Alert archive / Mississippi / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 110, NWS Jackson, MS

April 7, 20195 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 7, 2019, 8:02 PM CDT for 5 counties in Mississippi. It was in force for 58 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, 8:02 PM CDT (01:02 UTC)
Expired
Apr 7, 2019, 9:00 PM CDT
In force
58 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Claiborne County, MS, Copiah County, MS, Hinds County, MS, Jefferson County, MS, Lincoln County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 78 km from the middle of the area, began a volume at 01:05 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 7, 3:41 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 7, 7:46 PM CDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.0 hours before the alert went out and 74 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-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 2019-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 817 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2019-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
817 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1355 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.1

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, 7:40 PM CDT, 22 minutes earlier.

Area forecast discussion, Apr 7, 7:40 PM CDT, 22 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 7, 4:34 PM CDT, 3 hours 28 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
434 PM CDT Sun Apr 7 2019

ARZ074-075-MSZ018-019-025-034-035-082145-
Ashley-Chicot-Bolivar-Sunflower-Leflore-Washington-Humphreys-
434 PM CDT Sun Apr 7 2019

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

.DAY ONE...Tonight and Monday

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...The rest of this afternoon through tonight

FLOODING
THREAT...Elevated
TIMING...The rest of this afternoon through tonight

The rest of this afternoon through tonight, severe thunderstorms
are possible and some thunderstorms could produce damaging winds
to 60 mph and hail at least to the size of quarters. A tornado
cannot be ruled out.

Isolated severe thunderstorms will still be possible during the
day Monday, with the main risks being winds up to the 60 mph and
hail up to the size of quarters.

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

The rest of this afternoon through tonight, areas of flash
flooding likely and some roads could be flooded or closed due to
locally heavy rain amounts up to 5 inches. Some structures may be
potentially threatened by high water. Minor river flooding is
also possible. Some isolated flooding issues may persist into
Monday, although the heavy rain potential will be primarily
focused through tonight.

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

.DAYS TWO THROUGH SEVEN...Monday night through Saturday

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 may be needed for portions of the region remainder
of the afternoon through Monday.

MSZ026>033-036>038-042>044-048-053-054-059-061-082145-
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Holmes-Attala-Winston-Yazoo-Madison MS-Leake-Hinds-Claiborne-
Copiah-Jefferson-Franklin MS-
434 PM CDT Sun Apr 7 2019

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

.DAY ONE...Tonight and Monday

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...The rest of this afternoon through tonight

FLOODING
THREAT...Limited
TIMING...This afternoon through Monday

The rest of this afternoon through tonight, severe thunderstorms
are possible and some thunderstorms could produce damaging winds
to 60 mph and hail at least to the size of quarters. A tornado
cannot be ruled out.

Isolated severe thunderstorms will still be possible during the
day Monday, with the main risks being winds up to the 60 mph and
hail up to the size of quarters.

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

This afternoon through monday, localized flash flooding is
possible, particularly in low lying and urban areas. Minor river
flooding is also possible. Some isolated flooding issues may persist
into Monday, although the heavy rain potential will be primarily
focused through tonight.

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

.DAYS TWO THROUGH SEVEN...Monday night through Saturday

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 may be needed for portions of the region remainder
of the afternoon through Monday.

LAZ007>009-015-016-023>025-MSZ040-041-047-082145-
Morehouse-West Carroll-East Carroll-Richland-Madison LA-
Franklin LA-Catahoula-Tensas-Issaquena-Sharkey-Warren-
434 PM CDT Sun Apr 7 2019

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

.DAY ONE...Tonight and Monday

SEVERE THUNDERSTORMS
THREAT...Enhanced
TIMING...The rest of this afternoon through tonight

FLOODING
THREAT...Elevated
TIMING...The rest of this afternoon through tonight

The rest of this afternoon through tonight, severe thunderstorms
are likely and some thunderstorms may produce damaging winds up
to 70 mph and large hail up to golf ball size. One or two
tornadoes are possible, as well.

Isolated severe thunderstorms will still be possible during the
day Monday, with the main risks being winds up to the 60 mph and
hail up to the size of quarters.

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

The rest of this afternoon through tonight, areas of flash
flooding likely and some roads could be flooded or closed due to
locally heavy rain amounts up to 5 inches. Some structures may be
potentially threatened by high water. Minor river flooding is
also possible. Some isolated flooding issues may persist
into Monday, although the heavy rain potential will be primarily
focused through tonight.

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

.DAYS TWO THROUGH SEVEN...Monday night through Saturday

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 may be needed for portions of the region remainder
of the afternoon through Monday.

MSZ039-045-046-049>052-055>058-063>066-072>074-082145-
Noxubee-Neshoba-Kemper-Rankin-Scott-Newton-Lauderdale-Simpson-
Smith-Jasper-Clarke-Lawrence-Jefferson Davis-Covington-Jones-
Marion-Lamar-Forrest-
434 PM CDT Sun Apr 7 2019

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

.DAY ONE...Tonight and Monday

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

Mainly tonight, severe thunderstorms are possible and some
thunderstorms could produce damaging winds to 60 mph and hail at
least to the size of quarters. A tornado cannot be ruled out.

Isolated severe thunderstorms will still be possible during the
day Monday, with the main risks being winds up to the 60 mph and
hail up to the size of quarters.

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

.DAYS TWO THROUGH SEVEN...Monday night through Saturday

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 may be needed for portions of the region remainder
of the afternoon through Monday.

LAZ026-MSZ060-082145-
Concordia-Adams-
434 PM CDT Sun Apr 7 2019

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

.DAY ONE...Tonight and Monday

SEVERE THUNDERSTORMS
THREAT...Enhanced
TIMING...The rest of this afternoon through tonight

FLOODING
THREAT...Limited
TIMING...This afternoon through Monday

The rest of this afternoon through tonight, severe thunderstorms
are likely and some thunderstorms may produce damaging winds up
to 70 mph and large hail up to golf ball size. One or two
tornadoes are possible, as well.

Isolated severe thunderstorms will still be possible during the
day Monday, with the main risks being winds up to the 60 mph and
hail up to the size of quarters.

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

This afternoon through monday, localized flash flooding is
possible, particularly in low lying and urban areas. Minor river
flooding is also possible. Some isolated flooding issues may persist
into Monday, although the heavy rain potential will be primarily
focused through tonight.

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

.DAYS TWO THROUGH SEVEN...Monday night through Saturday

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 may be needed for portions of the region remainder
of the afternoon through Monday.

MSZ062-082145-
Lincoln-
434 PM CDT Sun Apr 7 2019

This hazardous weather outlook is for portions of south central
Mississippi.

.DAY ONE...Tonight and Monday

FLOODING
THREAT...Limited
TIMING...This afternoon through Monday

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

This afternoon through monday, localized flash flooding is
possible, particularly in low lying and urban areas. Minor river
flooding is also possible. Some isolated flooding issues may persist
into Monday, although the heavy rain potential will be primarily
focused through tonight.

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

Mainly tonight, severe thunderstorms are possible and some
thunderstorms could produce damaging winds to 60 mph and hail at
least to the size of quarters. A tornado cannot be ruled out.

Isolated severe thunderstorms will still be possible during the
day Monday, with the main risks being winds up to the 60 mph and
hail up to the size of quarters.

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

.DAYS TWO THROUGH SEVEN...Monday night through Saturday

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 may be needed for portions of the region remainder
of the afternoon through Monday.

50

&&

...HAZARD LEGEND...

*SEVERE THUNDERSTORMS*
High...Significant severe thunderstorms and tornadoes are
 likely with strong or violent tornadoes possible.
Moderate...Significant severe thunderstorms and tornadoes are
 likely with strong tornadoes possible.
Enhanced...Severe thunderstorms are likely and tornadoes are
 possible.
Slight...Severe thunderstorms and tornadoes are possible.
Marginal...Isolated severe thunderstorms are possible.

*FLOODING*
Extreme...Widespread and significant flooding is likely.
Significant...Widespread flash flooding is likely
 and significant flooding is possible.
Elevated...Areas of flash flooding likely.
Limited...Localized flash flooding is 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/
...ADDITIONAL URLS FOR FLOODING ISSUES...

Current Watches and Warnings...
   https://www.weather.gov/jan/safe_HeavyRain

Observed Precipitation Images...
   https://www.weather.gov/jan/precipmaps

River Forecast Center...
   https://www.weather.gov/lmrfc/
Significant River Flood Outlook...
   https://www.wpc.ncep.noaa.gov/nationalfloodoutlook/index.html
Day 1 through 3 Excessive Rainfall...
   https://www.wpc.ncep.noaa.gov/qpf/excess_rain.shtml
Excessive Rainfall Discussion...
   https://www.wpc.ncep.noaa.gov/discussions/qpferd.html
Day 1 through 7 QPF...
   https://www.wpc.ncep.noaa.gov/qpf/qpf2.shtml
QPF Discussion...
   https://www.wpc.ncep.noaa.gov/discussions/qpfpfd.html

In the hours before

Special weather statement, Apr 7, 6:58 PM CDT, 1 hour 4 minutes before
Special Weather Statement
National Weather Service Jackson MS
658 PM CDT SUN APR 7 2019

MSZ035-036-042-080030-
Humphreys MS-Yazoo MS-Holmes MS-
658 PM CDT SUN APR 7 2019

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL HOLMES...NORTH
CENTRAL YAZOO AND SOUTHEASTERN HUMPHREYS COUNTIES UNTIL 730 PM CDT...

At 658 PM CDT, Meteorologists were tracking a strong thunderstorm
near Thornton, moving northwest at 25 mph.

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

This storm will remain over mainly rural areas of west central
Holmes...north central Yazoo and southeastern Humphreys Counties,
including the following locations... Eden and Silver City.

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.

&&

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central Mississippi.

LAT...LON 3299 9029 3293 9042 3313 9055 3319 9039
TIME...MOT...LOC 2358Z 155DEG 24KT 3300 9038

TW
Special weather statement, Apr 7, 7:12 PM CDT, 50 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, 7:26 PM CDT, 36 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, 7:32 PM CDT, 30 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, 7:46 PM CDT, 16 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>
Local storm report, Apr 7, 8:00 PM CDT, 2 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.

IssuedProductOfficeCountiesLasted
Apr 7, 7:08 PM CDTTornado WarningJANFranklin20 min
Apr 7, 7:12 PM CDTSpecial Weather StatementJANAttala33 min
Apr 7, 7:25 PM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson, Warren50 min
Apr 7, 7:26 PM CDTSpecial Weather StatementJANCarroll34 min
Apr 7, 7:32 PM CDTSpecial Weather StatementJANClay, Oktibbeha28 min
Apr 7, 7:35 PM CDTSevere Thunderstorm WarningJANAttala, Carroll, Holmes40 min
Apr 7, 7:41 PM CDTSevere Thunderstorm WarningJANFranklin64 min
Apr 7, 7:46 PM CDTSpecial Weather StatementJANHolmes29 min
Apr 7, 8:05 PM CDTSevere Thunderstorm WarningJANIssaquena, Warren55 min
Apr 7, 9:07 PM CDTSpecial Weather StatementJANCopiah, Hinds23 min
Apr 7, 9:08 PM CDTSpecial Weather StatementJANLincoln52 min
Apr 7, 9:52 PM CDTSpecial Weather StatementJANJefferson Davis, Marion38 min
Apr 8, 11:01 AM CDTRiver Flood WarningJANNoxubee10 hr
Apr 8, 6:15 PM CDTSpecial Weather StatementJANMontgomery30 min
Apr 8, 6:34 PM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Montgomery, Webster25 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2019Every 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.