on_wx Posted March 8, 2011 Share Posted March 8, 2011 PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE SHREVEPORT LA 534 PM CST TUE MAR 08 2011 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0530 PM TORNADO 2 N CLARKSVILLE 33.64N 95.06W 03/08/2011 RED RIVER TX TRAINED SPOTTER CHASERS AND SPOTTERS CONFIRM TORNADO ON THE GROUND...RAIN WRAPPED. SEMI ON A CAR...TRAILERS FLIPPED...POWERLINES DOWN...MANY ROOFS DAMAGED TO HOMES. Link to comment Share on other sites More sharing options...
Stebo Posted March 8, 2011 Share Posted March 8, 2011 BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 540 PM CST TUE MAR 8 2011 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL RED RIVER COUNTY IN NORTHEAST TEXAS... SOUTHEASTERN MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA... * UNTIL 630 PM CST * AT 537 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS ARE TRACKING A TORNADO NEAR BRYARLY...OR 16 MILES NORTHEAST OF CLARKSVILLE...MOVING EAST AT 30 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HARRIS...GOODLAKE...HAWORTH...TOM...BOKHOMA...MOON AND AMERICA... Link to comment Share on other sites More sharing options...
tornadotony Posted March 8, 2011 Author Share Posted March 8, 2011 Link to comment Share on other sites More sharing options...
Kevin Askew Posted March 8, 2011 Share Posted March 8, 2011 Rapides Co. LA cell needs watched. But moving out of favorable cape. still enough to maintain it appears. Cells to SW now starting to form in Better cape of 1500JKG Link to comment Share on other sites More sharing options...
SmokeEater Posted March 9, 2011 Share Posted March 9, 2011 MESOSCALE DISCUSSION 0207 NWS STORM PREDICTION CENTER NORMAN OK 0546 PM CST TUE MAR 08 2011 AREAS AFFECTED...SERN TX...LA...SRN MS CONCERNING...TORNADO WATCH 42... VALID 082346Z - 090045Z THE SEVERE WEATHER THREAT FOR TORNADO WATCH 42 CONTINUES. ...TORNADO THREAT CONTINUES ACROSS MUCH OF LA AND SRN MS. A LONGER TERM THREAT WILL NECESSITATE A NEW TORNADO WATCH BETWEEN 01-02Z... WARM SECTOR IS GRADUALLY SPREADING NORTH ACROSS WW42 WITH 70F SFC DEW POINTS NOTED SOUTH OF WARM FRONT. THIS WARM FRONT HAS SERVED TO FOCUS A FAIRLY LARGE MCS WITH A SOMEWHAT DISORGANIZED MCV LIFTING ENEWD AT ROUGHLY 25KT OVER MARION COUNTY MS. NUMEROUS CELLULAR UPDRAFTS AND ISOLATED EMBEDDED SUPERCELLS HAVE EVOLVED WITHIN THE LARGER THUNDERSTORM COMPLEX. THIS ACTIVITY IS EXPECTED TO GRADUALLY SHIFT EAST OF THE WATCH ACROSS SRN MS WHERE BOUNDARY LAYER HAS YET TO RECOVER SIGNIFICANTLY. WITH TIME THE WARM FRONT SHOULD GRADUALLY LIFT NWD ALLOWING MARITIME TROPICAL AIRMASS TO ENHANCE THE PROSPECT FOR SFC-BASED SUPERCELLS. UPSTREAM...NEW UPDRAFTS HAVE RECENTLY DEVELOPED ALONG THE LOWER SABINE RIVER REGION AND THESE STORMS ARE GRADUALLY MATURING AS THEY SPREAD NEWD INTO WRN PORTIONS OF WW42. THIS AREA IS NOT PARTICULARLY FOCUSED/CONVERGENT BUT AIRMASS IS VERY MOIST AND SUFFICIENTLY SHEARED FOR A CONTINUED TORNADO THREAT. ..DARROW.. 03/08/2011 Link to comment Share on other sites More sharing options...
L.B. LaForce Posted March 9, 2011 Share Posted March 9, 2011 Looks like that cluster of garbage is moving out of LA. Seems that those few new cells may be the main show. This could get dangerous. Nighttime tornadoes, and 72 Td's in some areas! Moisture SURELY wasnt an issue, Link to comment Share on other sites More sharing options...
Kevin Askew Posted March 9, 2011 Share Posted March 9, 2011 Not much for rotation yet, but presentation looks pretty good Link to comment Share on other sites More sharing options...
SmokeEater Posted March 9, 2011 Share Posted March 9, 2011 Kris Hair is in Clarksville, streaming major damage. http://www.chasertv.com/api/static_pages/lite/241_kris-hair.php Link to comment Share on other sites More sharing options...
Kevin Askew Posted March 9, 2011 Share Posted March 9, 2011 Kris Hair is in Clarksville, streaming major damage. http://www.chasertv....1_kris-hair.php Sure hope everyone ok there Link to comment Share on other sites More sharing options...
SmokeEater Posted March 9, 2011 Share Posted March 9, 2011 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0633 PM CST TUE MAR 08 2011 VALID 090100Z - 091200Z ...THERE IS A MDT RISK OF SVR TSTMS ACROSS PORTIONS OF LA/MS... ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE ARKLATEX AND LOWER MS RIVER VALLEY... ...ARKLATEX... A SEMI-DISCRETE SUPERCELLULAR MODE...INCLUDING A RISK OF LARGE HAIL AND A TORNADO OR TWO...WILL GRADUALLY YIELD TO A CONGEALING/INCREASINGLY LINEAR MODE AS THE SOUTHEASTWARD ADVANCING COLD FRONT OVERTAKES THE DRYLINE. DAMAGING WINDS AND AN ISOLATED TORNADO RISK WILL CONTINUE ACROSS THE ARKLATEX VICINITY THIS EVENING....WHILE SOME RISK FOR HAIL MAY EXIST WITH ELEVATED TSTMS IN AR NORTHEAST OF THE SURFACE WARM FRONT. ...LA/MS TO SOUTHERN AL/FL PANHANDLE... A SOMEWHAT SEPARATE AND POTENTIALLY GREATER AREA OF CONCERN WILL REMAIN ALONG A RAIN-REINFORCED/SLOW NORTHWARD RETREATING WARM FRONT...SOUTHWESTWARD INTO THE ADJACENT WARM SECTOR ACROSS LA TO SOUTHERN MS/SOUTHWEST AL. AS HEIGHT FALLS BEGIN TO INFLUENCE THE REGION TONIGHT...AND HELP ABATE A WARM LAYER ALOFT AS PER THE 00Z LAKE CHARLES LA OBSERVED RAOB...INCREASING LOW LEVEL CONFLUENCE/FLOW WITHIN THE LOWEST FEW KM WILL FAVOR SURFACE-BASED/POTENTIALLY ROTATING STORMS NEAR THE WARM FRONT AND WITHIN THE WARM SECTOR. WITH 0-1 KM SRH OF 500 M2/S2 ALREADY REFLECTED BY THE 00Z OBSERVED SLIDELL LA RAOB AND LIX WSR-88D VWP DATA...A NOCTURNAL ENHANCEMENT OF THE LOW LEVEL JET WILL PROVIDE AN ADDITIONAL BOOST TO LOW LEVEL HODOGRAPHS...WITH ELONGATED/CURVED LOW-LEVEL HODOGRAPHS AND 0-1 KM SRH ON THE ORDER OF 400-600 M2/S2. GIVEN THE MAGNITUDE OF LOW LEVEL SRH IN THE PRESENCE OF GRADUALLY INCREASING LOW LEVEL MOISTURE /MID TO UPPER 60S F SURFACE DEWPOINTS/...THE POSSIBILITY OF TORNADOES...INCLUDING A RISK OF STRONG/SIGNIFICANT TORNADOES...WILL CONTINUE WELL THROUGH THE OVERNIGHT AND EARLY MORNING HOURS OF WEDNESDAY. ..GUYER.. 03/09/2011 Link to comment Share on other sites More sharing options...
SmokeEater Posted March 9, 2011 Share Posted March 9, 2011 Short but sweet PSWO. PUBLIC SEVERE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0640 PM CST TUE MAR 08 2011 ...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE LOWER MISSISSIPPI VALLEY THIS EVENING AND OVERNIGHT... THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE DEVELOPMENT OF A FEW STRONG TORNADOES AND DAMAGING WINDS OVER PARTS OF THE LOWER MISSISSIPPI VALLEY THIS EVENING AND OVERNIGHT. CONDITIONS WILL BECOME INCREASINGLY FAVORABLE FOR TORNADOES TONIGHT...SOME OF WHICH MAY BE STRONG. TORNADOES DURING THE OVERNIGHT HOURS AT THIS TIME OF YEAR CAN BE PARTICULARLY DANGEROUS BECAUSE THEY ARE USUALLY FAST-MOVING AND OBSCURED BY RAIN AND DARKNESS. THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE MUCH OF LOUISIANA SOUTHERN MISSISSIPPI 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 TONIGHT. ..GUYER.. 03/09/2011 Link to comment Share on other sites More sharing options...
tornadotony Posted March 9, 2011 Author Share Posted March 9, 2011 Cell in Beauregard Parish is getting that look. Link to comment Share on other sites More sharing options...
on_wx Posted March 9, 2011 Share Posted March 9, 2011 Huge tornado watch just issued from Arkansas to Alabama to NOLA Link to comment Share on other sites More sharing options...
Thundersnow12 Posted March 9, 2011 Share Posted March 9, 2011 Link to comment Share on other sites More sharing options...
on_wx Posted March 9, 2011 Share Posted March 9, 2011 URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 44 NWS STORM PREDICTION CENTER NORMAN OK 735 PM CST TUE MAR 8 2011 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF FAR SOUTHWEST ALABAMA SOUTHERN ARKANSAS LOUISIANA CENTRAL AND SOUTHERN MISSISSIPPI COASTAL WATERS EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 735 PM UNTIL 300 AM CST. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. DISCUSSION...BI-MODAL SEVERE WEATHER EPISODE ONGOING FROM THE ARKLATEX INTO MS/AL IS EXPECTED TO CONTINUE INTO THE EARLY MORNING HOURS WEDNESDAY ALONG AND SOUTH OF WARM FRONT LIFTING NWD THROUGH THE REGION. 00Z OBSERVED SOUNDINGS WITHIN SYSTEM WARM SECTOR SAMPLED A VERY MOIST BOUNDARY LAYER WHICH WHEN COUPLED WITH RATHER STEEP MIDLEVEL LAPSE RATES WAS RESULTING IN A MODERATELY UNSTABLE AIR MASS WITH MLCAPE VALUES OF 1000-2000 J/KG. WHILE SOME DECREASE IN INSTABILITY WILL OCCUR WITH THE ONSET OF NOCTURNAL COOLING...MORE THAN SUFFICIENT INSTABILITY WILL PERSIST TO SUSTAIN ONGOING STORMS. AREA VWPS/PROFILERS INDICATE THAT LOW-LEVEL WIND FIELD HAS VEERED ACROSS ERN TX...HOWEVER RATHER STRONG LOW-LEVEL SHEAR IS EXPECTED TO PERSIST FARTHER E INTO THE LOWER MS VALLEY /IN CONJUNCTION WITH 50+ KT LLJ/ WITH EFFECTIVE SRH VALUES OF 300-600 M2/S2. AS SUCH...ENVIRONMENT WILL REMAIN SUPPORTIVE OF EMBEDDED SUPERCELLS CAPABLE OF TORNADOES /SOME POSSIBLY STRONG/...DAMAGING WINDS AND HAIL. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted March 9, 2011 Share Posted March 9, 2011 Cell in Beauregard Parish is getting that look. Ya I have been watching that one too, its slowly getting its act together and I'm curious as to if/how that small cell to its immediate south messes with it. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted March 9, 2011 Share Posted March 9, 2011 quite scary lookin' Link to comment Share on other sites More sharing options...
L.B. LaForce Posted March 9, 2011 Share Posted March 9, 2011 Hmmm, the whole thing looks un-organized again. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted March 9, 2011 Share Posted March 9, 2011 The southern storm is now taking over now as the dominate storm out of that cluster near DeRidder, LA and has a really nice reflectivity gradient on the south side of it. The cell to its immediate north has now weakened after going up and attempting to spin but couldn't do it. Lets see if this one does the same thing. Link to comment Share on other sites More sharing options...
on_wx Posted March 9, 2011 Share Posted March 9, 2011 BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 829 PM CST TUE MAR 8 2011 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * TORNADO WARNING FOR... CENTRAL JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI... NORTHERN COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI... THIS INCLUDES THE CITY OF COLLINS... * UNTIL 915 PM CST * AT 829 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PROGRESS MOVING NORTHEAST AT 55 MPH. * THE TORNADO WILL BE NEAR... CARSON BY 835 PM CST... LONE STAR BY 840 PM CST... COLLINS AND MOUNT OLIVE BY 850 PM CST... Link to comment Share on other sites More sharing options...
L.B. LaForce Posted March 9, 2011 Share Posted March 9, 2011 Rotation on that southern cell in LA is starting to ramp up. Link to comment Share on other sites More sharing options...
28storms Posted March 9, 2011 Share Posted March 9, 2011 Developing couplet headed NE in the general direction of Alexandria, LA. Lets see if this one sustains itself. Link to comment Share on other sites More sharing options...
Indystorm Posted March 9, 2011 Share Posted March 9, 2011 The helicity and moisture are certainly there. But 300 mb flow is only 50 knots in the region. per SPC meso page. I wonder if this could be contributing to the relative lack of tornadoes because the jet isn't as strong as in other scenarios. Link to comment Share on other sites More sharing options...
on_wx Posted March 9, 2011 Share Posted March 9, 2011 Headed for Alexandria Link to comment Share on other sites More sharing options...
L.B. LaForce Posted March 9, 2011 Share Posted March 9, 2011 OK, should be tor warned shortly...rotation has ramped up. I removed a rotation marker so velocities are easier to see. Link to comment Share on other sites More sharing options...
tornadotony Posted March 9, 2011 Author Share Posted March 9, 2011 OK, should be tor warned shortly...rotation has ramped up. I removed a rotation marker so velocities are easier to see. Yeah you can see it dropping on the tilts of the Fort Polk radar...that city is in trouble. Link to comment Share on other sites More sharing options...
on_wx Posted March 9, 2011 Share Posted March 9, 2011 BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 858 PM CST TUE MAR 8 2011 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * TORNADO WARNING FOR... CENTRAL RAPIDES PARISH IN CENTRAL LOUISIANA... THIS INCLUDES...ALEXANDRIA INTERNATIONAL AIRPORT...PINEVILLE... ALEXANDRIA... * UNTIL 945 PM CST * AT 856 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES SOUTHWEST OF ALEXANDRIA...MOVING NORTHEAST AT 35 MPH. * THE TORNADO WILL BE NEAR... ALEXANDRIA INTERNATIONAL AIRPORT BY 910 PM CST... ALEXANDRIA BY 915 PM CST... PINEVILLE...KINGSVILLE...TIOGA AND KOLIN BY 920 PM CST... LIBUSE AND PARADISE BY 925 PM CST... Link to comment Share on other sites More sharing options...
Thundersnow12 Posted March 9, 2011 Share Posted March 9, 2011 BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 858 PM CST TUE MAR 8 2011 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * TORNADO WARNING FOR... CENTRAL RAPIDES PARISH IN CENTRAL LOUISIANA... THIS INCLUDES...ALEXANDRIA INTERNATIONAL AIRPORT...PINEVILLE... ALEXANDRIA... * UNTIL 945 PM CST * AT 856 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES SOUTHWEST OF ALEXANDRIA...MOVING NORTHEAST AT 35 MPH. * THE TORNADO WILL BE NEAR... ALEXANDRIA INTERNATIONAL AIRPORT BY 910 PM CST... ALEXANDRIA BY 915 PM CST... PINEVILLE...KINGSVILLE...TIOGA AND KOLIN BY 920 PM CST... LIBUSE AND PARADISE BY 925 PM CST... Link to comment Share on other sites More sharing options...
Indystorm Posted March 9, 2011 Share Posted March 9, 2011 Alexandria has 50,000...metro area nearly 150,000 ...let's hope this stays aloft Link to comment Share on other sites More sharing options...
on_wx Posted March 9, 2011 Share Posted March 9, 2011 Can anyone post a scan from KPOE from Stormlab or GRL3? Link to comment Share on other sites More sharing options...
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