Alert archive / Mississippi / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 159, NWS Jackson, MS

April 17, 2022Clarke County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 17, 2022, 10:30 AM CDT for Clarke County, Mississippi. It was in force for 29 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 17, 2022, 10:30 AM CDT (15:30 UTC)
Expired
Apr 17, 2022, 10:59 AM CDT
In force
29 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Clarke County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 125 km from the middle of the area, began a volume at 15:30 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, 3.5 hours before the alert went out and 135 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 2022-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 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 2022-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.1939587897Sfc1 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
257 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
492 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 17, 10:00 AM CDT, 30 minutes earlier.

Area forecast discussion, Apr 17, 10:00 AM CDT, 30 minutes before
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Hazardous weather outlook, Apr 17, 5:51 AM CDT, 4 hours 39 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
551 AM CDT Sun Apr 17 2022

ARZ074-075-MSZ018-019-025>029-032-034>037-181100-
Ashley-Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-
Montgomery-Webster-Choctaw-Washington-Humphreys-Holmes-Attala-
551 AM CDT Sun Apr 17 2022

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Today through Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

Isolated strong to severe thunderstorms will be possible through
this evening. Severe thunderstorms could produce damaging winds
to 60 mph and hail of quarter size to golf ball size. A tornado
cannot be ruled out.

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

Localized one to two inches of rain in a short amount of time over
saturated soils will lead to possible flash flooding through
this evening, particularly in low lying and urban areas.
additional minor river flooding is also possible.

(https://www.weather.gov/images/jan/graphicast/2.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
through tonight.

MSZ030-031-033-038-039-046-181100-
Clay-Lowndes-Oktibbeha-Winston-Noxubee-Kemper-
551 AM CDT Sun Apr 17 2022

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Today through Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

FOG
THREAT...Limited
TIMING...Today

Isolated strong to severe thunderstorms will be possible through
this evening. Severe thunderstorms could produce damaging winds
to 60 mph and hail of quarter size to golf ball size. A tornado
cannot be ruled out.

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

Localized one to two inches of rain in a short amount of time over
saturated soils will lead to possible flash flooding through
this evening, particularly in low lying and urban areas.
additional minor river flooding is also possible.

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

Patchy dense fog will reduce visibilities to below a half mile at
times this morning until after 9 AM. This will making driving
hazardous.

(https://www.weather.gov/images/jan/graphicast/3.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
through tonight.

LAZ007>009-MSZ040>045-050-181100-
Morehouse-West Carroll-East Carroll-Issaquena-Sharkey-Yazoo-
Madison MS-Leake-Neshoba-Scott-
551 AM CDT Sun Apr 17 2022

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Today through Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

Severe thunderstorms will be possible through this evening.
Severe thunderstorms could produce damaging winds to 60 mph and
hail up to golf ball size. Tornadoes will also be possible.

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

Localized one to two inches of rain in a short amount of time over
saturated soils will lead to possible flash flooding through
this evening, particularly in low lying and urban areas.
additional minor river flooding is also possible.

(https://www.weather.gov/images/jan/graphicast/2.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
through tonight.

LAZ015-016-023>026-MSZ047>049-051>066-072>074-181100-
Richland-Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Warren-
Hinds-Rankin-Newton-Lauderdale-Claiborne-Copiah-Simpson-Smith-
Jasper-Clarke-Jefferson-Adams-Franklin MS-Lincoln-Lawrence-
Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
551 AM CDT Sun Apr 17 2022

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Today through Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

FOG
THREAT...Limited
TIMING...Today

Severe thunderstorms will be possible through this evening.
Severe thunderstorms could produce damaging winds to 60 mph and
hail up to golf ball size. Tornadoes will also be possible.

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

Localized one to two inches of rain in a short amount of time over
saturated soils will lead to possible flash flooding through
this evening, particularly in low lying and urban areas.
additional minor river flooding is also possible.

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

Patchy dense fog will reduce visibilities to below a half mile at
times this morning until after 9 AM. This will making driving
hazardous.

(https://www.weather.gov/images/jan/graphicast/3.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
through tonight.

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.

*FLOODING*
Extreme...Confident in significant flooding.
Significant...Significant flooding possible.
Elevated...Confident in flooding.
Limited...Flooding possible.

*FOG*
Extreme...Widespread fog with visibilities near zero.
Significant...Fog with visibilities less than or equal to 1/4
 mile likely.
Elevated...Fog with visibilities less than or equal to 1/4 mile
 possible.
Limited...Patchy fog with visibilities less than or equal to 1/4
 mile 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

Local storm report, Apr 17, 10:12 AM CDT, 18 minutes before
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Local storm report, Apr 17, 10:15 AM CDT, 15 minutes before
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Local storm report, Apr 17, 10:16 AM CDT, 14 minutes before
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Local storm report, Apr 17, 10:20 AM CDT, 10 minutes before
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Special weather statement, Apr 17, 10:24 AM CDT, 6 minutes before
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Local storm report, Apr 17, 10:27 AM CDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 7:38 PM CDTRiver Flood WarningJANLeake4 days
Apr 16, 9:21 PM CDTRiver Flood WarningJANLeake8 days
Apr 16, 9:21 PM CDTRiver Flood WarningJANLeake4 days
Apr 16, 9:23 PM CDTRiver Flood WarningJANNoxubee4 days
Apr 16, 9:26 PM CDTRiver Flood WarningJANYazoo5 days
Apr 17, 5:30 AM CDTSpecial Weather StatementJANSunflower30 min
Apr 17, 5:44 AM CDTSpecial Weather StatementJANHumphreys61 min
Apr 17, 5:52 AM CDTSpecial Weather StatementJANLeflore53 min
Apr 17, 6:15 AM CDTSpecial Weather StatementJANHolmes60 min
Apr 17, 6:32 AM CDTSevere Thunderstorm WarningJANHolmes58 min
Apr 17, 7:30 AM CDTSevere Thunderstorm WarningJANAttala, Leake60 min
Apr 17, 8:27 AM CDTSevere Thunderstorm WarningJANLeake, Neshoba78 min
Apr 17, 8:29 AM CDTSpecial Weather StatementJANMadison31 min
Apr 17, 9:07 AM CDTSevere Thunderstorm WarningJANNewton53 min
Apr 17, 9:45 AM CDTSevere Thunderstorm WarningJANLauderdale75 min
Apr 17, 10:24 AM CDTSpecial Weather StatementJANClarke51 min
Apr 17, 2:00 PM CDTRiver Flood WarningJANLeake21 days
Apr 17, 2:56 PM CDTSpecial Weather StatementJANWashington34 min
Apr 17, 4:11 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin49 min
Apr 17, 4:15 PM CDTSpecial Weather StatementJANHumphreys45 min
Apr 17, 4:29 PM CDTSpecial Weather StatementJANHumphreys46 min
Apr 17, 4:29 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren, Yazoo46 min
Apr 17, 4:46 PM CDTSevere Thunderstorm Warning Considerable damage threatJANHinds, Rankin44 min
Apr 17, 4:53 PM CDTSpecial Weather StatementJANHolmes37 min
Apr 17, 5:09 PM CDTSevere Thunderstorm WarningJANIssaquena, Warren51 min
Apr 17, 5:09 PM CDTSevere Thunderstorm Warning Considerable damage threatJANHinds, Madison, Warren, Yazoo51 min
Apr 17, 5:15 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey, Yazoo60 min
Apr 17, 5:28 PM CDTSevere Thunderstorm WarningJANJefferson92 min
Apr 17, 5:28 PM CDTSevere Thunderstorm WarningJANAttala, Holmes47 min
Apr 17, 5:29 PM CDTSevere Thunderstorm WarningJANRankin, Simpson, Smith46 min
Apr 17, 5:33 PM CDTSevere Thunderstorm Warning Considerable damage threatJANHinds, Warren57 min
Apr 17, 5:55 PM CDTSevere Thunderstorm WarningJANAttala, Holmes, Leake, Madison, Rankin, Scott and 2 more50 min
Apr 17, 6:01 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lamar44 min
Apr 17, 6:03 PM CDTSpecial Weather StatementJANLawrence27 min
Apr 17, 6:05 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin53 min
Apr 17, 6:13 PM CDTFlash Flood WarningJANHinds, Rankin3 hr
Apr 17, 6:15 PM CDTSevere Thunderstorm WarningJANRankin, Simpson, Smith45 min
Apr 17, 6:18 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence57 min
Apr 17, 6:27 PM CDTSpecial Weather StatementJANNeshoba, Newton, Scott48 min
Apr 17, 6:29 PM CDTSevere Thunderstorm WarningJANCovington, Forrest, Jones76 min
Apr 17, 6:34 PM CDTTornado WarningJANRankin, Simpson, Smith19 min
Apr 17, 6:36 PM CDTSevere Thunderstorm WarningJANAdams, Claiborne, Franklin, Jefferson69 min
Apr 17, 6:52 PM CDTSevere Thunderstorm WarningJANRankin, Simpson, Smith53 min
Apr 17, 6:56 PM CDTSevere Thunderstorm WarningJANLawrence, Lincoln49 min
Apr 17, 4:37 PM CDTSpecial Weather StatementJANEast Carroll38 min
Apr 17, 6:09 PM CDTSevere Thunderstorm WarningJANCatahoula, Concordia96 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2022Every severe thunderstorm warning in 2022

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.