251
ACUS11 KWNS 180625
SWOMCD
SPC MCD 180624
NEZ000-180730-
MESOSCALE DISCUSSION 2023
NWS STORM PREDICTION CENTER NORMAN OK
0124 AM CDT TUE AUG 18 2026
AREAS AFFECTED...PORTIONS OF CENTRAL AND EASTERN NEBRASKA
CONCERNING...SEVERE THUNDERSTORM WATCH 594...
VALID 180624Z - 180730Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 594
CONTINUES.
SUMMARY...AN ISOLATED SEVERE WIND AND HAIL THREAT IS LIKELY TO
CONTINUE AFTER THE SCHEDULED 07Z/2 AM CDT EXPIRATION OF SEVERE
THUNDERSTORM WATCH 594, AND A LOCAL EXTENSION IN TIME AND AREA MAY
BE NEEDED FOR PORTIONS OF THE DISCUSSION AREA.
DISCUSSION...A COMPACT CLUSTER OF STRONG/SEVERE STORMS CONTINUES
OVER PORTIONS CENTRAL NE AT 0615Z, WITH A RECENT REPORT OF A
MEASURED 79 MPH GUST AT GRAND ISLAND, NE. THIS CLUSTER CONTINUES TO
MOVE SOUTHEAST AT 50 MPH, AND A SEVERE WIND RISK WILL LIKELY
CONTINUE THROUGH 07-08Z GIVEN A FAVORABLE NEAR-TERM DOWNSTREAM
ENVIRONMENT. THUS A LOCAL EXTENSION IN TIME AND/OR AREA MAY BE
NEEDED TO COVER THIS THREAT.
AS LOW-LEVEL WARM ADVECTION STRENGTHENS FARTHER WEST, NEW
THUNDERSTORM DEVELOPMENT IS ANTICIPATED OVER CENTRAL/SOUTH-CENTRAL
NE WITHIN A STEEP MID-LEVEL LAPSE RATE ENVIRONMENT AND MODESTLY
STRONG MID-LEVEL FLOW. A LOCALIZED WIND AND HAIL THREAT IS EXPECTED
WITH THIS NEW DEVELOPMENT INTO THE EARLY MORNING HOURS, HOWEVER THE
OVERALL COVERAGE IS EXPECTED TO REMAIN SUCH THAT A NEW WATCH IS NOT
CURRENTLY EXPECTED.
..BUNTING/MOSIER.. 08/18/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...OAX...GID...LBF...
LAT...LON 40969856 41239741 41169713 40569701 40239714 40109838
40129925 40149984 40380015 40600037 40840037 41470021
41559957 40969856
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN
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