Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 265, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 8, 1998, 7:13 AM CDT for Mayes County, Rogers County, Wagoner County, Oklahoma. It was in force for 47 min. 2 reports 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
- Jun 8, 1998, 7:13 AM CDT (12:13 UTC)
- Expired
- Jun 8, 1998, 8:00 AM CDT
- In force
- 47 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Mayes County, OK, Rogers County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 11 km from the middle of the area, began a volume at 12:13 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 |
|---|---|---|---|
| Jun 8, 7:20 AM CDT | Hail 1 | Inola, OK | |
| Jun 8, 7:30 AM CDT | Hail 0.75 | Chouteau, 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, 0.2 hours before the alert went out and 166 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
- 1128 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 421 m²/s²
- 0-3 km storm-relative helicity
- 600 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
147 WUUS54 KTSA 081212 RRA SVRTUL OKC097-131-145-081300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 713 AM CDT MON JUN 8 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MAYES COUNTY IN NORTHEASTERN OKLAHOMA SOUTHEASTERN ROGERS COUNTY IN NORTHEASTERN OKLAHOMA NORTHERN WAGONER COUNTY IN NORTHEASTERN OKLAHOMA * UNTIL 800 AM CDT * AT 710 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM JUST EAST OF ONETA...MOVING NORTHEAST AT 45 MILES AN HOUR. * SOME LOCATIONS AFFECTED INCLUDE... INOLA CHOUTEAU HAIL TO THE SIZE OF QUARTERS CAN BE EXPECTED IN THE WARNED AREA. BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. WHEN THUNDERSTORMS APPROACH...TAKE COVER INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING STAY OFF THE PHONE AND DONT USE HAND HELD ELECTRICAL APPLIANCES. MOTORISTS SHOULD NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 Jun 8, 3:55 AM CDT, 3 hours 18 minutes earlier.
Area forecast discussion, Jun 8, 3:55 AM CDT, 3 hours 18 minutes before
FPUS3 KTUL 080855 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 355 AM CDT MON JUN 8 1998 PROBLEM(S) OF THE DAY: WILL THERE BE SEVERE CONVECTION? WILL THE CONVECTION BE SCATTERED OR NUMEROUS? MDTLY STG S/W MOVING ACROSS NW KS IS THE FOCUS OF ATTENTION. BIG QUESTION IS WHETHER TSRA WILL DEVELOP IN WAA REGION BEFORE STG LLJ GOES AWAY LATER TODAY. MODELS STILL INDICATING COMMA TAIL SECTOR SHOULD BE RIGHT OVER ERN OK AROUND 12Z SPREADING INTO AR TODAY. SO FAR ONLY STORMS ARE IN NRN KS AND XTRM SW OK/NW TX. IF STORMS DO NOT DEVELOP OR MOVE INTO THE AREA BY MIDDAY...SUBJECTIVE EXPERIENCE IS THAT NEW STORM INITIATION WILL BE CLOSER TO SFC BOUNDARIES...WARM FRONT IN NE AND DRY LINE IN WRN TX. WITH LACK OF DEVELOPMENT AT THIS POINT AND NO STG SFC BOUNDARIES NEARBY...GOING BELOW GUIDANCE FOR POPS TODAY. HAVE ALSO GONE ABOVE FWC/FAN TEMPS FOR SAME REASONS. IF STORMS CAN DEVELOP TODAY...SHOULD CONTINUE INTO ERN ZONES THIS EVENING. BY LATE TONIGHT...S/W SHOULD BE WELL TO THE NE AND TAKING WHAT LIFT AND WAA IT HAD WITH IT. SFC BOUNDARIES WILL STILL BE NOT TOO FAR AWAY AND ALTOUGH H5 AND H8 FLOW WILL BE WEAKER...THERE IS ENOUGH INSTABILITY AND NEARBY BOUNDARIES TO MAINTAIN SLT CHC POPS FOR THE 3RD AND 4TH PERIODS...INCLUDING EXTENDED FOR THAT MATTER. NEW MRF STILL SHOWS H5 FLOW BECOMING WSWLY BY THE WEEKEND. MAY BE AN ACTIVE SVR PERIOD FOR THE TX PANHANDLE WITH A STRAY STORM OR TWO ROLLING INTO AREAS FURTHER EAST. FCSTID = 26 TUL 82 68 88 71 / 50 20 20 20 FSM 80 65 89 67 / 40 30 20 20 MLC 82 68 87 70 / 40 30 20 20 BVO 80 67 89 69 / 50 20 10 20 FYV 78 65 84 65 / 40 30 20 20 IDB 85 66 87 67 / 30 30 20 20 BYV 78 63 83 64 / 40 30 20 20 MIO 80 67 87 68 / 40 30 20 20 MKO 81 69 87 70 / 50 30 20 20 F10 81 68 88 71 / 50 20 20 20 HHW 85 68 87 70 / 30 30 20 20 .TUL... OK...NONE. AR...NONE. --------------------- EXPERIMENTAL OUTPUT: GENERAL WEATHER EXPECTED NEXT 24 HOURS: CONVECTIVE PRECIP HAZARDOUS WEATHER EXPECTED NEXT 24 HOURS: SLIGHT CHANCE SEVERE THUNDERSTORMS NGM CONFIDENCE: 6 ON A SCALE OF 0 TO 10 ETA CONFIDENCE: 6 ON A SCALE OF 0 TO 10 AVN CONFIDENCE: 5 ON A SCALE OF 0 TO 10 FCST CONFIDENCE: 7 ON A SCALE OF 0 TO 10
In the hours before
Special weather statement, Jun 8, 6:00 AM CDT, 1 hour 13 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-091200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT MON JUN 8 1998 A FEW SEVERE THUNDERSTORMS ARE POSSIBLE TODAY AND TONIGHT IN NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS TO THE NORTH OF INTERSTATE 40. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE IN SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS TO THE SOUTH OF INTERSTATE 40. STRONG SOUTHERLY LOW LEVEL WINDS WERE TRANSPORTING MOISTURE RAPIDLY NORTH INTO EASTERN OKLAHOMA AND NORTHWEST ARKANSAS EARLY THIS MORNING. AN UPPER LEVEL DISTURBANCE MOVING ACROSS KANSAS HAS RESULTED IN THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS ACROSS SOUTHERN KANSAS AND ALSO SOUTHERN OKLAHOMA EARLY THIS MORNING. SCATTERED SHOWERS AND THUNDERSTORMS WILL LIKELY DEVELOP AND INCREASE IN COVERAGE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS EARLY THIS MORNING AS THE UPPER LEVEL DISTURBANCE CONTINUES MOVING EAST. SURFACE BASED INSTABILITY REMAINS EXTREMELY LIMITED EARLY THIS MORNING BUT ELEVATED INSTABILITY IS BECOMING FAIRLY STRONG. THUS SOME OF THE STORMS THIS MORNING MAY BE CAPABLE OF PRODUCING LARGE HAIL...MAINLY NORTH OF INTERSTATE 40. SURFACE BASED INSTABILITY WILL BECOME GREATER LATER THIS AFTERNOON AS TEMPERATURES WARM INTO THE UPPER 70S TO MID 80S AND DEWPOINTS RISE THROUGH THE 60S. A FEW THUNDERSTORMS MAY REDEVELOP LATE THIS AFTERNOON ESPECIALLY ALONG ANY RESIDUAL BOUNDARIES LEFT OVER BY THE MORNING SHOWERS AND STORMS. IF STORMS CAN DEVELOP LATE THIS AFTERNOON AND EARLY THIS EVENING...THEY WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL... DAMAGING WINDS AND POSSIBLY EVEN TORNADOES GIVEN THE FAVORABLE WIND PROFILES. SINCE NO ACTUAL FRONTAL BOUNDARIES WILL BE IN THE AREA TONIGHT AND SINCE THE UPPER LEVEL DISTURBANCE WILL BE MOVING AWAY FROM THE AREA... THUNDERSTORMS WHICH DO DEVELOP LATE THIS AFTERNOON AND EVENING SHOULD WEAKEN AFTER 10 PM. EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTER GROUPS IN EASTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD MONITOR WEATHER CONDITIONS TODAY AND TONIGHT AND BE PREPARED FOR POSSIBLE ACTIVATION. AN UPDATED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AROUND 1 PM THIS AFTERNOON..
Special weather statement, Jun 8, 6:00 AM CDT, 1 hour 13 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-091200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT MON JUN 8 1998 A FEW SEVERE THUNDERSTORMS ARE POSSIBLE TODAY AND TONIGHT IN NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS TO THE NORTH OF INTERSTATE 40. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE IN SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS TO THE SOUTH OF INTERSTATE 40. STRONG SOUTHERLY LOW LEVEL WINDS WERE TRANSPORTING MOISTURE RAPIDLY NORTH INTO EASTERN OKLAHOMA AND NORTHWEST ARKANSAS EARLY THIS MORNING. AN UPPER LEVEL DISTURBANCE MOVING ACROSS KANSAS HAS RESULTED IN THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS ACROSS SOUTHERN KANSAS AND ALSO SOUTHERN OKLAHOMA EARLY THIS MORNING. SCATTERED SHOWERS AND THUNDERSTORMS WILL LIKELY DEVELOP AND INCREASE IN COVERAGE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS EARLY THIS MORNING AS THE UPPER LEVEL DISTURBANCE CONTINUES MOVING EAST. SURFACE BASED INSTABILITY REMAINS EXTREMELY LIMITED EARLY THIS MORNING BUT ELEVATED INSTABILITY IS BECOMING FAIRLY STRONG. THUS SOME OF THE STORMS THIS MORNING MAY BE CAPABLE OF PRODUCING LARGE HAIL...MAINLY NORTH OF INTERSTATE 40. SURFACE BASED INSTABILITY WILL BECOME GREATER LATER THIS AFTERNOON AS TEMPERATURES WARM INTO THE UPPER 70S TO MID 80S AND DEWPOINTS RISE THROUGH THE 60S. A FEW THUNDERSTORMS MAY REDEVELOP LATE THIS AFTERNOON ESPECIALLY ALONG ANY RESIDUAL BOUNDARIES LEFT OVER BY THE MORNING SHOWERS AND STORMS. IF STORMS CAN DEVELOP LATE THIS AFTERNOON AND EARLY THIS EVENING...THEY WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL... DAMAGING WINDS AND POSSIBLY EVEN TORNADOES GIVEN THE FAVORABLE WIND PROFILES. SINCE NO ACTUAL FRONTAL BOUNDARIES WILL BE IN THE AREA TONIGHT AND SINCE THE UPPER LEVEL DISTURBANCE WILL BE MOVING AWAY FROM THE AREA... THUNDERSTORMS WHICH DO DEVELOP LATE THIS AFTERNOON AND EVENING SHOULD WEAKEN AFTER 10 PM. EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTER GROUPS IN EASTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD MONITOR WEATHER CONDITIONS TODAY AND TONIGHT AND BE PREPARED FOR POSSIBLE ACTIVATION. AN UPDATED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AROUND 1 PM THIS AFTERNOON..
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 9:46 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 29 min |
| Jun 8, 7:47 AM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa | 43 min |
| Jun 8, 9:49 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 41 min |
| Jun 8, 9:58 AM CDT | Severe Thunderstorm Warning | TSA | Adair | 32 min |
| Jun 8, 10:22 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 38 min |
| Jun 8, 10:30 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 45 min |
| Jun 8, 10:49 AM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 41 min |
| Jun 8, 10:52 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Sequoyah | 38 min |
| Jun 8, 10:52 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 38 min |
| Jun 8, 5:20 PM CDT | Tornado Warning | TSA | Osage | 70 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1998Every severe thunderstorm warning in 1998
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.