Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 357, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Dec 9, 1997, 5:57 PM CST for Craig County, Oklahoma. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 9, 1997, 5:57 PM CST (23:57 UTC)
- Expired
- Dec 9, 1997, 6:45 PM CST
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Craig County, OK
The radar
The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 23:48 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 9, 5:59 PM CST | Hail 0.88 | White Oak, 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 12.0 hours before the alert went out and 126 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 092353 SVRTUL OKC035-100045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 557 PM CST TUE DEC 9 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...SOUTHERN CRAIG COUNTY AT 550 PM...SPOTTERS REPORTED DIME TO NICKLE SIZE HAIL 3 MILES WEST OF WHITE OAK SCHOOL. THE HAIL WAS NEARLY COVERING THE GROUND. THIS STORM WAS MOVING TO THE EAST AT ABOUT 25 MPH. WHITE OAK AND VINITA ARE IN THE PATH OF THIS STORM. HAIL TO THE SIZE OF NICKELS CAN BE EXPECTED IN THE WARNED AREA. KEEP TUNED TO THIS STATION FOR THE LAT^EST WEATHER 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 Dec 9, 3:48 PM CST, 2 hours 9 minutes earlier.
Area forecast discussion, Dec 9, 3:48 PM CST, 2 hours 9 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 345 PM CST TUE DEC 9 1997 LO CLDS HV BEEN ERODING ACRS MUCH OF FA THIS AFTN AS SFC LO HAS MADE IT INTO NE OK. HOWEVER AS LO CONT/REFORMS OFF TO THE E THE CLDS WL GET WRAPPED BACK ACRS MUCH OF THE FA THIS EVE AND SPREADING ACRS FAR SRN AND ERN PTNS LATER TNGT. MOISTURE LOOKS SHALLOW AND NOT MUCH FORCING SO CHC OF MEASURABLE PRECIP DOES NOT LOOK TOO HIGH. BUT HV NOTED SOME DRIZZLE/FLURRIES IN THE WRAP-ARND OFF TO THE NW AND ALSO SOME ECHOES NOW DVLPG IN NRN OSAGE CNTY. CRNT PLAN IS TO MENTION CHC DRIZZLE/FLURRIES IN NE OK/NW AR ZNS BUT MAY HV TO ADD SOME LO POPS AT LAST MIN. MEAN UPR TROF TO REMAIN OVR THE PLAINS AS NEXT PIECE OF ENERGY DROPS S/SW INTO IT. STRGST FLOW TO BE JUST S OF FA AND SOME WK DISTURBANCES WL MV THRU IT. FORCING NOT TOO APPARENT W/THESE PASSING SYS SO WL NOT MENTION PRECIP W/THEM ATTM. HOWEVER W/BLOCKING PATN REMAINING IN PLACE SFC RIDGING WL CONT IN FM THE NW KEEPING BLO NRML TEMPS AND LO CLDS INTO THU NGT. LEANED TWDS ECMWF FOR XTND PDS WHICH SHLD TAKE MOST PRECIP TO THE S OF FA. HOWEVER WL MENTION A CHC OF RASN FOR ENTIRE FA ON SAT AND JUST FOR SE OK/WCNTRL AR ON SUN AS SYS MVS OFF TO TH E. PRELIM NMBRS TUL 31/35 28/37 1111 FSM 34/38 31/41 1111 MLC 33/37 28/40 1111 BVO 29/34 26/36 1111 FYV 30/34 28/36 1111 IDB 36/43 32/44 1111 BYV 30/34 26/35 1111 MIO 30/34 27/36 1111 MKO 32/36 29</38 1111 F10 31/35 28/38 1111 .TUL... OK...NONE. AR...NONE.
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.