21Z UPDATE
** I AM POSTING THE 21Z UPDATE A BIT EARLY. I WILL BE PUTTING TOGETHER FULL 23Z UPDATE FOR LATER. THERE WILL BE ALOT OF SUPPLEMENTAL UPDATES IN BETWEEN. THE MAP IS READY TO LIGHT UP! I WOULD BE HARD PRESSED TO SEE ANYONE AT ALL END UP WITH FUNNEL CAKES ON THIS EVENT. CHOOSE WISELY. . .
VISIBLE SATELLITE
CONUS: http://i46.tinypic.com/2poqpms.jpg
MIDWEST: http://i48.tinypic.com/2d993tk.jpg
N PLAINS: http://i46.tinypic.com/330xu0h.jpg
RADAR COMPOSITE
MIDWEST: http://i49.tinypic.com/1426ewy.gif
N PLAINS: http://i45.tinypic.com/qswnrd.gif
S PLAINS: http://i47.tinypic.com/2nhg714.gif
SURFACE PLOTS
CENTRAL ROCKIES: http://i48.tinypic.com/21oyiw6.gif
MIDWEST: http://i46.tinypic.com/imp7j4.gif
N PLAINS: http://i46.tinypic.com/1079tva.gif
S PLAINS: http://i45.tinypic.com/rbjte8.gif
WAYFARING MAP: http://www.wayfaring.com/maps/show/60497
MESOSCALE DISCUSSIONS
MD:
SPC MESOSCALE DISCUSSION FOR CENTRAL NEB / SERN SD / FAR NE
IA / FAR SWRN MN
CONCERNING...SEVERE THUNDERSTORM POTENTIAL...
WW MAY BE REQUIRED SOON FOR PORTIONS OF CENTRAL NEB INTO SERN SD
AND EXTREME PORTIONS OF NWRN IA/SWRN MN. THUNDERSTORMS ARE
EXPECTED TO DEVELOP DURING THE NEXT 1-2 HOURS ALONG THE DRY LINE IN
CENTRAL NEB AND EVENTUALLY INTO SERN SD.
VIS SATELLITE IMAGERY SHOWS A LINE OF TCU DEVELOPING ALONG A DRY
LINE EXTENDING SWWD FROM MHE TO JUST EAST AND SOUTH OF ANW. MOSTLY
CLEAR SKIES THROUGH THE DAY HAVE ALLOWED FOR SURFACE TEMPERATURES
TO RISE INTO THE MID 70S TO AROUND 80 F. LOW-LEVEL MOISTURE
CONTINUES TO RETURN NWD WITH SURFACE DEWPOINTS CURRENTLY IN THE MID
50S F AS FAR NORTH AS SERN SD AND EXTREME PORTIONS OF NWRN IA/SWRN
MN...AND WHEN COMBINED WITH VERY STEEP MID-LEVEL LAPSE RATES...IS
RESULTING IN MODERATE INSTABILITY. DEEP LAYER SHEAR IS SUFFICIENT
FOR SUSTAINED UPDRAFTS WITH SUPERCELLS LIKELY.