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Mesoscale Discussion 324 |
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MESOSCALE DISCUSSION 0324
NWS STORM PREDICTION CENTER NORMAN OK
1115 AM CDT FRI MAR 23 2007
AREAS AFFECTED...NERN NM...PARTS OF THE OK AND TX PNHDLS/EXTREME SRN
CO
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 231615Z - 231745Z
THE PRIMARY IMPULSE EMBEDDED WITHIN CLOSED LOW IS JUST NOW BEGINNING
TO SHIFT EAST OF THE BAJA SPUR...BUT A 50-70+ KT SOUTHERLY 500 MB
JET STREAK IS ALREADY NOSING NORTHEAST OF THE MEXICAN PLATEAU INTO
EASTERN NEW MEXICO. WHILE MID-LEVEL SUBSIDENCE WILL PROBABLY
INHIBIT CONVECTIVE DEVELOPMENT IN THE SHORT TERM EAST OF THE HIGHER
TERRAIN...ACROSS THE HIGH PLAINS OF SOUTHEAST NEW MEXICO...STORMS
PROBABLY WILL CONTINUE TO INCREASE IN THE VICINITY OF THE EXIT
REGION OF THE SPEED MAXIMUM. LAPSE RATES ARE STEEPENING NEAR ZONE
OF STRONGEST 700 MB WARM ADVECTION...WHICH APPEARS LIKELY TO
CONTINUE LIFTING IN A BAND ACROSS NORTHEAST NEW MEXICO AND THE TEXAS
PANHANDLE THROUGH 19-21Z. THIS IS EXPECTED TO PROVIDE THE FOCUS FOR
THE PRIMARY CONVECTION IN THE SHORT TERM...WHICH PROBABLY WILL
REMAIN BASED ABOVE THE BOUNDARY LAYER. HOWEVER...SHEAR IN THE CLOUD
BEARING LAYER WITH MOST UNSTABLE CAPE TO 1000 J/KG WILL REMAIN
FAVORABLE FOR UPDRAFT ROTATION...ENHANCING RISK FOR LARGE HAIL IN
ISOLATED STRONGER STORMS.
..KERR.. 03/23/2007
ATTN...WFO...DDC...LUB...AMA...PUB...ABQ...
36750632 37130557 37250335 37200229 37020144 36700087
36190084 35110143 34630291 34830423 35000521 35450601
35960629
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