Date Index - December 2023 - sw-storm-coordinators@feca.simplelists.com

01 Dec 2023 13:06 UTC Current NWS Watches, Warnings & Advisories. Winter Storm Warnings parts WA, ID, MT, OR, NV, UT, WY, CO, AZ & NM. High Wind Warnings parts MT & WY. Current COD Mosaic Radar as of 6am CST. MARGINAL Severe Thunderstorm Risk, Days 1 & 2, parts TX, LA, MS, AL, FL & GA. Latest U.S. Drought Monitor maps show 5 states with some areas of D4 Exceptional Drought: NM, NE, TX, LA and MS. Sidney Sperry
02 Dec 2023 13:38 UTC Current NWS Watches, Warnings & Advisories. Note Flood Watch in parts AL & FL. High Wind Warnings parts CO, WY & MT. Winter Storm Warnings parts WA, OR, ID, MT, WY, NV, UT & CO. Up to 115” of Snow over next 72-hrs in Cascade Range of WA & OR. LIMITED Severe Thunderstorm Risk, Day 1, parts southern AL & FL panhandle. Flooding and Flash Flooding possible there. Sidney Sperry
04 Dec 2023 12:41 UTC Latest NWS Watches, Warnings & Advisories: Flood Warning & Flood Watch parts WA & OR. Up to 16”+ rainfall possible in parts of WA & OR over next 72-hours. Winter Weather Advisory parts WA, ID, MT, CO, VT, NH & ME. Winter Storm Warning parts WY, CO, NY, VT, NH & ME. Up to 200”+ snow possible over next 72-hours in higher elevations of Cascades in WA & OR. High Wind Warnings parts MT, SD & WY. Sidney Sperry
10 Dec 2023 11:43 UTC Latest NWS Watches, Warnings & Advisories: Severe thunderstorms continue in parts of the southeastern U.S.; Tornado Watch parts FL, AL & GA. High Wind Advisories parts MT, CA, WY, CO, NM, LA, GA & SC. Winter Storm Warning parts WA, ID, WV, NY, VT & NH. Winter Storm Watch parts WA, OR, ID, MT, WY, CA, NC, WV, VA, MD, PA, NY, NJ. Flood Watch parts MD, DE, NJ, PA, NY, NH, CT, RI & ME. Red Flag Fire Warning parts southern CA. Tornado Warning parts eastern AL… Sidney Sperry
11 Dec 2023 12:45 UTC Latest NWS Watches, Warnings & Advisories: Freeze Warnings this AM in parts central CA & southern TX. Winter Storm Warnings parts WV, MD, NY, VT, NH & ME. Winter Weather Advisory parts MT, NC, WV, PA, NY, CT, MA, NH & ME. Frost Advisory parts southeastern GA & northeastern FL. Dense Fog Advisory parts ND & MN. Flood Watch and Flood Advisories parts PA, NJ, CT, RI, MA, NH & ME… Sidney Sperry
12 Dec 2023 12:46 UTC Latest NWS Watches, Warnings & Advisories. Much-needed RAIN over next 3 days (72-hrs, to 6am Friday, 12/15/23) for parts CO, KS, NM, OK & TX, plus heavy SNOW in parts CO, NM & NY. Up to 0.13” ICE Accumulation being forecast over next 72-hrs in parts WY, CO & NE. Current SPIA Index Ice Impact Forecast for Utilities is Level 0. From 3” up to 12” snow possible parts northeastern NM, could cause travel issues. Sidney Sperry
18 Dec 2023 11:51 UTC Latest NWS Watches, Warnings & Advisories: Heavy Rain continues across the Northeast Region this AM. Multiple Flood Warnings & Flash Flooding Warnings. Winter Storm Warnings parts MI, IN, OH, WV, PA, NY & NH. Strong Winds continue across SC, NC, WV, VA, MD, DE, PA, NJ, NY, CT, RI, MA, VT, NH & ME. Next storm system early week brings heavy rain and snow to northern CA and Sierra-Nevadas. Sidney Sperry
20 Dec 2023 11:15 UTC Still about 315,000 power outages this morning across parts of Maine, New Hampshire, Massachusetts, Connecticut and Ohio, most related to the recent Nor’easter storm which brought from 8” to 10” rainfall totals, widespread flooding, and 60 to 90 mph wind gusts from Florida to Maine. Next major storm system to impact parts of the Southwest Region over the next 3 days. Up to 11” rain possible. Sidney Sperry
20 Dec 2023 11:28 UTC RE: Still about 315,000 power outages this morning across parts of Maine, New Hampshire, Massachusetts, Connecticut and Ohio, most related to the recent Nor’easter storm which brought from 8” to 10” rainfall totals, widespread flooding, and 60 to 90 mph w Ducsai, John
23 Dec 2023 19:03 UTC Severe Thunderstorms possible today parts southwest TX. Limited Risk of High Winds and Hail. Winter Storm Warning parts AZ, CO, NM. Winter Weather Advisory & Winter Storm Watch parts MT WY, SD, NE, UT, CO, KS, AZ & NM. Heavy SNOW possible parts SD & NE next 72-hrs. Freezing Rain & Ice Accumulation possible parts WA, OR, ND, SD, NE, KS, MN, IA, MI, PA, NY, VT & NH next 72-hrs. Max ice in NWS grids: 0.22” parts MN & SD. SPIA Index Ice Impact Forecast: Levels 1 & 2. Sidney Sperry
24 Dec 2023 11:23 UTC Latest (4:35am CT) NWS Watches, Warnings & Advisories: Blizzard Warnings parts SD & NE. Winter Storm Warning parts CO. Winter Storm Advisory & Winter Storm Watch parts WY, CO, SD, NE, KS, NM, NY & NH. Flood Warning parts north TX. Up to 20” snow possible across parts SD & NE over next 72-hrs. Max ICE in NWS grids: 0.49” parts northeast SD. SPIA Index Levels 1 thru 3, parts ND, SD, MN & IA. Sidney Sperry
25 Dec 2023 14:52 UTC ICE STORM WARNING for today and tomorrow, parts ND, SD and MN. Max ice in NWS forecast grids: 0.72” in parts northeast SD. SPIA Index Levels 1 through 3 in parts ND, SD, MN & IA. Max Ice in NWS grids in WA: 0.89” higher elevations. SPIA Index Levels 1 through 5 parts southwestern WA. BLIZZARD WARNING across parts SD, NE & northern KS. Up to 20” snow possible over next 48 hours. HEAVY RAIN for parts of Southeast Region (6” +) and Northwest Region (7.5” +) next 72-hours… Sidney Sperry
26 Dec 2023 12:29 UTC Latest NWS Watches, Warnings & Advisories: Blizzard Warning, Ice Storm Warning and Winter Storm Warning parts ND, SD, WY, NE, CO & KS. Ice Storm Warning parts WA. High Wind Warning parts OR, CA, WY & CO. Winter Weather Advisory parts WA, ID, OR, CA, ND, SD, WY, NE, CO, KS, MN & MI Upper Peninsula. Flood Watch parts GA, SC, NC & VA. Sidney Sperry
27 Dec 2023 12:48 UTC Latest NWS Watches, Warnings & Advisories: Blizzard Warning, parts CO; Winter Storm Warning parts WY & NE; Winter Weather Advisory parts WY, SD, NE, CO, KS, IA & MO; High Wind Warning parts OR & CA. Dense Fog Advisories this morning for parts MN, WI, MI, IN, KY, AL, FL, SC, NJ, NY, VT & MA. Next storm system begins in West today, with heavy rain in CA. Patchy Snow in parts North Central U.S. Morning Low Temps (6am CT) today through Saturday. Recap of North Central Winter Storm. Sidney Sperry
28 Dec 2023 13:38 UTC Day 4 of Ice Storm related outages in North Dakota and several North Central Region states. Snow and snow flurries persist in parts of the North Central & Northeast Regions today, with some snow also possible in parts of the South Central and Southeast Regions. Rain and Thunderstorms over next 48 hours in parts CA, FL, CT, RI & MA. Up to 2/10” ice accumulation possible in northern ME. SPIA Index Level 1, north-central ME. Sidney Sperry
31 Dec 2023 12:36 UTC A fairly quiet and calm beginning to 2024, weather-wise. Winter Weather Advisories for parts ID, MT, WI, MN, IA, IL & IN, where light snow accumulations up to 2” are possible, with up to 1/10” freezing rain also in the forecast for parts WA, ID, WI, MN, IA, IL, IN & MI. SPIA Index is currently at Level 0. Freeze Warning this morning for parts southern GA and northeast FL. Temp Forecasts for CONUS are at Noon CT for today (12/31/23), New Year’s Day (1/1/24) and January 2, 2024… HAPPY NEW YEAR! Sidney Sperry
31 Dec 2023 20:31 UTC Recapping the Top 10 Weather & Climate Events of 2023… Sidney Sperry
31 Dec 2023 21:01 UTC Re: Recapping the Top 10 Weather & Climate Events of 2023… Ducsai, John
31 Dec 2023 21:40 UTC Re: Recapping the Top 10 Weather & Climate Events of 2023… Craig Moeller