Alert archive / Arkansas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 149, NWS Jackson, MS

April 16, 2022Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this severe thunderstorm warning at Apr 16, 2022, 9:11 AM CDT for Ashley County, Chicot County, Arkansas. It was in force for 64 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 16, 2022, 9:11 AM CDT (14:11 UTC)
Expired
Apr 16, 2022, 10:15 AM CDT
In force
64 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Ashley County, AR, Chicot County, AR

The radar

The Jackson/Brandon,MS radar (KDGX), 179 km from the middle of the area, began a volume at 14:14 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

Jackson, MS (KJAN), launched 12:00Z, 2.2 hours before the alert went out and 169 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 2022-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1095 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 2022-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 230 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
1095 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
230 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.6

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 16, 6:50 AM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, Apr 16, 6:50 AM CDT, 2 hours 21 minutes before
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Hazardous weather outlook, Apr 16, 4:48 AM CDT, 4 hours 23 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
448 AM CDT Sat Apr 16 2022

ARZ074-075-LAZ008-009-MSZ019-034>037-040>052-054>058-064>066-
171000-
Ashley-Chicot-West Carroll-East Carroll-Sunflower-Washington-
Humphreys-Holmes-Attala-Issaquena-Sharkey-Yazoo-Madison MS-Leake-
Neshoba-Kemper-Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Copiah-
Simpson-Smith-Jasper-Clarke-Jefferson Davis-Covington-Jones-
448 AM CDT Sat Apr 16 2022

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

.DAY ONE...Today and Tonight

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

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

Severe thunderstorms are possible today into this evening. Some
thunderstorms could produce damaging winds to 60 mph and hail
quarter to golf ball size. A tornado cannot be ruled out.

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

Localized flash flooding is possible today, particularly in low
lying and urban areas. Minor river flooding is also possible.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Severe storms capable of producing damaging wind gusts, hail of
quarter to golf ball size, and a possible tornado or two will be
possible Sunday afternoon into Sunday evening generally south of
Highway 82. Severe storms will be more isolated along and north
of Highway 82.

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

Thunderstorms producing one to three inches of heavy rain in a
short amount of time may lead to flash flooding and minor river
flooding again Sunday.

(https://www.weather.gov/images/jan/graphicast/3.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 today
through Sunday night.

LAZ007-015-016-023>026-MSZ018-025>033-038-039-053-059>063-072>074-
171000-
Morehouse-Richland-Madison LA-Franklin LA-Catahoula-Tensas-
Concordia-Bolivar-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-
Lowndes-Choctaw-Oktibbeha-Winston-Noxubee-Claiborne-Jefferson-
Adams-Franklin MS-Lincoln-Lawrence-Marion-Lamar-Forrest-
448 AM CDT Sat Apr 16 2022

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

.DAY ONE...Today and Tonight

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

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

Isolated severe thunderstorms are possible today into this
evening. Some thunderstorms could produce damaging wind gusts and
quarter size hail. A tornado cannot be ruled out.

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

Localized flash flooding is possible today, particularly in low
lying and urban areas. Minor river flooding is also possible.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Severe storms capable of producing damaging wind gusts, hail of
quarter to golf ball size, and a possible tornado or two will be
possible Sunday afternoon into Sunday evening generally south of
Highway 82. Severe storms will be more isolated along and north
of Highway 82.

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

Thunderstorms producing one to three inches of heavy rain in a
short amount of time may lead to flash flooding and minor river
flooding again Sunday.

(https://www.weather.gov/images/jan/graphicast/3.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 today
through Sunday night.

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.

...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

Special weather statement, Apr 16, 5:05 AM CDT, 4 hours 6 minutes before
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Special weather statement, Apr 16, 8:22 AM CDT, 49 minutes before
Special Weather Statement
National Weather Service Jackson MS
822 AM CDT Sat Apr 16 2022

ARZ074-LAZ007-161430-
Ashley AR-Morehouse LA-
822 AM CDT Sat Apr 16 2022

...A strong thunderstorm will impact portions of Ashley County in
southeastern Arkansas and northern Morehouse Parishes through 930 AM
CDT...

At 822 AM CDT, Doppler radar was tracking a strong thunderstorm over
Hamburg, moving east at 35 mph.

HAZARD...Winds in excess of 40 mph and nickel 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3338 9195 3336 9146 3274 9161 3280 9206
      3281 9206
TIME...MOT...LOC 1322Z 269DEG 30KT 3322 9182

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

DB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 7:14 PM CDTSpecial Weather StatementJANAttala46 min
Apr 15, 11:07 PM CDTSpecial Weather StatementJANLowndes23 min
Apr 16, 5:05 AM CDTSpecial Weather StatementJANClay55 min
Apr 16, 9:47 AM CDTSpecial Weather StatementJANIssaquena58 min
Apr 16, 9:50 AM CDTRiver Flood WarningJANNeshoba6 days
Apr 16, 10:58 AM CDTSpecial Weather StatementJANHumphreys62 min
Apr 16, 11:03 AM CDTSevere Thunderstorm WarningJANHumphreys, Yazoo42 min
Apr 16, 11:59 AM CDTSpecial Weather StatementJANNewton46 min
Apr 16, 12:13 PM CDTSevere Thunderstorm WarningJANAttala, Holmes, Leake, Madison, Yazoo62 min
Apr 16, 12:17 PM CDTSevere Thunderstorm WarningJANYazoo58 min
Apr 16, 1:18 PM CDTSpecial Weather StatementJANLeake, Madison, Neshoba, Newton, Scott57 min
Apr 16, 2:31 PM CDTSpecial Weather StatementJANClarke29 min
Apr 16, 2:33 PM CDTSpecial Weather StatementJANJasper42 min
Apr 16, 3:20 PM CDTSpecial Weather StatementJANJones25 min
Apr 16, 3:26 PM CDTSevere Thunderstorm WarningJANJones8 min
Apr 16, 8:22 AM CDTSpecial Weather StatementJANMorehouse68 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.