182  
ACUS11 KWNS 190153  
SWOMCD  
SPC MCD 190152  
TNZ000-MSZ000-190245-  
 
MESOSCALE DISCUSSION 2155  
NWS STORM PREDICTION CENTER NORMAN OK  
0852 PM CDT SAT OCT 18 2025  
 
AREAS AFFECTED...WESTERN TENNESSEE...NORTHERN MISSISSIPPI  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 626...  
 
VALID 190152Z - 190245Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 626  
CONTINUES.  
 
SUMMARY...SEVERE THREAT CONTINUES WITHIN WW626.  
 
DISCUSSION...A LINE OF THUNDERSTORMS ACROSS WESTERN TENNESSEE HAS  
SEEN AN UPTICK IN LIGHTNING ACTIVITY OVER THE LAST 30 MINUTES, WITH  
SOMEWHAT BETTER ORGANIZED RADAR PRESENTATION. VELOCITY FROM KNQA  
SHOWS 40-45 KT WINDS AROUND 1-1.5 KFT. SURFACE OBJECTIVE ANALYSIS  
WOULD SUGGEST THAT THE SOUTHERLY LOW-LEVEL JET IS INCREASING AROUND  
30-40 KTS. THE THERMODYNAMIC PROFILE REMAINS WEAK, BUT INCREASING  
SHEAR FOR ORGANIZATION MAY ALLOW FOR A PERIOD OF INCREASING DAMAGING  
WIND POTENTIAL. AT THIS TIME, UNCERTAINTY IN LONGEVITY OF THIS  
THREAT LEADS TO LOW CONFIDENCE IN A DOWNSTREAM WATCH BUT LOCAL  
EXTENSION OF WW626 MAY BE WARRANTED.  
 
..THORNTON.. 10/19/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...MEG...  
 
LAT...LON 35388945 35568939 35738922 35778889 35778871 35618850  
35368852 35128863 34768903 34798912 34728930 34758948  
34788957 35388945  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
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