ELEVATED & LIMITED Severe Thunderstorm Risk, Days 2 and 3, parts OK, MO, AR, TN, TX, LA & MS (Day 2); TN, LA, MS, AL, FL & GA (Day 3). For Day 2 (Monday), there is also an ELEVATED Risk of High Winds, LIMITED Risk of Hail, and a Risk of LARGE TORNADOS. ELEVATED Fire Risk, Day 2, parts TX. Heavy Snow from 2” up to 18” possible across North Central Region from Monday through Wednesday AM. Light to Moderate Ice Accumulation from 1/4” up to nearly 1/2” possible across parts KS, NE, SD, MN, IA, WI, MI Upper Peninsula, and NH from Monday thru Wednesday.
Sidney Sperry
(01 Jan 2023 13:41 UTC)
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ELEVATED RISK of Severe Thunderstorms, Day 1, parts OK, MO, AR, TN, MS, LA & TX, including Elevated High Wind Risk, Limited Hail Risk, and Large Tornados Risk. ELEVATED RISK of Severe Thunderstorms, Day 2, parts LA, MS, FL & AL, including Limited High Wind Risk & Large Tornados Risk. LIMITED Severe Thunderstorm Risk, Day 3, parts TN, LA, MS, AL, FL & GA. ELEVATED Fire Risk, Day 2, parts TX. Snow from 2” to 18” in North Central Region. Max Ice in NWS Grids: 0.62” parts northeast NE, northwest IA. SPIA Index Ice Impact Forecast now at Levels 1 thru 4 parts CO, KS, NE, SD, MN, IA & WI.
Sidney Sperry
(02 Jan 2023 08:41 UTC)
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Severe Thunderstorms continue tonight across parts OK, TX, LA, AR, MO, KS, TN, KY and MS. Risks include heavy rain, high winds, hail and some large tornados are possible. Tornado Watch in effect currently for parts KS, OK, TX, LA, AR, & MO. System will continue moving east over next 36 to 48 hours. Snow up to 25.31” in parts North Central Region. Ice Accumulations up to 0.62” are currently being forecast by the NWS. The current SPIA Index Ice Impact Forecast is at Levels 1 thru 3 in parts CO, KS, NE, SD, MN, IA and WI.
Sidney Sperry
(03 Jan 2023 00:09 UTC)
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COD Mosaic Radar as of 7am CST 1/3/2023. Current NWS Watches, Warnings & Advisories. Note TORNADO WATCH & FLASH FLOOD WARNINGS parts KY, TN, AR, MS & LA. TORNADO WARNING parts southeast AR. ICE STORM WARNINGS parts MN, IA & NE. WINTER STORM WARNINGS parts CA, CO, NE, SD, MN & WI. Heavy Snow from 2” to 15”+ parts North Central Region. Max Ice in NWS Grids: 0.41” parts northern NY. Current SPIA Index Ice Impact Forecast: Levels 1 thru 4 parts OR, IA, MN, WI, NY, VT, NH & ME.
Sidney Sperry
(03 Jan 2023 13:54 UTC)
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Next wave of impactful weather entering the West Coast tonight. Heavy rain, heavy snow in higher elevation areas. High Wind Warnings parts WA, OR, CA, WY. Winter Storm Warnings parts CA. Winter Weather Advisories parts WA, OR, NV, IA, MN, WI, MI Upper Peninsula, NY, VT, MA, NH & ME. Max Total QPF: 10.91” Max Snow: 113.9” Max Ice in NWS Grids: 1.36” higher elevation areas of WA. SPIA Index Levels 1 thru 5 parts WA; Levels 1 thru 3 parts OR & NY; Levels 1 thru 4 parts VT; Levels 1 & 2 in NH.
Sidney Sperry
(05 Jan 2023 02:29 UTC)
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Torrential Rains and Heavy Snowfall continue in parts CA, OR & WA due to “bomb cyclone” off West Coast. System moving inland will soon impact NV, UT, AZ, ID. High Wind Warnings parts WA, OR, CA, NV & WY. Winter Storm Warnings parts CA, NV & UT. Winter Weather Advisories parts WA, NV, WY, MN, WI, NY, VT, NH, MA, ME
Sidney Sperry
(05 Jan 2023 12:15 UTC)
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Winter Storm Warnings continue in parts CA & UT. High Wind Warnings, High Wind Watch and Wind Advisories parts OR, CA, WY & NM. Winter Weather Advisories parts MT, ID, UT, WY, CO, VT, NH & MA. Dense Fog Advisories parts MT, ND, SD, MN & IA. Max Ice in NWS Grids: 0.57” parts nw WA. SPIA Index Levels 1 thru 3, WA.
Sidney Sperry
(06 Jan 2023 13:00 UTC)
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“Atmospheric River” forecast to bring heavy rains and heavy, wet snow to parts CA, NV, OR & WA over next 48 hours. Light snow from 1/2” to 2” possible further east, from MO & IL into IN, OH, WV, VA, PA, MD, NJ, NY, VT, NH & ME. Light icing in the Northwest Region and Northeast Region over next 12 to 36 hours. Max ice in NWS Forecast Grids: 0.17” parts OR & WA, up to 0.13” parts MO, IN, KY, WV, VA, MD & PA. SPIA Index Ice Impact Forecast: Levels 1 & 2, higher elevation areas of OR.
Sidney Sperry
(07 Jan 2023 14:27 UTC)
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Heavy Rain & Flash Flooding parts TX, LA, MS & AL this morning. Heavy Rain & Snow across northern CA. Flash Flood Warnings parts TX & LA. Winter Storm Warning parts CA. High Wind Warnings, High Wind Watch & Wind Advisories parts WA, OR, CA, NV & WY. Winter Weather Advisories parts MD, WV, VA & NC. More ice accumulation for parts MD, WV, VA & NC. Max ice in NWS grids: 0.39” parts WV, VA. SPIA Index Ice Impact Forecast: Levels 1 & 2 parts WV & VA; Level 1 parts WA & OR.
Sidney Sperry
(08 Jan 2023 11:02 UTC)
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West Coast storms begin moving east into North & South Rockies Regions, bringing snow and high winds to parts WA, OR, IF, MT, WY, NV, UT & AZ. Dense Fog and Freezing Fog Advisories this morning in parts SD, MN, LA, ME, AR, TN, MS & SC. MARGINAL Severe Thunderstorm Risk, Days 1 thru 3, parts CA, OK, TX, MO, AR, LA, IL, KY, TN & MS. ELEVATED Fire Risk, Day 2, parts NM & TX.
Sidney Sperry
(09 Jan 2023 15:00 UTC)
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CA continues to be battered by heavy rains, intense flooding, heavy snow in higher elevation areas. ELEVATED Fire Risk, Days 1 & 2, parts NM, TX, OK. LIMITED Severe Thunderstorm Risk, Day 3, parts TN, AL, FL & GA. Max Ice in NWS Grids: 0.208” parts NH. SPIA Index Levels 1 thru 3, northern NH, northeastern NY…
Sidney Sperry
(10 Jan 2023 14:16 UTC)
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Current NWS Watches, Warnings & Advisories. Note Winter Storm Warnings in parts UT & WY. Flood Watch parts northern CA. High Wind Warnings parts WA, OR, CO, NM, TX, OK & KS. Red Flag Fire Warnings parts NM, TX & OK. Winter Weather Advisories parts WA, CA, ID, UT, WY, CO, MN, WI & MI Upper Peninsula. LIMITED Severe Thunderstorm Risk, Day 2, parts TN, AL, GA, SC & NC. Includes LIMITED High Wind Risk. ELEVATED to CRITICAL Fire Risk, Day 1, parts NM, TX & OK. Max Ice in NWS grids: 0.50” parts NY, VT, NH. Current SPIA Index Forecast: Levels 1 - 4.
Sidney Sperry
(11 Jan 2023 13:26 UTC)
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More Heavy Rain for northern CA. High Wind Warnings parts WA, OR, OK & TX. Wind Advisories parts CA, OR, WA, OK, TX, MS, AL, FL. Red Flag Fire Warnings parts NM, TX & OK. Dense Fog Advisories parts MT, SD & IN. LIMITED Severe Thunderstorm Risk, Day 2 (Thursday afternoon thru Friday morning), parts TN, AL, GA, SC & NC, including LIMITED High Wind Risk. ELEVATED to CRITICAL Fire Risk, Day 1 (thru Thursday morning), parts NM, TX & OK. From 2” up to 12” SNOW possible parts KY, WV, TN, VA & NC. From 3” to 18” SNOW parts NY, VT, NH, ME. Max Ice in NWS grids: 0.68” parts NY. SPIA Index Levels 1 thru 4 parts NY, VT, NH.
Sidney Sperry
(12 Jan 2023 02:17 UTC)
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Severe Thunderstorms w/some Tornadoes possible today across parts IN, OH, KY, IL, TN, MS & AL. ELEVATED Risk for Severe Thunderstorms today, including ELEVATED High Wind Risk and LIMITED Hail Risk, parts TN, AL, GA & SC. SNOW possible Thursday night thru late Friday into early Saturday morning parts ME, NH, VT, NY, OH, PA, WV, VA, KY, TN & NC. From 2” up to 12”+ in Higher Elevation areas of TN, KY, WV, VA & NC. From 4” to 18” snow possible parts NY, VT, NH & ME. Max Ice in NWS grids: 0.55” parts NY, VT, NH. SPIA Index Ice Impact Forecast: Levels 1-4
Sidney Sperry
(12 Jan 2023 14:52 UTC)
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Fast-moving thunderstorms race across Southeast Region tonight. Snow in forecast for parts ME, NH, VT, NY, OH, PA, WV, KY, VA, TN, NC. Max Ice in NWS grids: 0.39” parts northern ME. SPIA Index Levels 1 thru 3, parts NY, VT, NH & ME. NWS Forecast Low Temperatures at 6am CST Friday, Saturday, Sunday & Monday, January 13-16.
Sidney Sperry
(13 Jan 2023 04:30 UTC)
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“Atmospheric River” still bringing more rain and snow to CA and Western Region states. Winter Storm Warnings parts CA, NV, UT, AZ, CO & NC. Winter Weather Advisories parts WA, ID, MT, CA, NV, UT, CO, AZ, NM, KY, WV, TN, NC, VA & ME. High Wind Warnings parts WY, NM & TX. Wind Advisories parts OR, CA, NV, AZ, WY, NM. ELEVATED to CRITICAL Fire Risk, Days 1 & 2 (Saturday & Sunday), parts NM, TX, OK & KS. Max Ice in NWS Grids: 0.31” parts eastern ME. SPIA Index Levels 1 & 2.
Sidney Sperry
(14 Jan 2023 10:51 UTC)
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Increasing probabilities of freezing rain and ice accumulations over next 72-hours across Northwest Region, North Central Region, northern KS, and the Northeast Region, with heaviest amounts in eastern Maine. Max Ice in NWS Grids: 0.76” parts eastern ME. Current SPIA Index Forecast: Levels 1 thru 3, parts eastern ME. Also, heavy snow is forecast for parts northeastern CO, southern NE, northern & northwestern KS on Tuesday into Wednesday. From 8” up to 11” snow possible. Meanwhile, ELEVATED to CRITICAL Fire Risk continues for parts NM, TX, OK, KS & CO through Tuesday morning. Strong sustained winds/low humidity driving risk up.
Sidney Sperry
(16 Jan 2023 02:35 UTC)
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Current COD Mosaic Radar. Current NWS Watches, Warnings & Advisories. Note Winter Storm Warnings parts CA, NV, AZ, UT, CO & ME. Winter Storm Watch parts CO, WY, NE, KS & IA. Winter Weather Advisories parts MT, CA, NV, WY, UT, AZ, CO, NM, SD, MN, WI, MI Upper Peninsula, NH, MA & ME. Freeze Warnings & Frost Advisories parts GA & FL. Wind Advisories parts CA, AZ, NM, TX, OK, KS, MO & AR.
Sidney Sperry
(16 Jan 2023 11:15 UTC)
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Latest COD Mosaic Radar. Latest NWS Watches, Warnings & Advisories. Note Winter Storm Warnings parts CA, NV, UT, AZ, WY, CO, NM, NE & ME. Winter Storm Watch parts CO, KS, WY, NE, SD & IA. LIMITED Severe Thunderstorm Risk, Day 3 (Wednesday), parts AR, TX, LA & MS. ELEVATED to CRITICAL Fire Risk, Days 1 & 3, parts OK & TX. HEAVY SNOW from 4” to 12” possible Tuesday evening thru Thursday morning parts WY, CO, NE, KS, SD, IA, MN, WI & MI Upper Peninsula. Max Ice in NWS Grids: 0.25” parts northeast NY. SPIA Index Levels 1 & 2, parts NY; Level 1 in parts NE & KS…
Sidney Sperry
(17 Jan 2023 01:16 UTC)
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After effects of “Atmospheric River” move from CA into Central U.S. Winter Storm Warnings parts NV, AZ, WY, UT, CO, NM, NE & KS. Heavy Snow on Wednesday into Thursday for parts CO, NE & KS, then into IA, MN, WI & MI Upper Peninsula. High Wind Watch and Fire Weather Watch parts NM & TX. LIMITED Severe Thunderstorm Risk, Day 2 (Wednesday), parts KY, MO, AR, TN, TX, LA, MS & AL, along with LIMITED High Wind Risk. ELEVATED to CRITICAL Fire Risk, Days 2 & 3, parts NM, TX & OK. From 4” to 12”+ Snow possible parts WY, CO, NE, KS, SD, MN, IA, WI & MI. Max Ice in NWS Grids: 0.25” parts WA; 0.23” parts NE & KS. SPIA Index Level 1.
Sidney Sperry
(17 Jan 2023 12:26 UTC)
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Winter Storm Warnings now for parts CA, UT, AZ, WY, CO, NM, SD, NE, KS, MN, IA. High Wind Warnings & Wind Advisories parts NM, TX & LA. HEAVY SNOW parts WY, CO, SD, NE, KS, MN, IA, WI, MI & MI Upper Peninsula. Max Ice in NWS Grids: 0.30” parts south-central NE, north-central KS. SPIA Index Levels 1 & 2.
Sidney Sperry
(17 Jan 2023 22:50 UTC)
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Continental U.S. (CONUS) weather forecasts over next 72-hours. Current NWS Watches, Warnings & Advisories. Note Winter Storm Warnings parts CO, NM, KS, NH & ME. Winter Weather Advisories parts MT, NV, UT, AZ, CO, NM, OK, KS, PA, NY, VT, MA, NH & ME. High Wind & Wind Advisories parts MT, NV, CA, PA, MD, WV, VA & NC. Rainfall from 1” to 2.5” parts Southeast Region over next 72-hours; Snowfall from 3” up to 15”+ forecast for parts CO, NM, KS, WV, PA, NY, VT, MA, NH & ME. Light icing to 0.24” parts OK, TX, NC, NY, VT, MA, NH & ME. SPIA Index Level 1, NY.
Sidney Sperry
(20 Jan 2023 11:21 UTC)
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Active weather week ahead. Strong to Severe Thunderstorms w/damaging winds, hail & tornadoes possible Tuesday into Wednesday for parts TX, LA, MS, AL & FL. ELEVATED Fire Risk, parts south TX. HEAVY SNOW Monday night thru Wednesday night across parts NM, TX, OK, AR, MO, IL, IN, MI, OH, PA, WV, NY, MD, MA, VT, NH & ME. FREEZING RAIN & ICE ACCUMULATION on Tuesday thru Wednesday across parts IN, OH, KY, WV, VA, MD & PA. Max ICE in NWS grids: 0.30” parts WV. Current SPIA Index Ice Impact Forecast: Levels 1 thru 3, parts WV, KY, OH, VA & MD.
Sidney Sperry
(23 Jan 2023 10:26 UTC)
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Extremely active weather pattern over central & eastern half of the U.S. next 72-hrs. Heavy SNOW from eastern NM thru parts TX, OK, AR, MO, IL, IN & OH. ELEVATED Severe Thunderstorm Risk parts TX, LA, MS, AL & FL panhandle, including ELEVATED High Wind Risk, LIMITED Hail Risk, and some LARGE TORNADOES possible today through Wednesday AM. LIMITED Severe Thunderstorm Risk, Day 2. ELEVATED to CRITICAL Fire Risk, Day 1, parts south TX. Max ICE ACCUMULATION in NWS grids: 0.33” parts eastern WV. SPIA Index Levels 1 thru 4 parts WV, VA, MD, PA, NH & ME…
Sidney Sperry
(24 Jan 2023 11:40 UTC)
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Severe Thunderstorms w/High Winds, Hail & some Tornadoes continue this AM in South & Southeast Regions. Snow from 2” to 16”+ across parts MO, IL, IN, WI, MI, OH, PA, NY, MA, VT, NH & ME. Freezing Rain & Ice Accumulation up to 0.32” possible for parts WV, VA, MD, PA, NY, MA, VT, NH & ME. Current SPIA Index Ice Impact Forecast: Levels 1 thru 3, parts WV, VA, MD, PA, NY, MA, VT, NH & ME…
Sidney Sperry
(25 Jan 2023 13:50 UTC)
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Freezing Rain and Heavy Snow across parts NH & ME today. Winter Storm Warnings for parts WY, CO, MD, NY, VT, NH & ME. High Wind Warnings and Wind Advisories parts WA, OR, CA, NV, MT, ND, SD & WY. Winter Weather Advisories and Winter Storm Watches for parts WA, OR, ID, MT, WY, CO, ND, SD, IN, MI, OH, PA, WV, NY, VT.
Sidney Sperry
(26 Jan 2023 12:36 UTC)
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RE: Freezing Rain and Heavy Snow across parts NH & ME today. Winter Storm Warnings for parts WY, CO, MD, NY, VT, NH & ME. High Wind Warnings and Wind Advisories parts WA, OR, CA, NV, MT, ND, SD & WY. Winter Weather Advisories and Winter Storm Watches for
Ducsai, John
(26 Jan 2023 12:39 UTC)
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Current NWS Watches, Warnings & Advisories. Note Ice Storm Warning in parts AR, TN & MS and Winter Storm Warning in parts WY, CO, TX & OK. Winter Weather Advisories parts CA, MT, NV, UT, AZ, WY, CO, TX, OK, AR, MO, IL, IN, KY, TN, MS, OH, WV & NY. Wind Chill Warning parts ND, SD, MN, ID, UT & WY. Wind Chill Advisories parts WA, OR, CA, NV, MT, WY, CO, ND, SD, NE, KS, OK, TX, MN, IA, WI.
Sidney Sperry
(30 Jan 2023 11:44 UTC)
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ROUND #2 OF 3: Current COD Mosaic Radar. Current NWS Watches, Warnings & Advisories. Winter Storm Warnings parts TX, OK, AR, MO, IL, IN, KY & TN. Ice Storm Warnings parts AR, MS & TN. Wind Chill Warnings parts ID, UT, WY. Wind Chill Advisories parts NV, MT, WY, ND, SD, NE, CO, KS, MN, IA, WI & IL. Freezing Fog & Dense Fog Advisories for much of the Southeast Region.
Sidney Sperry
(31 Jan 2023 11:40 UTC)
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RE: ROUND #2 OF 3: Current COD Mosaic Radar. Current NWS Watches, Warnings & Advisories. Winter Storm Warnings parts TX, OK, AR, MO, IL, IN, KY & TN. Ice Storm Warnings parts AR, MS & TN. Wind Chill Warnings parts ID, UT, WY. Wind Chill Advisories parts
Ducsai, John
(31 Jan 2023 11:42 UTC)
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