us-gov-api

M 4.6 - 168 km SSE of Koshima, Japan Magnitude: 4.6. Place: 168 km SSE of Koshima, Japan. Significance: 326. Tsunami: no. Alert: none.

Flood Warning — Butler, KY; Muhlenberg, KY; Ohio, KY Severity: Severe. Certainty: Observed. ...The Flood Warning is extended for the following rivers in Kentucky... Rough River near Dundee affecting Ohio County. ...The Flood Warning continues for the following rivers in Kentuck

Air Quality Alert — Western Mogollon Rim Severity: Unknown. Certainty: Unknown. The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for Flagstaff through Wednesday due to influence the Pocket Fire. This means that forecast weather c

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 today and Wednesday. This means that forecast weather conditions combined

Air Quality Alert — Larimer, CO; Weld, CO; Broomfield, CO; Arapahoe, CO; Boulder, CO; Douglas, CO; Adams, CO; Denver, CO; Jefferson, CO Severity: Unknown. Certainty: Unknown. The Colorado Department of Public Health and Environment has issued the following... WHAT...Action Day A

Air Quality Alert — El Paso, CO; Teller, CO; Fremont, CO; Pueblo, CO; Huerfano, CO; Custer, CO Severity: Unknown. Certainty: Unknown. The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHER

Air Quality Alert — Lake, CO; Chaffee, CO; Saguache, CO Severity: Unknown. Certainty: Unknown. The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Moffat, Routt, Jackson, Grand, Rio

Air Quality Alert — Ouray, CO; Montrose, CO; Gunnison, CO; Dolores, CO; Garfield, CO; Routt, CO; Mesa, CO; Eagle, CO; Moffat, CO; Pitkin, CO; Montezuma, CO; Rio Blanco, CO; Delta, CO; San Miguel, CO Severity: Unknown. Certainty: Unknown. The Colorado Department of Public Health a

Air Quality Alert — Jackson, CO; Grand, CO; Clear Creek, CO; Park, CO; Summit, CO; Gilpin, CO Severity: Unknown. Certainty: Unknown. The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE

Air Quality Alert — Morgan, CO; Elbert, CO; Lincoln, CO; Washington, CO Severity: Unknown. Certainty: Unknown. The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Fremont, Teller, Hu

Test Message — Montgomery Severity: Unknown. Certainty: Unknown. Monitoring message only. Please disregard.

M 4.5 - 94 km WSW of Vallenar, Chile Magnitude: 4.5. Place: 94 km WSW of Vallenar, Chile. Significance: 312. Tsunami: no. Alert: none.

Marine Weather Statement — Saxon Harbor WI to Black River MI; Black River To Ontonagon MI; Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park Severity: Minor. Certainty: Observed. Th

Heat Advisory — Wyoming; Southern Erie Severity: Moderate. Certainty: Likely. * WHAT...Heat index values in the upper 90s expected. * WHERE...Wyoming and Southern Erie Counties. * WHEN...From noon today to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity m

Heat Advisory — Jefferson; Lewis; Chautauqua; Cattaraugus; Allegany Severity: Moderate. Certainty: Likely. * WHAT...Heat index values in the mid 90s expected. * WHERE...Jefferson, Lewis, Chautauqua, Cattaraugus, and Allegany Counties. * WHEN...From noon today to 8 PM EDT this e

Extreme Heat Watch — Niagara; Orleans; Monroe; Wayne; Northern Cayuga; Oswego; Northern Erie; Genesee; Livingston; Ontario Severity: Severe. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values in the upper 90s expected. For the Extreme Heat Watch, dangerously hot

Heat Advisory — Niagara; Orleans; Monroe; Wayne; Northern Cayuga; Oswego; Northern Erie; Genesee; Livingston; Ontario Severity: Moderate. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values in the upper 90s expected. For the Extreme Heat Watch, dangerously hot co

Small Craft Advisory — Eagle River to Manitou Island MI; Manitou Island to Point Isabelle MI Severity: Minor. Certainty: Likely. * WHAT...South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island t

Dense Fog Advisory — Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park; Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Bord

Small Craft Advisory — 5NM East of a line from Fairport MI to Rock Island Passage Severity: Minor. Certainty: Likely. * WHAT...South winds around 15 kt with gusts up to 20 kt and waves 3 to 5 ft occurring. * WHERE...5NM East of a line from Fairport MI to Rock Island Passage. *

Dense Fog Advisory — Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM Severity: Minor. Certainty: Likely. * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Gran

Small Craft Advisory — Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Chesapeake Bay from North Beach to Drum Point MD Severity: Minor. Certainty: Likely. * WHAT...South winds 10 to 20 kt with gusts up to 25 kt expected. *

Small Craft Advisory — Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA; Patuxent River to Broomes Island MD Severity: Minor. Certainty: Likely. * WHAT...Southeast winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...T

Extreme Heat Warning — Orange; Washington; Scott; Jefferson; Dubois; Crawford; Perry; Harrison; Floyd; Clark; Hancock; Breckinridge; Meade; Ohio; Grayson; Hardin; Bullitt; Jefferson; Oldham; Trimble; Henry; Shelby; Franklin; Scott; Harrison; Spencer; Anderson; Woodford; Fayette;

Small Craft Advisory — Tidal Potomac from Key Bridge to Indian Head MD; Patapsco River including Baltimore Harbor Severity: Minor. Certainty: Likely. * WHAT...South winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Tidal Potomac from Key Bridge to Indian Head MD and P

Small Craft Advisory — Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Drum Point MD to Smith Point VA; Chester River to Queenstown MD; Eastern Bay; Choptank River to Cambridge MD and the Little Choptank River; Tangier Sound and the inland waters surrounding Bloodsw

Heat Advisory — Ontonagon; Houghton; Baraga; Marquette; Alger; Luce; Gogebic; Iron; Dickinson; Menominee; Delta; Southern Schoolcraft; Southern Houghton; Northern Schoolcraft Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 108. * WHERE...Portions of centr

Extreme Heat Watch — Dorchester; Wicomico; Somerset; Inland Worcester; Westmoreland; Richmond; Northumberland; Lancaster; Middlesex; Western King William; Eastern King William; Western King and Queen; Eastern King and Queen; Western Essex; Eastern Essex Severity: Severe. Certaint

Heat Advisory — Caroline Severity: Moderate. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 106 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 111 possible. * WHERE...Caroline County. * WHEN...For the He

Extreme Heat Watch — Caroline Severity: Severe. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 106 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 111 possible. * WHERE...Caroline County. * WHEN...For the

Heat Advisory — Fluvanna; Western Louisa; Eastern Louisa; Western Hanover Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 106 expected. * WHERE...Eastern Louisa, Fluvanna, Western Hanover, and Western Louisa Counties. * WHEN...From 11 AM to 8 PM EDT Wedn

Small Craft Advisory — S of Oregon Inlet NC to Cape Hatteras NC out to 20 NM; S of Cape Hatteras NC to Ocracoke Inlet NC out to 20 NM Severity: Minor. Certainty: Likely. * WHAT...Seas 4 to 6 ft. * WHERE...The coastal waters from Oregon Inlet to Ocracoke Inlet. * WHEN...Until 5

Beach Hazards Statement — Southern Schoolcraft Severity: Moderate. Certainty: Likely. * WHAT...Dangerous swimming conditions are due to high wave action and strong rip currents. * WHERE...Southern Schoolcraft County. * WHEN...Through this evening. * IMPACTS...High wave action

Extreme Heat Warning — Marquette; Green Lake; Fond Du Lac; Sheboygan; Sauk; Columbia; Dodge; Washington; Ozaukee; Iowa; Dane; Jefferson; Waukesha; Milwaukee; Lafayette; Green; Rock; Walworth; Racine; Kenosha Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions

Extreme Heat Warning — Elkhart; Lagrange; Steuben; Noble; De Kalb; Starke; Pulaski; Marshall; Fulton; Whitley; Allen; White; Cass; Miami; Wabash; Huntington; Wells; Adams; Grant; Blackford; Jay; Northern La Porte; Eastern St. Joseph; Northern Kosciusko; Southern La Porte; Western

Severe Thunderstorm Warning — Blue Earth, MN; Brown, MN; Le Sueur, MN; McLeod, MN; Nicollet, MN; Renville, MN; Scott, MN; Sibley, MN Severity: Severe. Certainty: Observed. SVRMPX The National Weather Service in the Twin Cities has issued a * Severe Thunderstorm Warning for... S

Extreme Heat Warning — Mitchell; Howard; Winneshiek; Allamakee; Floyd; Chickasaw; Fayette; Clayton; Wabasha; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; Clark; Buffalo; Trempealeau; Jackson; La Crosse; Monroe; Juneau; Adams; Vernon; Crawford; Richland; Grant Severity: Sever

Heat Advisory — Taylor Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 98. * WHERE...Taylor County. * WHEN...Until 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur.

Small Craft Advisory — Seguam to Adak Bering Side from 15 to 85 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and

Small Craft Advisory — Unalga Pass to Nikolski Bering Side out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant spee

Small Craft Advisory — Seguam to Adak Pacific Side from 15 to 75 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed an

Small Craft Advisory — Nikolski to Seguam Pacfic Side out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and

Small Craft Advisory — Unalga Pass to Nikolski Bering Side from 15 to 85 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant

Small Craft Advisory — Nikolski to Seguam Bering Side from 15 to 85 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed

Small Craft Advisory — Unalga Pass to Nikolski Pacific Side out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant spe

Small Craft Advisory — Kiska to Attu Bering Side Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expecte

Small Craft Advisory — Adak to Kiska Bering Side Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expecte

Small Craft Advisory — Unimak Pass Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecas

Small Craft Advisory — Unalga Pass to Nikolski Pacific Side from 15 to 85 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant

Small Craft Advisory — Seguam to Adak Bering Side out to 15 NM Severity: Minor. Certainty: Likely. Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and dir