Sep 16, 2005 1730 UTC Day 2 Convective Outlook Updated: Fri Sep 16 17:37:37 UTC 2005
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SPC AC 161735
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1235 PM CDT FRI SEP 16 2005
VALID 171200Z - 181200Z
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 55 NW 3B1 40 N 3B1 40
NW EPM.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 NNW ANJ 25 SSE VOK
35 SW OTM 20 ENE FSM 35 SSE DUA 40 NNE ACT 60 SW TYR 50 ENE LFK 25
SE JAN 15 W LGC 30 ESE AVL 15 NNW BKW 25 WSW HLG 25 NW ERI.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 SSW FHU 50 SSE SOW
40 ESE FMN 25 NE GLD 50 N IML 30 E AIA 20 SSW BFF 25 NNE FCL 40 SSE
BPI 30 ESE BYI 40 WSW OWY 40 E 4LW 45 E RDM 35 NNW 4OM.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 ENE CTB 15 S LWT
60 W MLS 35 SSW P24 75 NE DVL.
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
RELATIVELY QUIESCENT CONDITIONS ARE FORECAST AT THE SURFACE AND
ALOFT THIS PERIOD -- WITH RESPECT TO THE SEVERE CONVECTIVE
POTENTIAL. IN THE WAKE LARGE COLD FRONT -- WHICH SHOULD BE MOVING
EWD/SEWD TOWARD THE ATLANTIC AND GULF COASTS...COOLER/MORE STABLE
AIRMASS WILL REMAIN ACROSS MUCH OF THE ERN 2/3 OF THE CONUS.
WEAK COLD FRONT IS FORECAST TO MOVE SEWD ACROSS THE N CENTRAL CONUS
THIS PERIOD...BUT LIMITED INSTABILITY SUGGESTS LITTLE SEVERE THREAT.
GREATEST POTENTIAL FOR SEVERE STORMS APPEARS TO EXIST ACROSS PARTS
OF THE SRN HIGH PLAINS...THOUGH EVEN HERE THREAT SHOULD REMAIN
LIMITED/ISOLATED.
...ERN TX PANHANDLE/WRN N TX INTO WRN OK AND S CENTRAL/SWRN KS...
DAYTIME HEATING OF MOIST BOUNDARY LAYER BENEATH STEEP LAPSE RATES
SPREADING EWD OFF THE HIGHER TERRAIN SHOULD YIELD MODERATE AIRMASS
DESTABILIZATION BY AFTERNOON ACROSS PARTS OF THE CENTRAL AND SRN
PLAINS. THOUGH CAPPING INVERSION SHOULD LIMIT POTENTIAL FOR
CONVECTIVE DEVELOPMENT ACROSS MOST OF THE REGION...ISOLATED STORMS
MAY DEVELOP WHERE CAP LOCALLY WEAKENS INVOF TROUGH/DRYLINE FORECAST
ACROSS WRN KS/THE OK AND TX PANHANDLES. STORMS MAY INCREASE
SLIGHTLY IN COVERAGE INTO THE EVENING AS LOW-LEVEL JET STRENGTHENS.
ASSUMING STORMS DEVELOP...VEERING LOW-LEVEL FLOW INCREASING TO 30 TO
40 KT AT MID-LEVELS WILL RESULT IN SUFFICIENT SHEAR FOR SUPERCELLS.
THEREFORE...WILL MAINTAIN LOW-PROBABILITY SEVERE THREAT ACROSS THIS
REGION. HOWEVER...WITH STORMS FORECAST ATTM TO REMAIN ISOLATED --
OVERALL SEVERE THREAT SHOULD REMAIN LOW.
..GOSS.. 09/16/2005
...NOTICE...
THE STATION RELATIVE POINTS IN THIS PRODUCT ARE NOW AVAILABLE
SEPARATELY UNDER THE WMO HEADINGS WUUS01 PTSDY1...
WUUS02 PTSDY2...WUUS03 PTSDY3. THE INCLUSION OF POINTS
IN THIS DISCUSSION WILL BE DISCONTINUED AFTER THE 2005
CONVECTIVE SEASON. A PUBLIC NOTIFICATION STATEMENT (PNS)
WILL PROVIDE DETAILS ON THE TRANSITION.
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0800Z
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