Tornado Warning 103, NWS Tulsa, OK

Issued

Nov 22, 1999, 7:20 PM CST (01:20 UTC)

Expired

Nov 22, 1999, 7:45 PM CST

In force

25 min

Issued by

NWS Tulsa, OK

Area

Whole counties; the outline is the Mesonet’s reconstruction

County Okmulgee County, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

488 
WFUS54 KTSA 230120 RRA
TORTUL
OKC111-230145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
720 PM CST MON NOV 22 1999

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  OKMULGEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 745 PM CST

* AT 720 PM CST...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION 4 MILES WEST OF SCHULTER. MOVING NORTHEAST AT 35 MPH...
  THIS DANGEROUS STORM HAS STRENGTHENED SOME IN THE LAST 15 MINUTES 
  AND COULD PRODUCE A TORNADO AT ANY TIME. 

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...  BALD HILL...
  PRESTON...MORRIS...SCHULTER AND OKMULGEE

IF YOU ARE IN OR NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS - TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE

LAT...LON 3552 9616 3546 9603 3568 9571 3586 9589

NWS Tulsa, OK wrote its last area forecast discussion before this tornado warning went out at Nov 22, 5:45 PM CST, 1 hour 35 minutes earlier.

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
545 PM CST MON NOV 22 1999

ABOUT TO UPDATE ZONES TO INCLUDE NEW SVR TSTM WATCH CONFIGURATION.
OBJECTIVE SURFACE ANALYSIS SHOWS THE STRONGEST 3 HR PRESSURE FALLS
TAKING PLACE JUST NW OF TUL.  THEREFORE...THIS AREA WILL SEE THE
STRONGEST INCREASE IN SFC MSTR CONVERGENCE OVER THE NEXT HOUR OR
TWO.  LOW-LEVEL WINDS WILL ALSO BACK IN ADVANCE OF THE PRESSURE
FALLS AND LEAD TO STRONGER LOW-LEVEL INFLOW AND STORM RELATIVE
HELICITY.  DESPITE A SVR TSTM WATCH BEING IN EFFECT...ALL INTERESTED
PARTIES SHOULD BE READY FOR TORNADIC CONDITIONS AS SUFFICIENT SHEAR
AND INSTABILITY ARE IN PLACE.

HEAVY RAINFALL WILL ALSO BE A THREAT AS 45-55 KT MID-LEVEL WINDS RUN
PARALLEL TO THE FRONT...CURRENTLY LOCATED FROM PNC-LTS...LEADS TO
TRAINING OF CELLS.  HOWEVER...ONE-HOUR FLASH FLOOD GUIDANCE VALUES
ARE GENERALLY 2.5-3.5 INCHES AND WILL BE HARD TO BEAT.  BY
MIDNIGHT...MID-LEVEL WINDS WILL VEER SOME...CAUSING THE ACTION TO
FINALLY SHIFT EAST SOME THOUGH INCREASING THE THREAT FOR A SQUALL
LINE AND DAMAGING WIND POTENTIAL.

FCSTID = 22

.TUL...
AR...SEVERE THUNDERSTORM WATCH UNTIL 11 PM FOR ZONES
ARZ001...002...010...011...019...020...029.
OK...SEVERE THUNDERSTORM WATCH UNTIL 800 PM CST MONDAY FOR ZONES
OKZ054...OKZ059.  SEVERE THUNDERSTORM WATCH UNTIL 1100 PM CST MONDAY
FOR REMAINDER OF AREA.

Tornado Warnings in Oklahoma, 1999Every tornado warning in 1999Tornadoes in 1999

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.