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Tornadoes are fast-moving and unpredictable
Tornadoes are fast-moving and unpredictable, with winds that can devastate buildings and hurl debris over long distances. Survivors often face immediate dangers from collapsing structures, flying debris, and power outages. Preparedness involves identifying safe indoor areas, such as basements or interior rooms without windows, and creating go-bags with essential supplies, including food, water, and flashlights. With SimpliGO, users can access tornado preparedness programs from agencies like the National Weather Service (NWS), offering advice on how to shelter in place and protect their families. Through its RSS News Feeds, the app keeps users updated on tornado warnings and weather developments in their area, allowing them to act quickly. The app also helps users locate local stores to purchase emergency supplies like tarps, tools, and backup lighting.
Storm Prediction Center
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SPC - No watches are valid as of Wed Jun 24 12:59:01 UTC 2026
No watches are valid as of Wed Jun 24 12:59:01 UTC 2026. -
SPC - No MDs are in effect as of Wed Jun 24 12:59:01 UTC 2026
No Mesoscale Discussions are in effect as of Wed Jun 24 12:59:01 UTC 2026. -
SPC Jun 24, 2026 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0755 AM CDT Wed Jun 24 2026 Valid 241300Z - 251200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL HIGH PLAINS... ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF UTAH AND PORTIONS OF WISCONSIN INTO NORTHERN ILLINOIS... ...SUMMARY... Widely scattered but intense severe thunderstorms should occur this afternoon and evening across parts of the central High Plains, with a threat for large to very large hail, severe wind gusts, and perhaps a couple of tornadoes all possible. ...Central/Southern High Plains... Post-frontal low-level moisture will remain over the central High Plains today. As daytime heating occurs and low-level clouds present this morning gradually erode, 2000-3000 J/kg of MLCAPE should develop by mid to late afternoon in a narrow corridor across northeast CO into southeast WY. This instability will also be aided by the presence of steep mid-level lapse rates. Thunderstorms should eventually develop this afternoon across much the region as strong mid-level west-northwesterly flow associated with a shortwave trough over the northern Plains overspreads the central Rockies/High Plains. The highest convective coverage is anticipated from south-central/southeast WY into northeast/east-central CO, where buoyancy should be maximized. Deep-layer shear will be rather strong, with values up to 50-60 kt. These conditions will support the potential for intense supercells capable of large to very large hail (isolated 2-4 inches in diameter possible). Notable low-level curvature of the hodograph could support a tornado or two in this region as well. Eventual upscale growth into a southeastward-moving MCS capable of producing severe winds is probable into eastern CO/western KS this evening, with some 75+ mph gusts possible. Lower thunderstorm coverage is anticipated farther south into the southern High Plains, with warmer temperatures and higher cloud bases suggesting a predominantly outflow-dominant mode. Strong to severe gusts will be the primary risk, although isolated hail may also occur. ...Upper Midwest... A belt of 40-50 kt westerly mid-level flow will overspread WI and vicinity today as a weak shortwave trough moves across the Upper Midwest and Great Lakes through the period. Extensive cloudiness is prevalent across WI this morning, which will delay daytime heating to some extent. But, seasonably cool temperatures aloft will aid up to around 1000-1500 J/kg of MLCAPE through peak afternoon heating along/ahead of a weak cold front. Current expectations are for scattered to numerous thunderstorms to develop this afternoon with moderate to locally strong deep-layer shear providing support for updraft organization. A mix of multicells and supercells should pose a threat for severe hail and damaging winds as they spread east-southeastward through the afternoon and evening before eventually weakening. Enough confidence exists in this scenario occurring to include greater severe hail probabilities and a corresponding Slight Risk. ...Great Basin/Four Corners... Current surface observations indicate rather dry conditions across the Great Basin/Four Corners regions this morning. Still, greater low/mid-level moisture is forecast to advect northeastward through the day as a weak mid-level shortwave trough advances east-northeastward from the lower CO River Valley across the Great Basin. The boundary layer is expected to become very well mixed with strong daytime heating that will occur this afternoon, with weak instability present. Modestly enhanced mid-level flow will aid in northeastward thunderstorm motions, and some potential exists for strong/gusty outflow winds across a large area this afternoon and early evening. Have maintained the Slight Risk for severe winds across parts of UT with no changes, as this area still appears to have the best overlap of low-level moisture/instability and scattered to numerous thunderstorm coverage. ...Southern Plains into the Lower Mississippi Valley... Mainly elevated thunderstorms are ongoing this morning across northern OK/southern KS, likely aided by weak low-level warm advection. Recent radar imagery suggests this activity may be acquiring an MCV circulation. This feature should track southeastward towards the ArkLaTex through the day, generally along and north of a surface front stalled near the Red River. Eventual re-strengthening of convection may occur, even though deep-layer flow and related shear should remain rather modest. Isolated hail and damaging winds may occur with the strongest cores that form, but the potential for a more organized bowing complex is uncertain. Farther south into the lower MS Valley, additional thunderstorms may form this afternoon ahead of the ongoing convection in northern LA in a moderately to strongly unstable airmass. While flow through the troposphere is expected to remain fairly modest with southward extent across this region, some loosely organized clusters could pose an isolated threat for damaging winds as they spread towards the central Gulf Coast through the early evening. ...Florida... Morning visible satellite imagery shows mostly clear skies across the FL Peninsula. A moist low-level airmass with surface dewpoints in the low to mid 70s is in place along/south of a front draped across north FL. While low/mid-level winds will remain weak today, cool mid-level temperatures and ample daytime heating will support the development of moderate to locally strong instability this afternoon. Scattered to numerous pulse-type thunderstorms are expected to develop across the interior FL Peninsula and Atlantic Coast sea breeze, with occasional damaging winds possible given steepened low-level lapse rates. ..Gleason/Jewell.. 06/24/2026
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SPC Jun 24, 2026 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0342 AM CDT Wed Jun 24 2026 Valid 271200Z - 021200Z ...DISCUSSION... ...D4/Saturday - Northern Plains... A strong trough will advance into the Northwest CONUS on Saturday with a strong mid-level jet extending from the Great Basin to the northern Plains. A lee cyclone will develop across eastern Wyoming into western South Dakota. Southerly flow will strengthen and advect low to mid 60s dewpoints northward. This will lead to strong instability by the late afternoon across the western Dakotas. There is still some uncertainty with the evolution of the upper-level trough which will have some impact in the timing and location of the severe weather threat on Saturday. At this time, have confined the 15% area to where the greatest severe weather threat appears likely Saturday afternoon/evening, but this area may need to be refined in future outlooks. ...Day 5 and Beyond... Severe weather will be possible across portions of the Northern Plains into the Upper Midwest Sunday and into next week. However, predictability remains too low to highlight areas in this timeframe. The presence of strong to very strong instability across a large region with multiple shortwave troughs emerging from the primary trough centered over the West will surely support severe weather potential most days. However, probabilities for specific areas cannot be added until the upper-level pattern becomes more clear.
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