U.S. NATIONAL WEATHER OUTLOOK
SUN APR 30, 2017
...There is a Slight Risk for severe weather over portions of the Deep South, Mid-MS & OH Valley, and Great Lakes... ...Widespread flash flooding will continue through tonight over portions of the Southern Plains and Lower & Mid-MS Valley... ...Snow to fall over the Rockies, Plains, and Upper MS Valley this morning through Mon morning...
There is a Slight Risk of organized severe thunderstorms today across the eastern half of LA, MS, the western half of AL, the far western FL Panhandle, the western half of TN & KY, far eastern portions of AR & MO, much of IL & IN, northwestern OH, and southern MI. The main threats with these storms will be isolated damaging wind gusts and isolated large hail. An isolated tornado or two is also possible.
Widespread flash flooding was reported overnight across eastern OK, western & northern AR, southern MO, and southern IL. Additional rounds of moderate to heavy rain is falling in these areas this morning and this rain will continue through tonight before completely coming to an end. Ongoing rises on creeks, streams, and main stem rivers will continue throughout the day before the waters slowly recede over the next several days. Moderate to Major River Flooding is ongoing/expected in these areas today and over the new few days. The heaviest additional rainfall amounts of 1-3 inches today is likely to fall across the eastern half of LA, MS, eastern AR, western TN, southeastern MO, and southern IL. In these areas, significant flash flooding of urban, low-lying, and poor drainage areas can be expected. Significant impacts to travel are likely in these areas due to numerous road closures, especially near intersections, on/off ramps, underpasses, and low water crossings.
Snow is expected across the plains of eastern CO, the TX/OK Panhandles, western KS, central NE, eastern SD, and western & northern MN this morning through Mon morning. The heaviest storm total amounts of 8-16 inches are expected to fall in the far northwestern TX/OK Panhandles, the plains of eastern CO, and western KS. Lesser amounts of 3-7 inches are forecast elsewhere in this region. Roads may become slick, slushy, and briefly snow covered during the periods of heaviest snow resulting in hazardous travel. Blizzard conditions are expected in the plains of eastern CO and western KS this morning before the winds begin to slowly taper off this afternoon & evening.
Elsewhere in the US, generally quiet weather is expected today.
- All Hazard Training, a Division of Early Alert, will be showcasing information regarding their new "Incident Management Team Sustainment Exercise Program" at the National Hurricane Conference April 18 and 19, 2017 in New Orleans, LA.
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