Alert archive / Mississippi / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 95, NWS Jackson, MS

April 7, 2019Bolivar County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 7, 2019, 6:09 AM CDT for Bolivar County, Mississippi. It was in force for 51 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: Apr 7, 2019, 6:09 AM CDT (11:09 UTC)
Expired: Apr 7, 2019, 7:00 AM CDT
In force: 51 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Bolivar County, MS

The radar

The Little Rock radar (KLZK), 172 km from the middle of the area, began a volume at 11:09 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 00:00Z, 11.2 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: 23 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1023 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 197 m²/s²
0-3 km storm-relative helicity: 295 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Apr 7, 4:25 AM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, Apr 7, 4:25 AM CDT, 1 hour 44 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, Apr 6, 4:54 PM CDT, 13 hours 15 minutes before

Hazardous Weather Outlook
National Weather Service Jackson MS
454 PM CDT Sat Apr 6 2019

ARZ074-075-LAZ007>009-015-MSZ018-019-025-034-035-040-041-072200-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Bolivar-Sunflower-Leflore-Washington-Humphreys-Issaquena-Sharkey-
454 PM CDT Sat Apr 6 2019

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

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Enhanced
TIMING...Tonight

Severe storms are expected to affect the outlook area through the
evening. Damaging wind gusts to 70 mph and hail to golf ball size
will be the primary concerns, with some potential for a couple of
tornadoes.

(https://www.weather.gov/images/jan/graphicast/1.png)

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

Additional storms with heavy rainfall will be likely late Sunday
through Sunday night. A few severe storms and localized flash
flooding will be possible. The primary severe weather concerns
will be damaging wind gusts to 60 mph, hail to quarter size, and
possibly a few tornadoes.

(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region tonight
and Sunday night.

LAZ016-023-025-MSZ026>033-036>039-042>050-053-072200-
Madison LA-Franklin LA-Tensas-Grenada-Carroll-Montgomery-Webster-
Clay-Lowndes-Choctaw-Oktibbeha-Holmes-Attala-Winston-Noxubee-
Yazoo-Madison MS-Leake-Neshoba-Kemper-Warren-Hinds-Rankin-Scott-
Claiborne-
454 PM CDT Sat Apr 6 2019

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

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Tonight

The threat for severe storms will continue through the evening.
Damaging wind gusts and hail will be the primary concerns, with
some potential for a couple of tornadoes.

(https://www.weather.gov/images/jan/graphicast/1.png)

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

Additional storms with heavy rainfall will be likely late Sunday
afternoon through Sunday night. A few severe storms and localized
flash flooding will be possible. The primary severe weather
concerns will be damaging wind gusts to 60 mph, hail to quarter
size, and possibly a few tornadoes.

(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region tonight
and Sunday night.

LAZ024-026-MSZ051-052-054>066-072>074-072200-
Catahoula-Concordia-Newton-Lauderdale-Copiah-Simpson-Smith-Jasper-
Clarke-Jefferson-Adams-Franklin MS-Lincoln-Lawrence-
Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
454 PM CDT Sat Apr 6 2019

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

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Tonight

A few severe storms will be possible this evening. The primary
concerns will be for wind gusts up to 60 mph and hail up to
quarter size.

(https://www.weather.gov/images/jan/graphicast/1.png)

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

Storms with heavy rainfall will be possible Sunday night. A few
severe storms and localized flash flooding will be possible. The
primary severe weather concerns will be damaging wind gusts to 60
mph, hail to quarter size, and possibly a few tornadoes.

(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region tonight
and Sunday night.

21

&&

...HAZARD LEGEND...

*SEVERE THUNDERSTORMS*
High...Significant severe thunderstorms are expected.
Moderate...Severe storms expected with significant
 severe weather possible.
Enhanced...Severe storms expected.
Slight...Severe storms possible.
Marginal...Isolated severe storms possible.

...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

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

...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES...

Storm Prediction Center (SPC)...
   https://www.spc.noaa.gov/
Meso Analysis...
   https://www.spc.noaa.gov/exper/mesoanalysis/
Day 1 through 3 Outlooks...
   https://www.spc.noaa.gov/products/outlook/
Storm Reports...
   https://www.spc.noaa.gov/climo/online/

In the hours before

Special weather statement, Apr 7, 12:18 AM CDT, 5 hours 51 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, Apr 7, 1:02 AM CDT, 5 hours 7 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, Apr 7, 5:18 AM CDT, 51 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, Apr 7, 5:30 AM CDT, 39 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:15 PM CDT	River Flood Warning	JAN	Clay	5 days
Apr 6, 8:30 PM CDT	Special Weather Statement	JAN	Choctaw	30 min
Apr 6, 8:45 PM CDT	Special Weather Statement	JAN	Washington	30 min
Apr 6, 9:15 PM CDT	Special Weather Statement	JAN	Humphreys, Leflore, Sunflower	30 min
Apr 6, 9:29 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Humphreys, Leflore, Sunflower	27 min
Apr 6, 9:44 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Carroll, Holmes, Montgomery	46 min
Apr 6, 10:30 PM CDT	Special Weather Statement	JAN	Attala, Choctaw, Montgomery, Webster	30 min
Apr 7, 5:45 AM CDT	Severe Thunderstorm Warning	JAN	Washington	45 min
Apr 7, 6:33 AM CDT	Special Weather Statement	JAN	Sunflower	27 min
Apr 7, 6:48 AM CDT	Special Weather Statement	JAN	Sunflower	27 min
Apr 7, 7:10 AM CDT	Special Weather Statement	JAN	Leflore	35 min
Apr 7, 8:26 AM CDT	Special Weather Statement	JAN	Bolivar	34 min
Apr 7, 9:10 AM CDT	River Flood Warning	JAN	Neshoba	16 days
Apr 7, 9:10 AM CDT	Special Weather Statement	JAN	Bolivar	35 min
Apr 7, 9:11 AM CDT	River Flood Warning	JAN	Madison, Yazoo	24 days
Apr 7, 9:21 AM CDT	Special Weather Statement	JAN	Bolivar	24 min
Apr 7, 10:01 AM CDT	Special Weather Statement	JAN	Bolivar	44 min
Apr 7, 10:15 AM CDT	River Flood Warning	JAN	Leflore	25 hr
Apr 7, 10:15 AM CDT	River Flood Warning	JAN	Humphreys	71 hr
Apr 7, 10:18 AM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower, Washington	42 min
Apr 7, 10:50 AM CDT	Special Weather Statement	JAN	Leflore	40 min
Apr 7, 11:25 AM CDT	Special Weather Statement	JAN	Grenada	50 min
Apr 7, 12:06 PM CDT	Special Weather Statement	JAN	Montgomery	39 min
Apr 7, 12:54 PM CDT	Special Weather Statement	JAN	Holmes	51 min
Apr 7, 12:59 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	25 min
Apr 7, 1:00 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	34 min
Apr 7, 1:04 PM CDT	Special Weather Statement	JAN	Choctaw	41 min
Apr 7, 2:57 PM CDT	Flash Flood Watch	JAN	Bolivar, Carroll, Grenada, Holmes, Humphreys, Issaquena and 7 more	26 hr
Apr 7, 3:13 PM CDT	Special Weather Statement	JAN	Lowndes	32 min
Apr 7, 3:25 PM CDT	Special Weather Statement	JAN	Yazoo	35 min
Apr 7, 3:56 PM CDT	Special Weather Statement	JAN	Madison	34 min
Apr 7, 3:59 PM CDT	Special Weather Statement	JAN	Yazoo	46 min
Apr 7, 4:07 PM CDT	Severe Thunderstorm Warning	JAN	Madison	26 min
Apr 7, 4:40 PM CDT	Special Weather Statement	JAN	Noxubee	35 min
Apr 7, 4:44 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison	46 min
Apr 7, 5:35 PM CDT	Special Weather Statement	JAN	Attala	25 min
Apr 7, 5:46 PM CDT	Special Weather Statement	JAN	Sharkey	44 min
Apr 7, 5:53 PM CDT	Special Weather Statement	JAN	Winston	52 min
Apr 7, 5:57 PM CDT	Special Weather Statement	JAN	Attala	48 min
Apr 7, 6:08 PM CDT	Special Weather Statement	JAN	Yazoo	52 min
Apr 7, 6:18 PM CDT	Severe Thunderstorm Warning	JAN	Adams	57 min
Apr 7, 6:24 PM CDT	Special Weather Statement	JAN	Humphreys	51 min
Apr 7, 6:28 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	30 min
Apr 7, 6:35 PM CDT	Special Weather Statement	JAN	Winston	40 min
Apr 7, 6:38 PM CDT	Special Weather Statement	JAN	Choctaw	52 min
Apr 7, 6:50 PM CDT	Special Weather Statement	JAN	Holmes	40 min
Apr 7, 6:54 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	36 min
Apr 7, 6:58 PM CDT	Special Weather Statement	JAN	Humphreys	32 min
Apr 6, 7:29 PM CDT	Special Weather Statement	JAN	Morehouse	31 min
Apr 6, 7:55 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Morehouse, West Carroll	50 min
Apr 6, 11:51 PM CDT	Special Weather Statement	JAN	Richland	24 min
Apr 7, 12:18 AM CDT	Special Weather Statement	JAN	Richland	27 min
Apr 7, 1:02 AM CDT	Special Weather Statement	JAN	Madison, Richland	43 min
Apr 7, 1:28 AM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Madison, Richland	47 min
Apr 7, 12:24 PM CDT	Special Weather Statement	JAN	Richland	51 min
Apr 7, 12:48 PM CDT	Special Weather Statement	JAN	East Carroll	42 min
Apr 7, 1:28 PM CDT	Special Weather Statement	JAN	East Carroll	47 min
Apr 7, 1:29 PM CDT	Special Weather Statement	JAN	Morehouse	46 min
Apr 7, 1:57 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse, West Carroll	25 min
Apr 7, 4:13 PM CDT	Special Weather Statement	JAN	Morehouse	17 min
Apr 7, 5:31 PM CDT	Special Weather Statement	JAN	Catahoula	29 min
Apr 7, 5:48 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Franklin	57 min
Apr 7, 6:09 PM CDT	Severe Thunderstorm Warning	JAN	Franklin, Richland	48 min
Apr 7, 5:18 AM CDT	Special Weather Statement	JAN	Ashley	27 min
Apr 7, 5:30 AM CDT	Special Weather Statement	JAN	Chicot	30 min
Apr 7, 8:04 AM CDT	Special Weather Statement	JAN	Ashley	26 min
Apr 7, 8:43 AM CDT	Special Weather Statement	JAN	Chicot	17 min
Apr 7, 9:26 AM CDT	Special Weather Statement	JAN	Chicot	49 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2019 Every severe thunderstorm warning 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.