Alert archive / Arkansas / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

June 7, 2021Ashley County, Arkansas

NWS Jackson, MS issued this special weather statement at Jun 7, 2021, 11:50 AM CDT for Ashley County, Arkansas. It was in force for 25 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
Jun 7, 2021, 11:50 AM CDT (16:50 UTC)
Expired
Jun 7, 2021, 12:15 PM CDT
In force
25 min
Issued by
NWS Jackson, MS

County Ashley County, AR

The radar

The Little Rock radar (KLZK), 178 km from the middle of the area, began a volume at 16:49 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

Shreveport, LA (KSHV), launched 12:00Z, 4.8 hours before the alert went out and 181 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, Shreveport, LA at 12:00Z on 2021-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2401 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, Shreveport, LA at 12:00Z on 2021-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
2401 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.1

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 Jun 7, 11:34 AM CDT, 16 minutes earlier.

Area forecast discussion, Jun 7, 11:34 AM CDT, 16 minutes before
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Hazardous weather outlook, Jun 7, 2:48 AM CDT, 9 hours 2 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
248 AM CDT Mon Jun 7 2021

ARZ074-075-LAZ007>009-015-023-080800-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Franklin LA-
248 AM CDT Mon Jun 7 2021

This hazardous weather outlook is for portions of southeast
Arkansas, and northeast Louisiana.

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Today

Isolated severe storms capable of damaging wind gusts are possible
this afternoon into early evening.

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

.DAYS TWO THROUGH SEVEN...Monday 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 today.

LAZ016-024>026-MSZ018-019-025>066-072>074-080800-
Madison LA-Catahoula-Tensas-Concordia-Bolivar-Sunflower-Leflore-
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Washington-Humphreys-Holmes-Attala-Winston-Noxubee-Issaquena-
Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper-Warren-Hinds-Rankin-
Scott-Newton-Lauderdale-Claiborne-Copiah-Simpson-Smith-Jasper-
Clarke-Jefferson-Adams-Franklin MS-Lincoln-Lawrence-
Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
248 AM CDT Mon Jun 7 2021

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

.DAY ONE...Today and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Monday 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 is not expected through next Saturday.

20

&&

...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

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

Local storm report, Jun 7, 10:32 AM CDT, 1 hour 18 minutes before
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Local storm report, Jun 7, 11:26 AM CDT, 24 minutes before
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Local storm report, Jun 7, 11:28 AM CDT, 22 minutes before
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Local storm report, Jun 7, 11:41 AM CDT, 9 minutes before
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Local storm report, Jun 7, 11:43 AM CDT, 7 minutes before
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Special weather statement, Jun 7, 11:50 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 11:26 AM CDTRiver Flood WarningJANJones4 days
Jun 7, 12:38 PM CDTSpecial Weather StatementJANGrenada37 min
Jun 7, 12:57 PM CDTSpecial Weather StatementJANLeflore33 min
Jun 7, 1:29 PM CDTSpecial Weather StatementJANLeflore46 min
Jun 7, 2:15 PM CDTSpecial Weather StatementJANClaiborne, Jefferson30 min
Jun 7, 2:23 PM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson52 min
Jun 7, 2:36 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin39 min
Jun 7, 3:01 PM CDTSevere Thunderstorm WarningJANClaiborne, Hinds, Warren44 min
Jun 7, 3:15 PM CDTSpecial Weather StatementJANNeshoba30 min
Jun 7, 3:19 PM CDTSpecial Weather StatementJANMadison26 min
Jun 7, 3:29 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Yazoo46 min
Jun 7, 3:47 PM CDTSevere Thunderstorm WarningJANLeake, Madison, Rankin43 min
Jun 7, 4:03 PM CDTSevere Thunderstorm WarningJANYazoo42 min
Jun 7, 4:11 PM CDTSpecial Weather StatementJANWinston34 min
Jun 7, 4:17 PM CDTSevere Thunderstorm WarningJANAttala, Leake, Madison58 min
Jun 7, 5:08 PM CDTSpecial Weather StatementJANLowndes52 min
Jun 7, 6:23 PM CDTSevere Thunderstorm WarningJANBolivar, Issaquena, Sharkey, Washington55 min
Jun 7, 2:48 PM CDTSpecial Weather StatementJANFranklin, Tensas27 min
Jun 7, 3:26 PM CDTSpecial Weather StatementJANMadison, Richland49 min
Jun 7, 5:36 PM CDTSevere Thunderstorm WarningJANFranklin, Morehouse, Richland, West Carroll84 min
Jun 7, 12:30 PM CDTSpecial Weather StatementJANChicot15 min
Jun 7, 12:46 PM CDTSpecial Weather StatementJANChicot29 min
Jun 7, 4:34 PM CDTSpecial Weather StatementJANAshley, Chicot41 min
Jun 7, 4:58 PM CDTSevere Thunderstorm WarningJANAshley62 min
Jun 7, 5:56 PM CDTSevere Thunderstorm WarningJANAshley43 min

Nearby

Special Weather Statements in Arkansas, 2021Every 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.