Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 282, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 17, 1997, 8:57 PM CDT for Creek County, Oklahoma. It was in force for 48 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, 8:57 PM CDT (01:57 UTC)
- Expired
- Jul 17, 1997, 9:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Creek County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 9:15 PM CDT | Hail 0.88 | Shamrock, OK | |
| Jul 17, 9:20 PM CDT | Thunderstorm Wind | Milfay, 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, 2.0 hours before the alert went out and 120 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 180159 RRA SVRTUL OKC037-180245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 857 PM CDT THU JUL 17 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OKLAHOMA ...CREEK COUNTY AT 857 PM...NWS RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM WESTPORT TO 5 MILES SOUTH OF DRUMRIGHT. THE LINE WAS MOVING SOUTHEAST AT 15 MPH. OLIVE AND HEYBURN LAKE STATE PARK ARE IN THE PATH OF THIS LINE OF STORMS. WIND GUSTS TO 60 MPH WERE REPORTED BY THE DRUMRIGHT POLICE DEPARTMENT AT 850 PM. DAMAGING WINDS WITH GUSTS UP TO 70 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 SHOUL4D MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY. 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 17, 3:42 PM CDT, 5 hours 15 minutes earlier.
Area forecast discussion, Jul 17, 3:42 PM CDT, 5 hours 15 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 340 PM CDT THU JUL 17 1997 UPPER LOW OVER OSAGE COUNTY CONTINUES TO FOCUS CONVECTION OVER WATER-LOGGED NWRN ZONES...MEANWHILE OTHER STRONG CONVECTION HAS FIRED UP ALONG OUTFLOW BOUNDARY IN OKFUSKEE AND OKMULGEE COUNTIES. FEEL THAT UPPER-LOW WILL BE THE MAJOR PLAYER IN THE PRECIP GAME OVER NEXT 24 HOURS. WILL GO WITH ETA/AVN MOVEMENT OF THIS FEATURE AND ASSOCIATED PRECIP. BOTH OF THESE MODELS SLIDE THE LOW SLOWLY WEST OR SOUTHWEST OVER THE NEXT 36 HOURS AS UPPER RIDGE WEAKENS WITH THE APPROACH OF T.S. DANNY. WILL EXTEND/EXPAND FFA FROM OSAGE TO OKFUSKEE COUNTY FOR TONIGHT AS UPPER-LOW MOVES SLOWLY SOUTHWESTWARD NEAR THAT AREA. EACH OF THESE COUNTIES HAS ALREADY HAD AT LEAST LOCALLY HEAVY RAIN TODAY...WITH WIDESPREAD HEAVY RAIN OVER OSAGE AND PAWNEE COUNTIES. FURTHER EAST AND SOUTH EXPECT THAT WIDELY SCATTERED SHRA/TSRA WILL DISSIPATE EARLY THIS EVENING. WILL GET LAST LOOK AT RADAR BEFORE ADDING EVENING POPS ACROSS THESE AREAS. WILL LIKELY SEE SOME REMNANT SHRA/TSRA OVER WATCH AREA INTO THE MORNING HOURS TOMORROW...BEFORE IT MOVES COMPLETELY OUT OF THE AREA. THEREFORE WILL LEAVE CHANCE POPS IN WRN ZONES TOMORROW WITH WDLY SCT CONVECTION EXPECTED AGAIN TOMORROW AFTERNOON OVER ENTIRE FA. THE APPROACH OF T.S. DANNY TO GULF COAST MAY HELP SUPPRESS THIS DIURNAL ACTIVITY ON SATURDAY...BUT WITH WEAK CAP AND SOME INSTABILITY WILL LEAVE SLT CHC IN FOR ENTIRE AREA ON SAT. AS FOR TEMPS FWC/FAN ARE IN VERY GOOD AGREEMENT...BUT NEITHER ONE OF THEM THINK IT WILL RAIN. ONLY DEVIATION FROM MOS TEMPS WILL BE TO COOL THINGS OFF WHERE RAIN IS EXPECTED. ...19... ...:PRELIM NUMBERS... TUL 72/91 74/93 4412 FSM 72/95 70/94 1212 MLC 71/93 72/93 3312 BVO 68/90 71/94 5412 FYV 67/91 68/91 1212 IDB 69/95 69/94 1212 BYV 66/92 67/92 1212 .TUL... OK...FFA TONIGHT ZNS 54/59/64/65. AR...NONE.
In the hours before
Local storm report, Jul 17, 8:19 PM CDT, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
819 PM CDT THU JUL 17 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 PM OKMULGEE OK 65 MPH TSTM GUST
07/17/97 OKMULGEE
0348 PM OKMULGEE OK 75 MPH TSTM GUST
07/17/97 OKMULGEE
0448 PM 8 SW MC ALESTER OK .75 INCH HAIL
07/17/97 PITTSBURG AT ARMY AMMUNITION PLANT
0506 PM SHIDLER OK FLOODING
07/17/97 OSAGE 2 FEET OF STANDING WATER
IN SOME PARTS OF SHIDLER
0540 PM BARLING AR .75 INCH HAIL
07/17/97 SEBASTIAN
0543 PM SHIDLER OK .75 INCH HAIL
07/17/97 OSAGE
0559 PM VAN BUREN AR .75 INCH HAIL
07/17/97 CRAWFORD SOUTH SIDE OF TOWN
0559 PM VAN BUREN AR 75 MPH TSTM GUST
07/17/97 CRAWFORD TREES DOWN ON SOUTH SIDE
OF TOWN
0612 PM SHIDLER OK 1 INCH HAIL
07/17/97 OSAGE
0715 PM 3 NE PAWNEE OK 72 MPH TSTM GUST
07/17/97 PAWNEE AT MESONET SITE BETWEEN
715 AND 730 PM
0720 PM FAIRFAX OK FLOODING
07/17/97 OSAGE STATE HIGHWAY 18 UNDER
WATER NEAR FAIRFAX
0729 PM FAIRFAX OK 80 MPH TSTM GUST
07/17/97 OSAGE TREES DOWNED
0735 PM 3 NE PAWNEE OK 83 MPH TSTM GUST
07/17/97 PAWNEE AT MESONET SITE
0815 PM JENNINGS OK 80 MPH TSTM GUST
07/17/97 PAWNEELocal storm report, Jul 17, 8:20 PM CDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
819 PM CDT THU JUL 17 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 PM OKMULGEE OK 65 MPH TSTM GUST
07/17/97 OKMULGEE
0348 PM OKMULGEE OK 75 MPH TSTM GUST
07/17/97 OKMULGEE
0448 PM 8 SW MC ALESTER OK .75 INCH HAIL
07/17/97 PITTSBURG AT ARMY AMMUNITION PLANT
0506 PM SHIDLER OK FLOODING
07/17/97 OSAGE 2 FEET OF STANDING WATER
IN SOME PARTS OF SHIDLER
0540 PM BARLING AR .75 INCH HAIL
07/17/97 SEBASTIAN
0543 PM SHIDLER OK .75 INCH HAIL
07/17/97 OSAGE
0559 PM VAN BUREN AR .75 INCH HAIL
07/17/97 CRAWFORD SOUTH SIDE OF TOWN
0559 PM VAN BUREN AR 75 MPH TSTM GUST
07/17/97 CRAWFORD TREES DOWN ON SOUTH SIDE
OF TOWN
0612 PM SHIDLER OK 1 INCH HAIL
07/17/97 OSAGE
0715 PM 3 NE PAWNEE OK 72 MPH TSTM GUST
07/17/97 PAWNEE AT MESONET SITE BETWEEN
715 AND 730 PM
0720 PM FAIRFAX OK FLOODING
07/17/97 OSAGE STATE HIGHWAY 18 UNDER
WATER NEAR FAIRFAX
0729 PM FAIRFAX OK 80 MPH TSTM GUST
07/17/97 OSAGE TREES DOWNED
0735 PM 3 NE PAWNEE OK 83 MPH TSTM GUST
07/17/97 PAWNEE AT MESONET SITE
0815 PM JENNINGS OK 80 MPH TSTM GUST
07/17/97 PAWNEEThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:07 PM CDT | Tornado Warning | TSA | Osage | 38 min |
| 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, 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
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.