NATIONAL WEATHER SERVICE WARNINGS/WATCHES ARE NOT TO BE DISSEMINATED TO THE PUBLIC AFTER EXPIRATION TIME. SEVERE WEATHER WATCH BOXES IF ANY WWUS9 KMKC 221517 MKC WW 221517 LAZ000-222200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 30 STORM PREDICTION CENTER NORMAN OK 917 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND SOUTHERN LOUISIANA AND ADJACENT COASTAL WATERS EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 945 AM UNTIL 400 PM CST. THIS IS A PARTICULARLY DANGEROUS SITUATION WITH THE POSSIBILITY OF VERY DAMAGING TORNADOES. ALSO...LARGE HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST OF LAKE CHARLES LOUISIANA TO 35 MILES NORTHEAST OF NEW ORLEANS LOUISIANA. 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 29... DISCUSSION...VERY UNSTABLE AIR MASS OVER REGION WITH LIFTED INDICES NEAR -10. EXPECT THUNDERSTORMS TO INCREASE AS STRONG UPPER TROUGH APPROACHES. 90 KT MID LEVEL SPEED MAX COMBINED WITH LOW LEVEL JET EXCEEDING 50 KT WILL CREATE FAVORABLE ENVIRONMENT FOR A FEW STRONG OR VIOLENT TORNADOES. AVIATION...TORNADOES AND 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 500. MEAN STORM MOTION VECTOR 24040. ...ROGASH ;314,0933 313,0895 290,0895 291,0933; WWUS9 KMKC 221517 SEL0 MKC WW 221517 LAZ000-222200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 30 STORM PREDICTION CENTER NORMAN OK 917 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND SOUTHERN LOUISIANA AND ADJACENT COASTAL WATERS EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 945 AM UNTIL 400 PM CST. THIS IS A PARTICULARLY DANGEROUS SITUATION WITH THE POSSIBILITY OF VERY DAMAGING TORNADOES. ALSO...LARGE HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST OF LAKE CHARLES LOUISIANA TO 35 MILES NORTHEAST OF NEW ORLEANS LOUISIANA. 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 29... DISCUSSION...VERY UNSTABLE AIR MASS OVER REGION WITH LIFTED INDICES NEAR -10. EXPECT THUNDERSTORMS TO INCREASE AS STRONG UPPER TROUGH APPROACHES. 90 KT MID LEVEL SPEED MAX COMBINED WITH LOW LEVEL JET EXCEEDING 50 KT WILL CREATE FAVORABLE ENVIRONMENT FOR A FEW STRONG OR VIOLENT TORNADOES. AVIATION...TORNADOES AND 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 500. MEAN STORM MOTION VECTOR 24040. ...ROGASH ;314,0933 313,0895 290,0895 291,0933; WWUS9 KMKC 221428 MKC WW 221428 MSZ000-222100- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 29 STORM PREDICTION CENTER NORMAN OK 828 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF MOST OF MISSISSIPPI EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 900 AM UNTIL 300 PM CST. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES EAST SOUTHEAST OF MC COMB MISSISSIPPI TO 40 MILES NORTH OF OXFORD MISSISSIPPI. 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 26...WW 27...WW 28... DISCUSSION...THUNDERSTORM COMPLEX MOVING INTO WATCH AREA HAS A HISTORY OF TORNADOES AND WIND DAMAGE. ACTIVITY SHOULD CONTINUE AS CAPES FROM 1500 TO 2500 J/KG WITH 50 TO 60 KT LOW LEVEL JET ACROSS REGION. DYNAMIC FORCING WILL ALSO INCREASE AS UPPER TROUGH AXIS MOVES TOWARD MISSISSIPPI VALLEY. AVIATION...TORNADOES AND 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 450. MEAN STORM MOTION VECTOR 24040. ...ROGASH ;310,0912 345,0905 345,0880 310,0883; WWUS9 KMKC 221428 SEL9 MKC WW 221428 MSZ000-222100- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 29 STORM PREDICTION CENTER NORMAN OK 828 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF MOST OF MISSISSIPPI EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 900 AM UNTIL 300 PM CST. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES EAST SOUTHEAST OF MC COMB MISSISSIPPI TO 40 MILES NORTH OF OXFORD MISSISSIPPI. 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 26...WW 27...WW 28... DISCUSSION...THUNDERSTORM COMPLEX MOVING INTO WATCH AREA HAS A HISTORY OF TORNADOES AND WIND DAMAGE. ACTIVITY SHOULD CONTINUE AS CAPES FROM 1500 TO 2500 J/KG WITH 50 TO 60 KT LOW LEVEL JET ACROSS REGION. DYNAMIC FORCING WILL ALSO INCREASE AS UPPER TROUGH AXIS MOVES TOWARD MISSISSIPPI VALLEY. AVIATION...TORNADOES AND 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 450. MEAN STORM MOTION VECTOR 24040. ...ROGASH ;310,0912 345,0905 345,0880 310,0883; WWUS9 KMKC 220858 MKC WW 220858 TXZ000-LAZ000-MSZ000-221500- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 28 STORM PREDICTION CENTER NORMAN OK 258 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHEAST TEXAS NORTHERN AND WESTERN LOUISIANA WESTERN MISSISSIPPI AND ADJACENT COASTAL WATERS EFFECTIVE THIS FRIDAY MORNING FROM 300 AM UNTIL 900 AM CST. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 85 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 120 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH SOUTHWEST OF HOUSTON TEXAS TO 35 MILES NORTH NORTHWEST OF MONROE LOUISIANA. 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 TORNADO WATCH NUMBER 23. WATCH NUMBER 23 WILL NOT BE IN EFFECT AFTER 300 AM CST. CONTINUE...WW 24...WW 26...WW 27... DISCUSSION...INCREASING UPPER LEVEL DIVERGENCE ASSOCIATED WITH EXIT REGION OF 100 KT MID LEVEL SPEED MAX OVER N CENTRAL MEXICO LIKELY TO RESULT IN CONTINUED THUNDERSTORM DEVELOPMENT IN WATCH AREA. HIGH SURFACE DEWPOINTS AND STRONG LOW-LEVEL SHEAR SUFFICIENT FOR SUPERCELLS...WITH HIGH WINDS/LARGE HAIL AND POSSIBLE TORNADOES WITH STORMS ON E TX SURFACE FRONT. TORNADOES ALSO POSSIBLE WITH ISOLATED STORMS FORMING IN CONFLUENCE ZONE AHEAD OF SURFACE FRONT. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 75 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23045. ...CORFIDI ;291,0972 325,0941 325,0901 291,0932; WWUS9 KMKC 220858 SEL8 MKC WW 220858 TXZ000-LAZ000-MSZ000-221500- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 28 STORM PREDICTION CENTER NORMAN OK 258 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHEAST TEXAS NORTHERN AND WESTERN LOUISIANA WESTERN MISSISSIPPI AND ADJACENT COASTAL WATERS EFFECTIVE THIS FRIDAY MORNING FROM 300 AM UNTIL 900 AM CST. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 85 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 120 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH SOUTHWEST OF HOUSTON TEXAS TO 35 MILES NORTH NORTHWEST OF MONROE LOUISIANA. 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 TORNADO WATCH NUMBER 23. WATCH NUMBER 23 WILL NOT BE IN EFFECT AFTER 300 AM CST. CONTINUE...WW 24...WW 26...WW 27... DISCUSSION...INCREASING UPPER LEVEL DIVERGENCE ASSOCIATED WITH EXIT REGION OF 100 KT MID LEVEL SPEED MAX OVER N CENTRAL MEXICO LIKELY TO RESULT IN CONTINUED THUNDERSTORM DEVELOPMENT IN WATCH AREA. HIGH SURFACE DEWPOINTS AND STRONG LOW-LEVEL SHEAR SUFFICIENT FOR SUPERCELLS...WITH HIGH WINDS/LARGE HAIL AND POSSIBLE TORNADOES WITH STORMS ON E TX SURFACE FRONT. TORNADOES ALSO POSSIBLE WITH ISOLATED STORMS FORMING IN CONFLUENCE ZONE AHEAD OF SURFACE FRONT. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 75 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23045. ...CORFIDI ;291,0972 325,0941 325,0901 291,0932; WWUS9 KMKC 220841 MKC WW 220841 ARZ000-MOZ000-TNZ000-MSZ000-221500- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 27 STORM PREDICTION CENTER NORMAN OK 241 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND EASTERN ARKANSAS THE MISSOURI BOOTHEEL WEST AND MIDDLE TENNESSEE WESTERN AND NORTHERN MISSISSIPPI EFFECTIVE THIS FRIDAY MORNING FROM 300 AM UNTIL 900 AM CST. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES EAST SOUTHEAST OF EL DORADO ARKANSAS TO 80 MILES EAST NORTHEAST OF DYERSBURG TENNESSEE. 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 TORNADO WATCH NUMBER 24. WATCH NUMBER 24 WILL NOT BE IN EFFECT AFTER 300 AM CST. CONTINUE...WW 23...WW 25...WW 26... DISCUSSION...SQUALL LINE EXPECTED TO CONTINUE TO DEVELOP IN HIGH- HELICITY ENVIRONMENT...WHERE INFLUX OF GULF MOISTURE AND COOL MID LEVEL TEMPERATURES SUFFICIENT FOR RENEWED UPDRAFT DEVELOPMENT. ISOLATED TORNADOES MOST LIKELY INVOF LEWP CRESTS...AND WITH ISOLATED STORMS AHEAD OF LINE. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 22045. ...CORFIDI ;325,0934 361,0894 361,0861 325,0901; WWUS9 KMKC 220841 SEL7 MKC WW 220841 ARZ000-MOZ000-TNZ000-MSZ000-221500- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 27 STORM PREDICTION CENTER NORMAN OK 241 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND EASTERN ARKANSAS THE MISSOURI BOOTHEEL WEST AND MIDDLE TENNESSEE WESTERN AND NORTHERN MISSISSIPPI EFFECTIVE THIS FRIDAY MORNING FROM 300 AM UNTIL 900 AM CST. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES EAST SOUTHEAST OF EL DORADO ARKANSAS TO 80 MILES EAST NORTHEAST OF DYERSBURG TENNESSEE. 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 TORNADO WATCH NUMBER 24. WATCH NUMBER 24 WILL NOT BE IN EFFECT AFTER 300 AM CST. CONTINUE...WW 23...WW 25...WW 26... DISCUSSION...SQUALL LINE EXPECTED TO CONTINUE TO DEVELOP IN HIGH- HELICITY ENVIRONMENT...WHERE INFLUX OF GULF MOISTURE AND COOL MID LEVEL TEMPERATURES SUFFICIENT FOR RENEWED UPDRAFT DEVELOPMENT. ISOLATED TORNADOES MOST LIKELY INVOF LEWP CRESTS...AND WITH ISOLATED STORMS AHEAD OF LINE. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 22045. ...CORFIDI ;325,0934 361,0894 361,0861 325,0901; WWUS9 KMKC 220818 MKC WW 220818 INZ000-KYZ000-221500- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 26 STORM PREDICTION CENTER NORMAN OK 218 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHERN INDIANA WESTERN AND CENTRAL KENTUCKY EFFECTIVE THIS FRIDAY MORNING FROM 245 AM UNTIL 900 AM CST. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES WEST SOUTHWEST OF FORT CAMPBELL KENTUCKY TO 60 MILES NORTH NORTHWEST OF LOUISVILLE KENTUCKY. 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 TORNADO WATCH NUMBER 25. WATCH NUMBER 25 WILL NOT BE IN EFFECT AFTER 245 AM CST. CONTINUE...WW 23...WW 24... DISCUSSION...THREAT FOR ISOLATED TORNADOES LIKELY TO CONTINUE ON NRN FRINGE OF DEVELOPING SQUALL LINE EXTENDING NWD FROM THE LOWER MS VALLEY. SR HELICITY VALUES REMAIN AOA 300 M2/S2 AND SURFACE PRESSURE FALL CENTER INVOF NEARLY STATIONARY E/W FRONT ACROSS SRN INDIANA SUGGEST FAVORABLE ENVIRONMENT FOR ROTATING STORMS. 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 22045. ...CORFIDI ;363,0891 385,0873 385,0844 363,0862; WWUS9 KMKC 220818 SEL6 MKC WW 220818 INZ000-KYZ000-221500- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 26 STORM PREDICTION CENTER NORMAN OK 218 AM CST FRI JAN 22 1999 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHERN INDIANA WESTERN AND CENTRAL KENTUCKY EFFECTIVE THIS FRIDAY MORNING FROM 245 AM UNTIL 900 AM CST. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES WEST SOUTHWEST OF FORT CAMPBELL KENTUCKY TO 60 MILES NORTH NORTHWEST OF LOUISVILLE KENTUCKY. 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 TORNADO WATCH NUMBER 25. WATCH NUMBER 25 WILL NOT BE IN EFFECT AFTER 245 AM CST. CONTINUE...WW 23...WW 24... DISCUSSION...THREAT FOR ISOLATED TORNADOES LIKELY TO CONTINUE ON NRN FRINGE OF DEVELOPING SQUALL LINE EXTENDING NWD FROM THE LOWER MS VALLEY. SR HELICITY VALUES REMAIN AOA 300 M2/S2 AND SURFACE PRESSURE FALL CENTER INVOF NEARLY STATIONARY E/W FRONT ACROSS SRN INDIANA SUGGEST FAVORABLE ENVIRONMENT FOR ROTATING STORMS. 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 22045. ...CORFIDI ;363,0891 385,0873 385,0844 363,0862; END OF REPORT