Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 264, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 15, 1997, 9:14 PM CDT for Osage County, Oklahoma. It was in force for 46 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 15, 1997, 9:14 PM CDT (02:14 UTC)
- Expired
- Jul 15, 1997, 10:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Osage County, OK
The radar
The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 02:13 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 |
|---|---|---|---|
| Jul 15, 9:15 PM CDT | Hail 0.88 | Hominy, OK | |
| Jul 15, 9:25 PM CDT | Hail 1 | Hominy, OK | Severe thunderstorms developed in eastern Oklahoma during the afternoon and evening of July 15th. Strong thunderstorm winds damaged 1 building and 1 house and downed several trees and power poles 4 miles west of Okemah. Thunderstorm winds gusted to 61 miles an |
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, 2.2 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
- 1184 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 1459 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
812 WUUS1 KTUL 160215 RRA SVRTUL OKC113-160300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 914 PM CDT TUE JUL 15 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...SOUTHERN OSAGE COUNTY AT 913 PM...RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHEAST OF HOMINY. THIS STORM WAS DRIFTING SLOWLY SOUTHWEST. HOMINY IS IN THE PATH OF THIS STORM. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. KEEP TUNED TO THIS STATION FOR THE LATEST 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 Jul 15, 8:47 PM CDT, 27 minutes earlier.
Area forecast discussion, Jul 15, 8:47 PM CDT, 27 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 845 PM CDT TUE JUL 15 1997 STRONG/SEVERE THUNDERSTORMS HAVE KEPT THE OFFICE BUSY THIS EVENING. WILL UPDATE THE ZONES TO REFLECT THUNDERSTORM TRENDS ONCE THE ACTIVITY DIES DOWN. .TUL... OK...NONE. AR...NONE. ABBAS
In the hours before
Local storm report, Jul 15, 3:52 PM CDT, 5 hours 22 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
352 PM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0320 PM 5 SW MCALESTER OK 1.00 INCH HAIL AT TOLL
07/15/97 PITTSBURG BOOTH ON INDIAN NATIONS
TURNPIKE SOUTHWEST OF
MCALESTERLocal storm report, Jul 15, 3:54 PM CDT, 5 hours 20 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
352 PM CDT TUE JUL 15 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0320 PM 5 SW MCALESTER $ OK 1.00 INCH HAIL AT TOLL
07/15/97 PITTSBURG BOOTH ON INDIAN NATIONS
TURNPIKE SOUTHWEST OF
MCALESTERThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:03 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 42 min |
| Jul 15, 7:22 PM CDT | Flash Flood Warning | TSA | Mayes, Rogers, Wagoner | 2 hr |
| Jul 15, 7:27 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 48 min |
| Jul 15, 7:31 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 44 min |
| Jul 15, 7:36 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Tulsa | 54 min |
| Jul 15, 7:48 PM CDT | Flash Flood Warning | TSA | Tulsa | 117 min |
| Jul 15, 8:24 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 51 min |
| Jul 15, 8:27 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 48 min |
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.