Hazardous Weather Outlook
Issued by NWS Jackson, MS

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FLUS44 KJAN 202055
HWOJAN

Hazardous Weather Outlook
National Weather Service Jackson MS
355 PM CDT Sat May 20 2017

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025-034-035-040-
041-212100-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar-
Sunflower-Leflore-Washington-Humphreys-Issaquena-Sharkey-
355 PM CDT Sat May 20 2017

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

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Tonight

Scattered thunderstorms are expected to develop this afternoon
and continue into the evening. Isolated severe storms could be
capable of producing damaging wind gusts up to 60 mph and hail up
to quarter size.

(www.weather.gov/images/jan/graphicast/image1.png)

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

Flooding is possible for locations south of Interstate 20 on
Monday night.

Thunderstorms with heavy rain are expected to develop Monday and
continue Monday night. This rainfall will fall over nearly
saturated soils and produce a threat for localized flooding of
low-lying areas and roads.

.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 tonight.

$$

MSZ026>033-036>039-042>050-053-054-059-060-212100-
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Holmes-Attala-Winston-Noxubee-Yazoo-Madison MS-Leake-Neshoba-
Kemper-Warren-Hinds-Rankin-Scott-Claiborne-Copiah-Jefferson-Adams-
355 PM CDT Sat May 20 2017

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

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Tonight

FLOODING
THREAT...Limited
TIMING...Tonight

Numerous thunderstorms are expected to continue over Mississippi
this afternoon and into the evening. A few storms may become
severe and produce heavy rain. The most intense storms will be
capable of producing damaging wind gusts of 60 mph and quarter
size hail. In addition, locally heavy rainfall of one to two
inches in a short duration could cause some flooding of low-lying
areas and streets.

(www.weather.gov/images/jan/graphicast/image1.png)
(www.weather.gov/images/jan/graphicast/image2.png)

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

Flooding is possible for locations south of Interstate 20 on
Monday night.

Thunderstorms with heavy rain are expected to develop Monday and
continue Monday night. This rainfall will fall over nearly
saturated soils and produce a threat for localized flooding of
low-lying areas and roads.

.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 tonight.

$$

MSZ051-212100-
Newton-
355 PM CDT Sat May 20 2017

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

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Tonight

FLOODING
THREAT...Elevated
TIMING...Tonight

Numerous thunderstorms are expected to continue over Mississippi
this afternoon and into the evening. A few storms may become
severe and produce heavy rain. The most intense storms will be
capable of producing damaging wind gusts of 60 mph and quarter
size hail. In addition, heavy rainfall of two to three inches with
locally higher amounts in a short duration could cause some flash
flooding.

(www.weather.gov/images/jan/graphicast/image1.png)
(www.weather.gov/images/jan/graphicast/image2.png)

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

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 tonight.

$$

MSZ052-055>057-063>065-212100-
Lauderdale-Simpson-Smith-Jasper-Lawrence-Jefferson Davis-
Covington-
355 PM CDT Sat May 20 2017

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

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Mainly Tonight

FLOODING
THREAT...Elevated
TIMING...Tonight

Numerous thunderstorms are expected to continue over Mississippi
this afternoon and into the evening. A few storms may become
severe and produce heavy rain. The most intense storms will be
capable of producing damaging wind gusts of 60 mph and quarter
size hail. In addition, heavy rainfall of two to three inches with
locally higher amounts in a short duration could cause some flash
flooding.

(www.weather.gov/images/jan/graphicast/image1.png)
(www.weather.gov/images/jan/graphicast/image2.png)

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

Flooding is possible for locations south of Interstate 20 on
Monday night.

Thunderstorms with heavy rain are expected to develop Monday and
continue Monday night. This rainfall will fall over nearly
saturated soils and produce a threat for localized flooding of
low-lying areas and roads.

.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 tonight
through Sunday.

$$

MSZ061-062-212100-
Franklin MS-Lincoln-
355 PM CDT Sat May 20 2017

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

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Mainly Tonight

FLOODING
THREAT...Limited
TIMING...Tonight

Numerous thunderstorms are expected to continue over Mississippi
this afternoon and into the evening. A few storms may become
severe and produce heavy rain. The most intense storms will be
capable of producing damaging wind gusts of 60 mph and quarter
size hail. In addition, heavy rainfall of two to three inches with
locally higher amounts in a short duration could cause some flash
flooding.

(www.weather.gov/images/jan/graphicast/image1.png)
(www.weather.gov/images/jan/graphicast/image2.png)

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

Flooding is possible for locations south of Interstate 20 on
Monday night.

Thunderstorms with heavy rain are expected to develop Monday and
continue Monday night. This rainfall will fall over nearly
saturated soils and produce a threat for localized flooding of
low-lying areas and roads.

.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 tonight
through Sunday.

$$

MSZ058-066-072>074-212100-
Clarke-Jones-Marion-Lamar-Forrest-
355 PM CDT Sat May 20 2017

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

.DAY ONE...Tonight and Sunday

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

FLOODING
THREAT...Elevated
TIMING...Tonight

Scattered thunderstorms are expected to develop this afternoon
and continue into the evening. Isolated severe storms could be
capable of producing damaging wind gusts up to 60 mph and hail up
to quarter size.

(www.weather.gov/images/jan/graphicast/image1.png)

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

Flooding is possible for locations south of Interstate 20 on
Monday night.

Thunderstorms with heavy rain are expected to develop Monday and
continue Monday night. This rainfall will fall over nearly
saturated soils and produce a threat for localized flooding of
low-lying areas and roads.

.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 tonight
through Sunday.

$$

21

&&

...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...
   www.weather.gov/jan
Stay Aware, Stay Safe NWS JAN Briefing Page...
   www.weather.gov/jan/safe
Latest Weather Briefing...
   www.weather.gov/jan/weather_briefing

Find NWS JAN on Facebook...
   www.facebook.com/NWSJacksonMS
Follow NWS JAN on Twitter...
   @NWSJacksonMS
Follow NWS JAN on Youtube...
   www.youtube.com/user/NWSJacksonMiss

...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES...

Storm Prediction Center (SPC)...
   www.spc.noaa.gov/
Meso Analysis...
   www.spc.noaa.gov/exper/mesoanalysis/Day 1 through 3 Outlooks...
   www.spc.noaa.gov/products/outlook/
Storm Reports...
   www.spc.noaa.gov/climo/online/
...ADDITIONAL URLS FOR FLOODING ISSUES...

Current Watches and Warnings...
   www.weather.gov/jan/safe_HeavyRain

Observed Precipitation Images...
   www.weather.gov/jan/precipmaps

River Forecast Center...
   www.weather.gov/lmrfc/
Significant River Flood Outlook...
   www.wpc.ncep.noaa.gov/nationalfloodoutlook/index.html
Day 1 through 3 Excessive Rainfall...
   www.wpc.ncep.noaa.gov/qpf/excess_rain.shtml
Excessive Rainfall Discussion...
   www.wpc.ncep.noaa.gov/discussions/qpferd.html
Day 1 through 7 QPF...
   www.wpc.ncep.noaa.gov/qpf/qpf2.shtml
QPF Discussion...
   www.wpc.ncep.noaa.gov/discussions/qpfpfd.html



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