Severe Thunderstorm Warning 130, NWS Tulsa, OK

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
915 PM CDT FRI MAY 5 2000

PESKY UPPER LEVEL LOW HAS RESULTED IN A PESKY CLUSTER OF
THUNDERSTORMS OVER NORTHEAST OKLAHOMA THIS EVENING.  EXPECTED THEM
TO DISSIPATE AFTER SUNSET BUT JUST AS THEY LOOK LIKE THEY ARE FADING
THEY PULSE UP AGAIN.  GOING FORECAST DID NOT TIME THE THUNDERSTORMS
TONIGHT AND THAT LOOKS GOOD.  STILL EXPECT WARM ADVECTION STORMSj
LATER TONIGHT OVER THE WHOLE AREA.  THUS...TRENDS OF GOING FORECAST
LOOK GOOD FOR NOW AND WILL HOLD OFF ON AN UPDATE FOR LATER IF AT
ALL.

.TUL...
AR...NONE.
OK...NONE.

ABBAS

ARZ001-002-010-011-019-020-029-OKZ049-053>076-061200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
815 PM CDT FRI MAY 5 2000

...A FEW SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA
   AND NORTHWEST ARKANSAS TONIGHT...

.SYNOPSIS...
AN UPPER LEVEL LOW PRESSURE SYSTEM LOCATED OVER FAR NORTHEAST
OKLAHOMA EARLY THIS EVENING WILL DRIFT VERY SLOWLY NORTH INTO
SOUTHEAST KANSAS AND SOUTHWEST MISSOURI TONIGHT. SOUTHERLY FLOW AT
THE SURFACE WILL CONTINUE THROUGH TONIGHT.

.PRIMARY HAZARD...
WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS
EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS EVENING.  MORE
THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE TONIGHT.  A FEW OF THE
THUNDERSTORMS ARE EXPECTED TO BE SEVERE WITH LARGE HAIL AND DAMAGING
WIND.

.DISCUSSION...
A MOIST AND SOMEWHAT UNSTABLE AIRMASS COMBINED WITH COLD AIR ALOFT
ASSOCIATED WITH THE UPPER LOW HAS RESULTED IN THE WIDELY SCATTERED
THUNDERSTORMS THIS EVENING.

OVERNIGHT...THE LOW LEVEL JET WILL INCREASE TO AROUND 50 KNOTS FROM
CENTRAL TEXAS INTO WESTERN AND CENTRAL OKLAHOMA. STRONG WARM AIR AND
MOISTURE ADVECTION AROUND 5000 TO 10000 FEET ABOVE THE GROUND WILL
RESULT IN CONTINUED INSTABILITY AND STRONG VEERING OF THE WINDS WITH
HEIGHT.

MORE NUMEROUS THUNDERSTORMS ARE EXPECTED TO BEGIN DEVELOPING JUST
AFTER MIDNIGHT IN EASTERN OKLAHOMA. THUNDERSTORMS THIS EVENING AND
OVERNIGHT WILL BE CAPABLE OF PRODUCING LARGE HAIL AROUND 1 INCH IN
DIAMETER.

.SPOTTER ACTIVATION...
EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTER GROUPS SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION TONIGHT.

A GRAPHICAL VERSION OF THE HAZARDOUS WEATHER OUTLOOK IS ALSO
AVAILABLE. THIS PRODUCT AS WELL AS OTHER DETAILED FORECASTS ARE
AVAILABLE AT HTTP://WWW.NWSTULSA.NOAA.GOV/

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1028 PM CDT FRI MAY 05 2000

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

0815 PM    12 NE BEGGS               OK    1.75 INCH HAIL
05/05/00   OKMULGEE                        SPOTTER REPORT OF
                                           GOLFBALL SIZED HAIL.

0848 PM    TULSA                     OK    .75 INCH HAIL
05/05/00   TULSA                           HAM RADIO REPORT OF
                                           DIME SIZED HAIL
                                           COVERING THE GROUND IN
                                           WEST TULSA.

0851 PM    TULSA                     OK    .88 INCH HAIL
05/05/00   TULSA                           PUBLIC REPORT OF NICKEL
                                           SIZED HAIL AT 71ST AND
                                           LEWIS.

0852 PM    TULSA                     OK    1 INCH HAIL
05/05/00   TULSA                           QUARTER SIZED HAIL
                                           REPORTED BY TELEVISION
                                           METEOROLOGIST AT 67TH
                                           AND PEORIA.

0853 PM    TULSA                     OK    .88 INCH HAIL
05/05/00   TULSA                           NICKEL SIZED HAIL
                                           REPORTED BY OFF DUTY
                                           NWS EMPLOYEE AT 91ST
                                           AND DELAWARE.

0904 PM    TULSA                     OK    1 INCH HAIL
05/05/00   TULSA                           MEDIA REPORT OF QUARTER
                                           SIZED HAIL AT 91ST AND
                                           SHERIDAN.

0908 PM    TULSA                     OK    1 INCH HAIL
05/05/00   TULSA                           QUARTER SIZED HAIL
                                           REPORTED BY OFF DUTY
                                           NWS EMPLOYEE AT 81ST
                                           AND MEMORIAL.

0908 PM    TULSA                     OK    2.75 INCH HAIL
05/05/00   TULSA                           HAM RADIO REPORT OF
                                           BASEBALL SIZED HAIL AT
                                           81ST AND YALE.

0910 PM    TULSA                     OK    1.75 INCH HAIL
05/05/00   TULSA                           GOLFBALL SIZED HAIL
                                           REPORTED BY OFF DUTY
                                           NWS EMPLOYEE AT 81ST
                                           AND SHERIDAN.

0916 PM    TULSA                     OK    1.75 INCH HAIL
05/05/00   TULSA                           PUBLIC REPORT OF
                                           GOLFBALL SIZED HAIL AT
                                           91ST AND MEMORIAL.

DRM