Severe Thunderstorm Warning 74, NWS Fort Worth, TX

AREA FORECAST DISCUSSION...UPDATED FOR AVIATION DISCUSSION
NATIONAL WEATHER SERVICE FORT WORTH TX
550 AM CST FRI MAR 10 2000

AVIATION DISCUSSION...MVFR CEILINGS OVER THE SOUTHERN HALF OF NORTH
TEXAS WILL SPREAD NORTH ACROSS THE METROPLEX BETWEEN 12 AND 14Z.
THESE WILL STICK AROUND UNTIL ABOUT 18Z AND GRADUALLY LIFT.
THUNDERSTORMS NORTH AND WEST OF THE METROPLEX WILL BUILD SOUTHWARD
AS UPPER LEVEL SHORT WAVE NEARS NORTH TEXAS.  WILL INCLUDE A TEMPO
GROUP BETWEEN 16 AND 18Z FOR THUNDERSTORMS AND MVFR CEILINGS.
THUNDERSTORM CHANCES WILL DECREASE THROUGH THE AFTERNOON AS BEST
LIFT MOVES NORTHEAST.  EXPECT LIGHT EAST TO SOUTHEAST WINDS TO
BECOME NORTHWEST THIS AFTERNOON AND INCREASE AS HIGH PRESSURE BUILDS
SOUTHWARD.

400 AM DISCUSSION
WARM FRONTAL BOUNDARY SOUTH OF A SHREVEPORT...WACO LINE EARLY THIS MORNING
...WILL DRIFT NORTH TODAY.  THIS BOUNDARY SHOULD REMAIN SOUTH OF THE
METROPLEX.  ELEVATED CONVECTION HAS ALREADY FORMED ACROSS THE
NORTHWESTERN THIRD OF THE REGION.  LOOKS LIKE ANOTHER BUSY DAY AT
THE WEATHER DESKS.  THE SPC SLIGHT AND MODERATE RISK AREAS LOOK
GOOD.  A COLD FRONT WILL MOVE THROUGH THE WESTERN HALF OF THE
FORECAST AREA THIS AFTERNOON...ENDING THE RAIN CHANCES THERE. WILL
KEEP POPS INTO TONIGHT ACROSS THE EAST. THE FRONT WILL CLEAR THE FORECAST
AREA BY MIDNIGHT.  DRY AND COOLER WEATHER...CLOSER TO SEASONAL
NORMALS...WEATHER ON TAP FOR THE WEEKEND.  ANOTHER SHO*RTWAVE SHOULD
BRING ANOTHER CHANCE OF SHOWERS AND THUNDERSTORMS ON TUESDAY.  #58

DFW 70/43/65/40 5200   ACT 77/45/68/40 5300

.FTW...NONE.

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
635 AM CST FRI MAR 10 2000

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0430 AM    WHITEWRIGHT               TX   0.75 INCH HAIL
03/10/00   GRAYSON                        PEA TO DIME SIZE HAIL IN
                                          WHITEWRIGHT. REPORTED BY
                                          GRAYSON CO. SHERIFF DEPT.

0500 AM    GRAHAM                    TX   0.75 INCH HAIL
03/10/00   YOUNG                          3/4" HAIL IN GRAHAM
                                          REPORTED BY GRAHAM FIRE DEPT.

0609 AM    ELIASVILLE                TX   1.00 INCH HAIL
03/10/00   YOUNG                          QUARTER HAIL IN
                                          ELIASVILLE
                                          REPORTED BY GRAHAM FIRE DEPT.

0630 AM    6 N GRAHAM                TX   1.00 INCH HAIL
03/10/00   YOUNG                          QUARTER HAIL AT HIGHWAY
                                          380 / FM 1769
                                          REPORTEkD BY GRAHAM FIRE DEPT.

ZCZC FTWWRKSPS 000
TTAA00 KFWD DDHHMM
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-101800-

HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
925 AM CST FRI MAR 10 2000

SCATTERED STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE THROUGH THE
MORNING HOURS...MAINLY NORTH OF A LINE FROM LAMPASAS...TO CANTON.
LARGE HAIL IS THE PRIMARY THREAT WITH THESE THUNDERSTORMS. HEAVY
RAINFALL IS ALSO POSSIBLE.

THE STORMS WERE OCCURRING NORTH OF NEARLY STATIONARY FRONT ACROSS
NORTH TEXAS.

FOR THIS AFTERNOON AND EARLY EVENING...THERE IS A MODERATE RISK OF
SEVERE THUNDERSTORMS ...ACROSS AREAS ALONG AND SOUTH OF A LINE FROM
LAMPASAS...TO HILLSBORO...TO SULPHUR SPRINGS. THERE IS A SLIGHT RISK
ACROSS THE REMAINDER OF NORTH TEXAS.

THIS AFTERNOON...A STRONG UPPER LEVEL DISTURBANCE WILL APPROACH
NORTH TEXAS FROM THE TEXAS PANHANDLE. MEANWHILE THE STATIONARY FRONT
WILL MOVE SOUTHEAST AS A COLD FRONT. FORECAST VERTICAL WIND AND
INSTABILITY PROFILES SUGGEST THAT LARGE HAIL...DAMAGING WINDS...AND
ISOLATED TORNADOES WILL BE POSSIBLE. THE SEVERE WEATHER THREAT IS
ENHANCED IN THE MODERATE RISK AREA...WHERE INSTABILITY WILL BE
MAXIMIZED.

SPOTTERS AND EMERGENCY MANAGERS IN THE OUTLOOK AREA SHOULD MONITOR
THE LATEST WEATHER CONDITION. ACTIVATION WILL BE POSSIBLE THROUGH
THE DAY.

&&

FOR HAZARDOUS WEATHER/THUNDERSTORM OUTLOOKS FOR ADJACENT AREAS...SEE
OKCSPSOKC (NORTHWESTERN TEXAS...WESTERN AND CENTRAL OKLAHOMA)...
NEWSPSSHV (NORTHEAST TEXAS...NORTHWESTERN LOUISIANA...EXTREME
SOUTHEASTERN OKLAHOMA AND SOUTHWESTERN ARKANSAS)...SATSPSHOU
(SOUTHEAST TEXAS)...SATSPSSAT (SOUTH CENTRAL TEXAS)...AND LBBSPSSJT
(WEST CENTRAL TEXAS).

83