Alert archive / Mississippi / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 322, NWS Jackson, MS

July 16, 2019Issaquena County, Sharkey County, Washington County, Mississippi; East Carroll Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Jul 16, 2019, 3:14 PM CDT for Issaquena County, Sharkey County, Washington County, Mississippi; East Carroll Parish, Louisiana. It was in force for 46 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
Jul 16, 2019, 3:14 PM CDT (20:14 UTC)
Expired
Jul 16, 2019, 4:00 PM CDT
In force
46 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties East Carroll Parish, LA, Issaquena County, MS, Sharkey County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 118 km from the middle of the area, began a volume at 20:16 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, 8.2 hours before the alert went out and 108 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 12:00Z on 2019-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 736 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 12:00Z on 2019-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.1939Sfc1 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
736 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
79 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 Jul 16, 12:27 PM CDT, 2 hours 47 minutes earlier.

Area forecast discussion, Jul 16, 12:27 PM CDT, 2 hours 47 minutes before
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Hazardous weather outlook, Jul 16, 4:58 AM CDT, 10 hours 16 minutes before
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In the hours before

Special weather statement, Jul 16, 9:32 AM CDT, 5 hours 42 minutes before
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Special weather statement, Jul 16, 2:35 PM CDT, 39 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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      <p id="message1">
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Special weather statement, Jul 16, 2:56 PM CDT, 18 minutes before
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      <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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        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 9:32 AM CDTSpecial Weather StatementJANBolivar58 min
Jul 16, 2:35 PM CDTSpecial Weather StatementJANClay, Oktibbeha40 min
Jul 16, 3:37 PM CDTSevere Thunderstorm WarningJANHolmes, Humphreys38 min
Jul 16, 3:59 PM CDTSpecial Weather StatementJANIssaquena31 min
Jul 16, 4:14 PM CDTSpecial Weather StatementJANWarren31 min
Jul 16, 4:21 PM CDTSpecial Weather StatementJANRankin24 min
Jul 16, 4:48 PM CDTSpecial Weather StatementJANRankin42 min
Jul 16, 4:55 PM CDTSpecial Weather StatementJANRankin35 min
Jul 16, 4:57 PM CDTSpecial Weather StatementJANYazoo48 min
Jul 16, 5:03 PM CDTSpecial Weather StatementJANAttala42 min
Jul 16, 5:12 PM CDTSpecial Weather StatementJANNoxubee48 min
Jul 16, 5:39 PM CDTSpecial Weather StatementJANScott36 min
Jul 16, 5:41 PM CDTSpecial Weather StatementJANLeake34 min
Jul 16, 5:46 PM CDTSpecial Weather StatementJANLeake44 min
Jul 16, 6:13 PM CDTSpecial Weather StatementJANNewton47 min
Jul 16, 6:21 PM CDTSpecial Weather StatementJANKemper39 min
Jul 16, 6:23 PM CDTSpecial Weather StatementJANLincoln37 min
Jul 16, 2:56 PM CDTSpecial Weather StatementJANEast Carroll49 min
Jul 16, 3:19 PM CDTSpecial Weather StatementJANConcordia41 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2019Severe Thunderstorm Warnings in Louisiana, 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.