Alert archive / Oklahoma / Tornado Warnings in 1998
Tornado Warning 42, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Jun 18, 1998, 5:27 PM CDT for Creek County, Tulsa County, Oklahoma. It was in force for 48 min. 11 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 18, 1998, 5:27 PM CDT (22:27 UTC)
- Expired
- Jun 18, 1998, 6:15 PM CDT
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Creek County, OK, Tulsa County, OK
The radar
The Tulsa radar (KINX), 56 km from the middle of the area, began a volume at 22:31 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 18, 5:33 PM CDT | Hail 2.5 | Glenpool, OK | |
| Jun 18, 5:36 PM CDT | Thunderstorm Wind 70 | Sapulpa, OK | |
| Jun 18, 5:41 PM CDT | Hail 2.75 | Glenpool, OK | |
| Jun 18, 5:50 PM CDT | Hail 2 | Glenpool, OK | |
| Jun 18, 5:58 PM CDT | Thunderstorm Wind 59 | Tulsa, OK | A 68 mph gust was measured near 81st Street S. and Lewis in south Tulsa. |
| Jun 18, 5:58 PM CDT | Thunderstorm Wind | Tulsa, OK | Planks blown out of a wooden fence near 91st Street S. and Harvard. Trees and power lines blown down across much of the southern part of the city of Tulsa, generally south of 61st Street. |
| Jun 18, 5:59 PM CDT | Thunderstorm Wind 61 | Bixby, OK | |
| Jun 18, 6:00 PM CDT | Thunderstorm Wind | Jenks, OK | Several large trees were blown down in Jenks. |
| Jun 18, 6:00 PM CDT | Thunderstorm Wind 61 | Tulsa, OK | Location: near 71st Street S. and Yale Ave. |
| Jun 18, 6:03 PM CDT | Hail 0.75 | Sapulpa, OK | |
| Jun 18, 6:20 PM CDT | Thunderstorm Wind 52 | Broken Arrow, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 10.5 hours before the alert went out and 137 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
- 2311 J/kg
- Mixed-layer CIN
- -158 J/kg
- Mixed-layer LCL
- 1072 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 362 m²/s²
- 0-3 km storm-relative helicity
- 391 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
873 WFUS54 KTSA 182228 RRA TORTUL OKC037-143-182315- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TULSA OK 527 PM CDT THU JUN 18 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * TORNADO WARNING FOR... EASTERN CREEK COUNTY IN NORTHEASTERN OKLAHOMA SOUTHERN TULSA COUNTY IN NORTHEASTERN OKLAHOMA * UNTIL 615 PM CDT * AT 525 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM WITH STRONG ROTATION 3 MILES SOUTHWEST OF SAPULPA. A TORNADO COULD FORM AT ANY TIME AS THIS STORM MOVES EAST AT 25 MPH. ROTATION HAS BEEN OBSERVED BY STORM SPOTTERS IN THIS AREA. * THE FOLLOWING LOCATIONS ARE NEAR THE PATH OF THIS STORM... SAPULPA KEIFER GLENPOOL JENKS LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS WILL ALSO ACCOMPANY THIS STORM. MOVE TO A SAFE PLACE IMMEDIATELY THE SAFEST PLACE IN A TORNADO IS BELOW GROUND. IF A BASEMENT OR STORM CELLAR IS NOT AVAILABLE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. GET UNDER SOMETHING STURDY AND USE BLANKETS AND PILLOWS TO PROTECT YOUR HEAD AND BODY FROM FLYING DEBRIS. AVOID WINDOWS AND LARGE ROOMS. ABANDON MOBILE HOMES AND AUTOMOBILES FOR MORE SUBSTANTIAL SHELTER. AS A LAST RESORT TAKE COVER IN A DITCH. &
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 10:33 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 42 min |
| Jun 18, 4:36 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 54 min |
| Jun 18, 4:46 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 44 min |
| Jun 18, 5:05 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 55 min |
| Jun 18, 5:30 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 45 min |
| Jun 18, 5:47 PM CDT | Flash Flood Warning | TSA | Creek, Tulsa | 103 min |
| Jun 18, 5:57 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 63 min |
| Jun 18, 6:09 PM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 36 min |
| Jun 18, 6:15 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 45 min |
| Jun 18, 6:22 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee | 53 min |
| Jun 18, 6:38 PM CDT | Tornado Warning | TSA | Muskogee, Wagoner | 37 min |
| Jun 18, 6:50 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 55 min |
| Jun 18, 6:53 PM CDT | Flash Flood Warning | TSA | Okfuskee | 2 hr |
Nearby
Tornado Warnings in Oklahoma, 1998Every tornado warning in 1998Tornadoes 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.