Hazardous Weather Outlook
Issued by NWS Jackson, MS

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FLUS44 KJAN 272045
HWOJAN

Hazardous Weather Outlook
National Weather Service Jackson MS
345 PM CDT Thu Jul 27 2017

ARZ074-LAZ007>009-015-016-023-025-MSZ037>059-282045-
Ashley-Morehouse-West Carroll-East Carroll-Richland-Madison LA-
Franklin LA-Tensas-Attala-Winston-Noxubee-Issaquena-Sharkey-Yazoo-
Madison MS-Leake-Neshoba-Kemper-Warren-Hinds-Rankin-Scott-Newton-
Lauderdale-Claiborne-Copiah-Simpson-Smith-Jasper-Clarke-Jefferson-
345 PM CDT Thu Jul 27 2017

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

.DAY ONE...Tonight and Friday

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

FLOODING
THREAT...Limited
TIMING...Friday

EXCESSIVE HEAT
THREAT...Limited
TIMING...Friday

Heat stress concerns will be possible again on Friday as
temperatures will reach the mid-upper 90s. Heat index values will
peak near to above 105 degrees mainly south of the cold front
over southern and western areas.

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

Isolated strong to severe thunderstorms are possible ahead of a
cold front moving into the area. Some thunderstorms are possible
early Friday morning before more redevelopment of likely stronger
storms are possible in the late afternoon into the evening hours.
Most storms will remain along & north of the I-20 corridor. Damaging
winds up to 60mph will be the main threat with any stronger
storms but can`t rule out some small hail.

In addition, heavy rainfall due to very high moisture feeding in
ahead of the cold front will lead to localized heavy rainfall &
potential for flash flooding. This will linger Friday afternoon &
into the overnight hours. This will mainly be confined along &
north of the I-20 corridor.

(www.weather.gov/images/jan/graphicast/image3.png)

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

Isolated strong to severe thunderstorms are possible ahead of a
cold front moving through the area on Saturday. Some thunderstorms
are possible early Saturday morning before more stronger storms
are expected through Saturday afternoon. Damaging winds up to
60mph will be the main threat with any stronger storms but can`t
rule out some small hail. The main threat will be along and south
of the I-20 corridor.

In addition, heavy rainfall due to very high moisture feeding in
ahead of the cold front will lead to localized heavy rainfall &
potential for flash flooding. This will linger Friday afternoon &
into the overnight hours. This will mainly be confined along &
north of the I-20 corridor.

(www.weather.gov/images/jan/graphicast/image4.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 Saturday.

$$

ARZ075-MSZ018-019-025>036-282045-
Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-
Webster-Clay-Lowndes-Choctaw-Oktibbeha-Washington-Humphreys-
Holmes-
345 PM CDT Thu Jul 27 2017

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

.DAY ONE...Tonight and Friday

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

FLOODING
THREAT...Limited
TIMING...Friday

Isolated strong to severe thunderstorms are possible ahead of a
cold front moving into the area. Some thunderstorms are possible
early Friday morning before more redevelopment of likely stronger
storms are possible in the late afternoon into the evening hours.
Most storms will remain along & north of the I-20 corridor. Damaging
winds up to 60mph will be the main threat with any stronger
storms but can`t rule out some small hail.

In addition, heavy rainfall due to very high moisture feeding in
ahead of the cold front will lead to localized heavy rainfall &
potential for flash flooding. This will linger Friday afternoon &
into the overnight hours. This will mainly be confined along &
north of the I-20 corridor.

(www.weather.gov/images/jan/graphicast/image3.png)

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

Isolated strong to severe thunderstorms are possible ahead of a
cold front moving through the area on Saturday. Some thunderstorms
are possible early Saturday morning before more stronger storms
are expected through Saturday afternoon. Damaging winds up to
60mph will be the main threat with any stronger storms but can`t
rule out some small hail. The main threat will be along and south
of the I-20 corridor.

In addition, heavy rainfall due to very high moisture feeding in
ahead of the cold front will lead to localized heavy rainfall &
potential for flash flooding. This will linger Friday afternoon &
into the overnight hours. This will mainly be confined along &
north of the I-20 corridor.

(www.weather.gov/images/jan/graphicast/image4.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.

$$

LAZ024-026-MSZ060>066-072>074-282045-
Catahoula-Concordia-Adams-Franklin MS-Lincoln-Lawrence-
Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
345 PM CDT Thu Jul 27 2017

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

.DAY ONE...Tonight and Friday

EXCESSIVE HEAT
THREAT...Limited
TIMING...Friday

Heat stress concerns will be possible again on Friday as
temperatures are in the mid-upper 90s. Heat index values will peak
near 105 degrees mainly south of the cold front over southern and
western areas. A heat advisory remains in effect through early
evening today.

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

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

Isolated strong to severe thunderstorms are possible ahead of a
cold front moving through the area on Saturday. Some thunderstorms
are possible early Saturday morning before more stronger storms
are expected through Saturday afternoon. Damaging winds up to
60mph will be the main threat with any stronger storms but can`t
rule out some small hail. The main threat will be along and south
of the I-20 corridor.

In addition, heavy rainfall due to very high moisture feeding in
ahead of the cold front will lead to localized heavy rainfall &
potential for flash flooding. This will linger Friday afternoon &
into the overnight hours. This will mainly be confined along &
north of the I-20 corridor.

(www.weather.gov/images/jan/graphicast/image4.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 Saturday.

$$

23

&&

...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.

*EXCESSIVE HEAT*
Extreme...Maximum heat index greater than 110 degrees for 3 or
 more days in a row and/or air temperatures greater than 107
 degrees.
Significant...Maximum heat index greater than 110 degrees
 and/or air temperatures greater than 105 degrees.
Elevated...Maximum heat index 105 to 110 degrees and/or air
 temperatures greater than 103 degrees.
Limited...Maximum heat index near 105 degrees and/or air
 temperatures 100 to 103 degrees.


...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

Tropical page...
   www.weather.gov/jan/tropical
National Hurricane Center Home Page...
   www.nhc.noaa.gov/
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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