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Flood Watch — Kona; Kohala; Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East; Big Island North Severity: Severe. Certainty: Possible. Tropical Storm Moke will bring areas of heavy rain to portions of the Big Island late Saturday nigh

Small Craft Advisory — Northern Lynn Canal Severity: Minor. Certainty: Likely. Southeast Alaska Inside Waters from Dixon Entrance to Skagway Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one-third of the c

Heat Advisory — Llano; Burnet; Williamson; Hays; Travis; Bastrop; Lee; Bexar; Comal; Guadalupe; Caldwell; Fayette; Atascosa; Wilson; Karnes; Gonzales; De Witt; Lavaca Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 109. * WHERE...The northern Hill Country

M 4.6 - northern Mid-Atlantic Ridge Magnitude: 4.6. Place: northern Mid-Atlantic Ridge. Significance: 326. Tsunami: no. Alert: none.

Small Craft Advisory — Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 nm; Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm; Coastal waters from Cape Foulweather to Florence OR out 10 nm Severity: Minor. Certainty: Likely. * WHAT...Seas 3 to 5 ft a

Small Craft Advisory — Columbia River Bar Severity: Minor. Certainty: Likely. * WHAT...Rough bar conditions expected. South winds 10 to 15 kt with gusts up to 25 kt. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...From 11 AM to 5 PM PDT Saturday. * IMPACTS...

M 4.5 - south of the Fiji Islands Magnitude: 4.5. Place: south of the Fiji Islands. Significance: 312. Tsunami: no. Alert: none.

Extreme Heat Warning — Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal Cou

M 5.4 - South Sandwich Islands region Magnitude: 5.4. Place: South Sandwich Islands region. Significance: 449. Tsunami: no. Alert: green.

Extreme Heat Warning — Montague; Cooke; Young; Jack; Wise; Denton; Collin; Stephens; Palo Pinto; Parker; Tarrant; Dallas; Rockwall; Kaufman; Hood; Somervell; Johnson; Ellis Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 109.

Heat Advisory — Henderson; Navarro; Anderson Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 108 expected. * WHERE...Navarro, Anderson, and Henderson Counties. * WHEN...Until 8 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity will increas

Heat Advisory — Bosque; Hill; Freestone; McLennan; Falls; Limestone; Leon; Robertson Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 109 expected. * WHERE...Bosque, Falls, Freestone, Hill, Limestone, McLennan, Leon, and Robertson Counties. * WHEN...Until

Heat Advisory — Hunt; Hopkins; Van Zandt; Rains Severity: Moderate. Certainty: Likely. * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 108. For the Heat Advisory, heat index values up to 107 expected. * WHERE...Hunt, Hopkins, Rains,

Heat Advisory — Grayson; Fannin; Lamar; Delta; Eastland; Comanche; Mills; Hamilton; Lampasas; Coryell; Bell; Milam Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 108 expected. * WHERE...Portions of north and central Texas. * WHEN...Until 8 PM CDT Saturd

Extreme Heat Warning — Erath Severity: Severe. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 105. For the Extreme Heat Warning, dangerously hot conditions with temperatures and heat index values up to 108 expected. * WHERE...Erath County. * WHEN...F

Heat Advisory — Borden; Scurry; Howard; Mitchell Severity: Moderate. Certainty: Likely. * WHAT...Temperatures up to 105 expected. Overnight low temperatures near 80. * WHERE...Western low rolling plains, Borden, and Howard. * WHEN...From 1 PM Saturday to 7 PM CDT Sunday. * IMP

Air Quality Alert — Crook, OR; Jefferson, OR; Umatilla, OR; Union, OR; Wasco, OR Severity: Unknown. Certainty: Unknown. Oregon Department of Environmental Quality has issued an Air Quality Advisory until noon PDT Monday. For the Smoke Air Quality Advisory, wildfires burning in t

Air Quality Alert — Kittitas, WA Severity: Unknown. Certainty: Unknown. The Washington State Department of Ecology has issued an Air Quality Alert until noon PDT Monday. An Air Quality Alert has been issued for Kittitas County through Monday August 24th at noon due to current an

Red Flag Warning — Upper Snake River Valley/Idaho Falls BLM; Sawtooth Range/Northern Sawtooth NF; Middle Snake River Valley/Twin Falls BLM north of the Snake River; Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River; East Salmon River M

Lake Wind Advisory — Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone Severity: Moderate. Certainty: Likely. * WHAT...Southeast winds 15 to 20 mph with gusts up to 30 mph expected. * WHERE...Fort Peck Lake. * WHEN...From noon Saturday to

Heat Advisory — Great Salt Lake Desert and Mountains; Tooele and Rush Valleys; Eastern Box Elder County; Northern Wasatch Front; Salt Lake Valley; Utah Valley Severity: Moderate. Certainty: Likely. * WHAT...High temperatures to around 100 degrees expected alongside overnight low

M 4.9 - 149 km WSW of Fakfak, Indonesia Magnitude: 4.9. Place: 149 km WSW of Fakfak, Indonesia. Significance: 369. Tsunami: no. Alert: none.

M 4.9 - Kermadec Islands region Magnitude: 4.9. Place: Kermadec Islands region. Significance: 369. Tsunami: no. Alert: none.

Extreme Heat Warning — Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley Severity: Severe. Certainty: Likely. * WHA

Extreme Heat Warning — New River Mesa; Rio Verde/Salt River; Superior Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 114. Major to extreme Heat Risk. * WHERE...New River Mesa, Rio Verde/Salt River, and Superior. * WHEN...

Extreme Heat Warning — San Carlos Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 113 expected. Major to Extreme Heat Risk. * WHERE...San Carlos. * WHEN...Until 8 PM MST Friday. * IMPACTS...Heat related illnesses increase

Extreme Heat Warning — Aguila Valley; Tonopah Desert; Gila Bend; Cave Creek/New River; Fountain Hills/East Mesa; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon; Sonoran Desert Natl Monument Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot cond

Extreme Heat Warning — Northwest Valley; Buckeye/Avondale; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; South Mountain/Ahwatukee; Southeast Valley/Queen Creek Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot condition

M 5.4 - 148 km SSE of Tateyama, Japan Magnitude: 5.4. Place: 148 km SSE of Tateyama, Japan. Significance: 451. Tsunami: no. Alert: green.

Red Flag Warning — Northern Blue Mountains of Oregon; Blue Mountains of Washington Severity: Severe. Certainty: Likely. ...WIDESPREAD BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY... ...HIGH-BASED SHOWERS AND THUNDERSTORMS TONIGHT AND SATURDAY ALONG THE WASHINGTON CAS

Red Flag Warning — Lower Columbia Basin of Oregon; Warm Springs Reservation; Kittitas Valley; Lower Columbia Basin Severity: Severe. Certainty: Likely. ...WIDESPREAD BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY... ...HIGH-BASED SHOWERS AND THUNDERSTORMS TONIGHT AND S

Red Flag Warning — East Washington South Central Cascade Mountains Severity: Severe. Certainty: Likely. ...WIDESPREAD BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY... ...HIGH-BASED SHOWERS AND THUNDERSTORMS TONIGHT AND SATURDAY ALONG THE WASHINGTON CASCADES AND BLUE M

Red Flag Warning — John Day Valley; Southern Blue Mountains; Central Mountains of Oregon Severity: Severe. Certainty: Likely. ...WIDESPREAD BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY... ...HIGH-BASED SHOWERS AND THUNDERSTORMS TONIGHT AND SATURDAY ALONG THE WASHINGT

Red Flag Warning — Canyon Grassland of Wallowa County; Southeast Washington Grande Ronde Valley Severity: Severe. Certainty: Likely. ...WIDESPREAD BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY... ...HIGH-BASED SHOWERS AND THUNDERSTORMS TONIGHT AND SATURDAY ALONG THE W

M 4.6 - Banda Sea Magnitude: 4.6. Place: Banda Sea. Significance: 326. Tsunami: no. Alert: none.

M 4.6 - 62 km ENE of Ruteng, Indonesia Magnitude: 4.6. Place: 62 km ENE of Ruteng, Indonesia. Significance: 326. Tsunami: no. Alert: none.

Lake Wind Advisory — Greater Reno-Carson City-Minden Area Severity: Moderate. Certainty: Likely. * WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph for Washoe Lake. * WHERE...Greater Reno-Carson City-Minden Area. * WHEN...From 11 AM to 11 PM PDT Saturday. * IMPACTS.

Lake Wind Advisory — Lassen-Eastern Plumas-Eastern Sierra Counties Severity: Moderate. Certainty: Likely. * WHAT...Southwest winds 15 to 20 mph with gusts up to 35 mph for Stampede Reservoir, Lake Davis, Antelope Lake, and Eagle Lake. * WHERE...Lassen-Eastern Plumas-Eastern Sier

M 4.5 - 12 km SW of Jabonga, Philippines Magnitude: 4.5. Place: 12 km SW of Jabonga, Philippines. Significance: 312. Tsunami: no. Alert: none.

M 4.5 - 47 km N of Ruteng, Indonesia Magnitude: 4.5. Place: 47 km N of Ruteng, Indonesia. Significance: 312. Tsunami: no. Alert: none.

M 4.6 - 44 km N of Ruteng, Indonesia Magnitude: 4.6. Place: 44 km N of Ruteng, Indonesia. Significance: 326. Tsunami: no. Alert: none.

Red Flag Warning — East Washington Central Cascades; East Portion of North Cascades National Park / Lake Chelan National Recreation Area; East Washington North Cascades; Okanogan Highlands & Kettle Mountains; Methow Valley Severity: Severe. Certainty: Likely. ...THUNDERSTORMS, G

Red Flag Warning — Foothills of Northeast Washington; Colville Reservation; Central Washington Cascade Foothills; Waterville Plateau; Western Columbia Basin; Eastern Columbia Basin / Palouse / Spokane Area; Lower Palouse / Snake River Severity: Severe. Certainty: Likely. ...THUND

Red Flag Warning — Selkirk Mountains of Northeast Washington Severity: Severe. Certainty: Likely. ...THUNDERSTORMS, GUSTY WINDS, AND LOW RELATIVE HUMIDITY SATURDAY INTO SUNDAY... .A strong cold front will move through the region Saturday into Sunday, bringing a risk for thunders

Red Flag Warning — Northern and Central Idaho Panhandle Severity: Severe. Certainty: Likely. ...THUNDERSTORMS, GUSTY WINDS, AND LOW RELATIVE HUMIDITY SATURDAY INTO SUNDAY... .A strong cold front will move through the region Saturday into Sunday, bringing a risk for thunderstorms

Red Flag Warning — Okanogan Valley Severity: Severe. Certainty: Likely. ...THUNDERSTORMS, GUSTY WINDS, AND LOW RELATIVE HUMIDITY SATURDAY INTO SUNDAY... .A strong cold front will move through the region Saturday into Sunday, bringing a risk for thunderstorms and strong west to s

M 4.5 - 237 km NNW of Kuril’sk, Russia Magnitude: 4.5. Place: 237 km NNW of Kuril’sk, Russia. Significance: 312. Tsunami: no. Alert: none.

M 4.6 - 4 km SW of Cantapoy, Philippines Magnitude: 4.6. Place: 4 km SW of Cantapoy, Philippines. Significance: 326. Tsunami: no. Alert: none.

M 5.1 - 1 km N of Alegria, Philippines Magnitude: 5.1. Place: 1 km N of Alegria, Philippines. Significance: 400. Tsunami: no. Alert: none.

Air Quality Alert — Maricopa, AZ Severity: Unknown. Certainty: Unknown. AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area through Sunday. This means that forecast weather conditions combined with