Tornado Warning 49, NWS Fort Worth, TX

TXZ091>095-098>107-115>123-129>135-141>148-156>162-174-175-1400500-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
1215 PM CDT FRI JUN 13 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON
AND TONIGHT FOR THAT PART OF NORTH TEXAS LOCATED EAST OF A GRAHAM TO
SAN SABA LINE. THIS AREA BOUNDS A MODERATE RISK OF SEVERE
THUNDERSTORMS LOCATED EAST OF A GAINESVILLE TO FORT WORTH TO
HILLSBORO LINE.

THE PRIMARY SEVERE WEATHER THREAT WILL BE FROM LARGE HAIL AND
DAMAGING DOWNBURST WINDS.  A FEW THUNDERSTORMS MAY ALSO PRODUCE
TORNADOES...ESPECIALLY IN NORTHEAST TEXAS BY EVENING.

THIS AFTERNOON A SURFACE LOW WAS POISED BETWEEN CHILDRESS AND WICHITA
FALLS. EXTENDING FROM THIS SURFACE LOW WAS AN ASSOCIATED TROF AXIS
GENERALLY ALONG AN ABILENE TO SAN ANGELO LINE. IN ADDITION...A
SECONDARY OUTFLOW BOUNDARY WAS STATIONARY ALONG THE EASTERN RED RIVER
VALLEY REGION.

THE AIRMASS OVER THE RISK AREA REMAINS WARM AND EXTREMELY UNSTABLE.
HOWEVER...A LAYER OF WARM AIR ABOVE THE SURFACE WILL SERVE
TO INHIBIT WIDESPREAD THUNDERSTORM DEVELOPMENT UNTIL LATE AFTERNOON
OR EARLY EVENING. DAYTIME HEATING AND THE APPROACH OF AN UPPER LEVER
JET MAXIMUM WILL EVENTUALLY COMBINE TO OVERCOME THE LAYER OF WARM AIR
ALOFT. THUNDERSTORMS THAT DO DEVELOP MAY BECOME SEVERE IN A SHORT
PERIOD OF TIME. A FEW SUPERCELLS MAY SPAWN ISOLATED TORNADOES IN
NORTHEAST TEXAS WHERE THE VERTICAL WIND PROFILE IS MORE FAVORABLE FOR
TORNADIC DEVELOPMENT.

EMERGENCY MANAGEMENT OFFICIALS...LAW ENFORCEMENT AGENCIES...STORM
SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS
SITUATION AND TAKE NECESSARY ACTION SHOULD SEVERE WEATHER THREATEN
YOUR AREA. SPOTTER ACTIVATION MAY BE REQUIRED IN THE MODERATE RISK
AREA BY LATE AFTERNOON. ELSEWHERE...SPOTTER ACTIVATION MAY BE
REQUIRED THIS EVENING.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TELEVISION
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER
STATEMENTS CONCERNING THIS POTENTIALLY DANGEROUS SEVERE WEATHER
SITUATION.

TXZ091>095-098>107-115>123-129>135-141>148-156>162-174-175-1400500-

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
1215 PM CDT FRI JUN 13 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON
AND TONIGHT FOR THAT PART OF NORTH TEXAS LOCATED EAST OF A GRAHAM TO
SAN SABA LINE. THIS AREA BOUNDS A MODERATE RISK OF SEVERE
THUNDERSTORMS LOCATED EAST OF A GAINESVILLE TO FORT WORTH TO
HILLSBORO LINE.

THE PRIMARY SEVERE WEATHER THREAT WILL BE FROM LARGE HAIL AND
DAMAGING DOWNBURST WINDS.  A FEW THUNDERSTORMS MAY ALSO PRODUCE
TORNADOES...ESPECIALLY IN NORTHEAST TEXAS BY EVENING.

THIS AFTERNOON A SURFACE LOW WAS POISED BETWEEN CHILDRESS AND WICHITA
FALLS. EXTENDING FROM THIS SURFACE LOW WAS AN ASSOCIATED TROF AXIS
GENERALLY ALONG AN ABILENE TO SAN ANGELO LINE. IN ADDITION...A
SECONDARY OUTFLOW BOUNDARY WAS STATIONARY ALONG THE EASTERN RED RIVER
VALLEY REGION.

THE AIRMASS OVER THE RISK AREA REMAINS WARM AND EXTREMELY UNSTABLE.
HOWEVER...A LAYER OF WARM AIR ABOVE THE SURFACE WILL SERVE
TO INHIBIT WIDESPREAD THUNDERSTORM DEVELOPMENT UNTIL LATE AFTERNOON
OR EARLY EVENING. DAYTIME HEATING AND THE APPROACH OF AN UPPER LEVER
JET MAXIMUM WILL EVENTUALLY COMBINE TO OVERCOME THE LAYER OF WARM AIR
ALOFT. THUNDERSTORMS THAT DO DEVELOP MAY BECOME SEVERE IN A SHORT
PERIOD OF TIME. A FEW SUPERCELLS MAY SPAWN ISOLATED TORNADOES IN
NORTHEAST TEXAS WHERE THE VERTICAL WIND PROFILE IS MORE FAVORABLE FOR
TORNADIC DEVELOPMENT.

EMERGENCY MANAGEMENT OFFICIALS...LAW ENFORCEMENT AGENCIES...STORM
SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS
SITUATION AND TAKE NECESSARY ACTION SHOULD SEVERE WEATHER THREATEN
YOUR AREA. SPOTTER ACTIVATION MAY BE REQUIRED IN THE MODERATE RISK
AREA BY LATE AFTERNOON. ELSEWHERE...SPOTTER ACTIVATION MAY BE
REQUIRED THIS EVENING.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TELEVISION
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROV,IDER FOR LATER
STATEMENTS CONCERNING THIS POTENTIALLY DANGEROUS SEVERE WEATHER
SITUATION.