Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 175, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 16, 1997, 3:15 AM CDT for Tulsa County, Oklahoma. It was in force for 45 min. 1 report 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 16, 1997, 3:15 AM CDT (08:15 UTC)
- Expired
- Jun 16, 1997, 4:00 AM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Tulsa County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 16, 3:52 AM CDT | Hail 0.75 | Sperry, OK | Severe thunderstorms moved across northeast Oklahoma during the very early morning of June 16th. Strong thunderstorm winds broke the tops off trees and downed large tree limbs 0.5 miles east of Copan, and several large tree limbs were blown down in Lenapah. Th |
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, 8.3 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
- 1254 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1213 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 146 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 160816 RRA SVRTUL OKC143-160900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 315 AM CDT MON JUN 16 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...NORTHERN TULSA COUNTY AT 315 AM...RADAR SHOWED A SEVERE THUNDERSTORM NEAR SKIATOOK. THE STORM WAS MOVING EAST AT 30 MPH. SKIATOOK AND COLLINSVILLE ARE IN THE PATH OF THIS STORM. HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER DRIVE ONTO A FLOODED ROAD. 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 Jun 15, 9:28 PM CDT, 5 hours 47 minutes earlier.
Area forecast discussion, Jun 15, 9:28 PM CDT, 5 hours 47 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 925 PM CDT SUN JUN 15 1997 DEVELOPMENT AND EVOLUTION OF CONVECTION CONTINUES TO BE THE FORECAST PROBLEM ACROSS THE AREA. OUTFLOW FROM MCS IN AR SET OFF A FEW STORMS NR FSM THIS AFTERNOON. ACTIVITY HAS DECREASED SINCE SUNSET AND IS NOW CONFINED TO XTRM SE OK. XPCT THIS ACTIVITY TO CONTINUE TO DECREASE WITH NO STG CONVERGENCE OR OTHER MECHANISM PRESENT. TSRA IN KS AND FAR NW OK THIS EVENING SHOULD CONTINUE TO PROGRESS SLOWLY EWD. WITH SSWLY LLJ AND SWLY H5 FLOW...ACTIVITY PROBABLY WONT MAKE IT CLOSE TO NW ZONES UNTIL WELL AFTER MIDNIGHT...WITH A CHANCE IT MAY NEVER GET HERE AT ALL. WILL KEEP CHC POPS IN PLACE TONIGHT HOWEVER AS NEW TSRA MAY INITIATE ELEVATED ON LLJ AS IT DID THIS MORNING. MOISTURE AT SFC AND H8 VERY RICH TONIGHT WITH DPS NR 20C AT H8 AND AROUND 70F AT SFC. ADAP CONTINUES TO SHOW LIS -5 TO - 7 AND WITH SR FLOW FAIRLY STG...ANY STORMS IN THE AREA WILL LIKLEY BE SVR TONIGHT. MAY TWEAK POPS AND CLOUDS SOMEWHAT...BUT NOT MUCH. /26 .TUL... OK...NONE. AR...NONE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 1:07 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 53 min |
| Jun 16, 1:46 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 29 min |
| Jun 16, 2:08 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 52 min |
| Jun 16, 7:14 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 31 min |
| Jun 16, 7:25 AM CDT | Severe Thunderstorm Warning | TSA | Wagoner | 50 min |
| Jun 16, 4:56 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 49 min |
| Jun 16, 5:01 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 44 min |
| Jun 16, 5:09 PM CDT | Tornado Warning | TSA | McIntosh, Okfuskee, Okmulgee | 51 min |
| Jun 16, 5:16 PM CDT | Severe Thunderstorm Warning | TSA | Latimer | 29 min |
| Jun 16, 5:31 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 44 min |
| Jun 16, 5:37 PM CDT | Tornado Warning | TSA | McIntosh | 53 min |
| Jun 16, 5:45 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 45 min |
| Jun 16, 5:49 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer | 56 min |
| Jun 16, 6:02 PM CDT | Tornado Warning | TSA | LeFlore | 43 min |
| Jun 16, 6:09 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee | 51 min |
| Jun 16, 6:17 PM CDT | Tornado Warning | TSA | Haskell, Pittsburg | 43 min |
| Jun 16, 6:20 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 40 min |
| Jun 16, 6:23 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 52 min |
| Jun 16, 6:27 PM CDT | Tornado Warning | TSA | McIntosh, Muskogee | 48 min |
| Jun 16, 6:44 PM CDT | Tornado Warning | TSA | Haskell | 46 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.