Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 222, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 30, 1997, 12:27 AM CDT for Haskell County, Sequoyah County, Oklahoma. It was in force for 63 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 30, 1997, 12:27 AM CDT (05:27 UTC)
- Expired
- Jun 30, 1997, 1:30 AM CDT
- In force
- 63 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Haskell County, OK, Sequoyah County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 30, 12:40 AM CDT | Thunderstorm Wind | Kinta, OK | A severe thunderstorm produced strong winds which downed numerous large tree limbs in Kinta. |
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
Springfield, MO (KSGF), launched 00:00Z, 5.5 hours before the alert went out and 199 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
- 555 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 998 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 300525 RRA SVRTUL OKC135-061-300630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1227 AM CDT MON JUN 30 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL OKLAHOMA ...SEQUOYAH COUNTY IN SOUTHEAST OKLAHOMA ...HASKELL COUNTY AT 1225 AM...NWS RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM GORE TO JUST WEST OF ENTERPRISE MOVING SOUTHEAST AT 30 MPH. VIAN...STIGLER...AND KINTA ARE IN THE PATH OF THESE STORMS. DAMAGING WINDS WITH GUSTS UP TO 65 MPH WILL OCCUR WITH THIS LINE OF THUNDERSTORMS. IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR HOME. STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. IF YOU ARE IN A MOBILE HOME YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY.
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 30, 12:09 AM CDT, 18 minutes earlier.
Area forecast discussion, Jun 30, 12:09 AM CDT, 18 minutes before
FPUS3 KTUL 300509 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1209 AM CDT MON JUN 30 1997 WL MAKE QUICK UPDATE TO ZONES TO ADJUST POPS AHEAD OF ADVANCING LINE OF +TSRA. WE MENTIONED SOME PSBLY SEVERE JUST AHEAD OF LINE ACRS WCNTRL AR AND SERN OK...THINK LINE WL START TO DIMINISH IN INTENSITY NEXT COUPLE OF HRS SO LIKELY/GOOD CHC POPS FAR SERN ZONE. ENTIRE COMPLEX SHOWING WARMING CLOUD TOPS ON SATELLITE LOOPS LENDING TO NOTION OF GRDL DECREASE IN INTENSITY ON LEADING EDGE. WATCHING ADDITIONAL CONVECTION ACRS SCNTRL KS ATTM...CATEGORICAL POPS TO CONT FIRST PD ACRS NRN ZONES. /14 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, Jun 29, 10:49 PM CDT, 1 hour 38 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1050 PM CDT SUN JUN 29 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM 4W COPA6N OK 65 MPH TSTM GUST
06/29/97 WASHINGTON
0845 PM HULAH DAM OK 70 MPH TSTM GUST
06/29/97 OSAGE
0855 PM HULAH DAM OK 80 MPH TSTM GUST
06/29/97 OSAGELocal storm report, Jun 29, 10:50 PM CDT, 1 hour 37 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1050 PM CDT SUN JUN 29 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM 4W COPAN OK 65 MPH TSTM GUST
06/29/97 WASHINGTON
0845 PM HULAH DAM OK 70 MPH TSTM GUST
06/29/97 OSAGE
0855 PM HULAH DAM OK 80 MPH TSTM GUST
06/29/97 OSAGELocal storm report, Jun 29, 10:51 PM CDT, 1 hour 36 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1051 PM CDT SUN JUN 29 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0850 PM 5NW BARNSDALL OK WIND DAMAGE
06/29/97 OSAGE TREE LIMBS DOWN
REPORTED BY CHANNEL 6
METEOROLOGIST
0855 PM AVANT OK WIND DAMAGE
06/29/97 OSAGE 4-5 INCH TREE LIMBS DOWN
REPORTED BY CHANNEL 6
METEOROLOGISTLocal storm report, Jun 29, 10:56 PM CDT, 1 hour 31 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1051 PM CDT SUN JUN 29 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0850 PM 5NW BARNSDALL OK WIND DAMAGE
06/29/97 OSAGE TREE LIMBS DOWN
REPORTED BY CHANNEL 6
METEOROLOGIST
0855 PM AVANT ^ OK WIND DAMAGE
06/29/97 OSAGE 4-5 INCH TREE LIMBS DOWN
REPORTED BY CHANNEL 6
METEOROLOGISTSpecial weather statement, Jun 29, 11:27 PM CDT, 1 hour before
OKZ054-055-056-057-058-059-060-061-062-063-064-065-066-067-068- 069-070-071-300500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1128 PM CDT SUN JUN 29 1997 ...TORNADO WATCH NUMBER 540 HAS EXPIRED FOR EASTERN OKLAHOMA... TORNADO WATCH NUMBER 540 HAS EXPIRED FOR EASTERN OKLAHOMA. THE THUNDERSTORMS HAVE WEAKENED AND ARE NOT EXPECTED TO PRODUCE ANY MORE ORGANIZED SEVERE WEATHER. HOWEVER...AREAS OF HEAVY RAIN AND GUSTY WINDS WILL CONTINUE ALONG THE LINE OF THUNDERSTORMS...WELL PAST MIDNIGHT. AT 1120 PM...THE LINE OF THUNDERSTORMS EXTENDED FROM BENTON COUNTY ARKANSAS TO ADAIR COUNTY OKLAHOMA AND ON WESTWARD ACROSS MUSKOGEE... OKMULGEE...AND OKFUSKEE COUNTIES. THE LINE WAS MOVING SOUTH AND EAST AT ABOUT 20 TO 30 MPH. SHOWERS AND A FEW THUNDERSTORMS CONTINUED NORTH OF THE LINE...ALL THE WAY TO THE KANSAS STATE LINE. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Jun 29, 11:28 PM CDT, 59 minutes before
OKZ054-055-056-057-058-059-060-061-062-063-064-065-066-067-068- 069-070-071-300500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1128 PM CDT SUN JUN 29 1997 ...TORNADO WATCH NUMBER 540 HAS EXPIRED FOR EASTERN OKLAHOMA... TORNADO WATCH NUMBER 540 HAS EXPIRED FOR EASTERN OKLAHOMA. THE THUNDERSTORMS HAVE WEAKENED AND ARE NOT EXPECTED TO PRODUCE ANY MORE ORGANIZED SEVERE WEATHER. HOWEVER...AREAS OF HEAVY RAIN AND GUSTY WINDS WILL CONTINUE ALONG THE LINE OF THUNDERSTORMS...WELL PAST MIDNIGHT. AT 1120 PM...THE LINE OF THUNDERSTORMS EXTENDED FROM BENTON COUNTY ARKANSAS TO ADAIR COUNTY OKLAHOMA AND ON WESTWARD ACROSS MUSKOGEE... OKMULGEE...AND OKFUSKEE COUNTIES. THE LINE WAS MOVING SOUTH AND EAST AT ABOUT 20 TO 30 MPH. SHOWERS AND A FEW THUNDERSTORMS CONTINUED NORTH OF THE LINE...ALL THE WAY TO THE KANSAS STATE LINE. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
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, 8:08 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 52 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 |
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.