|
| Mesoscale Discussion 782 |
|
< Previous MD
Next MD >
|
|
MESOSCALE DISCUSSION 0782
NWS STORM PREDICTION CENTER NORMAN OK
0325 PM CDT SAT MAY 09 2009
AREAS AFFECTED...SRN AR...FAR NRN LA...FAR NERN TX
CONCERNING...SEVERE THUNDERSTORM WATCH 282...
VALID 092025Z - 092130Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 282
CONTINUES.
AS OF 2020Z...AN MCS STRETCHED FROM CNTRL TO SWRN AR AND WWD ALONG
THE RED RIVER IN SERN OK/NERN TX. RADAR TRENDS INDICATE THAT THE
REFLECTIVITY GRADIENT HAS BROADENED SUBSTANTIALLY WITH DIMINISHED
VIL VALUES IN ASSOCIATION WITH LEADING LINE SEGMENT. ALTHOUGH THIS
SUGGESTS OVERALL SEVERE POTENTIAL MAY BE SUBSIDING...SURFACE
TEMPERATURES ACROSS FAR S-CNTRL/SERN AR INTO NRN LA HAVE WARMED INTO
THE MIDDLE 80S WITH DEW POINTS HOLDING IN THE LOWER 70S. THIS HAS
CONTRIBUTED TO A MODERATELY UNSTABLE AIR MASS WITH MLCAPES AROUND
2000 J/KG. AS EMBEDDED MCV SHIFTS EWD ALONG COMPOSITE STATIONARY
FRONT/OUTFLOW BOUNDARY...REINTENSIFICATION OF THE MCS APPEARS
POSSIBLE WITH ATTENDANT DAMAGING WINDS/SEVERE HAIL THREATS. EVEN IF
THIS DOES NOT OCCUR...HEAVY RAINFALL WILL REMAIN A CONCERN GIVEN THE
W-E BOUNDARY ORIENTATION AND CONVECTIVE REDEVELOPMENT OCCURRING
ALONG WRN FLANK OF MCS ON THE NRN PERIPHERY OF STOUT EML.
..GRAMS.. 05/09/2009
ATTN...WFO...MEG...JAN...LZK...SHV...TSA...FWD...
LAT...LON 34219198 34429133 34329073 33809063 33149098 32829131
32549208 32429312 32569421 32959496 33409518 33869532
34009517 33879404 34309285 34219198
|
|
Top/All Mesoscale Discussions/Forecast Products/Home
|
|