Dr. Jeff Masters' WunderBlog |
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| Posted by: Dr. Jeff Masters, 2:57 PM GMT on April 13, 2012 | +47 |
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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.
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...and I think there it goes. Looks like a weak TS signature just SE of Clearwater. -25kts to +50kts about 5 pixels apart. Maybe not a tornado, but a circulation could be forming.
NATIONAL WEATHER SERVICE WICHITA KS
954 PM CDT SAT APR 14 2012
KSC173-150315-
/O.CON.KICT.TO.W.0030.000000T0000Z-120415T0315Z/
SEDGWICK KS-
954 PM CDT SAT APR 14 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR SEDGWICK COUNTY UNTIL 1015
PM CDT...
AT 951 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED JUST SOUTH OF CLEARWATER...AND MOVING NORTHEAST AT 30 MPH.
CLEARWATER COULD BE HIT!
THIS IS A PARTICULARLY DANGEROUS SITUATION.
HAZARD...DAMAGING TORNADO.
SOURCE...RADAR CONFIRMED TORNADO.
IMPACT...MAJOR HOUSE AND BUILDING DAMAGE LIKELY AND COMPLETE
DESTRUCTION POSSIBLE. NUMEROUS TREES SNAPPED. MAJOR POWER
OUTAGES IN PATH OF TORNADO HIGHLY LIKELY. SOME ROADS
POSSIBLY BLOCKED BY TORNADO DEBRIS. COMPLETE DESTRUCTION OF
VEHICLES LIKELY.
LOCATIONS IMPACTED INCLUDE...
DOWNTOWN WICHITA...CLEARWATER...GODDARD...MULVANE...HAYSVIL LE...SOUTH
WICHITA...WICHITA MID CONTINENT AIRPORT...MCCONNELL AIR FORCE BASE...
WEST WICHITA...DERBY...EAST WICHITA...MAIZE...NORTHEAST WICHITA...
PARK CITY...COLWICH...VALLEY CENTER...LAKE AFTON...OAKLAWN...BEL AIRE
AND JABARA AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...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.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 3748 9780 3784 9752 3783 9715 3747 9716
TIME...MOT...LOC 0254Z 216DEG 28KT 3746 9751
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...SIGNIFICANT
HAIL...2.50IN
$$
KLEINSASSER
Neighboring radar sites are not seeing the near-surface circulation, they are seeing the mesocyclone. The mesocyclone does not appear to have weakened. The tornado is near-enough to the WFO Wichita radar that we can see actual tornadic circulations because it is sampling near to the surface.
These warnings were posted here...but no follow-ups since then...
On the NWS radar it seems to be tightening up again.
If it's a TVS from GR2Analyst, it's coming from the scans just above the ground. The lowest tilt is suggestive of a developing tornado; the tilts about 2000-5000ft above ground level are showing much stronger rotation.
UPDATE: 0305UTC scan now shows stronger signature on reflectivity and velocity. Subtle TS signature continues. No debris on rho/cc yet.
Rain fade.
Link
Forbes said weakening
Yep. Static and occasional break ups now. They're evacuating non-essential personnel.
TORNADO WARNING
NATIONAL WEATHER SERVICE WICHITA KS
1009 PM CDT SAT APR 14 2012
THE NATIONAL WEATHER SERVICE IN WICHITA HAS REISSUED A
* TORNADO WARNING FOR...
SEDGWICK COUNTY IN SOUTH CENTRAL KANSAS...
* UNTIL 1100 PM CDT
* AT 1007 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO
WAS LOCATED NEAR CLEARWATER...AND MOVING NORTHEAST AT 30 MPH.
THIS IS A PARTICULARLY DANGEROUS SITUATION.
HAZARD...DAMAGING TORNADO.
SOURCE...SPOTTER CONFIRMED TORNADO.
IMPACT...MAJOR HOUSE AND BUILDING DAMAGE LIKELY AND COMPLETE
DESTRUCTION POSSIBLE. NUMEROUS TREES SNAPPED. MAJOR POWER
OUTAGES IN PATH OF TORNADO HIGHLY LIKELY. SOME ROADS
POSSIBLY BLOCKED BY TORNADO DEBRIS. COMPLETE DESTRUCTION
OF VEHICLES LIKELY.
* LOCATIONS IMPACTED INCLUDE...
DOWNTOWN WICHITA...GODDARD...MULVANE...HAYSVILLE...DERBY... WICHITA
MID CONTINENT AIRPORT...SOUTH WICHITA...WEST WICHITA...MCCONNELL
AIR FORCE BASE...MAIZE...EAST WICHITA...PARK CITY...VALLEY
CENTER...NORTHEAST WICHITA...OAKLAWN...BEL AIRE...JABARA AIRPORT
AND KECHI.
THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 34 AND 54.
THIS INCLUDES INTERSTATE 135 BETWEEN MILE MARKERS 0 AND 22.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...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.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 3748 9768 3791 9745 3791 9716 3748 9715
TIME...MOT...LOC 0309Z 215DEG 25KT 3753 9744
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...SIGNIFICANT
HAIL...2.50IN
$$
Dont think so yet but I think it has weakend
EDIT: I think I heard the sirens through the TV broadcast
source: KSN tv
Forbes said the Greenburg tornado of 2007 was weakening.
If it was cycling, it is done now.
Okay it's this dang radar fuZ
KSC053-113-159-150400-
/O.NEW.KICT.TO.W.0033.120415T0310Z-120415T0400Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WICHITA KS
1010 PM CDT SAT APR 14 2012
THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN ELLSWORTH COUNTY IN CENTRAL KANSAS...
NORTHWESTERN MCPHERSON COUNTY IN CENTRAL KANSAS...
NORTHERN RICE COUNTY IN CENTRAL KANSAS...
* UNTIL 1100 PM CDT
* AT 1005 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO
WAS LOCATED NEAR LYONS...AND MOVING NORTHEAST AT 55 MPH.
THIS IS A PARTICULARLY DANGEROUS SITUATION!
HAZARD...DAMAGING TORNADO.
SOURCE...EMERGENCY MANAGEMENT CONFIRMED TORNADO.
IMPACT...MAJOR HOUSE AND BUILDING DAMAGE LIKELY AND COMPLETE
DESTRUCTION POSSIBLE. NUMEROUS TREES SNAPPED. MAJOR POWER
OUTAGES IN PATH OF TORNADO HIGHLY LIKELY. SOME ROADS
POSSIBLY BLOCKED BY TORNADO DEBRIS. COMPLETE DESTRUCTION
OF VEHICLES LIKELY.
* LOCATIONS IMPACTED INCLUDE...
GENESEO...LITTLE RIVER...LYONS AND KANOPOLIS STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING LARGE TORNADOES! TAKE COVER IN
A BASEMENT OR STORM SHELTER NOW!
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
WICHITA.
&&
LAT...LON 3868 9802 3849 9777 3826 9819 3840 9834
TIME...MOT...LOC 0310Z 228DEG 37KT 3841 9816
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...SIGNIFICANT
HAIL...1.75IN
$$
SCHMINKE
Well, it WAS weakening. It just recycled in the last couple minutes. It quickly (within a few scans) went from nothing to strong tornado. He's not really wrong, just behind by 5-10 minutes.
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