633
ACUS11 KWNS 250817
SWOMCD
SPC MCD 250816
TXZ000-251015-
MESOSCALE DISCUSSION 2177
NWS STORM PREDICTION CENTER NORMAN OK
0316 AM CDT SAT OCT 25 2025
AREAS AFFECTED...PARTS OF SOUTHEAST TEXAS
CONCERNING...SEVERE THUNDERSTORM WATCH 631...
VALID 250816Z - 251015Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 631
CONTINUES.
SUMMARY...DAMAGING WIND GUSTS AND A BRIEF/EMBEDDED TORNADO OR TWO
REMAIN POSSIBLE IN SEVERE THUNDERSTORM WATCH 631 -- ESPECIALLY IN A
WEST-EAST CORRIDOR EXTENDING FROM PARTS OF HARRIS COUNTY TO
JEFFERSON COUNTY THROUGH AROUND 11Z.
DISCUSSION...THE LATEST RADAR DATA FROM KHGX AND ESPECIALLY TIAH
SHOW SEVERAL EMBEDDED/TRANSIENT MESOVORTEX STRUCTURES WITHIN THE
CONVECTIVE LINE MOVING ACROSS SOUTHEAST TX. AS THE LINE CONTINUES
EASTWARD, THE COMBINATION OF LOWER 70S DEWPOINTS AND ENHANCED
LOW-LEVEL HODOGRAPH CURVATURE (AROUND 200 M2/S2 0-1KM SRH PER VWP
DATA) WILL CONTINUE TO SUPPORT THESE TRANSIENT/ENHANCED EMBEDDED
CIRCULATIONS -- POSING A RISK OF DAMAGING GUSTS AND POSSIBLY A BRIEF
TORNADO OR TWO. THE MOST FAVORABLE CORRIDOR APPEARS TO EXTEND FROM
PARTS OF HARRIS COUNTY EASTWARD TO JEFFERSON COUNTY THROUGH AROUND
11Z.
..WEINMAN.. 10/25/2025
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...LCH...HGX...
LAT...LON 29629427 29659553 29859576 30289566 30349526 30139408
29859398 29629427
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
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