Alert archive / Oklahoma / Tornado Warnings in 1997
Tornado Warning 49, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Jul 17, 1997, 7:07 PM CDT for Osage 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
- Jul 17, 1997, 7:07 PM CDT (00:07 UTC)
- Expired
- Jul 17, 1997, 7:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Osage County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 7:29 PM CDT | Thunderstorm Wind 70 | Fairfax, OK | |
| Jul 17, 7:45 PM CDT | Thunderstorm Wind | Fairfax, 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
Norman, OK (KOUN), launched 00:00Z, 0.1 hours before the alert went out and 181 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
- 1936 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1989 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 180008 RRA TORTUL OKC113-180045- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TULSA OK 707 PM CDT THU JUL 17 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...SOUTHERN OSAGE COUNTY AT 7 04 PM A DEVELOPING TORNADO WAS INDICATED 5 MILES SOUTHEAST OF FAIRFAX. MOVEMENT OF THIS STORM WAS TO THE SOUTHEAST AT 10 MILES AN HOUR. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. STAY AWAY FROM OUTSID@E WALLS AND AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET IN A GROUND DEPRESSION. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:37 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 53 min |
| Jul 17, 7:48 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 6 hr |
| Jul 17, 8:14 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 46 min |
| Jul 17, 8:22 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 53 min |
| Jul 17, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 48 min |
| Jul 17, 9:11 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 49 min |
| Jul 17, 9:29 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 46 min |
| Jul 17, 11:09 PM CDT | Flash Flood Warning | TSA | Creek | 3 hr |
| Jul 18, 12:42 AM CDT | Flash Flood Warning | TSA | Okfuskee | 3 hr |
| Jul 18, 1:40 AM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 6 hr |
| Jul 18, 3:37 AM CDT | Flash Flood Warning | TSA | Okfuskee | 4 hr |
| Jul 18, 7:43 AM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 3 hr |
Nearby
Tornado Warnings in Oklahoma, 1997Every tornado warning in 1997Tornadoes 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.