Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 146, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1997, 9:09 PM CDT for Sequoyah County, Oklahoma. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 26, 1997, 9:09 PM CDT (02:09 UTC)
- Expired
- May 26, 1997, 10:15 PM CDT
- In force
- 66 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Sequoyah County, OK
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 26, 6:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.2 hours before the alert went out and 178 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
- 2590 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1226 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 17.2
The text
As transmitted, in the capitals the NWS used until 2016.
116 WUUS1 KTUL 270213 RRA SVRTUL OKC001-021-135-041-270315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 909 PM CDT MON MAY 26 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL OKLAHOMA ...ADAIR COUNTY...EASTERN CHEROKEE COUNTY ...NORTHERN SEQUOYAH COUNTY IN NORTHEAST OKLAHOMA ...SOUTHERN DELAWARE COUNTY AT 907 PM THE LEADING EDGE OF A LINE OF SEVERE THUNDERSTORMS WAS LOCATED FROM JUST SOUTH OF JAY...TO KANSAS...TO PROCTOR...TO COOKSON. THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS. 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 TO RAPIDLY CHANGING WEATHER CONDITIONS.
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 May 26, 9:09 PM CDT, 0 minutes earlier.
Area forecast discussion, May 26, 9:09 PM CDT, 0 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 905 PM CDT MON MAY 26 1997 RATHER ACTIVE WX ACRS FA TNGT AND LOOKS LIKE IT WL CONT FOR A WHILE BFR HEADING FURTHER E. CRNTLY APRS WK SFC LO LOCATED OVR SRN OSAGE CNTY W/BNDRY XTNDG SSW FM THERE. PROFILERS SHOW H85 LO BACK IN NW OK. TSRA HV MVD EWD OFF OF BNDRY BUT THERE HAS BEEN SOME REDEVELOPMENT BEHIND INIT STRMS ACRS NE OK. OBVIOUSLY SVR WX AND HVY RAINFALL REMAIN A THREAT. SO WL LVL ZFP AS IS FOR NOW. AS MCS CONTS EWD WL PROB UPDATE LATER AND ADJ POPS/FFA. 07 .TUL... OK...FLASH FLOOD WATCH TNGT ZONES 54>76. AR...FLASH FLOOD WATCH TNGT ZONES 1/2/10/11/19/29.
In the hours before
Local storm report, May 26, 3:50 PM CDT, 5 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
350 PM CDT MON MAY 26 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0625 PM TULSA OK 1.25 INCH HAIL
05/26/97 TULSA REPORTED AT 81ST AND
RIVERSIDE.
0730 PM 1 SE GLENPOOL OK 2 INCH HAIL
05/26/97 TULSA
0754 PM PIERCE OK 1 INCH HAIL
05/26/97 MCINTOSH
0821 PM RAIFORD OK 1 INCH HAIL
05/26/97 MCINTOSH
0829 PM WAGONER OK 85 MPH TSTM GUST
05/26/97 WAGONER
0830 PM BOYNTON OK 1.75 INCH HAIL
05/26/97 MUSKOGEE
0835 PM PICHER OK 80 MPH TSTM GUST
05/26/97 OTTAWA
0837 PM PICHER OK 1.75 INCH HAIL
05/26/97 OTTAWA
0845 PM 3 W MUSKOGEE OK WIND DAMAGE
05/26/97 MUSKOGEE SEVERAL TREES DOWN.
0850 PM 6 W VINITA OK 65 MPH TSTM GUST
05/26/97 CRAIG
0946 PM 3 NE GROVE OK 60 MPH TSTM GUST
05/26/97 DELAWARE
1020 PM 6 W MC ALESTER OK 1 INCH HAIL
05/26/97 PITTSBURG
1030 PM TALIHINA OK WIND DAMAGE
05/26/97 LE FLORE TREE BLOWN DOWN.Local storm report, May 26, 4:15 PM CDT, 4 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
415 PM CDT MON MAY 26 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0750 PM TULSA OK FLOODING
05/26/97 TULSA WATER FROM LITTLE HAIKEY
CREEK FLOWING OVER 91ST
BETWEEN MINGO AND
MEMORIAL.
0945 PM MIAMI OK FLOODING
05/26/97 OTTAWA STREET FLOODING REPORTED
BY MIAMI PD.
0945 PM FAIRLAND OK WIND DAMAGE
05/26/97 OTTAWA OUTBUILDINGS DAMAGED.
TREES AND POWER LINES
DOWN.
1000 PM WILBURTON OK WIND DAMAGE
05/26/97 LATIMER TREES DOWN JUST WEST OF
WILBURTON
1000 PM WILBURTON OK .88 INCH HAIL
05/26/97 LATIMERThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 7:03 PM CDT | Tornado Warning | TSA | Okmulgee | 27 min |
| May 26, 7:15 PM CDT | Tornado Warning | TSA | Tulsa | 45 min |
| May 26, 7:18 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 42 min |
| May 26, 7:20 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 55 min |
| May 26, 7:29 PM CDT | Flash Flood Warning | TSA | Tulsa | 3 hr |
| May 26, 7:31 PM CDT | Tornado Warning | TSA | Okmulgee | 59 min |
| May 26, 7:36 PM CDT | Tornado Warning | TSA | Wagoner | 54 min |
| May 26, 7:38 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 52 min |
| May 26, 7:38 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 52 min |
| May 26, 7:47 PM CDT | Tornado Warning | TSA | Muskogee | 43 min |
| May 26, 7:49 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 56 min |
| May 26, 7:57 PM CDT | Tornado Warning | TSA | McIntosh | 48 min |
| May 26, 8:09 PM CDT | Severe Thunderstorm Warning | TSA | Nowata | 51 min |
| May 26, 8:15 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 45 min |
| May 26, 8:21 PM CDT | Tornado Warning | TSA | Muskogee | 54 min |
| May 26, 8:23 PM CDT | Tornado Warning | TSA | Pittsburg | 52 min |
| May 26, 8:35 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Wagoner | 40 min |
| May 26, 8:38 PM CDT | Tornado Warning | TSA | Ottawa | 52 min |
| May 26, 8:47 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 28 min |
| May 26, 8:55 PM CDT | Tornado Warning | TSA | Craig | 50 min |
| May 26, 9:05 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 55 min |
| May 26, 9:09 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Delaware | 66 min |
| May 26, 9:15 PM CDT | Tornado Warning | TSA | Haskell, Pittsburg | 60 min |
| May 26, 9:22 PM CDT | Flash Flood Warning | TSA | Ottawa | 2 hr |
| May 26, 9:31 PM CDT | Tornado Warning | TSA | Latimer, Pittsburg | 59 min |
| May 26, 9:57 PM CDT | Tornado Warning | TSA | Latimer | 63 min |
| May 26, 10:26 PM CDT | Tornado Warning | TSA | LeFlore | 49 min |
| May 26, 10:31 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 29 min |
| May 26, 10:37 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 53 min |
| May 26, 11:15 PM CDT | Tornado Warning | TSA | LeFlore | 30 min |
| May 26, 11:39 PM CDT | Tornado Warning | TSA | LeFlore | 36 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; the sounding from the Mesonet's radiosonde archive.