|
| Mesoscale Discussion 784 |
|
< Previous MD
Next MD >
|
|
MESOSCALE DISCUSSION 0784
NWS STORM PREDICTION CENTER NORMAN OK
0736 AM CDT SAT MAY 03 2008
AREAS AFFECTED...SE LA...SRN MS AND SRN AL
CONCERNING...TORNADO WATCH 258...
VALID 031236Z - 031330Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 258 CONTINUES.
THE SEVERE THREAT WILL PERSIST THIS MORNING ACROSS SE LA...SRN MS
AND SRN AL AS A LINEAR MCS MOVES SEWD. LARGE HAIL AND DAMAGING WINDS
WILL BE THE PRIMARY THREATS ALTHOUGH A TORNADO REMAINS POSSIBLE WITH
ROTATING CELLS EMBEDDED IN THE LINE.
SFC ANALYSIS SHOW A PREFRONTAL TROUGH OVER WRN TN AND MS WITH A
PRONOUNCED MOIST AXIS EXTENDING NWD ACROSS WRN AL WITH DEWPOINTS IN
THE MID 60S F. THE LINEAR MCS IS LOCATED ALONG AND JUST EAST OF A
35-45 KT LOW-LEVEL JET. THIS COMBINED WITH MODERATE INSTABILITY
LOCATED ACROSS MUCH OF WW 258 AND INCREASING LARGE-SCALE ASCENT
ASSOCIATED WITH AN THE SRN EXTENSION OF AN UPPER-LEVEL TROUGH
LOCATED ALONG THE MS RIVER IS SUPPORTING THE SQUALL-LINE. REGIONAL
WSR-88D VWPS SHOW ADEQUATE DEEP LAYER SHEAR AND STRONG BOUNDARY
LAYER FLOW ASSOCIATED WITH THE LOW-LEVEL JET TO CONTINUE A THREAT
FOR WIND DAMAGE. ALTHOUGH THE LOW-LEVEL SHEAR IS FORECAST TO
GRADUALLY WEAKEN LATE THIS MORNING...AN ISOLATED TORNADO THREAT MAY
PERSIST FOR A FEW MORE HOURS.
..BROYLES.. 05/03/2008
ATTN...WFO...MOB...JAN...LIX...LCH...
29468938 29549001 29539062 29699102 29859131 30079180
30239165 30369093 30648982 31148930 31378860 30888818
30398810 30078826 29748870 29398893
|
|
Top/All Mesoscale Discussions/Forecast Products/Home
|
|