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Tag: december

Photo and Video Chronology — December 31, 2024 — Kīlauea summit eruption continues
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Photo and Video Chronology — December 31, 2024 — Kīlauea summit eruption continues

Here, a Hawaiian Volcano Observatory geologist takes images and measurements of lava fountain heights during the ongoing Kīlauea summit eruption on December 31, 2024; the eruption began on December 23 and has continued in episodic pulses. Geologists conduct shifts throughout the week to monitor the eruption and note any changes. On December 31, fountain heights reached approximately 80 feet (25 meters) and lava flows continued to cover the floor of Halemaʻumaʻu crater. Observatory staff wear personal protective equipment such gas masks to protect themselves from volcanic gas emissions that can quickly change with the winds and eruptive activity. USGS photo
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Flood Warning issued December 31 at 6:54PM CST by NWS Shreveport LA

...The Flood Warning continues for the following rivers in Arkansas...Louisiana... Bayou Dorcheat Near Springhill affecting Columbia and Webster Parishes. For the Bayou Dorcheat...including Springhill, Dixie Inn, Lake Bistineau...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Bayou Dorcheat near Springhill. * WHEN...Until further notice. * IMPACTS...At 13.0 feet, Minor lowland flooding of private boat ramps. Move livestock to higher ground. * ADDITIONAL DETAILS... - At 5:30 PM CST Tuesday the stage was 12.3 feet. - Bankfull stage is 11.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:30 PM
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Photo and Video Chronology — December 28 & 29, 2024 — Kīlauea summit eruption continues
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Photo and Video Chronology — December 28 & 29, 2024 — Kīlauea summit eruption continues

Maintenance of the Hawaiian Volcano Observatory's instrumental monitoring network is an ever-ongoing process, but it is especially important during eruptions. Here, two scientists perform repairs on a gas monitoring station located just west of Kaluapele—Kīlauea's summit caldera—on Saturday, December 28, 2024. An upward-looking spectrometer measures the amount of sulfur dioxide (SO2) passing over the station, and when combined with data from other similar instruments located downwind of the ongoing eruption within Halemaʻumaʻu crater, an approximate SO2 emission rate can be calculated. USGS photo by M. Zoeller.
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Frost Advisory issued December 31 at 9:11PM PST until January 1 at 9:00AM PST by NWS San Francisco CA

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...The Santa Clara Valley and Eastern Hills, The Salinas and Carmel Valleys and Hollister Area, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Valleys, and East Bay Interior Valleys. * WHEN...Until 9 AM PST Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...Parts of southern Monterey County could
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Special Weather Statement issued December 31 at 11:48PM EST by NWS Upton NY

At 1147 PM EST, Doppler radar was tracking strong thunderstorms along a line extending from 11 miles north of Wading River to 9 miles southeast of Mastic Beach. Movement was northeast at 40 mph. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible. Locations impacted include... Riverhead, Shirley, Southold, Manorville, Middle Island, Wading River, Center Moriches, Mattituck, Southampton, Westhampton, Sag Harbor, Bridgehampton, Plum Island, Mastic, and Rocky Point.
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Winter Storm Warning issued December 31 at 9:18PM MST until January 2 at 5:00PM MST by NWS Grand Junction CO

* WHAT...Heavy snow. Total snow accumulations between 8 and 16 inches with locally higher amounts possible. Winds gusting as high as 35 mph. * WHERE...Elkhead and Park Mountains. * WHEN...From 2 PM Wednesday to 5 PM MST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes.
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Winter Weather Advisory issued December 31 at 9:18PM MST until January 2 at 5:00PM MST by NWS Grand Junction CO

* WHAT...Snow expected. Total snow accumulations between 5 and 8 inches with locally higher amounts. Winds gusting as high as 35 mph. * WHERE...Flat Tops and Gore and Elk Mountains/Central Mountain Valleys. * WHEN...From 2 PM Wednesday to 5 PM MST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes. Vail Pass will become snow and ice packed making driving difficult especially heading up to the summit.
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