779
ACUS11 KWNS 191818
SWOMCD
SPC MCD 191818
IAZ000-NEZ000-200015-
MESOSCALE DISCUSSION 0099
NWS STORM PREDICTION CENTER NORMAN OK
1218 PM CST THU FEB 19 2026
AREAS AFFECTED...EASTERN NEBRASKA AND WESTERN IOWA
CONCERNING...HEAVY SNOW
VALID 191818Z - 200015Z
SUMMARY...HEAVY SNOW IS EXPECTED TO DEVELOP EASTWARD INTO EASTERN
NEBRASKA THROUGH THE AFTERNOON AND REACH WESTERN IOWA THIS EVENING.
SNOWFALL RATES COULD EXCEED 1 INCH PER HOUR FOR A FEW HOURS.
DISCUSSION...A MIDLEVEL SHORTWAVE TROUGH AND ASSOCIATED LOW-MIDLEVEL
ASCENT WILL SPREAD EASTWARD FROM CENTRAL INTO EASTERN NE THROUGH THE
REMAINDER OF THE AFTERNOON. AN INITIALLY DRY COLUMN WITH A SMALL
WARM NOSE WILL COOL/SATURATE AS PRECIPITATION FORMS AND INCREASES IN
INTENSITY FROM WEST-TO-EAST, WITH SNOW EXPECTED TO BE THE PRIMARY
PRECIPITATION TYPE AS A RESULT OF WET BULB TEMPERATURES WELL BELOW 0
C. FOCUSED ASCENT THROUGH THE DENDRITIC GROWTH LAYER (DRIVEN
PRIMARILY BY WARM ADVECTION/FRONTOGENESIS 850-600 MB) WILL SUPPORT
SNOWFALL AT OR ABOVE 1 INCH PER HOUR LATER THIS AFTERNOON/EVENING.
..THOMPSON.. 02/19/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...DMX...FSD...OAX...GID...LBF...
LAT...LON 41799835 42109777 42249638 42209567 41979531 41439514
41159540 41079627 41139780 41489833 41799835
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