June 10-15th severe weather thread

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Re: June 10-15th severe weather thread

#21 Postby Category 5 » Tue Jun 10, 2008 7:19 pm

WUUS51 KPHI 110017
SVRPHI
NJC005-007-PAC017-091-101-110115-
/O.NEW.KPHI.SV.W.0062.080611T0016Z-080611T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
816 PM EDT TUE JUN 10 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 915 PM EDT

* AT 812 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR CHESTNUT
HILL...OR ABOUT 6 MILES WEST OF PHILADELPHIA...AND MOVING EAST AT
35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
ROCKLEDGE...HOLMESBURG...TACONY AND WISSINOMING BY 830 PM...
NORTHEAST PHILADELPHIA AND HOLMESBURG BY 835 PM...
ANDALUSIA...FEASTERVILLE AND RIVERSIDE BY 840 PM... BENSALEM BY 845 PM...

THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY
MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.

LAT...LON 4025 7485 4015 7473 4007 7463 3992 7506
3989 7517 3986 7524 3997 7525 4008 7537
TIME...MOT...LOC 0016Z 254DEG 30KT 4005 7520

$$

GORSE

By all means, that means me.
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Re: June 10-15th severe weather thread

#22 Postby Stephanie » Tue Jun 10, 2008 7:24 pm

Did you see that cell that was just to the west of Philadelphia? That went into Bucks County and it was pretty darn scary looking! :eek:

We're in a severe thunderstorm watch until 1:00 am. However, the sun is setting so there won't be as much instability.

I just hope we get some rain from this after 4 plus days of over 90 degree heat. Tomorrow we're cooling down - to 90. :roll:
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Re: June 10-15th severe weather thread

#23 Postby angelwing » Tue Jun 10, 2008 7:29 pm

It's here!!!!!!!! AWESOME LIGHTING!!!!!!!!
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Re: June 10-15th severe weather thread

#24 Postby Stephanie » Tue Jun 10, 2008 8:00 pm

We're still waiting. Probably another hour or so.
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Re: June 10-15th severe weather thread

#25 Postby Category 5 » Tue Jun 10, 2008 8:07 pm

angelwing wrote:It's here!!!!!!!! AWESOME LIGHTING!!!!!!!!


I saw it too, cloud to ground city!
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Re: June 10-15th severe weather thread

#26 Postby Mightybri » Tue Jun 10, 2008 9:10 pm

Wow, can't believe I'm posting this before anyone else.

WFUS53 KGID 110130
TORGID
KSC163-110215-
/O.NEW.KGID.TO.W.0069.080611T0130Z-080611T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
830 PM CDT TUE JUN 10 2008

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
ROOKS COUNTY IN NORTH CENTRAL KANSAS

* UNTIL 915 PM CDT

* AT 828 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PALCO...OR
13 MILES SOUTHEAST OF HILL CITY...MOVING EAST AT 24 MPH.

* THE TORNADO WILL BE NEAR...
DAMAR BY 835 PM CDT
PALCO BY 840 PM CDT
ZURICH AND WEBSTER STATE PARK BY 855 PM CDT
PLAINVILLE AND CODELL BY 915 PM CDT

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3937 9961 3938 9960 3948 9961 3956 9922
3918 9913 3915 9961
TIME...MOT...LOC 0130Z 265DEG 21KT 3927 9962
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#27 Postby brunota2003 » Tue Jun 10, 2008 9:26 pm

That same cell has produced two reports of softball sized (4.25 inches in diameter) hail.
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ot

#28 Postby Bunkertor » Tue Jun 10, 2008 9:40 pm

Mightybri wrote:Wow, can't believe I'm posting this before anyone else.


Basketball-sized hail, i hope will drop on Bryant and Dave.
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Re:

#29 Postby brunota2003 » Tue Jun 10, 2008 9:45 pm

brunota2003 wrote:That same cell has produced two reports of softball sized (4.25 inches in diameter) hail.

Also, two additional reports of Baseball sized hail as the storm continues to move eastward.
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#30 Postby brunota2003 » Tue Jun 10, 2008 9:55 pm

I think I'd drop the tornado warning. There is a nice inflow notch, but no real rotation (that I see) on the radar. There is one spot of +7.50 against a -35.00, which on the newest update the +'s are gone. Switch it to a SVR Warning for either Golfball or Baseball sized hail.

Judging by the NWS Reports recently, I'd go with Golfball sized hail, and mention possibly larger.
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#31 Postby brunota2003 » Tue Jun 10, 2008 9:59 pm

I got -55.00 Knots 6660 feet off the ground, so very possible damaging winds are occurring or are getting ready to occur. This is where GrLevel2 Analyst would come in handy, for the 3D Splice through the storm. I also still think I would of mentioned or possibly larger hail in the warning below:

Heh, just issued on the GR:

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
958 PM CDT TUE JUN 10 2008

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
OSBORNE COUNTY IN NORTH CENTRAL KANSAS
EASTERN ROOKS COUNTY IN NORTH CENTRAL KANSAS

* UNTIL 1100 PM CDT

* AT 957 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL
SIZE. THIS STORM WAS LOCATED 8 MILES NORTH OF NATOMA...OR 34 MILES
SOUTH OF PHILLIPSBURG...AND MOVING EAST AT 19 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
WOODSTON BY 1005 PM CDT
ALTON BY 1030 PM CDT
OSBORNE BY 1100 PM CDT

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
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#32 Postby Bunkertor » Wed Jun 11, 2008 1:38 am

SPC AC 110601

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0101 AM CDT WED JUN 11 2008

VALID 111200Z - 121200Z

...THERE IS A MDT RISK OF SVR TSTMS ACROSS PARTS OF ERN NEB...WRN IA
AND FAR SRN MN...

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE CNTRL
PLAINS...UPPER MIDWEST...SRN PLAINS AND NRN PLAINS...

...REGIONAL SEVERE WEATHER OUTBREAK WITH TORNADOES LIKELY THIS
AFTERNOON AND EVENING ACROSS ERN NEB...WRN IA AND FAR SRN MN...

...GREAT PLAINS/UPPER MIDWEST/MID-MO VALLEY...
AN IMPRESSIVE UPPER-LEVEL LOW OVER THE NRN ROCKIES WILL MOVE SLOWLY
EWD TODAY AS A 60 TO 75 KT MID-LEVEL JET EJECTS NEWD ACROSS THE
CNTRL AND NRN PLAINS. THE MID-LEVEL JET WILL CREATE STRONG VERTICAL
SHEAR PROFILES ACROSS A VERY UNSTABLE AIRMASS WHICH WILL LIKELY BE
FAVORABLE FOR A WELL-FOCUSED SEVERE WEATHER OUTBREAK.

AT THE SFC...A LOW IS FORECAST TO MOVE NEWD ACROSS ERN SD THIS
MORNING WITH A COLD FRONT MOVING QUICKLY SEWD INTO CNTRL NEB AND WRN
KS. A SEVERE THREAT NORTHEAST OF THE SFC LOW WILL LIKELY BE ONGOING
THIS MORNING AS AN MCS MOVES EWD ACROSS ERN SD...SW MN AND NW IA.
INITIALLY...A THREAT FOR WIND DAMAGE AND HAIL WILL EXIST WITH THE
MCS. IN THE WAKE OF THE MCS...NEW THUNDERSTORMS WILL INITIATE ACROSS
SERN ND...ERN SD AND WRN MN THIS AFTERNOON. A THREAT FOR LARGE HAIL
AND WIND DAMAGE SHOULD EXIST WITH THIS ACTIVITY.

FURTHER SOUTH ACROSS ERN NEB...WRN IA AND NRN KS...THE AIRMASS
SHOULD BE CAPPED WHICH WILL LIKELY INHIBIT CONVECTIVE INITIATION
UNTIL MID-AFTERNOON. A STRONG LOW-LEVEL JET WILL REMAIN IN PLACE
ACROSS THE CNTRL PLAINS AND THIS WILL TRANSPORT ABUNDANT MOISTURE
RAPIDLY NWD. IN RESPONSE...SFC DEWPOINTS SHOULD REACH THE UPPER 60S
AND LOWER 70S F ACROSS MUCH OF ERN NEB AND WRN IA BY MID-AFTERNOON.
THIS WILL RESULT IN STRONG INSTABILITY AHEAD OF THE COLD FRONT
ACROSS MUCH OF THE WARM SECTOR. MODEL FORECASTS SEEM REASONABLE
FIRST INITIATING THUNDERSTORMS ALONG AND AHEAD OF THE FRONT IN ERN
NEB AND NW IA WITH STORM COVERAGE EXPANDING SWWD INTO NRN KS BY
EARLY EVENING.

FORECAST SOUNDINGS ACROSS THE NRN AND WRN PART OF THE WARM SECTOR
SHOW STRONG VERTICAL SHEAR PROFILES ASSOCIATED WITH THE MID-LEVEL
JET. THIS ALONG WITH GRADUAL VEERING IN THE LOW TO MID-LEVELS SHOULD
BE VERY FAVORABLE FOR SUPERCELLS. DISCRETE SUPERCELLS WILL BE MOST
LIKELY DURING THE LATE AFTERNOON AND EARLY EVENING BEFORE A
SQUALL-LINE ORGANIZES. THE BOUNDARY LAYER SHEAR ASSOCIATED WITH THE
STRENGTHENING LOW-LEVEL JET WILL BE FAVORABLE FOR TORNADOES WITH THE
MORE PERSISTENT SUPERCELLS. FORECAST SOUNDINGS ACROSS THE MODERATE
RISK AREA INCREASE 0-1 KM STORM RELATIVE HELICITIES INTO THE 250 T0
300 M2/S2 RANGE SUGGESTING STRONG TORNADOES WILL BE POSSIBLE WITH
THE MORE DOMINANT SUPERCELLS. A TRANSITION TO A MORE LINEAR MODE
SHOULD OCCUR DURING THE EVENING AS A SQUALL-LINE WITH WIDESPREAD
WIND DAMAGE ORGANIZES AND MOVES EWD ACROSS THE MODERATE RISK AREA.
HOWEVER...VERTICAL SHEAR SHOULD STILL SUPPORT SUPERCELLS EMBEDDED IN
THE LINE AND AHEAD OF THE LINE. THE SEVERE THREAT SHOULD PERSIST
DURING MUCH OF THE OVERNIGHT PERIOD DUE TO THE RELATIVELY LARGE WARM
SECTOR.

FURTHER SOUTHWEST ACROSS WRN AND CNTRL KS...FORECAST SOUNDINGS SHOW
STRONG VERTICAL SHEAR SUGGESTING SUPERCELLS WILL ALSO DEVELOP IN
THIS REGION. A PLUME OF STEEP MID-LEVEL LAPSE RATES IS FORECAST FROM
THE TX PANHANDLE NEWD ACROSS CNTRL KS. THIS SHOULD SUPPORT A THREAT
FOR VERY LARGE HAIL. IN ADDITION...AN ISOLATED STRONG TORNADO MAY
OCCUR ACROSS NRN KS WHERE LCL HEIGHTS WILL BE LOWER THAN AREAS
FURTHER SOUTH. EVENTUALLY...A LINEAR MCS SHOULD ORGANIZE AND MOVE
SEWD ACROSS CNTRL KS DURING THE EVENING. FURTHER SOUTHWEST ACROSS SW
KS AND THE TX PANHANDLE...THUNDERSTORM DEVELOPMENT SHOULD REMAIN
ISOLATED. STILL...STEEP MID-LEVEL LAPSE RATES AND STRONG VERTICAL
SHEAR MAY BE SUFFICIENT FOR AN ISOLATED THREAT FOR VERY LARGE HAIL
IN THIS REGION.

...FL PENINSULA/ERN GULF COAST STATES/CAROLINAS...
MODERATE INSTABILITY IS FORECAST TO DEVELOP ONCE AGAIN TODAY ACROSS
MUCH OF THE SERN U.S. WITH DEWPOINTS IN THE UPPER 60S TO LOWER 70S
F. AS SCATTERED TO NUMEROUS THUNDERSTORMS INITIATE EARLY THIS
AFTERNOON...THE INSTABILITY AND STEEPENING LOW-LEVEL LAPSE RATES
SHOULD SUPPORT A MARGINAL THREAT FOR WIND DAMAGE. A THREAT FOR HAIL
WILL ALSO EXIST WITH THE MORE INTENSE CELLS.

..BROYLES/GRAMS.. 06/11/2008

CLICK TO GET WUUS01 PTSDY1 PRODUCT

NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z
CURRENT UTC TIME: 0638Z (8:38AM), RELOAD THIS PAGE TO UPDATE THE TIME
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Re: June 10-15th severe weather thread

#33 Postby liveweatherman » Wed Jun 11, 2008 4:21 am

Severe Weather Returns To Iowa & Nebraska
An in-depth analysis by ProMet Chris Sowers:
Severe weather looks to return to the High Plains and Upper Midwest today as an upper level low pressure system ejects out of the Rockies. Thunderstorms are expected to develop along a cold front that will stretch from eastern Nebraska/ western Iowa through northwestern Kansas. Some of these storms will produce strong gusty winds, large hail, dangerous lightning and tornadoes.
It appears that thunderstorm activity will be ongoing during the morning hours. These storms will be elevated in nature therefore large hail and strong winds will be the primary threats during the morning. But by afternoon the activity becomes more surfaced-based from the warm front southwestward along the cold front. These will be the storms that have the capability of becoming supercells producing very large hail, damaging winds and tornadoes. continue


As flooding continues in Iowa, chances of thunderstorm for today and tomorrow which will bring up the possibility of severe weather mostly likely in the form of large hail,damaging winds and isolated tornadoes..Heavy rain is also expected which may exceed to several inches that may cause flooding in some areas as well as might worsen the existing flooding..On the weekends there's still chances for thunderstorms to exist in some areas...

Radar Warnings across North Central:
Image


THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN MINNESOTA...AND WEST CENTRAL WISCONSIN.

HAZARDOUS WEATHER OUTLOOK
Issue Date: 123 AM CDT WED JUN 11 2008
Expiration: 600 AM CDT WED JUN 11 2008
.DAY ONE...OVERNIGHT

THUNDERSTORMS WILL GRADUALLY INCREASE IN COVERAGE ACROSS THE
OUTLOOK AREA THROUGH DAYBREAK. SOME OF THE THUNDERSTORMS IN WEST
CENTRAL MINNESOTA MAY BECOME SEVERE...PRIMARILY AFTER 4 AM...WITH
LARGE HAIL BEING THE MAIN RISK.
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#34 Postby CrazyC83 » Wed Jun 11, 2008 10:38 am

Here we go again...it seems the outbreaks will never end...
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Re: June 10-15th severe weather thread

#35 Postby tornado92 » Wed Jun 11, 2008 11:01 am

CrazyC83 wrote:Here we go again...it seems the outbreaks will never end...
And the season is ending, you would think its just started...
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Re: June 10-15th severe weather thread

#36 Postby CrazyC83 » Wed Jun 11, 2008 2:03 pm

tornado92 wrote:
CrazyC83 wrote:Here we go again...it seems the outbreaks will never end...
And the season is ending, you would think its just started...


The way this year has gone, we'll have tornado outbreaks right up to December.
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#37 Postby KWT » Wed Jun 11, 2008 2:09 pm

Yet another severe thunderstorm warning...

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
205 PM CDT WED JUN 11 2008

NDC037-059-111930-
/O.CON.KBIS.SV.W.0050.000000T0000Z-080611T1930Z/
GRANT ND-MORTON ND-
105 PM MDT WED JUN 11 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM MDT OR
230 PM CDT FOR CENTRAL MORTON AND EASTERN GRANT COUNTIES...

AT 106 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.
THIS STORM WAS LOCATED 8 MILES NORTH OF LARK...OR 33 MILES SOUTHWEST
OF BISMARCK...MOVING NORTH AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
ALMONT BY 220 PM CDT...

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 4673 10165 4675 10124 4619 10128 4617 10153
TIME...MOT...LOC 1905Z 178DEG 35KT 4656 10139

$$

VJ
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#38 Postby CrazyC83 » Wed Jun 11, 2008 2:10 pm

MESOSCALE DISCUSSION 1326
NWS STORM PREDICTION CENTER NORMAN OK
0203 PM CDT WED JUN 11 2008

AREAS AFFECTED...N CNTRL AND NERN KS THROUGH ERN NEB...WRN IA...SERN
SD AND SWRN MN

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 111903Z - 112100Z

THUNDERSTORMS ARE EXPECTED TO DEVELOP FROM N CNTRL AND NERN KS...ERN
NEB...SERN SD WITHIN THE NEXT COUPLE HOURS AND SPREAD EWD INTO WRN
IA AND SRN MN. STORMS ARE EXPECTED TO EVOLVE INTO BOTH SUPERCELL AND
LINEAR MODES WITH LARGE HAIL...DAMAGING WIND AND A FEW TORNADOES
POSSIBLE. A WW WILL LIKELY BE NEEDED BEFORE 21Z.

THIS AFTERNOON A COLD FRONT EXTENDS FROM A SURFACE LOW IN ERN SD SWD
THROUGH ERN NEB AND CNTRL KS. THE FRONT IS MOVING SLOWLY EWD. A WARM
FRONT STRETCHES FROM THE LOW THROUGH E CNTRL SD INTO SRN MN. SUBTLE
OUTFLOW BOUNDARY PERSISTS FROM ERN NEB SEWD ALONG THE IA-MO BORDER.
RICH LOW LEVEL MOISTURE WITH UPPER 60S TO NEAR 70 DEWPOINTS HAVE
ADVECTED THROUGH THE PRE-FRONTAL WARM SECTOR BENEATH 7-7.5 C/KM MID
LEVEL LAPSE RATES. THIS HAS CONTRIBUTED TO AN AXIS OF MODERATE TO
STRONG INSTABILITY FROM ERN NEB/WRN IA THROUGH ERN KS. MLCAPE RANGES
FROM 2500-3000 J/KG OVER ERN KS TO AOB 1500 J/KG FARTHER NORTH
ACROSS ERN NEB AND WRN IA WHERE LOW CLOUDS AND PRECIPITATION FROM
MORNING MCS HAVE SLOWED DIABATIC HEATING.

PLUME OF WARM MID LEVEL TEMPERATURES HAVE ADVECTED NEWD OVER THE
MOIST AXIS AND SO FAR HAVE EFFECTIVELY CAPPED MUCH OF WARM SECTOR TO
SURFACE BASED STORM INITIATION. HOWEVER...THE 18Z RAOB FROM OMAHA
ACTUALLY SHOWED A MODEST CAP WITH SURFACE TEMPERATURES AROUND 80F.
IT ALSO INDICATED PRESENCE OF A WARM LAYER CENTERED NEAR 600 MB
WHICH COULD POTENTIALLY LIMIT CAPE IN THE LOWEST 3 KM.
NEVERTHELESS...CONTINUED WARMING OF THE BOUNDARY LAYER AND HEIGHT
FALLS ACCOMPANYING A SPEED MAX ROTATING THROUGH SERN PERIPHERY OF
UPPER TROUGH WILL INCREASE POTENTIAL FOR THUNDERSTORM INITIATION
ALONG THE COLD FRONT WITHIN THE NEXT COUPLE OF HOURS FROM ERN NEB
THROUGH N CNTRL KS.

LARGE LOW LEVEL HODOGRAPHS WITH 250-300 M2/S2 STORM RELATIVE
HELICITY AND BULK SHEAR AOA 45 KT WILL SUPPORT THE POTENTIAL FOR
SUPERCELLS CAPABLE OF VERY LARGE HAIL AND TORNADOES...ESPECIALLY
WITH ANY DISCRETE MODES. HOWEVER...STORMS THAT INITIATE ALONG THE
FRONT WILL LIKELY EVENTUALLY EVOLVE INTO LINE SEGMENTS OR A MIX OF
LINE SEGMENTS WITH EMBEDDED SUPERCELLS WITH AN INCREASING THREAT OF
DAMAGING WIND WITH TIME. SOME THREAT ALSO EXISTS FOR DISCRETE STORMS
TO DEVELOP IN WARM SECTOR EAST OF THE FRONT WHICH WOULD AUGMENT THE
DISCRETE SUPERCELL/TORNADO THREAT...BUT THIS MODE OF INITIATION IS
MORE UNCERTAIN DUE TO PRESENCE OF WARM AIR ALOFT.

..DIAL.. 06/11/2008


ATTN...WFO...DMX...EAX...FSD...OAX...TOP...ICT...GID...

41379425 39199681 39009800 39859762 41289719 43389697
43339441
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#39 Postby KWT » Wed Jun 11, 2008 2:30 pm

SEVERE THUNDERSTORM WARNING
FLC035-109-112015-
/O.NEW.KJAX.SV.W.0198.080611T1929Z-080611T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
329 PM EDT WED JUN 11 2008

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
FLAGLER COUNTY IN NORTHEAST FLORIDA
EXTREME SOUTHERN ST. JOHNS COUNTY IN NORTHEAST FLORIDA

* UNTIL 415 PM EDT

* AT 329 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES
NORTHWEST OF BUNNELL...AND MOVING SOUTHEAST AT 7 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FLAGLER BEACH...ESPANOLA AND BUNNELL.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

LAT...LON 2946 8111 2928 8127 2949 8149 2963 8136
TIME...MOT...LOC 1929Z 309DEG 6KT 2951 8134

$$
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KWT
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Location: UK!!!

#40 Postby KWT » Wed Jun 11, 2008 2:53 pm

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
341 PM EDT WED JUN 11 2008

TNC029-059-112000-
/O.CON.KMRX.SV.W.0128.000000T0000Z-080611T2000Z/
COCKE TN-GREENE TN-
341 PM EDT WED JUN 11 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR WESTERN GREENE AND COCKE COUNTIES...

AT 336 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.
THIS STORM WAS LOCATED NEAR BYBEE...OR 11 MILES NORTH OF NEWPORT...
MOVING NORTH AT 9 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES SOUTHWEST OF MOHAWK BY 400 PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3627 8299 3608 8300 3597 8319 3609 8324
3609 8323 3612 8324 3613 8322 3615 8321
3613 8318 3618 8317 3619 8315
TIME...MOT...LOC 1941Z 158DEG 8KT 3612 8314

$$

MJB
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