English: Mesoscale Discussion 1048, issued by the National Weather Service's Storm Prediction Center (forecaster Bryan Smith) on June 17, 2014.
MESOSCALE DISCUSSION 1048
NWS STORM PREDICTION CENTER NORMAN OK
0829 PM CDT TUE JUN 17 2014
AREAS AFFECTED...FAR NERN NEB
CONCERNING...TORNADO WATCH 315...
VALID 180129Z - 180200Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 315 CONTINUES.
SUMMARY...VERY STRONG LOW-LEVEL ROTATIONAL VELOCITIES LIKELY
INDICATIVE OF A VIOLENT TORNADO. THE NEAR-STORM ENVIRONMENT REMAINS
VERY SUPPORTIVE FOR INTENSE TORNADOES FOR THE NEXT HOUR OR MORE.
DISCUSSION...KOAX RADAR IMAGERY SHOWS PEAK 0.5 DEG ROTATIONAL
VELOCITIES 90+ KT SUPPORTING A HIGH PROBABILITY /60 PERCENT OR
GREATER/ FOR A VIOLENT TORNADO BASED ON RADAR ALONE. THE 00Z OMA
RAOB SHOWED A AN EXTREMELY UNSTABLE AIRMASS AND LOW-LEVEL SHEAR IS
BEGINNING TO INCREASE PER KOAX VWP DATA. INPUTTING THE CEDAR COUNTY
TORNADIC SUPERCELL MOTION YIELDS OVER 300 M2/S2 0-3 KM SRH.
EXPECTING A CONTINUED THREAT FOR INTENSE TORNADOES /EF3+/ FOR THE
NEXT HOUR OR SO.
..SMITH.. 06/18/2014
ATTN...WFO...FSD...OAX...
LAT...LON 42669738 42659698 42409695 42339732 42379747 42669738