Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 22, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 9, 1997, 11:26 AM CST for Latimer County, Oklahoma. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 9, 1997, 11:26 AM CST (17:26 UTC)
- Expired
- Mar 9, 1997, 12:30 PM CST
- In force
- 64 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Latimer County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 5.4 hours before the alert went out and 199 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 509 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 498 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
719 WUUS1 KTUL 091728 RRA SVRTUL OKC077-091830- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1126 AM CST SUN MAR 9 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST OKLAHOMA ...LATIMER COUNTY AT 1120 RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTHEAST OF HARTSHORNE...MOVING INTO LATIMER COUNTY. THE THUNDERSTORM IS MOVING EAST AT ABOUT 35 MPH AND WILL AFFECT THE AREA AROUND WILBURTON BEFORE 12 NOON. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 50 MPH CAN BE EXPECTED IN THE WARNED AREA. KEEP TUNED TO THIS STATION FOR THE LATEST NATIONAL WEATHER SERVICE BULLETINS.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 9, 9:46 AM CST, 1 hour 40 minutes earlier.
Area forecast discussion, Mar 9, 9:46 AM CST, 1 hour 40 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 945 AM CST SUN MAR 9 1997 WINDS RIGHT BEHIND FRONT ARE QUITE STRONG WITH GREATER THAN +6 MB/3HR RISES IN KS. MESONET GUSTS OVER 40MPH BEING REPORTED IN KAY COUNTY. WILL UPDATE WINDS TO ADVISORY LEVELS... BECOMING N 20-30 OVER COUNTIES NW OF TUL WITH CAUTION ON AREA LAKES ELSEWHERE. ANOTHER PROBLEM IS THREAT OF SVR OVER ERN ZONES LATER TODAY. DO NOT AGREE WITH LATEST DY1 OUTLOOK KEEPING SLT RISK TO THE NE OF AREA. MODELS SHOWING WLY WINDS ABOVE THE SFC OVER MOST OF THE AREA BY 18Z WHICH SHOULD KEEP STRONG CONVERGENCE LIMITED TO NEAR THE SFC. HOWEVER...LI ON AREA SOUNDINGS ARE VERY UNSTABLE (LI -5 AT OUN) WITH LITTLE OR NO CAP. COULD SEE A FEW STORMS THIS MORNING AND INTO THIS AFTERNOON BECOME SVR WITH LARGE HAIL POSS. AXIS OF MOISTURE AND INSTABILITY AT 12Z VERY NARROW FROM SPS TO OUN TO SGF. CURRENT SHRA/TSRA IN ERN ZONES ARE BEHAVING THEMSELVES WHERE INSTABILITY IS NOT AS HIGH...BUT OTHER SCT SHRA/TSRA AHEAD OF FRONT CONTINUE. WILL HAVE TO WATCH PROGRESS OF FRONT AND CLOUD COVER CLOSELY THE NEXT 6 HOURS. VIS IMAGERY SHOWING SEVERAL BREAKS IN SRN OK AND NRN TX AND INSTABILITY COULD GET OUT OF CONTROL IF ENOUGH SUNSHINE BREAKS THROUGH. WILL NOT MENTION POSS SVR B/C OF TOO MANY UNCERTAINTIES ATTM. MAIN THREAT APPEARS TO BE LARGE HAIL. REST OF FCST LOOKS GOOD. /26 .TUL... OK...WIND ADVISORY TODAY ZONES 54>56/59. CAUTION ON A0REA LAKES ELSEWHERE THIS AFTERNOON ELSEWHERE. AR....CAUTION ON AREA LAKES ELSEWHERE THIS AFTERNOON ELSEWHERE.
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.