182
ACUS11 KWNS 150020
SWOMCD
SPC MCD 150020
IAZ000-MOZ000-NEZ000-150115-
MESOSCALE DISCUSSION 2298
NWS STORM PREDICTION CENTER NORMAN OK
0720 PM CDT MON SEP 14 2026
AREAS AFFECTED...PORTIONS OF SOUTHEASTERN NEBRASKA INTO CENTRAL IOWA
CONCERNING...TORNADO WATCH 669...
VALID 150020Z - 150115Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 669 CONTINUES.
SUMMARY...A FEW SEVERE GUSTS AND A TORNADO REMAIN POSSIBLE OVER THE
NEXT FEW HOURS. THE BEST CHANCE FOR ANY SEVERE WILL BE WITH A
THUNDERSTORM CLUSTER TRAVERSING A DIFFERENTIAL HEATING BOUNDARY OVER
THE NEXT 1-2 HOURS.
DISCUSSION...A LOOSELY ORGANIZED LINE OF THUNDERSTORMS IS CROSSING
THE NE/IA BORDER WITH A HISTORY OF SEVERE GUSTS. THESE STORMS WILL
CONTINUE TO PROPAGATE EASTWARD INTO A HIGHLY SHEARED, DESTABILIZING
AIRMASS, ACCOMPANIED BY A SEVERE GUST THREAT. THE BEST CHANCE FOR
SEVERE GUSTS, INCLUDING ANY ADDITIONAL 75+ MPH GUSTS OR A BRIEF
TORNADO WILL BE WITH THE EMBEDDED THUNDERSTORM CLUSTER THAT IS
CURRENTLY TRAVERSING A DIFFERENTIAL HEATING BOUNDARY.
..SQUITIERI.. 09/15/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...DMX...EAX...OAX...
LAT...LON 40279733 41159633 41529550 41819444 41789399 41669374
41309363 40889387 40539456 40279558 40079620 40009694
40279733
MOST PROBABLE PEAK TORNADO INTENSITY...85-110 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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