Severe Thunderstorm Warning 129, NWS Tulsa, OK

AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
1020 AM CDT WED APR 27 1994

RUNNING A LITTLE BEHIND TDY. ANOTHER ACTIVE WX DAY LOOKS IN STORE
FOR ERN OK. FNT HAS SETTLED INTO SE ZNS THIS MRNG. MUCH COOLER AIR
HAS SPREAD OVR MOST OF FA. PRECIP THAT FORMED OVR WRN OK ERLIER
THIS MRNG IS HEAD FOR FA AND WL JUST REENFORCE COLD AIR. SO DON'T
XPCT TEMPS TO GO ANYWHERE AND WL LOWER IN MOST ZNS. ALSO MAY HAVE
TO UP WNDS JUST A BIT.

ANOTHER DAY OF SVR WX POSSIBLE ACRS FA. 12Z SNDGS INDICATED THAT
THERE WAS PRETTY GOOD CAPES ABV FNTL SFC. PROFILERS SHOWING 30-40
KT SLY FLOW ABV CD AIR DOME TRANSPORTING MORE WARM MOIST UNSTABLE
AIR OVR FNTL BNDRY.

WL ALSO NOW HAVE TO START WORRYING ABT FLASH FLOOD THREAT. H85 DW
PTS WERE AOA 10C AT 12Z AND PRECIP WATER WAS AOA 1.25 IN AT RAOB
SITES IN N TX. ALL THIS JUST SHOWING THE VAST AMNT OF MOISTURE
AVAILABLE FOR CNVCTN. THICKNESS VALUES ARE IN FAVORABLE RANGE FOR
HVY RAINFALL IN ADDITION TO THICKNESS BEING DIFFLUENT ACRS ERN OK.
UPR LVL FLOW CONTS TO BACK AND UPPR LVL WNDS AND ALSO DIFFLUENT. SO
WL ISSUE FFA FOR SERN ZNS FOR THIS AFTN AND TNGT. WASN'T SURE HOW
FAR N TO TAKE THIS WATCH. FOR NOW WL LIMIT IT TO THIS AREA WHICH IS
CLOSE TO WHERE HVIER RAIN HAS FALLEN THE PAST TWO DAYS. MAY HAVE TO
XTND NWD W/AFTN PACKAGE...BUT WL WAIT FOR A BETTER LOOK AT NEW
GUIDANCE COMING IN.

.TUL...FLASH FLOOD WATCH THIS AFTN AND TNGT ZNS 72>77.

OKZ054>077-271530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
935 AM CDT WED APR 27 1994

...SEVERE THUNDERSTORMS AGAIN POSSIBLE FOR PARTS OF EASTERN OKLAHOMA...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN
OKLAHOMA...EFFECTIVE UNTIL 2 PM CDT TODAY.  THE WATCH AREA IS GENERALLY
SOUTH AND WEST OF TULSA.  ALTHOUGH THE WATCH DOES NOT INLUDE EITHER
TULSA OR MCALESTER...IT DOES INCLUDE CREEK...OKFUSKEE...AND COAL COUNTIES
IN NORTHEAST AND SOUTHEAST OKLAHOMA.

AT 930 AM...STRONG TO SEVERE THUNDERSTORMS WERE OVER SOUTHWEST OKLAHOMA
...MOVING TO THE NORTHEAST AT ABOUT 40 TO 45 MPH.  SOME OF THESE STORMS
HAVE ALREADY PRODUCED WINDS UP TO 81 MPH AND QUARTER SIZE HAIL EARLIER
THIS MORNING.

PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT FOR POSSIBLE THREATENING
WEATHER CONDITIONS LATER THIS MORNING AND THIS AFTERNOON.
SURFACE WILL BE VERY WARM AND UNSTABLE. SEVERE THUNDERSTORMS ARE
POSSIBLE OVER ALL OF EASTERN OKLAHOMA TODAY AND TONIGHT AS THE
UNSTABLE AIR IS LIFTED.

VERY LARGE HAIL WILL BE THE MAIN SEVERE WEATHER THREAT OVER NORTHEAST
OKLAHOMA. ISOLATED TORNADOES ARE POSSIBLE OVER EAST CENTRAL AND
SOUTHEAST OKLAHOMA WHERE LOW LEVEL WIND FIELDS ARE MOVE FAVORABLE.
STRONG WINDS OVER 60 MPH WILL ALSO ACCOMPANY ANY SEVERE STORMS.

ALL PERSONS IN EASTERN OKLAHOMA SHOULD LISTEN CLOSELY TO THE LATEST
FORECASTS AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE AND
BE PREPARED FOR THE POSSIBILITY OF VIOLENT WEATHER TODAY AND TONIGHT.

AN UPDATED EASTERN OKLAHOMA THUNDERSTORM OUTLOOK WILL BE ISSUED AROUND
130 PM TODAY.

OKZ054>077-271530-

SPECIAL WEATHER STATEMENT         ...COR...
NATIONAL WEATHER SERVICE TULSA OK
935 AM CDT WED APR 27 1994

...SEVERE THUNDERSTORMS AGAIN POSSIBLE FOR PARTS OF EASTERN OKLAHOMA...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN
OKLAHOMA...EFFECTIVE UNTIL 2 PM CDT TODAY.  THE WATCH AREA IS GENERALLY
SOUTH AND WEST OF TULSA.  ALTHOUGH THE WATCH DOES NOT INLUDE EITHER
TULSA OR MCALESTER...IT DOES INCLUDE CREEK...OKFUSKEE...AND COAL COUNTIES
IN NORTHEAST AND SOUTHEAST OKLAHOMA.

AT 930 AM...STRONG TO SEVERE THUNDERSTORMS WERE OVER SOUTHWEST OKLAHOMA
...MOVING TO THE NORTHEAST AT ABOUT 40 TO 45 MPH.  SOME OF THESE STORMS
HAVE ALREADY PRODUCED WINDS UP T@O 81 MPH AND QUARTER SIZE HAIL EARLIER
THIS MORNING.

PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT FOR POSSIBLE THREATENING
WEATHER CONDITIONS LATER THIS MORNING AND THIS AFTERNOON.