Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS New Orleans, LA

July 2, 2021Jackson County, Mississippi

NWS New Orleans, LA issued this special weather statement at Jul 2, 2021, 6:10 PM CDT for Jackson County, Mississippi. It was in force for 80 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: Jul 2, 2021, 6:10 PM CDT (23:10 UTC)
Expired: Jul 2, 2021, 7:30 PM CDT
In force: 80 min
Issued by: NWS New Orleans, LA

County Jackson County, MS

The radar

The Mobile radar (KMOB), 59 km from the middle of the area, began a volume at 23:14 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.2 hours before the alert went out and 90 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: 911 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 743 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 New Orleans, LA wrote its last area forecast discussion before this special weather statement went out at Jul 2, 3:32 PM CDT, 2 hours 38 minutes earlier.

Area forecast discussion, Jul 2, 3:32 PM CDT, 2 hours 38 minutes before

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<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.
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In the hours before

Special weather statement, Jul 2, 5:04 PM CDT, 1 hour 6 minutes before

Special Weather Statement
National Weather Service New Orleans LA
504 PM CDT Fri Jul 2 2021

MSZ077-022245-
Pearl River-
504 PM CDT Fri Jul 2 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PEARL RIVER
COUNTY...

At 504 PM CDT, a strong thunderstorm was located 10 miles east of
Poplarville, moving southeast at 20 mph.

Winds in excess of 30 mph are possible with this storm.

This storm will remain over mainly rural areas of northeastern Pearl
River County.
This includes Interstate 59 in Mississippi mile marker 39 and near
mile marker 42.

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

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 3069 8934 3085 8949 3098 8943
      3099 8942 3101 8942 3101 8935
TIME...MOT...LOC 2204Z 300DEG 16KT 3086 8936

CAB

Special weather statement, Jul 2, 6:10 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service New Orleans LA
610 PM CDT Fri Jul 2 2021

MSZ081-082-030030-
Jackson-Harrison-
610 PM CDT Fri Jul 2 2021

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN HARRISON
AND SOUTHERN JACKSON COUNTIES...

At 609 PM CDT, strong thunderstorms were clustered 8 miles east of
Saucier, or 12 miles north of Biloxi, moving southeast at 25 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Gulfport, Biloxi, Ocean Springs, Moss Point, St. Martin, Escatawpa,
Gautier, D'iberville, Latimer, Lyman, Saucier, Gulf Hills, Vancleave,
Gulf Park Estates and Hickory Hills.

This includes the following Interstates...
 Interstate 10 in Mississippi between mile markers 35 and 71.
 Interstate 110 in Mississippi between mile markers 3 and 4.

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

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 3032 8850 3037 8861 3036 8861 3034 8873
      3037 8885 3038 8885 3038 8878 3043 8885
      3042 8901 3040 8886 3039 8886 3038 8904
      3062 8927 3068 8910 3067 8889 3071 8888
      3040 8840 3035 8839
TIME...MOT...LOC 2309Z 307DEG 22KT 3061 8900

CAB

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 2, 6:43 PM CDT	Special Weather Statement	LIX	Saint James	32 min
Jul 2, 6:49 PM CDT	Special Marine Warning	LIX		56 min
Jul 2, 6:56 PM CDT	Special Weather Statement	LIX	Ascension	34 min
Jul 2, 5:04 PM CDT	Special Weather Statement	LIX	Pearl River	41 min

Nearby

Special Weather Statements in Mississippi, 2021 Every special weather statement in 2021

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.