Severe Storm Outlook Narrative (AC)
Issued by NWS

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
ACUS11 KWNS 241653
SWOMCD
SPC MCD 241653
LAZ000-TXZ000-241830-

MESOSCALE DISCUSSION 0434
NWS STORM PREDICTION CENTER NORMAN OK
1153 AM CDT FRI APR 24 2015

AREAS AFFECTED...FAR SERN TX/SRN LA

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 241653Z - 241830Z

PROBABILITY OF WATCH ISSUANCE...60 PERCENT

SUMMARY...GRADUALLY INCREASING STORMS/SEVERE RISK EVIDENT ACROSS THE
SABINE RIVER VALLEY REGION AND EWD ACROSS SRN LA MAY REQUIRE WW
ISSUANCE IN THE NEXT HOUR OR SO.

DISCUSSION...A CLUSTER OF STORMS IN THE TYR /TYLER TX/ VICINITY AND
APPROACHING THE SABINE RIVER VALLEY CONTINUES TO GRADUALLY
INCREASE...AS MIXED-LAYER CAPE ACROSS THE GULF COAST HAS INCREASED
INTO THE 1000 TO 1500 J/KG RANGE.  SOME ORGANIZATION IS INDICATED
WITHIN THIS CLUSTER ATTM...AIDED BY FAVORABLY STRONG MID-LEVEL SWLYS
ACROSS THE AREA.  THOUGH LOW-LEVEL SHEAR REMAINS A BIT WEAK...SELY
SURFACE WINDS NEAR/N OF THE REMNANT FRONT LYING W-E ROUGHLY ALONG
THE GULF COAST MAY SUPPORT AN INCREASE IN ISOLATED TORNADO RISK
EARLY THIS AFTERNOON.  WITH HAIL AND DAMAGING WINDS ALSO POSSIBLE
LOCALLY AS CONVECTION GRADUALLY INTENSIFIES...WW MAY BE NEEDED IN
THE NEXT HOUR OR SO.

..GOSS/GRAMS.. 04/24/2015

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LIX...LCH...HGX...

LAT...LON   29659387 29609444 30079470 30469443 30729407 31029321
            30559196 30309094 29179114 29659387



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.