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Mesoscale Discussion 1184 |
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MESOSCALE DISCUSSION 1184
NWS STORM PREDICTION CENTER NORMAN OK
0126 AM CDT SUN JUN 23 2013
AREAS AFFECTED...NORTH CENTRAL ND
CONCERNING...SEVERE THUNDERSTORM WATCH 350...
VALID 230626Z - 230800Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 350
CONTINUES.
SUMMARY...AN ISOLATED SVR WEATHER THREAT PERSISTS ACROSS NORTH
CENTRAL ND...WITH THE STRONGEST ACTIVITY --- THOUGH WEAKENING WITH
TIME --- WILL MOVE N OF THE INTERNATIONAL BORDER BY 08Z. THUS...WW
350 COULD BE CANCELLED EARLY.
DISCUSSION...AT 0615Z...REGIONAL RADAR IMAGERY SHOWED A LINE OF
STORMS IN NORTH CENTRAL ND...EXTENDING FROM ROLETTE COUNTY TO WRN
RAMSEY COUNTY. THIS ACTIVITY WAS THE REMAINING SVR WEATHER THREAT
FOR WW 350...AND GIVEN A N/NEWD MOVEMENT AT 30 KT THESE STORMS
SHOULD EXIT ND INTO ADJACENT SRN MANITOBA AROUND 08Z. RESIDUAL
MODERATE INSTABILITY AND EFFECTIVE BULK SHEAR OF 30-40 KT MAY PROVE
FAVORABLE YET FOR AN ISOLATED HAIL AND/OR STRONG WIND GUST.
HOWEVER...OVERALL SEVERE WEATHER THREAT APPEARS TO BE WANING AS
LIGHTNING TRENDS ARE DECREASING AND ATTENDANT CLOUD TOP TEMPERATURES
ARE WARMING PER IR SATELLITE IMAGERY.
..PETERS.. 06/23/2013
ATTN...WFO...FGF...BIS...
LAT...LON 48989809 48159823 48029905 48249968 49020024 48989809
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