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Mesoscale Discussion 621 | |
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Mesoscale Discussion 0621 NWS Storm Prediction Center Norman OK 0728 PM CDT Fri May 03 2024 Areas affected...Parts of south-central Nebraska and north-central Kansas Concerning...Severe Thunderstorm Watch 181... Valid 040028Z - 040200Z The severe weather threat for Severe Thunderstorm Watch 181 continues. SUMMARY...An organized line of storms could produce 60-75 mph gusts as it moves south-southeast. DISCUSSION...An organized line segment has developed in western Nebraska and moved southeast along moisture gradient. Measured winds of 61 and 63 mph were reported near North Platte. Recent surface observations from Holdrege, NE showed the dewpoint jumping from 51 to 55 F in the last hour. Other ASOS/KS Mesonet observations show upper 50s to low 60s F dewpoints that may try and push northwestward this evening. Given the organization of the line and the theta-e gradient, this activity will likely continue for the next few hours with aid from the low-level jet. The observed 00Z OAX and TOP soundings showed capping/low-level drier air making the eastward extent of this threat uncertain. Wind gusts of 60-75 mph appear possible with this line of storms. Small to marginally severe hail may also occur, but should be more isolated given the linear mode. ..Wendt.. 05/04/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...OAX...TOP...GID...LBF...GLD... LAT...LON 40320143 40890074 40950071 40859916 40689800 40489735 40249727 39939741 39559797 39509849 39679983 39900081 40320143 |
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