Impresionante Tiempo Severo en EEUU 14-15 Abril 2012

[davidstorm]

Reed: Supercell with likely strong tornado headed for Wellington to Wichita, KS area! Headed toward Milan, KS. GET UNDER GROUND!

[davidstorm]

al SO de Wichita...

[Diecha]

Interesantes las tormentas que se estan desarrollando, con esa línea al oeste de Oklahoma city.

[Estacion bcp Salto]

Tornado | Las graves condiciones climáticas en el Medio Oeste en EEUU (15/4/12) HD VIDEO

[youtube][/youtube]

[davidstorm]

ayer... NE of Lyons, KS



video

[youtube][/youtube]

[MOTORHOMEMASTER]

Muy bueno ese video!

[Estacion bcp Salto]

Los tornados visto a través de en Kansas y Oklahoma en Estados Unidos (15/4/12) HD VIDEO:
[youtube][/youtube]

[Seba]

Odio a los yankees y sus tormentas perfectas.

[davidstorm]

[youtube][/youtube]

[youtube][/youtube]

y esto anoche.. pasando por wichita..


[youtube][/youtube]

[davidstorm]

para hoy riesgo moderado...





DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0257 PM CDT SUN APR 15 2012

VALID 152000Z - 161200Z

...THERE IS A MDT RISK OF SVR TSTMS FOR SRN MN...WRN WI...NERN IA...

...THERE IS A SLGT RISK OF SVR TSTMS FROM ERN TX NWD INTO THE UPPER
MS VALLEY...

...CNTRL AND SRN MN...IA...WI...
VISIBLE IMAGERY SHOWS CLEARING AND HEATING OCCURRING E OF THE COLD
FRONT WHICH EXTENDED SWD ACROSS WRN IA EXTENDING FROM A SFC LOW OVER
SERN SD. A WARM FRONT WAS SLOWLY LIFTING/MIXING NWD ACROSS THE
MINNEAPOLIS AREA...EXTENDING EWD INTO NWRN WI. OBJECTIVE ANALYSIS
INDICATES INSTABILITY INCREASING AS MOISTURE LIFTS NWD BENEATH
COOLER LAPSE RATES ALOFT. SHEAR IS VERY STRONG PER AREA VWPS AND
FORECAST SOUNDINGS. THE 18Z OBSERVED MPX SOUNDING SUGGESTED THE WARM
FRONT IS WEAKLY SLOPED AND WHEN MODIFIED FOR CURRENT
CONDITIONS...REVEALS LITTLE CIN. STORMS ARE EXPECTED TO FORM E OF
THE SURFACE LOW...NEAR THE COLD FRONT AND IMMEDIATELY ALONG THE WARM
FRONT. SUPERCELLS WILL BE LIKELY WITH TORNADOES POSSIBLE. STORMS
THAT FORM AND RIDE ALONG THE WARM FRONT MAY PRODUCE TORNADOES AND
ALSO SWATHS OF DAMAGING WINDS. HAIL IS LIKELY AS WELL. THE THREAT
SHOULD CONTINUE FOR A FEW HOURS INTO THE EVENING AS CELLS CONTINUE
ACROSS WI.

HAVE MOVED THE MDT RISK AREA BODILY NWD TO ACCOUNT FOR WARM FRONT
POSITION AS WELL AS DRYING AND DECREASING CHANCES OF CONVECTION
GENERALLY S OF I-80.

...MO AND IL SWD ACROSS AR...LA...AND ERN TX...
STORMS ALONG THE COLD FRONT FROM MO SWD INTO TX HAVE BEEN LARGELY
UNDER PRODUCTIVE IN TERMS OF SEVERE THUS FAR...BUT EXTREME SHEAR
PROFILES REMAIN AND THERE IS A CONDITIONAL THREAT OF DAMAGING WINDS
AND A FEW TORNADOES. THIS WOULD BE MOST LIKELY WITH ACTIVITY THAT
FORMS ON OR AHEAD OF THE FRONT...AND THAT CAN OUTRUN THE EWD MOVING
OUTFLOW. SMALL BOWS AND A FEW SUPERCELLS OR EMBEDDED AREAS OF
ROTATION MAY OCCUR.

..JEWELL.. 04/15/2012

.PREV DISCUSSION... /ISSUED 1127 AM CDT SUN APR 15 2012/

...SYNOPSIS...
UPPER TROUGH OVER THE PLAINS IS FORECAST TO LIFT NEWD DURING THE
PERIOD REACHING THE UPPER MS VALLEY BY LATE TONIGHT. ASSOCIATED
SURFACE LOW OVER NERN NEB WILL MOVE TO THE NWRN IA/SWRN MN BORDER
AREA BY THIS EVENING...THEN CONTINUE NEWD ACROSS NRN WI/UPPER MI AND
SRN LAKE SUPERIOR BY 16/12Z. A WARM FRONT CURRENTLY EXTENDING FROM
THE LOW ACROSS EXTREME WRN MN AND SRN WI IS EXPECTED TO GRADUALLY
LIFT NWD...WITH INCREASING MOISTURE /SURFACE DEW POINTS IN THE LOW
60S/ SPREADING NWD INTO SERN MN AND WI. A COLD FRONT TRAILING SWD
FROM THE LOW WILL ADVANCE MORE RAPIDLY ACROSS THE UPPER AND MIDDLE
MS VALLEY TOWARD THE WRN GREAT LAKES DURING THE PERIOD...WITH THE
SRN PART OF THE FRONT STALLING ACROSS ERN AND SRN TX TONIGHT.

...UPPER MS VALLEY REGION...
VISIBLE SATELLITE IMAGERY SHOWS AN AREA OF THINNING CLOUDS FROM ERN
NEB AND WRN IA INTO SRN MN...WHICH SHOULD SPREAD NEWD INTO PARTS OF
NERN IA AND CENTRAL/SRN WI THIS AFTERNOON. THIS WILL PROMOTE
DIABATIC HEATING AND...WHEN COUPLED WITH AN INCREASE IN LOW LEVEL
MOISTURE...CONTRIBUTE TO AIR MASS DESTABILIZATION WITH MLCAPE
REACHING 1000-1500 J/KG. DYNAMIC FORCING FOR LARGE SCALE ASCENT IN
ADVANCE OF THE APPROACHING UPPER TROUGH COUPLED WITH LOW LEVEL
CONVERGENCE NEAR THE SURFACE LOW AND ALONG THE FRONTAL BOUNDARIES IS
EXPECTED TO RESULT IN CONVECTIVE INITIATION DURING THE AFTERNOON.
VERY STRONG WIND FIELDS AND ASSOCIATED PRONOUNCED DEEP-LAYER AND
LOW-LEVEL SHEAR WILL SUPPORT ORGANIZED CONVECTIVE STRUCTURES
INCLUDING FAST-MOVING SUPERCELLS. LARGE HAIL...DAMAGING WIND
GUSTS...AND TORNADOES /A FEW POTENTIALLY STRONG/...WILL BE POSSIBLE
WITH THE STRONGER STORMS. THE ACTIVITY WILL SPREAD EWD/NEWD THROUGH
THE EVENING BEFORE STORMS GRADUALLY WEAKEN AFTER 03-06Z.

...MIDDLE MS VALLEY SSWWD INTO ERN TX/NWRN LA...
PREFRONTAL BAND OF THUNDERSTORMS FROM SWRN MO INTO CENTRAL TX IS
EXPECTED TO MOVE EWD THIS AFTERNOON AND EVENING...WITH STORMS LIKELY
INTENSIFYING IN RESPONSE TO DIURNAL HEATING AND DESTABILIZATION
/MLCAPE REACHING 1000-2000 J PER KG/. WIND PROFILES EXHIBIT 50+ KT
FLOW BEGINNING IN THE LOWEST 1-2 KM AGL...WITH THE RESULTANT INTENSE
LOW LEVEL SHEAR/SRH AND STRONG DEEP LAYER SHEAR FAVORABLE FOR
EMBEDDED SUPERCELLS AND BOW ECHOES WITHIN THE BAND.

THERE IS POTENTIAL FOR ADDITIONAL STORMS TO DEVELOP FARTHER TO THE
NORTHEAST INTO NERN MO AND IL THIS AFTERNOON AND EVENING AS DIABATIC
HEATING AND LOW LEVEL MOISTENING RESULT IN DESTABILIZATION AND A
WEAKENING OF THE CAP. MODEL GUIDANCE INDICATES THAT THE STRONGEST
LOW LEVEL WINDS WILL TRANSLATE NNEWD INTO THE MIDDLE MS VALLEY THIS
AFTERNOON WITH LOW LEVEL AND DEEP LAYER SHEAR INCREASING WITH TIME.
THIS WILL FAVOR ORGANIZED CONVECTIVE STORMS INCLUDING POTENTIAL FOR
A FEW SUPERCELLS TO DEVELOP...WITH AN ASSOCIATED THREAT FOR DAMAGING
WIND GUSTS...LARGE HAIL...AND A FEW TORNADOES THROUGH THE EVENING
HOURS.