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  "path": "/products/md/md1121.html",
  "publishedAt": "2026-06-13T17:41:05.000Z",
  "site": "https://www.spc.noaa.gov",
  "tags": [
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  "textContent": "MD 1121 CONCERNING SEVERE POTENTIAL...WATCH POSSIBLE FOR PORTIONS OF THE MID-MISSISSIPPI AND LOWER OHIO VALLEYS\n\n\n\n\n    Mesoscale Discussion 1121\n    NWS Storm Prediction Center Norman OK\n    1240 PM CDT Sat Jun 13 2026\n\n    Areas affected...portions of the mid-Mississippi and lower Ohio\n    Valleys\n\n    Concerning...Severe potential...Watch possible\n\n    Valid 131740Z - 131915Z\n\n    Probability of Watch Issuance...40 percent\n\n    SUMMARY...An ongoing convective cluster in southern Missouri has\n    exhibited some intensification over the past hour, with isolated\n    damaging wind gusts and large hail possible.\n\n    DISCUSSION...Latest GOES imagery and lightning data indicate that an\n    ongoing convective cluster in southern Missouri downstream of an MCV\n    over southeast Kansas has intensified some, with an uptick in\n    lightning and modest cloud top cooling noted over the past hour.\n    While denser cloud cover is present downstream of this cluster\n    across much of southeastern Missouri, clear conditions farther south\n    in northeast Arkansas and low-level warm, moist air advection are\n    contributing to a destabilizing air mass with minimal remaining\n    inhibition indicated by latest objective analysis and RAP forecast\n    soundings.\n\n    Latest high-res guidance continues to poorly capture this complex.\n    Thus, the exact evolution remains uncertain. However, guidance does\n    suggest that sufficient effective shear (25-30+ kts) will remain in\n    place owing, in part, to the presence of the upstream MCV (and\n    perhaps a second, weaker MCV over southern Missouri). Coupled with\n    the moderately unstable environment, it is possible that this\n    complex continues east-southeastward over the next couple of hours.\n    In this scenario, a greater threat for damaging wind gusts (and\n    perhaps an instance or two of large hail) may develop through the\n    afternoon should this cluster intensify. Trends are being monitored,\n    and a Severe Thunderstorm Watch may be needed pending further\n    intensification/persistence of this cluster.\n\n    ..Chalmers/Mosier.. 06/13/2026\n\n    ...Please see www.spc.noaa.gov for graphic product...\n\n    ATTN...WFO...PAH...MEG...LSX...LZK...SGF...\n\n    LAT...LON   37339130 37509096 37599042 37638986 37628952 37548922\n                37378899 37058872 36788864 36438866 36108891 35848933\n                35768969 35769008 35799057 35889100 36039147 36179174\n                36469199 36649199 36879188 36979178 37179155 37339130\n\n    MOST PROBABLE PEAK WIND GUST...55-70 MPH\n    MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN\n\n\n\nRead more",
  "title": "SPC MD 1121"
}