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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Shreveport LA
547 AM CDT Thu Jul 20 2017

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-112-126-137-138-150>153-165>167-211100-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-
Grant-Caldwell-La Salle-McCurtain-Bowie-Cass-Marion-Gregg-
Harrison-Rusk-Panola-Nacogdoches-Shelby-Angelina-San Augustine-
547 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of south central
Arkansas, southwest Arkansas, north central Louisiana, northwest
Louisiana, southeast Oklahoma, east Texas and northeast Texas.

.DAY ONE...Today and Tonight...

A heat advisory is in effect for today. With temperatures
forecast to climb into the mid to upper 90s and increased low-
level moisture in place, afternoon heat index values will range
from 105 to 109 degrees. Precautions should be taken to prevent
heat related injuries, including drinking plenty of water while
outdoors.

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

An upper level ridge of high pressure will maintain hot
temperatures with a slight chance of afternoon showers and
thunderstorms through the end of this work week. With temperatures
climbing into the mid and possibly upper 90s, afternoon heat
index values will range from 105 to 109 degrees on Friday. A heat
advisory remains in effect through Friday evening. The ridge of
high pressure will weaken this weekend with the approach of a
couple of weak upper level disturbances and an associated weak
cold frontal system, which should result in an increase in
scattered showers and thunderstorms, and slightly cooler
temperatures.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel, amateur radio
operators, and storm spotters will not be needed through Thursday
morning.

$$

05

Hazardous Weather Outlook
National Weather Service Shreveport LA
547 AM CDT Thu Jul 20 2017

TXZ108>111-124-125-136-149-211100-
Franklin-Titus-Camp-Morris-Wood-Upshur-Smith-Cherokee-
547 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of northeast
Texas.

.DAY ONE...Today and Tonight...

No hazardous weather is expected.

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

An upper level ridge of high pressure will maintain very warm
temperatures with a slight chance of afternoon showers and
thunderstorms through the end of this work week. With temperatures
climbing into the mid and possibly upper 90s, afternoon heat index
values may approach 105 degrees through Friday. This ridge will
weaken this weekend with the approach of a couple of weak upper
level disturbances and an associated weak cold frontal system,
which should result in an increase in scattered showers and
thunderstorms, and slightly cooler temperatures.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel, amateur radio
operators, and storm spotters will not be needed through Thursday
morning.

$$

Hazardous Weather Outlook
National Weather Service Tulsa OK
456 AM CDT Thu Jul 20 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-211000-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
456 AM CDT Thu Jul 20 2017

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...Today and Tonight.

DANGEROUS HEAT.
RISK...Elevated.
AREA...All eastern Oklahoma and northwest Arkansas.
ONSET...Afternoon.

DISCUSSION...
Afternoon heat index values will rise into the 102 to
110 degree range across all of eastern Oklahoma and
northwest Arkansas.  Monitor for signs of heat stress
during outdoor activities and drink plenty of water.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Spotter Activation Not Expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
FRIDAY and SATURDAY...Dangerous Heat Potential.
SUNDAY...Thunderstorm and Dangerous Heat Potential.
MONDAY and TUESDAY...Thunderstorm Potential.
WEDNESDAY...No Hazards.

EXTENDED DISCUSSION...
Afternoon heat index values of 105 to 110 degrees
will be common Friday and Saturday.  Hot temperatures
will continue on Sunday ahead of a weak cold front
which will increase thunderstorm chances, and bring
slightly cooler temperatures for the first part of
next week.

weather.gov/tulsa contains additional information.

$$

Hazardous Weather Outlook
National Weather Service Memphis TN
427 AM CDT Thu Jul 20 2017

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-211130-
Alcorn-Benton MS-Benton TN-Calhoun-Carroll-Chester-Chickasaw-Clay-
Coahoma-Craighead-Crittenden-Crockett-Cross-DeSoto-Decatur-
Dunklin-Dyer-Fayette-Gibson-Greene-Hardeman-Hardin-Haywood-
Henderson-Henry-Itawamba-Lafayette-Lake-Lauderdale-Lawrence-
Lee AR-Lee MS-Madison-Marshall-McNairy-Mississippi-Monroe-Obion-
Panola-Pemiscot-Phillips-Poinsett-Pontotoc-Prentiss-Quitman-
Randolph-Shelby-St. Francis-Tallahatchie-Tate-Tippah-Tipton-
Tishomingo-Tunica-Union-Weakley-Yalobusha-
427 AM CDT Thu Jul 20 2017

This hazardous weather outlook is for portions of East Arkansas...
the Missouri Bootheel...North Mississippi...and West Tennessee.

.DAY ONE...Today and Tonight

Heat index values up to 109 degrees will occur late this morning
until early evening across.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Heat index values approaching or exceeding 105 degrees are
expected Friday across much of the Mid-South. Saturday may also
see heat index values above 105 in a portion of the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

$$
TLSJr

Hazardous Weather Outlook
National Weather Service Jackson MS
351 AM CDT Thu Jul 20 2017

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>028-034>036-
040>042-047-048-053-059-060-210900-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar-
Sunflower-Leflore-Grenada-Carroll-Montgomery-Washington-Humphreys-
Holmes-Issaquena-Sharkey-Yazoo-Warren-Hinds-Claiborne-Jefferson-
Adams-
351 AM CDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

EXCESSIVE HEAT
THREAT...Elevated
TIMING...This afternoon

Heat stress concerns will continue this afternoon. Maximum
temperatures in the mid to upper 90s will combine with high
humidity to produce heat indices of 106 to 110 degrees.

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

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Heat stress concerns will continue Friday afternoon. The greatest
heat indices will continue over the ArkLaMiss Delta region where
afternoon highs in the mid to upper 90s will combine with high
humidity to produce heat indices of 106 to 110 degrees. North of
I20 and west of I55, heat indices around 105 degrees will be
common, with values around 100 elsewhere.

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

.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 Wednesday.

$$

Hazardous Weather Outlook
National Weather Service Paducah KY
336 AM CDT Thu Jul 20 2017

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-210845-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
336 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.

.DAY ONE...Today and Tonight

Dangerous heat and humidity will continue across the region
today. The heat index will top out between 103 and 107 degrees
this afternoon in most areas. A Heat Advisory runs through the
weekend. Please refer to the Advisory product for details.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Afternoon heat indices will continue to top 100 degrees through
the weekend with some locations peaking around 105 degrees. A
Heat Advisory will continue through Sunday. Please refer to the
Advisory product for details.

A chance of thunderstorms returns late Saturday night into Monday.
The main threats with any storms will be lightning and heavy
rain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated

$$

Hazardous Weather Outlook
National Weather Service Fort Worth TX
329 AM CDT Thu Jul 20 2017

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-210830-
Montague-Cooke-Grayson-Fannin-Lamar-Young-Jack-Wise-Denton-Collin-
Hunt-Delta-Hopkins-Stephens-Palo Pinto-Parker-Tarrant-Dallas-
Rockwall-Kaufman-Van Zandt-Rains-Eastland-Erath-Hood-Somervell-
Johnson-Ellis-Henderson-Comanche-Mills-Hamilton-Bosque-Hill-Navarro-
Freestone-Anderson-Lampasas-Coryell-Bell-McLennan-Falls-Limestone-
Leon-Milam-Robertson-
329 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for North and Central Texas.

.DAY ONE...Today and Tonight.
Dangerous heat is expected this afternoon with heat index values
between 105 and 108 for areas along and east of the I-35 corridor.
Elsewhere, heat index values will range between 100 and 104 degrees.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Heat index values are expected to climb to 100 to 108 degrees each
afternoon Friday through Tuesday.

An isolated thunderstorm or two will be possible Saturday afternoon
along and south of a line from Palestine to Cameron. Low
thunderstorm chances will continue on Sunday, mainly for locations
near and east of the Interstate 35 corridor. There is a low chance
for thunderstorms north of a Breckenridge to Arlington to Athens line
on Monday. Severe weather appears unlikely Saturday through Monday
and the primary storm hazards are expected to be gusty winds and
lightning.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.

$$

24-Bain

Hazardous Weather Outlook
National Weather Service Springfield MO
127 AM CDT Thu Jul 20 2017

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-210630-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
127 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Elevated Excessive heat risk.

DISCUSSION...

 Afternoon temperatures in the middle and upper 90s combined with
 a humid airmass will produce heat index values of around 100 to
 near 108 degrees. The hottest temperatures will occur from
 southeastern Kansas into central Missouri.

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

An extended period of excessive heat will persist into Saturday. High
temperatures will climb into the middle and upper 90s while
afternoon heat index values between 100 and 110 degrees will be
common. The hottest temperatures will occur from southeastern
Kansas into central Missouri.

Slightly cooler temperatures are then expected on Sunday and
especially next Monday and Tuesday as a front slides south into
the region. This front will also bring a chance for thunderstorms
from Sunday into early next work week.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be needed through tonight.

&&

More detailed information can be accessed at:
http://www.weather.gov/sgf/sitrep

This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf

$$

Foster

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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