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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Fort Worth TX
307 PM CDT Thu Jul 20 2017

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-211230-
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-
307 PM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for North and Central Texas.

.DAY ONE...This Afternoon and Tonight.
Dangerous heat is expected this afternoon with heat index values
between 105 and 107 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 Sunday.

There is a slight chance of thunderstorms south and east of a Temple
to Athens line on Saturday afternoon. Low thunderstorm chances will
then spread across all of North and Central Texas on Sunday. Low
thunderstorm chances will then continue across the region through
Tuesday. Severe weather appears unlikely and the primary storm
hazards are expected to be gusty winds and lightning.

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

$$

Hazardous Weather Outlook
National Weather Service Tulsa OK
1247 PM CDT Thu Jul 20 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-211030-
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-
1247 PM CDT Thu Jul 20 2017

...HEAT ADVISORY IN EFFECT UNTIL 8PM CDT FRIDAY...

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

.DAY ONE...This Afternoon and Tonight.

DANGEROUS HEAT.
RISK...Elevated.
AREA...Eastern Oklahoma and Western Arkansas.
ONSET...Ongoing.

DISCUSSION...
Heat index values will range from 102 to 110 this afternoon across
eastern Oklahoma and western Arkansas. If you must be outside this
afternoon, take frequent breaks and stay hydrated.

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 Potential...Dangerous Heat Potential.
MONDAY and TUESDAY...Thunderstorm Potential.
WEDNESDAY...No Hazards.

EXTENDED DISCUSSION...
Dangerous heat and humidity will continue through at least
Saturday for much of the area. There will be a chance for
thunderstorms by Sunday afternoon, as a cold front approaches the
area. Any precipitation will bring some relief to the heat for
the first part of the work week.

weather.gov/tulsa contains additional information.

$$

CORFIDI

Hazardous Weather Outlook
National Weather Service Norman OK
1237 PM CDT Thu Jul 20 2017

OKZ004>048-050>052-TXZ083>090-211745-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
1237 PM CDT Thu Jul 20 2017

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...This Afternoon and Tonight...

.Heat...
Hot and humid conditions are expected this afternoon. Afternoon
heat index values will range from 99 to 108 degrees. A heat
advisory is in effect for locations near and east of Highway 81.

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

.Thunderstorms...
Thunderstorm chances increase Saturday night and will persist
through Tuesday. The highest chances will be across northern
Oklahoma.

.Heat...
Very hot and humid conditions will continue through Saturday.
Friday is expected to be the hottest day when many locations will
exceed temperatures of 100 degrees with some heat index values
above 105 degrees. A heat advisory is in effect through Friday
evening for locations near and east of Highway 81.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

$$

Hazardous Weather Outlook
National Weather Service Houston/Galveston TX
1050 AM CDT Thu Jul 20 2017

TXZ163-164-176>179-195>200-210>214-226-227-235>238-211300-
Austin-Brazoria-Brazos-Burleson-Chambers-Colorado-Fort Bend-
Galveston-Grimes-Harris-Houston-Jackson-Liberty-Madison-Matagorda-
Montgomery-Polk-San Jacinto-Trinity-Walker-Waller-Washington-
Wharton-
1050 AM CDT Thu Jul 20 2017

This hazardous weather outlook is for portions of Southeast Texas..

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms are possible this afternoon.
There is a chance that the stronger storms will contain strong
gusty winds, especially during the mid and late afternoon period.
Heat indices will be just shy of advisory levels again today,
ranging from 103 to 107 degrees during the afternoon.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Heat indices will continue to be high into early next week,
ranging from 103 to 107 degrees during the afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

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

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-211200-
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-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-
952 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...This afternoon 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 climb to
near 105 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 climb to near 105 degrees once again 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 increasing
chances of scattered showers and thunderstorms, and slightly
cooler temperatures for the weekend into early next week.

.SPOTTER INFORMATION STATEMENT...

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


$$

13

Hazardous Weather Outlook
National Weather Service Lake Charles LA
428 AM CDT Thu Jul 20 2017

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
210930-
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-Tyler-Hardin-Jefferson-Orange-Northern Jasper-
Northern Newton-Southern Jasper-Southern Newton-
428 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of central
Louisiana, south central Louisiana, southwest Louisiana, west
central Louisiana, and southeast Texas.

.DAY ONE...Today and Tonight

Very warm and humid conditions can be expected with afternoon heat
index values between 102 and 107 degrees. Individuals are
encouraged to take precautions to minimize heat-related illnesses
if outside for any prolonged period of time.

Otherwise, isolated to scattered showers and thunderstorms can be
expected, with the best chances expected across the Acadiana
region. Occasional cloud to ground lightning and very heavy
rainfall will be the primary hazards with any thunderstorms.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Very warm and humid conditions are again expected on Friday with
heat index values between 102 and 107. Isolated to scattered
showers and thunderstorms are also expected during the day Friday.

Showers and thunderstorms will increase Saturday and Sunday as an
upper low moves over the region. Storms will be capable of
producing frequent cloud to ground lightning, brief gusty winds
along with very heavy rainfall that could result in localized
flooding of urban and poor drainage areas.

Rain chances will decrease early next week as high pressure begins
to build back over the region aloft.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
352 AM CDT Thu Jul 20 2017

TXZ171>173-183>194-202>209-217>225-228-210900-
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde-
Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala-
Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit-
352 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for South-Central Texas..

.DAY ONE...Today And Tonight.

Above normal temperatures and relatively humid conditions will
result in elevated heat index values of 104 to 108 this afternoon
along and east of the Interstate 35 corridor. Please stay hydrated
and take frequent breaks while working outside this afternoon.

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

Afternoon heat index values of 104 to 108 will be possible along
and east of the Interstate 35 corridor through at least Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

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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