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Hazardous Weather Outlook


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

GMZ330-335-350-355-370-375-211000-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
Galveston Bay-Matagorda Bay-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
446 AM CDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

No hazardous weather is expected tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

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

TXZ163-164-176>179-195>200-210>214-226-227-235>238-211000-
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-
446 AM CDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

Heat indices will be just shy of advisory levels again today,
ranging from 103 to 108 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 108 degrees during the afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

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 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 Corpus Christi TX
451 AM CDT Thu Jul 20 2017

TXZ229>234-239>247-211000-
La Salle-McMullen-Live Oak-Bee-Goliad-Victoria-Webb-Duval-
Jim Wells-Kleberg-Nueces-San Patricio-Aransas-Refugio-Calhoun-
451 AM CDT Thu Jul 20 2017

This hazardous weather outlook is for South Texas and the Middle
Texas Coastal Waters.

.DAY ONE...Today and Tonight

Isolated non severe thunderstorms are possible today.

Afternoon heat indices of 105 to 109 will be possible across
portions of South Texas. A few locations may briefly reach a heat
index of 110 degrees.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Isolated thunderstorms may occur across the northern Coastal Bend
and Victoria area on Friday.

Heat indices may flirt with Heat Advisory levels over the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

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 Lake Charles LA
428 AM CDT Thu Jul 20 2017

GMZ430-432-435-450-452-455-470-472-475-210930-
Sabine Lake-Calcasieu Lake-Vermilion Bay-
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
428 AM CDT Thu Jul 20 2017

This Hazardous Weather Outlook is for portions of Gulf of Mexico.

.DAY ONE...Today and Tonight

Isolated to scattered showers and thunderstorms can be expected,
mainly during the late night and early morning hours. Occasional
cloud to water lightning, locally higher winds and seas and very
heavy rainfall reducing visibility to less than one mile will be
the main hazards with the storms.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Isolated to scattered showers and thunderstorms can be expected
again on Friday, mainly during the late night into early morning
hours. Showers and thunderstorms will increase Saturday and Sunday
as an upper level low moves over the Gulf of Mexico. Storms will
be capable of producing frequent cloud to water lightning and locally
higher winds and seas as well as very heavy rainfall reducing
visibility to less than one mile.

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.

$$

24

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.

$$

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

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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