Alert archive / Mississippi / Special Weather Statements in 2023

Special Weather Statement, NWS Jackson, MS

August 3, 2023Clay County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 3, 2023, 3:39 PM CDT for Clay 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 outline as issued.

The facts

Issued
Aug 3, 2023, 3:39 PM CDT (20:39 UTC)
Expired
Aug 3, 2023, 4:30 PM CDT
In force
51 min
Issued by
NWS Jackson, MS
Hail
0.75 in
Wind
40

County Clay County, MS

The radar

The Columbus AFB radar (KGWX), 45 km from the middle of the area, began a volume at 20:42 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 (KLZK), launched 12:00Z, 8.7 hours before the alert went out and 177 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, Little Rock, AR at 12:00Z on 2023-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2036 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, Little Rock, AR at 12:00Z on 2023-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 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
2036 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1562 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
182 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 Jackson, MS wrote its last area forecast discussion before this special weather statement went out at Aug 3, 12:41 PM CDT, 2 hours 58 minutes earlier.

Area forecast discussion, Aug 3, 12:41 PM CDT, 2 hours 58 minutes before
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</head>
<body>
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    <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>
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        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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Hazardous weather outlook, Aug 3, 3:18 PM CDT, 21 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
318 PM CDT Thu Aug 3 2023

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-034-035-040>043-
047>049-053>055-059>065-072>074-042030-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar-
Sunflower-Washington-Humphreys-Issaquena-Sharkey-Yazoo-Madison MS-
Warren-Hinds-Rankin-Claiborne-Copiah-Simpson-Jefferson-Adams-
Franklin MS-Lincoln-Lawrence-Jefferson Davis-Covington-Marion-
Lamar-Forrest-
318 PM CDT Thu Aug 3 2023

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

.DAY ONE...Tonight and Friday

DANGEROUS HEAT
THREAT...Extreme
TIMING...Friday

Friday, extreme heat stress will continue with peak heat index
values as high as 110 to 120 degrees. Heat stroke and heat
exhaustion will be likely with prolonged outdoor activity.

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

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

Dangerous heat stress will continue with peak heat index values
as high as 110 to 120 degrees Saturday and Sunday. Heat stroke
and heat exhaustion will be possible with prolonged outdoor
activity.

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

.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 Wednesday.

MSZ028>033-037>039-044>046-050>052-057-058-066-042030-
Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-Attala-Winston-
Noxubee-Leake-Neshoba-Kemper-Scott-Newton-Lauderdale-Jasper-
Clarke-Jones-
318 PM CDT Thu Aug 3 2023

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

.DAY ONE...Tonight and Friday

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Friday

DANGEROUS HEAT
THREAT...Significant
TIMING...Friday

Friday, isolated severe thunderstorms are possible mainly during
the afternoon. Some thunderstorms could produce damaging wind
gusts.

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

Friday, extreme heat stress will continue with peak heat index
values around 110 degrees. Heat stroke and heat exhaustion will
be likely with prolonged outdoor activity.

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

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

Dangerous heat stress will continue with peak heat index values
as high as 110 to 120 degrees Saturday and Sunday. Heat stroke
and heat exhaustion will be likely with prolonged outdoor
activity.

(https://www.weather.gov/images/jan/graphicast/1.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 Friday
through Friday night.

MSZ025>027-036-042030-
Leflore-Grenada-Carroll-Holmes-
318 PM CDT Thu Aug 3 2023

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

.DAY ONE...Tonight and Friday

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Friday

DANGEROUS HEAT
THREAT...Extreme
TIMING...Friday

Friday, isolated severe thunderstorms are possible mainly during
the afternoon. Some thunderstorms could produce damaging wind
gusts.

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

Friday, extreme heat stress will continue with peak heat index
values as high as 110 to 120 degrees. Heat stroke and heat
exhaustion will be likely with prolonged outdoor activity.

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

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

Dangerous heat stress will continue with peak heat index values
as high as 110 to 120 degrees Saturday and Sunday. Heat stroke
and heat exhaustion will be likely with prolonged outdoor
activity.

(https://www.weather.gov/images/jan/graphicast/1.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 Friday
through Friday night.

MSZ056-042030-
Smith-
318 PM CDT Thu Aug 3 2023

This hazardous weather outlook is for portions of central
Mississippi.

.DAY ONE...Tonight and Friday

DANGEROUS HEAT
THREAT...Significant
TIMING...Friday

Friday, dangerous heat expected with peak heat values in excess
of 110 degrees. Heat stroke will be a significant concern with
outdoor activity.

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

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

Dangerous heat stress will continue with peak heat index values
as high as 110 to 120 degrees Saturday and Sunday. Heat stroke
and heat exhaustion will be likely with prolonged outdoor
activity.

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

.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 Wednesday.

0

&&

...HAZARD LEGEND...

*DANGEROUS HEAT*
Extreme...Extreme heat is expected with peak heat index values
 in excess of 110 degrees for multiple days. Heat stroke continues
 to be a major concern.
Significant...Dangerous heat expected with peak heat index values
 in excess of 110 degrees. Heat stroke will be a significant
 concern.
Elevated...Dangerous heat likely with peak heat index values
 ranging from 106 to 110 degrees. Heat exhaustion will be likely.
Limited...Caution is advised for possible dangerous heat as
 heat index values peak near 105 degrees. Heat exhaustion will
 be possible.

*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.

...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/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

...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, Aug 3, 3:39 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Jackson MS
339 PM CDT Thu Aug 3 2023

MSZ030-031-033-032130-
Lowndes MS-Oktibbeha MS-Clay MS-
339 PM CDT Thu Aug 3 2023

...A strong thunderstorm will impact portions of northeastern
Oktibbeha, Clay and northwestern Lowndes Counties through 430 PM
CDT...

At 339 PM CDT, Doppler radar was tracking a strong thunderstorm over
Pala Alto, or 11 miles northwest of West Point, moving southeast at
15 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This strong thunderstorm will be near...
  Griffith around 345 PM CDT.
  Pala Alto around 350 PM CDT.
  West Point around 410 PM CDT.
  Muldrow around 420 PM CDT.
  Tibbee around 430 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3341 8865 3367 8896 3381 8882 3376 8872
      3368 8872 3368 8855 3363 8845
TIME...MOT...LOC 2039Z 307DEG 15KT 3370 8882

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

CR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 3:55 PM CDTSpecial Weather StatementJANLowndes50 min
Aug 3, 4:07 PM CDTSevere Thunderstorm WarningJANLowndes53 min
Aug 3, 4:41 PM CDTSevere Thunderstorm WarningJANLowndes, Oktibbeha49 min
Aug 3, 5:07 PM CDTSevere Thunderstorm WarningJANNoxubee53 min
Aug 3, 6:18 PM CDTSpecial Weather StatementJANAttala42 min

Nearby

Special Weather Statements in Mississippi, 2023Every special weather statement in 2023

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.