Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 272, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 8, 1998, 10:52 AM CDT for Muskogee County, Sequoyah County, Oklahoma. It was in force for 38 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, 10:52 AM CDT (15:52 UTC)
- Expired
- Jun 8, 1998, 11:30 AM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Muskogee County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 70 km from the middle of the area, began a volume at 16:00 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, 11:00 AM CDT | Thunderstorm Wind 52 | Webbers Falls, OK | |
| Jun 8, 11:15 AM CDT | Thunderstorm Wind 52 | Vian, OK | Summary of events for the morning of June 8 1998:An area of showers and thunderstorms with scattered embedded severe thunderstorms moved quickly northeast across northeast Oklahoma on the morning of June 8. These storms were in response to an upper level dist |
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, 3.9 hours before the alert went out and 188 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.
000 TTAA00 KTUL 081552 RRA SVRTUL OKC091-101-135-081630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1052 AM CDT MON JUN 8 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN MCINTOSH COUNTY IN EAST CENTRAL OKLAHOMA SOUTHERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA * UNTIL 1130 AM CDT * AT 1048 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A LINE OF SEVERE THUNDERSTORMS ALONG I-40 FROM CHECOTAH TO NEAR WEBBERS FALLS...MOVING NORTHEAST AT 35 MPH. * SOME LOCATIONS AFFECTED INCLUDE... WEBBERS FALLS WARNER VIAN HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH 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 YOURSEL<F FROM LIGHTNING STAY OFF THE PHONE AND DON'T 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, 10:45 AM CDT, 7 minutes earlier.
Area forecast discussion, Jun 8, 10:45 AM CDT, 7 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1045 AM CDT MON JUN 8 1998 WILL UPDATE ZONES BETWEEN 1130 AM AND NOON FOR PRECIPITATION TRENDS. MAY ALSO TWEEK TEMPERATURES AND WINDS SLIGHTLY SINCE CLOUD COVER HAS HINDERED MIXING. .TUL... OK...NONE. AR...NONE. ABBAS
In the hours before
Special weather statement, Jun 8, 6:00 AM CDT, 4 hours 52 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, 4 hours 52 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, 7:13 AM CDT | Severe Thunderstorm Warning | TSA | Mayes, Rogers, Wagoner | 47 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 | 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.