|
| Mesoscale Discussion 1043 |
|
< Previous MD
Next MD >
|
|
MESOSCALE DISCUSSION 1043
NWS STORM PREDICTION CENTER NORMAN OK
0522 AM CDT THU JUN 11 2009
AREAS AFFECTED...NRN/ERN TX
CONCERNING...SEVERE THUNDERSTORM WATCH 372...
VALID 111022Z - 111115Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 372
CONTINUES.
A LOCAL SSEWD EXPANSION OF WW 372 MAY BE NEEDED SOON BY WFO FWD...
AND A NEW WW IS BEING CONSIDERED FOR PARTS OF SERN TX DOWNSTREAM OF
WW 372.
REGIONAL RADARS INDICATED THE LEAD CLUSTER OF TSTMS MOVING SEWD AT
30-35 KT...WITH THIS ACTIVITY EXPECTED TO EXIT WW 372 BETWEEN
10-11Z. ADDITIONAL STORMS CONTINUE TO DEVELOP OVER AND NW OF THE
DALLAS-FORTH WORTH METROPLEX. ALTHOUGH STORM INTENSITIES WITH THIS
LATTER ACTIVITY IS NOT AS STRONG AS STORMS FARTHER SEWD...
ADDITIONAL TRAINING OVER AREAS THAT ALREADY RECEIVED HEAVY RAINFALL
RATES WILL ENHANCE RUNOFF CONCERNS. 40 KT SSWLY LLJ IS MAINTAINING
A FEED OF MODERATE INSTABILITY INTO THE N/NERN TX MCS WITH IR
SATELLITE IMAGERY SHOWING PERSISTENT COLD CLOUD TOPS. EFFECTIVE
BULK SHEAR OF 40-50 KT AND THE MODERATE INSTABILITY ARE EXPECTED TO
MAINTAIN THE THREAT FOR DAMAGING WINDS AND HAIL AS ACTIVITY TRACKS
SEWD INTO SERN TX.
..PETERS.. 06/11/2009
ATTN...WFO...LCH...SHV...HGX...FWD...
LAT...LON 32229761 32609804 33389842 33409735 33149677 32839603
32399454 30819360 30169430 29989536 30309575 31819669
32229761
|
|
Top/All Mesoscale Discussions/Forecast Products/Home
|
|