OVWA Regional Weather Alert from the Storm Prediction Center: WWUS20 KWNS 131538 SEL5 SPC WW 131538 ILZ000-KYZ000-MOZ000-140000- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 535 NWS STORM PREDICTION CENTER NORMAN OK 1030 AM CDT MON OCT 13 2014 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF SOUTHERN ILLINOIS WESTERN KENTUCKY SOUTHEAST AND EAST CENTRAL MISSOURI * EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1030 AM UNTIL 700 PM CDT. * PRIMARY THREATS INCLUDE... A FEW TORNADOES LIKELY ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH OF SCOTT AFB ILLINOIS TO 45 MILES SOUTH SOUTHWEST OF PADUCAH KENTUCKY. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5). 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. && OTHER WATCH INFORMATION...CONTINUE...WW 533...WW 534... DISCUSSION...BROKEN N-S SQLN NOW EXTENDING FROM E OF VICHY MO INTO NE AR SHOULD CONTINUE SLOWLY EWD THROUGH THE REMAINDER OF THE DAY. STORM DEVELOPMENT WITHIN LINE WILL BE FOSTERED BY MODEST SFC HEATING...CONTINUED LOW-LVL MOISTURE INFLOW /DEWPOINTS RISING IN THE MID-UPR 60S/...AND LOW-LVL CONFLUENCE AHEAD OF SLOWLY PROGRESSIVE SFC LOW NOW OVER SW MO. WEAKLY CAPPED ENVIRONMENT...COUPLED WITH STRENGTHENING WIND FIELD /ASSOCIATED WITH THE CONTINUED ENE ADVANCE OF OK UPR TROUGH/...SUGGESTS THAT LONGER-LIVED STORMS WILL POSE A CONDITIONAL RISK FOR TORNADOES. ONE OR TWO OF THE TORNADOES COULD BE STRONG GIVEN 700 MB WINDS INCREASING TO AOA 60 KTS...FAIRLY RICH MOISTURE..AND THE LIKELIHOOD FOR STORM MOTION PARALLEL TO LOW-LVL MOISTURE/SHEAR AXES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 21040. ...CORFIDI For more localized information on this severe weather situation, including warnings, go to the region page for your area. Region 1 (IL) facebook/OVWAReg1 Region 2 (IN) facebook/OVWAReg2 Region 3 (KY) facebook/OVWAReg3 Region 4 (OH) facebook/OVWAReg4 Specific county by county updates will be posted by the NWS shortly and relayed on the region pages.
Posted on: Mon, 13 Oct 2014 15:39:02 +0000