SPC Tornado Watch 706
Sat, 23 Oct 2010 19:00:03 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 706 NWS STORM PREDICTION CENTER NORMAN OK 515 PM CDT SAT OCT 23 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHEAST TEXAS EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 515 PM UNTIL 1000 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 50 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES WEST OF TEXARKANA ARKANSAS TO 55 MILES SOUTH SOUTHWEST OF TYLER TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). 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 704...WW 705... DISCUSSION...BAND OF STORMS WITH EMBEDDED SUPERCELLS WILL CONTINUE TO SPREAD EWD/NEWD ACROSS NE TX...IN ADVANCE OF AN EJECTING SHORTWAVE TROUGH OVER CENTRAL TX. THOUGH MOISTURE AND INSTABILITY DIMINISH FROM WEST TO EAST TOWARD THE LA/TX BORDER...INSTABILITY AND VERTICAL SHEAR WILL REMAIN SUFFICIENT FOR A TORNADO OR TWO...AS WELL AS DAMAGING WINDS...FOR THE NEXT FEW HOURS. 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 500. MEAN STORM MOTION VECTOR 24035. ...THOMPSONRead more
SPC Tornado Watch 704
Sat, 23 Oct 2010 19:00:09 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 704 NWS STORM PREDICTION CENTER NORMAN OK 1205 PM CDT SAT OCT 23 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHEAST OKLAHOMA CENTRAL AND NORTHERN TEXAS EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1205 PM UNTIL 800 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 75 STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF PARIS TEXAS TO 65 MILES SOUTH SOUTHEAST OF BROWNWOOD TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4). 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...THIS TORNADO WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 703. WATCH NUMBER 703 WILL NOT BE IN EFFECT AFTER 1205 PM CDT. DISCUSSION...TSTMS SHOULD CONTINUE TO INCREASE IN COVERAGE AND INTENSITY THIS AFTERNOON ALONG RESIDUAL OUTFLOW ASSOCIATED WITH DECAYING NOCTURNAL MCS AS LARGE-SCALE FORCING INTENSIFIES AHEAD OF MIDLEVEL TROUGH. CONSIDERABLE CLOUDS AND PRECIPITATION WILL TEND TO LIMIT THE POTENTIAL FOR MORE WIDESPREAD AND STRONGER AIR MASS DESTABILIZATION. HOWEVER...THE PRESENCE OF A MOIST BOUNDARY LAYER COUPLED WITH POCKETS OF STRONGER HEATING WILL STILL YIELD AFTERNOON MLCAPE VALUES APPROACHING 1000-1500 J/KG. THIS INSTABILITY COUPLED WITH SUFFICIENTLY STRONG LOW AND DEEP-LAYER SHEAR FOR STORM ORGANIZATION/ROTATION INDICATES A THREAT FOR EMBEDDED SUPERCELLS CAPABLE OF DAMAGING WINDS...HAIL AND A COUPLE OF 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 500. MEAN STORM MOTION VECTOR 24030. ...MEADRead more
SPC Tornado Watch 706 Status Reports
Sat, 23 Oct 2010 19:00:05 -0500
STATUS FOR WATCH 0706 HAS NOT BEEN ISSUED YETRead more
SPC Tornado Watch 705 Status Reports
Sat, 23 Oct 2010 19:00:08 -0500
STATUS REPORT ON WW 705 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WSW BRL TO 10 NW OXV. ..SPC..10/23/10 ATTN...WFO...DMX...DVN...EAX...LSX... STATUS REPORT FOR WT 705 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS IAC051-087-101-107-111-123-125-135-177-179-183-240040- IA . IOWA COUNTIES INCLUDED ARE DAVIS HENRY JEFFERSON KEOKUK LEE MAHASKA MARION MONROE VAN BUREN WAPELLO WASHINGTON THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.Read more
SPC Tornado Watch 704 Status Reports
Sat, 23 Oct 2010 19:00:11 -0500
STATUS REPORT ON WW 704 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM CRS TO 30 NW CRS TO 10 SW PRX TO 25 ESE PRX. ..STOPPKOTTE..10/23/10 ATTN...WFO...OUN...TSA...FWD...SJT...EWX... STATUS REPORT FOR WT 704 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS TXC001-119-145-161-213-223-257-289-293-331-349-379-395-467- 240040- TX . TEXAS COUNTIES INCLUDED ARE ANDERSON DELTA FALLS FREESTONE HENDERSON HOPKINS KAUFMAN LEON LIMESTONE MILAM NAVARRO RAINS ROBERTSON VAN ZANDT THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.Read more
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