Severe Storm Outlook Narrative (AC)
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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
ACUS01 KWNS 180046
SWODY1
SPC AC 180044

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0744 PM CDT WED SEP 17 2014

VALID 180100Z - 181200Z

...NO SVR TSTM AREAS FORECAST...

...SUMMARY...
ISOLATED STRONG STORMS WILL CONTINUE OVER PARTS OF THE CENTRAL GREAT
PLAINS AND ALONG THE OKLAHOMA/ARKANSAS BORDER THIS EVENING.

SMALL MCS THAT EVOLVED OVER THE OZARK PLATEAU HAS PROGRESSED SSWWD
INTO FAR NERN OK AND NWRN AR.  LEADING EDGE OF THIS ACTIVITY IS
PROPAGATING AT ROUGHLY 15-20KT AND MAY PRODUCE LOCALLY STRONG WINDS.
LATEST WDSSII MESH DATA SUGGESTS MARGINALLY SEVERE HAIL REMAINS WITH
THE STRONGEST UPDRAFTS OVER ERN CRAWFORD COUNTY AR.  HOWEVER...HAIL
SHOULD GRADUALLY WANE IN INTENSITY WITH LOSS OF HEATING.

FARTHER NW...A FEW STRONG THUNDERSTORMS PERSIST ACROSS THE HIGH
PLAINS OF NERN CO INTO NWRN KS.  THIS CONVECTION SHOULD GRADUALLY
SPREAD/DEVELOP SEWD WITHIN FAVORABLE SELY LOW-LEVEL INFLOW...THOUGH
ACTIVITY SHOULD REMAIN ISOLATED.  GUSTY WINDS AND PERHAPS MARGINALLY
SEVERE HAIL ARE THE PRIMARY THREATS FOR THE NEXT FEW HOURS.

TROPICAL REMNANTS OF ODILE HAVE PROGRESSED INLAND ACROSS NWRN MEXICO
AND ARE SPREADING OVER SERN AZ/SRN NM AND FAR WEST TX.  WHILE LAPSE
RATES ARE POOR WITH THIS SYSTEM 00Z SOUNDING FROM EPZ SUGGESTS
SUFFICIENT BUOYANCY/SHEAR FOR ORGANIZED MULTI-CELL UPDRAFTS.
ANOTHER PRONOUNCED MID-LEVEL FEATURE IS ADVECTING ACROSS THE TX
PANHANDLE.  LONG RADAR LOOPS CLEARLY SHOW A WEAKENING CIRCULATION
JUST WEST OF AMA AND THIS FEATURE MAY BE ENHANCING STRONG CONVECTION
ACROSS THE TX SOUTH PLAINS.  MULTIPLE STORM MERGERS/OUTFLOW SUGGEST
THIS CLUSTER WILL PROPAGATE TOWARD I-20 BEFORE WEAKENING.

..DARROW.. 09/18/2014



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