Jump to content
  • Forum Image
Sign in to follow this  

Recommended Posts

MD 1459 Image

Mesoscale Discussion 1459
NWS Storm Prediction Center Norman OK
0822 PM CDT Sat Jul 13 2019

Areas affected...Portions of southeastern LA and far southern MS

Concerning...Severe potential...Watch unlikely 

Valid 140122Z - 140315Z

Probability of Watch Issuance...20 percent

SUMMARY...The risk for a brief tornado will continue across parts of
southeastern Louisiana this evening. Watch issuance appears unlikely
due to the isolated nature of this threat.

DISCUSSION...An outer rain band of Tropical Storm Barry oriented
generally north-south over parts the New Orleans metro has recently
consolidated across portions of southeastern LA. This band is on the
eastern periphery of enhanced low-level southerly winds within the
eastern half of Barry's circulation. The 00Z sounding from LIX
showed very little low-level directional shear, but some speed shear
was present in the 0-3 km layer. Recent VWP estimates from KLIX
radar show a gradual weakening trend to these low-level winds
coincident with Barry's slow north-northwestward movement inland.
Fast northward motion of individual cells embedded within the rain
band yields approximately 100 m2/s2 of 0-1 km SRH, with occasional
weak rotation noted aloft in a couple cells. Current expectations
are that the threat for a brief tornado will likely remain quite
isolated through the evening in association with the ongoing rain
band. Accordingly, watch issuance appears unlikely at this time, but
observational trends will continue to be closely monitored.

..Gleason/Grams.. 07/14/2019

...Please see www.spc.noaa.gov for graphic product...


LAT...LON   29429017 29899014 30429011 31179022 31569012 31478988
            30848966 29908970 29398998 29429017 

Read more

View the full article

Share this post

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this  

  • DaculaWeather Twitter Feeds

  • Create New...