|
| Mesoscale Discussion 507 |
|
< Previous MD
Next MD >
|
|
MESOSCALE DISCUSSION 0507
NWS STORM PREDICTION CENTER NORMAN OK
0933 PM CDT FRI APR 17 2009
AREAS AFFECTED...PARTS OF SWRN KS / WRN OK / WRN N-CNTRL TX
CONCERNING...SEVERE THUNDERSTORM WATCH 163...
VALID 180233Z - 180300Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 163
CONTINUES.
A DECREASING SEVERE THREAT IS ENSUING ACROSS PARTS OF SWRN KS / WRN
OK / WRN N-CNTRL TX. WW WILL BE ALLOWED TO EXPIRE AT 03Z.
SURFACE ANALYSIS SHOWS RELATIVELY LITTLE MOVEMENT IN SURFACE
FEATURES OVER THE PAST FEW HOURS AS DRYLINE/OCCLUDED FRONT BOUNDARY
ARCS FROM SERN CO INTO THE TX LOW ROLLING PLAINS REMAINS
QUASI-STATIONARY. TRENDS IN RADAR MOSAIC SHOW THE STRONGER CORES
WEAKENING SUBSTANTIALLY IN THE PAST HR...WHICH IS PROBABLY DUE IN
PART TO DIURNAL STABILIZATION OVER THE REGION. THE MOST ROBUST
UPDRAFTS CURRENTLY RESIDE OVER PARTS OF WRN OK AS OF 0230Z...BUT AS
THESE STORMS AND THE ONES TO THE S OVER WRN N-CNTRL TX CONTINUE TO
MOVE E AWAY FROM THERMAL RIDGE/INSTABILITY AXIS...WILL PROBABLY
RESULT IN THESE STORMS WEAKENING FURTHER IN THE SHORT TERM.
..SMITH.. 04/18/2009
ATTN...WFO...OUN...DDC...SJT...LUB...AMA...PUB...
LAT...LON 34589931 33209923 32319939 32250000 32960032 34370050
36040122 36930199 37580260 38060246 37870127 37230031
36539979 35299940 34589931
|
|
Top/All Mesoscale Discussions/Forecast Products/Home
|
|