Severe Weather - Week of May 22 Sunday thru Thursday

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Re: Severe Weather - Week of May 22 Sunday thru Thursday

#781 Postby WeatherGuesser » Wed May 25, 2011 1:02 am

ravyrn wrote:I just checked out Denning and the surrounding communities on Google Map Street View. Most of the structures in the areas are mobile homes or old wooden buildings, many with aluminum roofs.


That would be most small towns in the mid-south.
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#782 Postby WeatherGuesser » Wed May 25, 2011 1:09 am

Joplin, Missouri (CNN) -- The tornado that struck Joplin, Missouri, Sunday killed 124 people, authorities said Tuesday, in what was the deadliest single U.S. tornado since modern record-keeping began 61 years ago.

An estimated 750 people have been treated at area hospitals, said Joplin City Manager Mark Rohr,


Roughly 8,000 structures within the city of Joplin were damaged, Rohr said, citing a Federal Emergency Management Agency report. A previous estimate had put the number of buildings damaged or destroyed at 2,000.


http://www.cnn.com/2011/US/05/24/missou ... tml?hpt=C1
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#783 Postby WeatherGuesser » Wed May 25, 2011 1:14 am

Piedmont, OK "Our town is totally leveled,"

http://www.cnn.com/2011/US/05/24/severe ... tml?hpt=T2
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Re: Severe Weather - Week of May 22 Sunday thru Thursday

#784 Postby GCANE » Wed May 25, 2011 4:32 am

Pray for the driver in the semi on the first video - incredible.


[youtube]http://www.youtube.com/watch?v=1KSEDIPlMEk&feature=player_embedded[/youtube]

[youtube]http://www.youtube.com/watch?v=IJeibimujs4&feature=player_embedded[/youtube]

[youtube]http://www.youtube.com/watch?v=7BP0od7-aso&feature=player_embedded[/youtube]

[youtube]http://www.youtube.com/watch?v=roX4msxfs_w&feature=player_embedded[/youtube]

[youtube]http://www.youtube.com/watch?v=32Gyve8rcqY&feature=player_embedded[/youtube]

[youtube]http://www.youtube.com/watch?v=bY5xDIQZIyk&feature=player_embedded[/youtube]

[youtube]http://www.youtube.com/watch?v=iQnY7TRug1w&feature=player_embedded[/youtube]





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#785 Postby WeatherGuesser » Wed May 25, 2011 5:55 am

And the gun moves east and a bit north today over AR, MS, KY, MO, IL, IN


DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1257 AM CDT WED MAY 25 2011

VALID 251200Z - 261200Z

...THERE IS A MDT RISK OF SVR TSTMS ACROSS EASTERN
MISSOURI...EASTERN ARKANSAS...NORTHWEST MISSISSIPPI...WESTERN
TENNESSEE...WESTERN KENTUCKY...CENTRAL AND SOUTHERN ILLINOIS...AND
CENTRAL AND SOUTHERN INDIANA.



Oh joy.


Guess I'll be out looking at the sky later today.
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#786 Postby WeatherGuesser » Wed May 25, 2011 5:58 am

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0439 AM CDT WED MAY 25 2011

...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE LOWER
MISSISSIPPI...MID MISSISSIPPI...AND LOWER OHIO VALLEYS THIS
AFTERNOON AND TONIGHT...

THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF TORNADOES...LARGE HAIL AND DAMAGING WINDS OVER PARTS
OF THE LOWER MISSISSIPPI...MID MISSISSIPPI...AND LOWER OHIO VALLEYS
THIS AFTERNOON AND TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

CENTRAL AND EASTERN ARKANSAS
CENTRAL AND SOUTHERN ILLINOIS
CENTRAL AND SOUTHERN INDIANA
WESTERN KENTUCKY
CENTRAL AND EASTERN MISSOURI
NORTHERN MISSISSIPPI
WESTERN TENNESSEE

SURROUNDING THE GREATEST RISK AREA...SEVERE STORMS ARE ALSO POSSIBLE
FROM LOUSIANA NORTHEASTWARD TO THE UPPER OHIO VALLEY AND LOWER GREAT
LAKES.

THE STRONG JET STREAM DISTURBANCE IN PART RESPONSIBLE FOR
YESTERDAY'S TORNADO OUTBREAK IN THE PLAINS WILL CONTINUE EAST INTO
MISSOURI LATER TODAY AND INTO ILLINOIS BY EARLY THURSDAY AS ITS
ASSOCIATED SURFACE LOW AND COLD FRONT MOVE FROM EASTERN KANSAS TO
NEAR ST LOUIS.

WARM...MOIST SOUTHERLY WINDS STREAMING NORTHWARD AHEAD OF THE LOW
WILL UNDERCUT A BAND OF FAST...COOL...WEST-SOUTHWESTERLY JET STREAM
FLOW.

AS SURFACE HEATING OCCURS LATER TODAY...THUNDERSTORMS WILL FORM
ALONG AND AHEAD OF THE COLD FRONT PROGRESSING EAST ACROSS THE OZARKS
AND MID MISSISSIPPI VALLEY. OTHER STORMS MAY FORM ALONG A
STATIONARY FRONT EXTENDING EAST FROM THE LOW INTO ILLINOIS AND
INDIANA.

CONDITIONS WILL ONCE AGAIN BE FAVORABLE FOR THE DEVELOPMENT OF
LONG-LIVED ROTATING THUNDERSTORMS THAT COULD PRODUCE STRONG...
FAST-MOVING TORNADOES.
..IN ADDITION TO LARGE HAIL AND DAMAGING WIND.
THE STORMS MAY EVOLVE INTO AN EXTENSIVE BAND THIS EVENING...WITH AN
ASSOCIATED THREAT FOR DAMAGING WIND...HAIL...AND ISOLATED TORNADOES
SPREADING EAST ACROSS THE REMAINDER OF THE OHIO VALLEY AND INTO
PARTS OF THE TENNESSEE VALLEY LATER TONIGHT.

STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS DEVELOPING
SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO REVIEW SEVERE
WEATHER SAFETY RULES AND TO LISTEN TO RADIO...TELEVISION...AND NOAA
WEATHER RADIO FOR POSSIBLE WATCHES...WARNINGS...AND STATEMENTS LATER
TODAY.

..CORFIDI.. 05/25/2011
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#787 Postby Texas Snowman » Wed May 25, 2011 7:13 am

Dallas/Fort Worth was INCREDIBLY fortunate.

MULTIPLE reports of wall clouds, funnel clouds, and brief tornado touchdowns were reported across the heart of the Metroplex last night as several tornadic supercells converged on the two cities and their suburbs. One large tornado touched down in a sparsely populated area of SE Dallas County.

There were countless reports of quarter, golfball, and baseball size hail. The Ballpark in Arlington was evacuated due to severe weather and large hail.

And there was some limited tornado damage and tons of wind and hail damage. But not the grinding, death dealing tornado damage that could have happened if one of those storms had spit down a violent tornado.
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#788 Postby Texas Snowman » Wed May 25, 2011 7:14 am

We were also incredibly fortunate here in Grayson County where I live.

Two tornadic supercell thunderstorms roared through the middle of Grayson County last night producing high winds and up to baseball sized hail.

Despite the rotation on radar and the sighting of a funnel cloud or two, no tornadoes touched down locally.
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#789 Postby Texas Snowman » Wed May 25, 2011 7:17 am

And as horrible as the Oklahoma tornadoes were, if those had gone a few miles away into the heart of the OKC metro area, I shudder to even think about the results...
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Re: Severe Weather - Week of May 22 Sunday thru Thursday

#790 Postby charlesw » Wed May 25, 2011 7:36 am

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Re: Severe Weather - Week of May 22 Sunday thru Thursday

#791 Postby dizzyfish » Wed May 25, 2011 7:57 am

Heard from my friends this morning in OK. Both are fine although one had a very close call and is still waiting to hear on relatives and friends.

A dog rescue and a shelter were both destroyed. Lots of missing animals. :(
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#792 Postby Prairie Girl » Wed May 25, 2011 8:08 am

TORNADO WARNING
ILC147-251345-
/O.NEW.KILX.TO.W.0032.110525T1257Z-110525T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
757 AM CDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
NORTHERN PIATT COUNTY IN CENTRAL ILLINOIS...

* UNTIL 845 AM CDT.

* AT 751 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A CONFIRMED TORNADO NEAR MONTICELLO. DOPPLER RADAR SHOWED THIS
TORNADO MOVING NORTHEAST AT 60 MPH. SPOTTERS REPORTED THE TORNADO
ON THE GROUND NORTH OF CERRO GORDER AT 745 AM.

* LOCATIONS IMPACTED INCLUDE...
WHITE HEATH...MANSFIELD...LODGE AND GALESVILLE.

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 4028 8846 4000 8847 3986 8875 4003 8874
TIME...MOT...LOC 1257Z 223DEG 51KT 4008 8856

$$

SHIMON
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#793 Postby psyclone » Wed May 25, 2011 8:19 am

i suspected that twit pic last night showing the alleged wedge tornado over dallas was just a rainshaft. at this point i'm guessing that was the case.
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#794 Postby psyclone » Wed May 25, 2011 8:20 am

looks like another extremely dangerous day over the mid mississippi valley.
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#795 Postby Bunkertor » Wed May 25, 2011 8:25 am

SPC AC 251255

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0755 AM CDT WED MAY 25 2011

VALID 251300Z - 261200Z
Image
Hail
Image
Tor
Image
Wind
Image

...THERE IS A HIGH RISK OF SVR TSTMS OVER PARTS OF NORTHEAST
ARKANSAS...SOUTHEAST MISSOURI...SOUTHERN ILLINOIS...SOUTHWEST
INDIANA...WESTERN KENTUCKY...AND WESTERN TENNESSEE...


...THERE IS A MDT RISK OF SVR TSTMS SURROUNDING THE HIGH RISK
AREA...FROM PARTS OF THE LWR AND MID MS VLYS INTO THE LWR OH VLY...


...THERE IS A SLGT RISK OF SVR TSTMS SURROUNDING THE ABOVE
AREAS...FROM SE TX NORTHEAST TO THE LWR GRT LKS...


...SVR WEATHER OUTBREAK EXPECTED FROM THE OZARKS AND MID/LWR MS VLY
INTO THE OH VLY TODAY THROUGH TONIGHT...

POTENT KS UPR LOW WILL CONTINUE EAST INTO WRN MO LATE TODAY...AND
INTO WRN IL EARLY THU...AS ASSOCIATED BELT OF 70+ KT MID LVL FLOW
SWEEPS E/NE FROM THE SRN PLNS/OZARKS INTO THE LWR MS/LWR TN VLYS.
AT THE SAME TIME...SFC LOW NOW OVER ERN KS SHOULD TRACK E INTO CNTRL
MO BY TNGT...AND INTO CNTRL IL EARLY THU. A SERIES OF CONFLUENCE
AXES/WEAK COLD FRONTS IN THE SRN QUADRANT OF THE LOW WILL MOVE
STEADILY E ACROSS THE OZARKS AND MID/LWR MS VLYS TODAY THROUGH EARLY
THU. E OF THE LOW...FRONT NOW EXTENDING EWD ACROSS CNTRL IL/IND
SHOULD ADVANCE N/NEWD AS A WARM FRONT INTO SRN MI AND THE LWR GRT
LKS.

...OZARKS INTO THE MID/LWR MS AND OH VLYS TODAY/TONIGHT...
STRONG SFC-BASED INSTABILITY WILL DEVELOP TODAY WITHIN DRY SLOT OF
SYSTEM UPR LOW AS THAT SYSTEM CONTINUES STEADILY EWD. BY EARLY TO
MID AFTN...SBCAPE SHOULD BE AOA 2500 J/KG OVER A BROAD CORRIDOR S OF
WARM FRONT FROM CNTRL IL/IND SWD INTO THE LWR MS... WITH HIGHER
VALUES POSSIBLE IN AXIS OF RICHEST BOUNDARY LAYER MOISTURE OVER THE
MS DELTA REGION OF AR/MS/TN.

SCTD TSTMS SHOULD FORM IN WEAKLY CAPPED ENVIRONMENT ON LEAD WIND
SHIFT/COLD FRONT OVER THE MO/AR OZARKS BY EARLY AFTN...WITH OTHER
STORMS LIKELY TO FORM AROUND THE SAME TIME OR PERHAPS A BIT LATER
ALONG LOW LVL CONFLUENCE AXIS EXTENDING FROM THE SRN IL SSW INTO SE
MO/ERN AR/WRN TN. ISOLD DEVELOPMENT ALSO MAY OCCUR LATE THIS AFTN
AND EVE SWWD ALONG COLD FRONT INTO SE TX AND LA.

STORM DEVELOPMENT FROM AR/TN NWD WILL BE AUGMENTED BY ASCENT/MID LVL
COOLING ASSOCIATED WITH VORT LOBE NOW ENTERING NW AR. AS THIS
FEATURE CONTINUES PIVOTING NEWD...ASSOCIATED BAND OF 50+ KT WSWLY TO
SWLY 700 MB FLOW WILL OVERSPREAD MUCH OF AR...SE MO...SRN
IL/IND...AND WRN PORTIONS OF KY/TN...ENHANCING CLOUD LAYER SHEAR.
AT THE SAME TIME...BROAD CURRENT OF SSWLY LOW LVL FLOW WILL PERSIST
AHEAD OF THE SFC LOW...MAINTAINING WIDESPREAD AREA WITH PW AOA 1.25
INCHES FROM THE WRN GULF CST WELL INTO THE OH VLY/LWR GRT LKS.

COMBINATION OF BROAD...MOISTURE-RICH...WEAKLY-CAPPED UNSTABLE
ENVIRONMENT WITH SUBSTANTIAL DEEP SHEAR SHOULD SUPPORT NUMEROUS
SUSTAINED SUPERCELLS WITH VERY LARGE HAIL AND HIGH WINDS. SOME OF
THE STORMS...ESPECIALLY THOSE ALONG IL/MO/AR CONFLUENCE BAND...COULD
YIELD STRONG/VIOLENT TORNADOES. STRONG TORNADOES ALSO MAY OCCUR
ALONG W/E WARM FRONT IN IL/IND. WIND PROFILES AND WEAKLY LINEAR LOW
LVL FORCING SUGGEST THAT THE ACTIVITY WILL EVOLVE INTO BROKEN LINE
SEGMENTS. EMBEDDED BOWING SEGMENTS/SUPERCELLS WITHIN THESE
STRUCTURES LIKELY WILL POSE A CONTINUED RISK FOR TORNADOES IN
ADDITION TO DMGG WIND/SVR HAIL INTO THE NIGHT. AN EXTENSIVE QLCS
MAY EVOLVE OVER PARTS OF THE OH AND TN VLYS BY EARLY THU AS THE BAND
OF STRONGEST...LARGELY UNIDIRECTIONAL DEEP SSWLY FLOW ON ERN SIDE OF
MO/IL UPR TROUGH APPROACHES THE WRN SLOPES OF THE APPALACHIANS.

..CORFIDI/SMITH.. 05/25/2011

CLICK TO GET WUUS01 PTSDY1 PRODUCT
Last edited by Bunkertor on Wed May 25, 2011 8:57 am, edited 1 time in total.
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Re: Severe Weather - Week of May 22 Sunday thru Thursday

#796 Postby GCANE » Wed May 25, 2011 8:31 am

Memphis per NAM at 21Z


Image


Image
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Re: Severe Weather - Week of May 22 Sunday thru Thursday

#797 Postby GCANE » Wed May 25, 2011 8:50 am

Image


MESOSCALE DISCUSSION 0951
NWS STORM PREDICTION CENTER NORMAN OK
0833 AM CDT WED MAY 25 2011

AREAS AFFECTED...ERN IL AND IND

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 251333Z - 251500Z

A SEVERE THREAT WILL LIKELY SPREAD EWD ACROSS IND OVER THE NEXT FEW
HOURS. THE SEVERE STORMS WILL BE CAPABLE OF PRODUCING
TORNADOES...HAIL AND ISOLATED WIND DAMAGE. WW ISSUANCE WILL LIKELY
BE NEEDED OVER THE NEXT HOUR ACROSS THE REGION.

A NEARLY CONTINUOUS LINE OF STRONG THUNDERSTORMS IS ONGOING IN ERN
IL THE NOSE OF A 55 TO 65 KT MID-LEVEL JET EJECTING NEWD ACROSS THE
MID-MS VALLEY. THE LINE IS ALSO LOCATED ALONG THE LEADING EDGE OF
LARGE-SCALE ASCENT ASSOCIATED WITH A SHORTWAVE TROUGH ROUNDING THE
ERN EDGE OF THE CNTRL PLAINS UPPER-LEVEL LOW. AS THIS FEATURE ALONG
WITH THE MID-LEVEL JET MOVE EWD THIS MORNING...THE LIFT AND STRONG
DEEP LAYER SHEAR WILL SUPPORT SEVERE THUNDERSTORM DEVELOPMENT ACROSS
IND. THE STORMS WILL ALSO HAVE ACCESS TO INCREASING LOW-LEVEL SHEAR
AS A PRONOUNCED LOW-LEVEL JET MOVES EWD ACROSS CNTRL IND MAKING
CONDITIONS FAVORABLE FOR TORNADOES AND DAMAGING WINDS ESPECIALLY
WITH BOWING-LINE SEGMENTS. IN ADDITION TO THE TORNADO AND WIND
DAMAGE THREAT...HAIL WILL BE POSSIBLE WITH THE MORE INTENSE CELLS.

..BROYLES.. 05/25/2011

Image
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#798 Postby southerngale » Wed May 25, 2011 8:54 am

GCANE - great pics and videos. I watched them all. Thanks for posting.

Would you mind giving a brief explanation of the Memphis sounding you posted for those who can't read it?
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#799 Postby Bunkertor » Wed May 25, 2011 9:00 am

MESOSCALE DISCUSSION 0950
NWS STORM PREDICTION CENTER NORMAN OK
0748 AM CDT WED MAY 25 2011
Image
AREAS AFFECTED...SOUTHERN/EASTERN IL INTO INDIANA

CONCERNING...TORNADO WATCH 367...

VALID 251248Z - 251415Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 367 CONTINUES.

TORNADO WATCH 367 CONTINUES UNTIL 18Z...WITH THE PRIMARY SEVERE
THREAT ACROSS SOUTHERN/EASTERN IL THIS MORNING. DOWNSTREAM OF WW
367...A SEVERE THREAT WILL LIKELY INCREASE ACROSS PORTIONS OF
INDIANA RELATIVELY EARLY TODAY...SUCH THAT A WATCH MAY BE NEEDED.

FRAGMENTED QUASI-LINEAR CONVECTIVE CLUSTERS CONTINUE TO STEADILY
RACE EAST-NORTHEASTWARD ACROSS SOUTH-CENTRAL AND
EAST-CENTRAL/NORTHEAST IL JUST AFTER DAYBREAK. WITHIN A VERY
STRONG/DEEP LAYER WIND FIELD...ISOLATED BOUTS OF DAMAGING
WINDS/SMALL AND PERHAPS A TORNADO REMAIN POSSIBLE IN THE SHORT
TERM...WITH HEATING OF THE DAY EXPECTED TO ONLY REINVIGORATE THE
SEVERE THREAT BY LATE MORNING/MIDDAY...POTENTIALLY INTO PORTIONS OF
INDIANA. ALONG THESE LINES...A 43 KT GUST WAS RECENTLY MEASURED IN
DECATUR IL. THE 12Z OBSERVED RAOB FROM LINCOLN IL WAS INDICATIVE OF
VERY STEEP LAPSE RATES ALOFT /IN EXCESS OF 7 C PER KM IN THE MID
LEVELS/ AND AMPLE MOISTURE WITH MUCAPE ON THE ORDER 2800
J/KG...WHICH WILL BECOME INCREASINGLY REALIZED FOR SURFACE BASED
PARCELS AS THE BOUNDARY LAYER HEATS.

..GUYER.. 05/25/2011
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#800 Postby Bunkertor » Wed May 25, 2011 9:05 am

30/20
Image
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 367
NWS STORM PREDICTION CENTER NORMAN OK
545 AM CDT WED MAY 25 2011

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

CENTRAL AND EASTERN ILLINOIS
FAR SOUTHEAST MISSOURI

EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 545 AM UNTIL
100 PM CDT.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES EAST NORTHEAST OF
MARSEILLES ILLINOIS TO 5 MILES EAST SOUTHEAST OF CARBONDALE
ILLINOIS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 366...

DISCUSSION...A BROKEN QUASI-LINEAR CONVECTIVE SYSTEM WILL CONTINUE
TO STEADILY ADVANCE NORTHEASTWARD THIS MORNING ACROSS A LARGE PART
OF CENTRAL AND EASTERN IL. A RELATIVELY WARM/MOIST MORNING AIRMASS
WILL CONTINUE TO DESTABILIZE WITH ADDITIONAL HEATING AFTER
SUNRISE...WHILE AN INCREASINGLY STRONG DEEP LAYER WIND FIELD WILL
SUPPORT ORGANIZED/FAST MOVING QUASI-LINEAR STRUCTURES CAPABLE OF
DAMAGING WINDS AND ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 22045.

...GUYER/CORFIDI
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