Plains Tornado Outbreak 4/14-15

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brunota2003
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#341 Postby brunota2003 » Sat Apr 14, 2012 12:57 pm

Decent hook echo:

TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1252 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
WESTERN JEWELL COUNTY IN NORTH CENTRAL KANSAS...
NUCKOLLS COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 130 PM CDT

* AT 1251 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR IONIA...OR 23 MILES NORTHWEST OF BELOIT...
AND MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
ESBON...MANKATO...BURR OAK...BOSTWICK...SUPERIOR...NELSON AND NORA.
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#342 Postby Texas Snowman » Sat Apr 14, 2012 12:58 pm

Twitter brings first report of possible tornado damage - spotter reports some damage to a home, a silo blown over 1 mile east of Rush Center, KS.
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Re:

#343 Postby brunota2003 » Sat Apr 14, 2012 12:59 pm

Texas Snowman wrote:Twitter brings first report of possible tornado damage - spotter reports some damage to a home, a silo blown over 1 mile east of Rush Center, KS.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DODGE CITY KS
1248 PM CDT SAT APR 14 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1216 PM TSTM WND DMG 1 S RUSH CENTER 38.45N 99.31W
04/14/2012 RUSH KS STORM CHASER

TREE LIMBS WERE BLOWN ACROSS THE ROAD. A PIVOT IRRIGATION
SYSTEM WAS BLOWN OVER AND A POWER POLE WAS SNAPPED OFF
NEAR THE BASE. THIS COULD HAVE BEEN A TORNADO OR STRAIGHT
LINE WINDS PENDING A DAMAGE SURVEY.
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Re: Plains Tornado Outbreak: High Risk on 4/14-15 at OK,KS,NEB

#344 Postby Fyzn94 » Sat Apr 14, 2012 1:07 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
104 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
NORTHWESTERN OSBORNE COUNTY IN NORTH CENTRAL KANSAS...
SOUTHERN SMITH COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 130 PM CDT

* AT 101 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 7 MILES NORTHWEST OF ALTON...OR 21 MILES
SOUTHEAST OF PHILLIPSBURG...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
CEDAR...GAYLORD...HARLAN AND ATHOL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3955 9904 3957 9904 3957 9907 3962 9907
3972 9900 3979 9894 3968 9863 3957 9884
3951 9900
TIME...MOT...LOC 1804Z 221DEG 23KT 3956 9900
HAIL 1.50IN
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Re: Plains Tornado Outbreak: High Risk on 4/14-15 at OK,KS,NEB

#345 Postby cycloneye » Sat Apr 14, 2012 1:12 pm

Wow,it looks like the visits to the NWS offices are causing some delays.

ALERT ADMINISTRATIVE MESSAGE
NATIONAL WEATHER SERVICE SOUTHERN REGION HEADQUARTERS
1150 AM CDT SAT APR 14 2012

TO: ALL SR NWS OFFICES

FROM: SRH ROC

SUBJECT: POSSIBLE DELAYS IN POSTING TO WEB PAGES

DUE TO THE INCREASED NETWORK TRAFFIC ASSOCIATED WITH THE SEVERE
WEATHER TODAY AND TONIGHT...SOME OFFICES ARE EXPERIENCING 10 TO 15
MINUTE DELAYS IN POSTING GRAPHICASTS, ETC TO THEIR WEB PAGES. IF YOU
NOTICE IT TAKING LONGER THAN THIS...PLEASE CONTACT THE ROC VIA PHONE
(817) 978-1100, EXT 147 OR THROUGH THE SR-ROC NWSCHAT ROOM AND WE
CAN INVESTIGATE FURTHER.
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#346 Postby brunota2003 » Sat Apr 14, 2012 1:14 pm

Yep...their websites will be running sluggish today, that's for sure!
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Re: Plains Tornado Outbreak: High Risk on 4/14-15 at OK,KS,NEB

#347 Postby Fyzn94 » Sat Apr 14, 2012 1:17 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WICHITA KS
115 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* TORNADO WARNING FOR...
RUSSELL COUNTY IN CENTRAL KANSAS...

* UNTIL 145 PM CDT

* AT 110 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 6 MILES SOUTHWEST OF RUSSELL...AND MOVING
NORTHEAST AT 40 MPH.

HAZARD...DEVELOPING TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE
HOMES COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR
SNAPPED. VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.

* LOCATIONS IMPACTED INCLUDE...
RUSSELL...BUNKER HILL...LURAY...LUCAS...RUSSELL AIRPORT...WILSON
LAKE AND WALDO.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 177 AND 181.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 3914 9882 3914 9849 3913 9848 3898 9849
3871 9887 3883 9904
TIME...MOT...LOC 1816Z 216DEG 33KT 3886 9887

TORNADO...RADAR INDICATED
HAIL...1.00IN
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#348 Postby CrazyC83 » Sat Apr 14, 2012 1:22 pm

That's the first tornado warning with the new style type?
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#349 Postby Texas Snowman » Sat Apr 14, 2012 1:24 pm

Yup, believe it is.
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#350 Postby CrazyC83 » Sat Apr 14, 2012 1:25 pm

The Russell cell looks the most ominous.
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#351 Postby Texas Snowman » Sat Apr 14, 2012 1:25 pm

Weather Underground saying reports of a rain wrapped tornado west of Russell.
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#352 Postby Texas Snowman » Sat Apr 14, 2012 1:26 pm

BREAKING: Nebraska Cornhuskers reportedly cancel spring football game this afternoon due to severe weather threat.
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Re: Plains Tornado Outbreak: High Risk on 4/14-15 at OK,KS,NEB

#353 Postby CrazyC83 » Sat Apr 14, 2012 1:28 pm

PDS Tornado Watch likely farther south in Oklahoma, but maybe not in the near term. An additional Tornado Watch (probably not PDS) also possible in North-Central Texas.

MESOSCALE DISCUSSION 0525
NWS STORM PREDICTION CENTER NORMAN OK
0123 PM CDT SAT APR 14 2012

AREAS AFFECTED...CNTRL/WRN OK...ERN TX/OK PANHANDLES...WRN NORTH TX

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 141823Z - 142030Z

THE THREAT FOR SEVERE THUNDERSTORMS INCLUDING TORNADOES MAY INCREASE
THIS AFTERNOON...AND THE ISSUANCE OF A TORNADO WATCH IS POSSIBLE.

CONVECTIVE INITIATION MAY BECOME OF INCREASING CONCERN INTO
MID-AFTERNOON OWING TO A FEW APPARENT MESOSCALE PROCESSES:
1. LOW-LEVEL ASCENT ALONG A N-S-ORIENTED DRYLINE FROM THE ERN TX/OK
PANHANDLES ACROSS W TX THAT WILL SLOWLY MIX EWD DURING THE NEXT
COUPLE OF HOURS...AND MAY AID IN STORM INITIATION. SFC WINDS HAVE
SLIGHTLY VEERED WEST OF THE DRYLINE DURING THE LAST
HOUR...SUGGESTING THAT THE DRYLINE MAY BE MODESTLY SHARPENING WITH
AN ATTENDANT INCREASE IN LOW-LEVEL ASCENT. THE CUMULUS FIELD JUST
EAST OF THE DRYLINE APPEARS TO HAVE BECOME INCREASINGLY AGITATED PER
RECENT VIS SATELLITE IMAGES...WHICH COULD EVOLVE INTO DEEPENING
CONVECTION. STRONG HEATING AND DEEP BOUNDARY-LAYER CIRCULATIONS JUST
WEST OF THE DRYLINE WILL ALSO AID IN INITIATION.
2. A SECONDARY MOISTURE GRADIENT IS NOTED 30-50 MILES WEST OF THE
DRYLINE...WITH ATTENDANT ASCENT AUGMENTED BY AN
EWD-MIGRATING...SUBTLE MID-LEVEL SHORTWAVE TROUGH CROSSING THE AREA
PER WATER VAPOR IMAGERY. HIGH-BASED CUMULUS IS DEVELOPING OVER THE
CNTRL TX PANHANDLE WHERE THE MID-LEVEL ASCENT OVERLAYS THE SECONDARY
MOISTURE GRADIENT...AND THESE FEATURES MAY FOCUS INITIATION IN THE
ERN TX PANHANDLE DURING THE NEXT FEW HOURS.
3. A DIFFERENTIAL HEATING ZONE IS NOTED OVER WRN OK FROM ROGER MILLS
COUNTY SWD TOWARD WILBARGER COUNTY TX. THE VERTICAL CIRCULATION
WITHIN THIS ZONE OWING TO DIFFERENTIAL DIABATIC HEATING AND
DIFFERENTIAL VERTICAL MIXING RATES COULD ALSO FOCUS CONVECTIVE
INITIATION THIS AFTERNOON.

THUNDERSTORMS MAY ERUPT ALONG THE AFOREMENTIONED FEATURES BETWEEN
1930 AND 2100Z. IF CONVECTIVE INITIATION OCCURS...STORMS WOULD
RAPIDLY BECOME SEVERE. EFFECTIVE BULK SHEAR MAGNITUDES OF 45-55 KT
WILL FAVOR RAPID EVOLUTION TO FAST MOVING SUPERCELL STRUCTURES. WITH
531 M2/S2 OF EFFECTIVE SRH ACCORDING TO THE 17Z NORMAN RAOB...AND A
LARGE DEGREE OF STREAMWISE VORTICITY IN THE LOWEST 0.5
KM...TORNADOES...SOME STRONG...WILL BE OF CONCERN...CONTINGENT ON
THE INITIATION OF STORMS. THE MORE SUBSTANTIAL THREAT FOR STRONGER
TORNADOES WILL BE NORTH OF THE RED RIVER...WHERE THE ISSUANCE OF A
PARTICULARLY DANGEROUS SITUATION TORNADO WATCH WILL BE POSSIBLE.
THE
THREAT COULD BE SOMEWHAT LOWER SOUTH OF THE RED RIVER...WHERE
LOW-LEVEL SHEAR MAY NOT BE AS STRONG AND CONVECTIVE COVERAGE NOT AS
GREAT.

ULTIMATELY...THE ISSUANCE OF A TORNADO WATCH WILL BE CONTINGENT ON
AN INCREASINGLY APPARENT UPTICK IN CONVECTION...FOR WHICH SOME
UNCERTAINTY REMAINS. SATELLITE AND OBSERVATIONAL TRENDS WILL
CONTINUE TO BE MONITORED...WITH A WW...OR PERHAPS MULTIPLE
WATCHES...POSSIBLY BEING ISSUED BY MID-AFTERNOON.

..COHEN.. 04/14/2012


ATTN...WFO...FWD...OUN...LUB...AMA...

LAT...LON 35520075 36640081 36930060 36840013 36259953 36159861
36119725 35209714 34139728 33509810 33569963 34640038
35520075
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Re: Plains Tornado Outbreak: High Risk on 4/14-15 at OK,KS,NEB

#354 Postby cycloneye » Sat Apr 14, 2012 1:34 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
131 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
SOUTHWESTERN MITCHELL COUNTY IN NORTH CENTRAL KANSAS...
EASTERN OSBORNE COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 200 PM CDT

* AT 128 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 9 MILES SOUTHWEST OF LURAY...OR 47 MILES
SOUTHWEST OF BELOIT...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
HUNTER...OSBORNE...TIPTON...VICTOR...DOWNS AND PORTIS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3913 9885 3957 9870 3937 9809 3921 9830
3921 9848 3913 9850
TIME...MOT...LOC 1831Z 212DEG 49KT 3903 9873
HAIL 1.75IN

$$

HEINLEIN
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#355 Postby brunota2003 » Sat Apr 14, 2012 1:36 pm

ASOS at the Russell Airport in Russell Count, KS (Tornado warned cell) measured winds of 74 mph.

Date Time (CDT) Raw METAR Surface Observation

14 13:28 KRSL 141828Z AUTO 31016G64KT 1/4SM +TSRA FG SQ SCT006 BKN012 OVC018 16/16 A2947 RMK AO2 PK WND 18064/1822 WSHFT 1814 LTG DSNT ALQDS P0043

Peak Wind had a direction of 180 degrees, with a peak wind speed of 64 knots.
Last edited by brunota2003 on Sat Apr 14, 2012 1:41 pm, edited 1 time in total.
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#356 Postby WeatherGuesser » Sat Apr 14, 2012 1:36 pm

SPC's pages seem to be loading slower for me.
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#357 Postby Dave » Sat Apr 14, 2012 1:44 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WICHITA KS
143 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* TORNADO WARNING FOR...
NORTHWESTERN LINCOLN COUNTY IN CENTRAL KANSAS...
NORTHEASTERN RUSSELL COUNTY IN CENTRAL KANSAS...

* UNTIL 215 PM CDT

* AT 138 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 5 MILES SOUTHEAST OF LURAY...AND MOVING
NORTHEAST AT 55 MPH.

HAZARD...DEVELOPING TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE
HOMES COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR
SNAPPED. VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.

* LOCATIONS IMPACTED INCLUDE...
ASH GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.
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#358 Postby brunota2003 » Sat Apr 14, 2012 1:47 pm

Wichita Weather office said they got several reports from chasers that the tornado is rain wrapped and keeps briefly touching down before lifting back up.

I got to watch them just put out that tornado warning...TWC has staff in the NWS office.
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Re: Plains Tornado Outbreak: High Risk on 4/14-15 at OK,KS,NEB

#359 Postby Fyzn94 » Sat Apr 14, 2012 1:47 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
141 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* TORNADO WARNING FOR...
NORTHERN CLARK COUNTY IN SOUTHWEST KANSAS...
EXTREME SOUTH CENTRAL FORD COUNTY IN SOUTHWEST KANSAS...
EAST CENTRAL MEADE COUNTY IN SOUTHWEST KANSAS...

* UNTIL 215 PM CDT

* AT 137 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY STRONG ROTATION ASSOCIATED WITH A POSSIBLE TORNADO 9 MILES
NORTHWEST OF ENGLEWOOD. THIS DANGEROUS STORM WAS MOVING NORTHEAST
AT 25 MPH. LARGE DESTRUCTIVE HAIL UP TO BASEBALL SIZE IS ALSO
EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
CLARK STATE LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3750 9997 3741 9973 3728 9962 3706 10014
3716 10021
TIME...MOT...LOC 1841Z 242DEG 20KT 3712 10010
HAIL 2.75IN
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Re: Plains Tornado Outbreak: High Risk on 4/14-15 at OK,KS,NEB

#360 Postby CrazyC83 » Sat Apr 14, 2012 1:48 pm

MESOSCALE DISCUSSION 0526
NWS STORM PREDICTION CENTER NORMAN OK
0141 PM CDT SAT APR 14 2012

AREAS AFFECTED...SWRN NEB THROUGH NWRN KS

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 141841Z - 142045Z

STORMS ARE EXPECTED TO DEVELOP FROM SWRN NEB THROUGH NWRN KS BY MID
TO LATE THIS AFTERNOON. SUPERCELLS WITH TORNADOES AND VERY LARGE
HAIL ARE EXPECTED TO BE THE MAIN THREATS. TORNADO WATCH WILL BE
NEEDED BEFORE 20Z.


THIS AFTERNOON A WARM FRONT EXTENDS THROUGH SRN NEB INTO SWRN NEB
WHERE IT INTERSECTS A DRYLINE THAT ARCS SEWD THROUGH THE NERN TIP OF
CO THEN SWD THROUGH WRN KS. LOW CLOUDS ARE DECREASING FROM THE SOUTH
AS BOUNDARY LAYER MIXING DEVELOPS NWD. THIS IS CONTRIBUTING TO
DESTABILIZATION IN WARM SECTOR. LATEST OBJECTIVE ANALYSIS SHOWS AN
AXIS OF 500-1000 J/KG MLCAPE FROM SWRN NEB INTO NWRN KS...AND
INSTABILITY WILL INCREASE FURTHER AS DIABATIC WARMING CONTINUES.
BANDS OF HIGH LEVEL CIRRUS HAVE BEEN INCREASING ACROSS NERN CO INTO
WRN NEB...AND THIS MAY BE INDICATIVE OF AGEOSTROPHIC FORCING WITHIN
UPPER JET EXIT REGION THAT WILL BEGIN TO OVERTAKE THE DRYLINE THIS
AFTERNOON. LATEST VISIBLE IMAGERY SHOWS AN AREA OF CUMULUS
INCREASING IN VICINITY OF THE DRYLINE OVER WCNTRL KS. AS THE CAP
WEAKENS AND THE BOUNDARY LAYER CONTINUES TO DESTABILIZE...STORMS ARE
EXPECTED TO INITIATE FROM NWRN KS THROUGH SWRN NEB. EFFECTIVE DEEP
SHEAR OF 50+ KT WILL SUPPORT SUPERCELLS WITH VERY LARGE HAIL AND
TORNADOES LIKELY.

..DIAL.. 04/14/2012


ATTN...WFO...GID...LBF...GLD...BOU...CYS...

LAT...LON 39180089 39500107 40510161 41230227 41570271 41900236
41950096 41539947 41169938 40669997 39400035 39180089
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