No watches are valid as of Sat May 25 08:39:01 UTC 2013.

WW 0216 Status Updates
STATUS FOR WATCH 0216 HAS NOT BEEN ISSUED YET Read more

WW 0216 Status Updates
STATUS FOR WATCH 0216 HAS NOT BEEN ISSUED YET Read more

WW 216 SEVERE TSTM NE 250505Z - 251000Z
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 216 NWS STORM PREDICTION CENTER NORMAN OK 1205 AM CDT SAT MAY 25 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH-CENTRAL AND EASTERN NEBRASKA * EFFECTIVE THIS SATURDAY MORNING FROM 1205 AM UNTIL 500 AM CDT. * PRIMARY THREATS INCLUDE... A FEW VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH SOUTHWEST OF BROKEN BOW NEBRASKA TO 45 MILES SOUTH SOUTHEAST OF COLUMBUS NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. && DISCUSSION...A COMPOSITE MCS...INCLUDING A FEW EMBEDDED SUPERCELL STRUCTURES AND SMALL BOWS...IS EXPECTED TO CONTINUE A PERSISTENT EASTWARD MOVING ACROSS SOUTH-CENTRAL AND EAST-CENTRAL NEB OVERNIGHT. THIS MCS IS BEING AIDED BY A STRONG /50 KT/ SOUTHERLY LOW LEVEL JET AS PER WSR-88D VWP DATA FROM HASTINGS/BLUE HILL NEB. BOUTS OF SEVERE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY HAZARDS ASIDE FROM LOCALLY HEAVY RAINFALL...ALTHOUGH INCREASING CINH SHOULD EVENTUALLY LEAD TO A WANING INTENSITY TREND. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26025. ...GUYER Read more

WW 0215 Status Updates
STATUS REPORT ON WW 215 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW HLC TO 35 SW MCK TO 20 ESE IML TO 30 W LBF TO 30 NE LBF. ..THOMPSON..05/25/13 ATTN...WFO...PUB...GLD...BOU...DDC...LBF...CYS... STATUS REPORT FOR WS 215 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS KSC039-153-250440- KS . KANSAS COUNTIES INCLUDED ARE DECATUR RAWLINS NEC063-085-087-111-145-250440- NE . NEBRASKA COUNTIES INCLUDED ARE FRONTIER HAYES HITCHCOCK LINCOLN RED WILLOW 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

WW 0215 Status Updates
STATUS REPORT ON WW 215 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW HLC TO 35 SW MCK TO 20 ESE IML TO 30 W LBF TO 30 NE LBF. ..THOMPSON..05/25/13 ATTN...WFO...PUB...GLD...BOU...DDC...LBF...CYS... STATUS REPORT FOR WS 215 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS KSC039-153-250440- KS . KANSAS COUNTIES INCLUDED ARE DECATUR RAWLINS NEC063-085-087-111-145-250440- NE . NEBRASKA COUNTIES INCLUDED ARE FRONTIER HAYES HITCHCOCK LINCOLN RED WILLOW 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

WW 0215 Status Updates
STATUS REPORT ON WW 215 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW HLC TO 35 SW MCK TO 20 ESE IML TO 30 W LBF TO 30 NE LBF. ..THOMPSON..05/25/13 ATTN...WFO...PUB...GLD...BOU...DDC...LBF...CYS... STATUS REPORT FOR WS 215 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS KSC039-153-250440- KS . KANSAS COUNTIES INCLUDED ARE DECATUR RAWLINS NEC063-085-087-111-145-250440- NE . NEBRASKA COUNTIES INCLUDED ARE FRONTIER HAYES HITCHCOCK LINCOLN RED WILLOW 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

WW 0215 Status Updates
STATUS REPORT ON WW 215 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 WNW SPD TO 50 N EHA TO 25 NNE DDC TO HLC TO 30 ENE GLD TO 40 NNW GLD TO 20 W IML TO 40 NNW IML TO 25 NNE SNY TO 30 NE CYS. ..DEAN..05/25/13 ATTN...WFO...PUB...GLD...BOU...DDC...LBF...CYS... STATUS REPORT FOR WS 215 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS COC009-250340- CO . COLORADO COUNTIES INCLUDED ARE BACA KSC023-039-067-129-153-187-189-250340- KS . KANSAS COUNTIES INCLUDED ARE CHEYENNE DECATUR GRANT MORTON RAWLINS STANTON STEVENS NEC005-029-033-049-057-063-069-075-085-087-091-101-111-113-117- 123-135-145-250340- NE . NEBRASKA COUNTIES INCLUDED ARE Read more

WW 0215 Status Updates
STATUS REPORT ON WW 215 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0793 ..DEAN..05/25/13 ATTN...WFO...PUB...GLD...BOU...DDC...LBF...CYS... STATUS REPORT FOR WS 215 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS COC009-017-061-063-075-095-099-115-121-125-250240- CO . COLORADO COUNTIES INCLUDED ARE BACA CHEYENNE KIOWA KIT CARSON LOGAN PHILLIPS PROWERS SEDGWICK WASHINGTON YUMA KSC023-055-063-067-069-071-075-081-093-101-109-119-129-153-171- 175-179-181-187-189-193-199-203-250240- KS . KANSAS COUNTIES INCLUDED ARE CHEYENNE FINNEY GOVE GRANT GRAY GREELEY HAMILTON HASKELL KEARNY LANE LOGAN MEADE MORTON RAWLINS SCOTT SEWARD SHERIDAN SHERMAN STANTON STEVENS THOMAS Read more

WW 215 SEVERE TSTM CO KS NE 242040Z - 250400Z
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 215 NWS STORM PREDICTION CENTER NORMAN OK 240 PM MDT FRI MAY 24 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EASTERN COLORADO WESTERN KANSAS SOUTHWEST NEBRASKA AND THE SOUTHERN PANHANDLE * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 240 PM UNTIL 1000 PM MDT. * PRIMARY THREATS INCLUDE... SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE A FEW TORNADOES POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE MILES EAST AND WEST OF A LINE FROM 5 MILES WEST SOUTHWEST OF LIBERAL KANSAS TO 40 MILES NORTH NORTHEAST OF SIDNEY NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. && DISCUSSION...WIDELY SCATTERED TSTMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND EVENING FROM THE VICINITY OF A SURFACE LOW OVER NERN CO SWD ALONG A LEE TROUGH/DRYLINE. AMBIENT ENVIRONMENT IS CHARACTERIZED BY STEEP LAPSE RATES...MLCAPE OF 1000-2000 J/KG...AND VERTICALLY VEERING WIND PROFILES WITH STEADILY STRENGTHENING DEEP-LAYER SHEAR. AS SUCH...THE POTENTIAL WILL EXIST FOR SUPERCELLS AS THE INITIAL STORM MODE WITH A RISK FOR LARGE HAIL AND PERHAPS A TORNADO. UPSCALE GROWTH OF STORMS INTO CLUSTERS IS ANTICIPATED LATER THIS EVENING WITH AN INCREASED THREAT FOR DAMAGING WINDS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23020. ...MEAD Read more

WW 0215 Status Updates
STATUS REPORT ON WW 215 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..DEAN..05/24/13 ATTN...WFO...PUB...GLD...BOU...DDC...LBF...CYS... STATUS REPORT FOR WS 215 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS COC009-017-061-063-075-095-099-115-121-125-250040- CO . COLORADO COUNTIES INCLUDED ARE BACA CHEYENNE KIOWA KIT CARSON LOGAN PHILLIPS PROWERS SEDGWICK WASHINGTON YUMA KSC023-055-063-067-069-071-075-081-093-101-109-119-129-153-171- 175-179-181-187-189-193-199-203-250040- KS . KANSAS COUNTIES INCLUDED ARE CHEYENNE FINNEY GOVE GRANT GRAY GREELEY HAMILTON HASKELL KEARNY LANE LOGAN MEADE MORTON RAWLINS SCOTT SEWARD SHERIDAN SHERMAN STANTON STEVENS THOMAS WALLACE WICHITA Read more

WW 0215 Status Updates
STATUS REPORT ON WW 215 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..DEAN..05/24/13 ATTN...WFO...PUB...GLD...BOU...DDC...LBF...CYS... STATUS REPORT FOR WS 215 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS COC009-017-061-063-075-095-099-115-121-125-250040- CO . COLORADO COUNTIES INCLUDED ARE BACA CHEYENNE KIOWA KIT CARSON LOGAN PHILLIPS PROWERS SEDGWICK WASHINGTON YUMA KSC023-055-063-067-069-071-075-081-093-101-109-119-129-153-171- 175-179-181-187-189-193-199-203-250040- KS . KANSAS COUNTIES INCLUDED ARE CHEYENNE FINNEY GOVE GRANT GRAY GREELEY HAMILTON HASKELL KEARNY LANE LOGAN MEADE MORTON RAWLINS SCOTT SEWARD SHERIDAN SHERMAN STANTON STEVENS THOMAS WALLACE WICHITA Read more

WW 0215 Status Updates
STATUS REPORT ON WW 215 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..DEAN..05/24/13 ATTN...WFO...PUB...GLD...BOU...DDC...LBF...CYS... STATUS REPORT FOR WS 215 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS COC009-017-061-063-075-095-099-115-121-125-242340- CO . COLORADO COUNTIES INCLUDED ARE BACA CHEYENNE KIOWA KIT CARSON LOGAN PHILLIPS PROWERS SEDGWICK WASHINGTON YUMA KSC023-055-063-067-069-071-075-081-093-101-109-119-129-153-171- 175-179-181-187-189-193-199-203-242340- KS . KANSAS COUNTIES INCLUDED ARE CHEYENNE FINNEY GOVE GRANT GRAY GREELEY HAMILTON HASKELL KEARNY LANE LOGAN MEADE MORTON RAWLINS SCOTT SEWARD SHERIDAN SHERMAN STANTON STEVENS THOMAS WALLACE WICHITA Read more

WW 215 SEVERE TSTM CO KS NE 242040Z - 250400Z
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 215 NWS STORM PREDICTION CENTER NORMAN OK 240 PM MDT FRI MAY 24 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EASTERN COLORADO WESTERN KANSAS SOUTHWEST NEBRASKA AND THE SOUTHERN PANHANDLE * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 240 PM UNTIL 1000 PM MDT. * PRIMARY THREATS INCLUDE... SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE A FEW TORNADOES POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE MILES EAST AND WEST OF A LINE FROM 5 MILES WEST SOUTHWEST OF LIBERAL KANSAS TO 40 MILES NORTH NORTHEAST OF SIDNEY NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. && DISCUSSION...WIDELY SCATTERED TSTMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND EVENING FROM THE VICINITY OF A SURFACE LOW OVER NERN CO SWD ALONG A LEE TROUGH/DRYLINE. AMBIENT ENVIRONMENT IS CHARACTERIZED BY STEEP LAPSE RATES...MLCAPE OF 1000-2000 J/KG...AND VERTICALLY VEERING WIND PROFILES WITH STEADILY STRENGTHENING DEEP-LAYER SHEAR. AS SUCH...THE POTENTIAL WILL EXIST FOR SUPERCELLS AS THE INITIAL STORM MODE WITH A RISK FOR LARGE HAIL AND PERHAPS A TORNADO. UPSCALE GROWTH OF STORMS INTO CLUSTERS IS ANTICIPATED LATER THIS EVENING WITH AN INCREASED THREAT FOR DAMAGING WINDS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23020. ...MEAD Read more

WW 0215 Status Updates
STATUS FOR WATCH 0215 HAS NOT BEEN ISSUED YET Read more

No watches are valid as of Fri May 24 03:02:01 UTC 2013.

WW 0213 Status Updates
STATUS REPORT ON WW 213 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSE CVS TO 45 SSE LBB TO 70 N ABI. ..GUYER..05/24/13 ATTN...WFO...OUN...MAF...AMA...LUB...SJT... STATUS REPORT FOR WT 213 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS TXC003-017-033-059-079-115-151-165-207-219-227-253-305-317-335- 353-415-417-441-445-447-501-240240- TX . TEXAS COUNTIES INCLUDED ARE ANDREWS BAILEY BORDEN CALLAHAN COCHRAN DAWSON FISHER GAINES HASKELL HOCKLEY HOWARD JONES LYNN MARTIN MITCHELL NOLAN SCURRY SHACKELFORD TAYLOR TERRY THROCKMORTON YOAKUM 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

WW 0214 Status Updates
STATUS REPORT ON WW 214 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 65 SSW 6R6 TO 5 SE FST TO 25 SSE HOB. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0788 ..GUYER..05/24/13 ATTN...WFO...MAF...SJT...EWX... STATUS REPORT FOR WS 214 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS TXC049-081-083-095-103-105-135-173-235-307-329-371-383-399-411- 413-431-435-443-451-461-465-240240- TX . TEXAS COUNTIES INCLUDED ARE BROWN COKE COLEMAN CONCHO CRANE CROCKETT ECTOR GLASSCOCK IRION MCCULLOCH MIDLAND PECOS REAGAN RUNNELS SAN SABA SCHLEICHER STERLING SUTTON TERRELL TOM GREEN UPTON VAL VERDE 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

WW 214 SEVERE TSTM NM TX 231905Z - 240300Z
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 214 NWS STORM PREDICTION CENTER NORMAN OK 205 PM CDT THU MAY 23 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHEAST NEW MEXICO SOUTHWEST TEXAS * EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 205 PM UNTIL 1000 PM CDT. * PRIMARY THREATS INCLUDE... SEVERAL DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS TO 80 MPH POSSIBLE SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 125 STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHWEST OF BIG SPRING TEXAS TO 85 MILES SOUTHWEST OF DRYDEN TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. && OTHER WATCH INFORMATION...CONTINUE...WW 213... DISCUSSION...RAPID STORM DEVELOPMENT IS NOW UNDERWAY...ACROSS THE MOUNTAINS OF SOUTHWEST TEXAS INTO SOUTHEAST NEW MEXICO. IN THE PRESENCE OF THERMODYNAMIC PROFILES CHARACTERIZED BY VERY STEEP MID-LEVEL LAPSE RATES AND LARGE CAPE...VERTICAL SHEAR MAY BE MARGINALLY SUFFICIENT FOR AT LEAST SHORT-LIVED UPDRAFT ROTATION IN STRONGEST STORMS. LIGHT WESTERLY DEEP LAYER MEAN FLOW MAY AID PROPAGATION INTO PARTS OF THE RIO GRANDE VALLEY AND EDWARDS PLATEAU...AS SURFACE COLD POOLS CONSOLIDATE LATER THIS AFTERNOON. IN ADDITION TO THE RISK FOR LARGE HAIL...A FEW STRONG WIND GUSTS ARE PROBABLE...BOTH WITH DOWNBURSTS AND ALONG THE OUTFLOW GUST FRONT. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 27010. ...KERR Read more

WW 213 TORNADO OK TX 231840Z - 240300Z
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 213 NWS STORM PREDICTION CENTER NORMAN OK 140 PM CDT THU MAY 23 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF WESTERN OKLAHOMA NORTHWESTERN TEXAS * EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 140 PM UNTIL 1000 PM CDT. * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES POSSIBLE NUMEROUS LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL EVENTS TO 3 INCHES IN DIAMETER POSSIBLE SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 80 MPH POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHWEST OF BORGER TEXAS TO 90 MILES WEST OF ABILENE TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && DISCUSSION...STORMS ARE INITIATING NEAR WEAK DEVELOPING FRONTAL WAVE...NEAR THE INTERSECTION OF A CONVECTIVELY GENERATED SURFACE BOUNDARY AND GRADUALLY SHARPENING DRYLINE. RAPID FURTHER INTENSE THUNDERSTORM DEVELOPMENT IS LIKELY DURING THE NEXT FEW HOURS...IN THE PRESENCE OF VERY STEEP MID-LEVEL LAPSE RATES...LARGE CAPE...AND SUFFICIENT SHEAR FOR SUPERCELLS. BEFORE STORMS BEGIN TO CONSOLIDATE WITH UPSCALE CONVECTIVE GROWTH LATER THIS AFTERNOON AND EVENING...A FEW SUPERCELLS ARE PROBABLE...SOME CAPABLE OF PRODUCING VERY LARGE HAIL AND TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION VECTOR 29015. ...KERR Read more