Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 214, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 29, 1997, 8:08 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 52 min. 5 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 29, 1997, 8:08 PM CDT (01:08 UTC)
- Expired
- Jun 29, 1997, 9:00 PM CDT
- In force
- 52 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Osage County, OK, Pawnee County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 8:09 PM CDT | Thunderstorm Wind 52 | Pawhuska, OK | |
| Jun 29, 8:14 PM CDT | Thunderstorm Wind 52 | Pawhuska, OK | |
| Jun 29, 8:45 PM CDT | Thunderstorm Wind 61 | Bowring, OK | |
| Jun 29, 8:55 PM CDT | Thunderstorm Wind 70 | Bowring, OK | |
| Jun 29, 8:55 PM CDT | Thunderstorm Wind | Cleveland, 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 29, 5:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 1.1 hours before the alert went out and 159 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
- 2990 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1186 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 10.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 300108 RRA SVRTUL OKC113-117-300200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 808 PM CDT SUN JUN 29 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OKLAHOMA ...OSAGE COUNTY...PAWNEE COUNTY AT 805 PM WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 12 MILES EAST OF FORAKER...TO JUST WEST OF PAWHUSKA...TO FAIRFAX...TO RED ROCK. THE LINE WAS MOVING TO THE SOUTHEAST AT 35 MILES AN HOUR. HOMINY...PAWHUSKA...PAWNEE...AND MARAMEC ARE IN THE PATH OF THESE STORMS. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TOx RAPIDLY CHANGING WEATHER CONDITIONS. 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 29, 3:35 PM CDT, 4 hours 33 minutes earlier.
Area forecast discussion, Jun 29, 3:35 PM CDT, 4 hours 33 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT SUN JUN 29 1997
SHRA/TSRA CONTG OVR ERN PART OF FA WITH SLOWLY PASSING S/WV MOVG
ACRS THIS AFTN. MOST PRECIP HAS PUSHED OVR INTO AR...BUT OUTFLOW
EVIDENT ON SATL BACK INTO SE AND E-CNTL OK. MEANWHILE...REMNANTS
OF KS COMPLEX STILL MOVG EWRD ACRS ERN KS WITH WEAK BOUNDARY DOWN
INTO NRN OK THAT POPED A FEW ADDITIONAL SHRA/TSRA THRU THE AFTN.
WITH BOUNDARYS STILL PRESENT WL LEAVE SLGT CHC POPS GOING ACRS
THE AREA MAINLY FOR THIS EVNG. STILL SOME CONCERN FOR ORGANIZED
STMS DVLPNG OFF TO THE NORTH AGN TNGT THAT WOULD THEN DROP TWRD
THE AREA. IF COMPLEX DVLPS...XPCT STMS SHLD WKN AS THEY APPROACH.
WL KEEP SLGT CHC POPS GOING OVR THE NRN ZNS FOR MON FOR THIS
SCENARIO...OR PSBL OUTFLOW REACHING DOWN INTO FA. NEG FACTOR
WL BE INCRSG CAP.
OTHRWISE...UPR RDG WL BE BLDG INTO THE AREA WITH STRENGTHENING
CAP AND HOTTER TEMPS. NO POPS MENTIONED AFTER MON THRU THE
REMAINDER OF THE WEEK WITH TEMPS INTO THE 90S...MORE IN LINE
WITH WRMR FWC GUID NXT FEW DAYS.
PRELIM NUMBERS: TUL 72/93/75/95 22-- BVO 72/94/75/96 22--
FSM 70/92/72/95 21-- FYV 68/91/70/92 22--
...04... MLC 72/93/74/95 21-- IDB 69/92/70/94 21--
BYV 69/92/70/94 22--
.TUL...
OK...NONE.
AR...NONE.In the hours before
Special weather statement, Jun 29, 5:30 PM CDT, 2 hours 38 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-301200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TULSA OK 530 PM CDT SUN JUN 29 1997 A FEW SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS EASTERN OKLAHOMA TONIGHT. AN OUTFLOW BOUNDARY LEFT OVER FROM STORMS IN KANSAS EARLIER TODAY HAS TAKEN POSITION ALONG THE OKLAHOMA/KANSAS BORDER. IN ADDITION...THE ATMOSPHERE OVER NORTHEAST OKLAHOMA IS UNSTABLE...A WEAK UPPER LEVEL DISTURBANCE IS MOVING OVER THE AREA... AND THE WIND PROFILE...WHICH HAS BEEN ENHANCED BY THE PRESENCE OF THE OUTFLOW BOUNDARY AND THE UPPER-LEVEL DISTURBANCE...IS CONDUCIVE TO SUPERCELL FORMATION. AT 530 PM...SEVERE THUNDERSTORMS HAVE FORMED IN SOUTH-CENTRAL KANSAS. THESE STORMS ARE EXPECTED TO MOVE SLOWLY SOUTHEASTWARD ACROSS THE AREA THROUGH THE EVENING. THE LOSS OF DAYTIME HEATING AND A SLIGHT WARMING OF MID-LEVEL TEMPERATURES MAY RESULT IN A REDUCTION IN STORM INTENSITY AS THE EVENING WEARS ON. NEVERTHELESS...LARGE HAIL...DAMAGING WINDS...AND A FEW TORNADOES ARE STILL POSSIBLE IN ANY STORMS THAT PERPETUATE THROUGH THE EVENING. SPOTTER ACTIVATION IS RECOMMENDED IN NORTHEAST OKLAHOMA AT THIS TIME.
Special weather statement, Jun 29, 5:48 PM CDT, 2 hours 20 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-301200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TULSA OK 530 PM CDT SUN JUN 29 1997 A FEW SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS EASTERN OKLAHOMA TONIGHT. AN OUTFLOW BOUNDARY LEFT OVER FROM STORMS IN KANSAS EARLIER TODAY HAS TAKEN POSITION ALONG THE OKLAHOMA/KANSAS BORDER. IN ADDITION...THE ATMOSPHERE OVER NORTHEAST OKLAHOMA IS UNSTABLE...A WEAK UPPER LEVEL DISTURBANCE IS MOVING OVER THE AREA... AND THE WIND PROFILE...WHICH HAS BEEN ENHANCED BY THE PRESENCE OF THE OUTFLOW BOUNDARY AND THE UPPER-LEVEL DISTURBANCE...IS CONDUCIVE TO SUPERCELL FORMATION. AT 530 PM...SEVERE THUNDERSTORMS HAVE FORMED IN SOUTH-CENTRAL KANSAS. THESE STORMS ARE EXPECTED TO MOVE SLOWLY SOUTHEASTWARD ACROSS THE AREA THROUGH THE EVENING. THE LOSS OF DAYTIME HEATING AND A SLIGHT WARMING OF MID-LEVEL TEMPERATURES MAY RESULT IN A REDUCTION IN STORM INTENSITY AS THEz EVENING WEARS ON. NEVERTHELESS...LARGE HAIL...DAMAGING WINDS...AND A FEW TORNADOES ARE STILL POSSIBLE IN ANY STORMS THAT PERPETUATE THROUGH THE EVENING. SPOTTER ACTIVATION IS RECOMMENDED IN NORTHEAST OKLAHOMA AT THIS TIME.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:18 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 57 min |
| Jun 29, 8:36 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 54 min |
| Jun 29, 8:54 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 66 min |
| Jun 29, 8:54 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers | 66 min |
| Jun 29, 9:00 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 30 min |
| Jun 29, 9:29 PM CDT | Severe Thunderstorm Warning | TSA | Mayes, Wagoner | 61 min |
| Jun 29, 9:29 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 61 min |
| Jun 29, 11:38 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 52 min |
| Jun 30, 12:27 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Sequoyah | 63 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.