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Mesoscale Discussion 2097 |
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MESOSCALE DISCUSSION 2097
NWS STORM PREDICTION CENTER NORMAN OK
0236 PM CDT FRI AUG 15 2008
AREAS AFFECTED...S-CNTRL CO/N-CNTRL NM AS WELL AS SERN CO AND NERN
NM
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 151936Z - 152100Z
STORMS WILL GRADUALLY INCREASE IN COVERAGE AND INTENSITY WITH LARGE
HAIL LIKELY AS WELL AS A FEW DAMAGING WIND GUSTS. A WW MAY BE
REQUIRED.
COOLING ALOFT CONTINUES AS AN UPPER LOW DRIFTS SSWWD ACROSS WY/CO.
SWLY FLOW OFF THE FOUR CORNERS AREA IS ADVECTING A WARM LOW LEVEL
AIR MASS NEWD INTO CO/NM...BENEATH THE APPROACHING UPPER LOW. AT THE
SURFACE...AN AREA OF HIGH PRESSURE HAS KEPT WINDS BACKED WITH
RELATIVELY COOL AIR IN PLACE ACROSS THE PLAINS. THEREFORE...FOR THE
NEXT 1-2 HOURS...THE MOST SIGNIFICANT DEVELOPMENT WILL LIKELY BE
LIMITED TO THE MOUNTAINS...WHERE STRONG HEATING CONTINUES AND THERE
IS LITTLE CAPPING. BREAKS IN THE CLOUDS AND GRADUAL LOW LEVEL WARM
ADVECTION WILL LEAD TO A MORE FAVORABLE ENVIRONMENT FOR SUSTENANCE
OF SEVERE HAIL STORMS MOVING OFF THE HIGHER TERRAIN ONTO THE HIGH
PLAINS. WNWLY DEEP LAYER SHEAR VECTORS ON THE ORDER OF 40 KTS
SUGGESTS A THREAT OF SMALL BOWS AND/OR SUPERCELL OUTFLOW APPENDAGES
WITH STRONG TO SEVERE WIND GUSTS...WHILE LOW LCL HEIGHTS AND WEAK
LOW LEVEL VEERING OF WINDS SUGGEST THAT AN ISOLATED...BRIEF TORNADO
CANNOT BE RULED OUT.
..JEWELL.. 08/15/2008
ATTN...WFO...AMA...PUB...BOU...ABQ...
35290503 34660588 34810706 35890647 36630617 37550598
38320613 38850574 38340266 37520238 36840313 35590481
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