sunrise, or near Hattiesburg, moving southeast at 15 mph.

Winds in excess of 40 mph will be possible with this storm.

This strong thunderstorm will be near...
  Mclaurin around 435 PM CDT.
  Brooklyn around 445 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.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3100 8934 3100 8935 3129 8935 3136 8918
      3132 8914 3105 8915 3098 8934
TIME...MOT...LOC 2114Z 333DEG 15KT 3126 8924

BYB

Special weather statement, Jun 11, 5:11 PM CDT, 27 minutes before

Special Weather Statement
National Weather Service Jackson MS
511 PM CDT MON JUN 11 2018

MSZ064-112300-
Jefferson Davis MS-
511 PM CDT MON JUN 11 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN JEFFERSON DAVIS
COUNTY UNTIL 600 PM CDT...

At 510 PM CDT, Meteorologists were tracking a strong thunderstorm
over Society Hill, or 12 miles northwest of Columbia, moving
northeast at 10 mph.

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

This strong thunderstorm will be near...
  Progress around 540 PM CDT.
  Prentiss and Carson around 600 PM CDT.

Other locations impacted by this storm include Bassfield.

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 3141 8996 3152 8996 3152 8997 3167 8990
      3150 8968 3143 8978 3144 8982 3140 8982
      3139 8984 3139 8994
TIME...MOT...LOC 2210Z 218DEG 9KT 3143 8992

DB

Special weather statement, Jun 11, 5:14 PM CDT, 24 minutes before

Special Weather Statement
National Weather Service Jackson MS
514 PM CDT MON JUN 11 2018

LAZ009-MSZ040-041-047-112315-
East Carroll LA-Sharkey MS-Warren MS-Issaquena MS-
514 PM CDT MON JUN 11 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN EAST CARROLL
PARISH...NORTH CENTRAL WARREN...ISSAQUENA AND SOUTHWESTERN SHARKEY
COUNTIES UNTIL 615 PM CDT...

At 514 PM CDT, Meteorologists were tracking a strong thunderstorm
near Fitler, or 9 miles west of Valley Park, moving northeast at 15
mph.

Winds in excess of 40 mph will be possible with this storm.

This strong thunderstorm will be near...
  Fitler around 530 PM CDT.
  Valley Park and Onward around 545 PM CDT.

Other locations impacted by this storm include Mayersville and Cary.

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 3298 9096 3267 9072 3265 9073 3264 9071
      3264 9070 3263 9069 3262 9072 3262 9069
      3259 9069 3259 9068 3240 9092 3249 9099
      3250 9099 3251 9101 3280 9123
TIME...MOT...LOC 2214Z 230DEG 14KT 3263 9103

DB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 9:26 AM CDT	Special Weather Statement	JAN	Humphreys	34 min
Jun 11, 10:35 AM CDT	Flash Flood Warning	JAN	Holmes, Humphreys	2 hr
Jun 11, 11:12 AM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison	48 min
Jun 11, 11:32 AM CDT	Special Weather Statement	JAN	Jones	13 min
Jun 11, 11:37 AM CDT	Special Weather Statement	JAN	Scott	38 min
Jun 11, 12:58 PM CDT	Special Weather Statement	JAN	Jasper	47 min
Jun 11, 1:29 PM CDT	Special Weather Statement	JAN	Rankin	46 min
Jun 11, 4:15 PM CDT	Special Weather Statement	JAN	Forrest	30 min
Jun 11, 5:11 PM CDT	Special Weather Statement	JAN	Jefferson Davis	49 min
Jun 11, 5:14 PM CDT	Special Weather Statement	JAN	Issaquena	61 min
Jun 11, 6:31 PM CDT	Special Weather Statement	JAN	Hinds	44 min
Jun 11, 6:54 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison	51 min
Jun 11, 5:48 PM CDT	Special Weather Statement	JAN	Madison	27 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2018 Every severe thunderstorm warning in 2018

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.