Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 137, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1997, 7:38 PM CDT for Osage County, Washington County, Oklahoma. It was in force for 52 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
- May 26, 1997, 7:38 PM CDT (00:38 UTC)
- Expired
- May 26, 1997, 8:30 PM CDT
- In force
- 52 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Osage County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 76 km from the middle of the area, began a volume at 00:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 26, 7:40 PM CDT | Hail 0.75 | Copan, 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 |
|---|---|---|---|
| May 26, 6:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 0.6 hours before the alert went out and 197 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
- 3123 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1331 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 14.6
The text
As transmitted, in the capitals the NWS used until 2016.
583 WUUS1 KTUL 270041 RRA SVRTUL OKC105-113-147-270130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 738 PM CDT MON MAY 26 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OKLAHOMA ...NORTHERN NOWATA COUNTY...NORTHEASTERN OSAGE COUNTY ...NORTHERN WASHINGTON COUNTY AT 7 35 PM A SEVERE THUNDERSTORM WAS LOCATED BETWEEN BIGHEART AND HULAH LAKE. MOVEMENT WAS TO THE EAST AT 20 MILES AN HOUR. ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEAR WANN. MOVEMENT WAS TO THE EAST AT 20 MILES AN HOUR. 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 TO 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 May 26, 3:37 PM CDT, 4 hours 1 minute earlier.
Area forecast discussion, May 26, 3:37 PM CDT, 4 hours 1 minute before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 330 PM CDT MON MAY 26 1997 MODELS IN RSNBL AGREEMENT AT MOVG SYS SLOWLY EAST AND OUT OF THE FCST AREA. UPPER SHRTWV SWINGS THRU TNGT AND SHD PROVIDE SUF UPR SUPPORT FOR STG TSTMS. PLENTY OF MSTR IN PLACE AND AMS QUITE UNSTABLE. XPC TSTMS TO DVLP OVER CNTRL OK AHD OF SFC SYS AND MOVE EWD DURG EVEN AND NGT. TSTMS WILL BE STG TO SVR AND PRODUCE PLENTY OF RAIN. ALTHO INDIVIDUAL STMS SHD MOVE AT MODERATE RATE...SOME TRAINING IS POSSIBLE SINCE THE SFC SYS WILL BE SLOW TO MOVE EWD. FOR THAT REASON...HAVE INCLUDED ALL BUT MCCURTAIN COUNTY IN A FLASH FLOOD WATCH FOR TNGT. THIS IS ALSO CONSISTENT WITH MANUAL HVY PCPN PROGS. SYSTEM SHD PUSH THRU THE ARE LATE TNGT BUT MAY LEAVE LINGERING RW/TRW IN EXTRM ERN ZONES IN THE EARLY MORNING. RMNDR OF UPR SYS SWINGS THRU TUE NIGHT AND WILL GIVE XTRM NERN OK AND XTRM NW AR A CHC OF SHWR ATTM. SFC AND UPR FLO NEVER REALLY BCMS ANTICYCLONIC THRU WED. SO GIVE THE SFC MSTR AND COOL TEMPS...XPC STRATOCU TO DVLP DURING THE DAYS AND PROVIDE MNLY PARTLY SUNNY CONDITIONS. NGM MOS LOOKS OKAY FOR TNGT BUT LOOKS TOO WARM LATER. ETA AND AVN BOTH SHOW MORE COOLING BHND SFC SYS. THIS SEEMS RSNBL...GIVEN CURRENT SFC TEMPS IN KS/NE ATTM. /02 TUL BB 066/079 057/075 055 511- FSM BB 068/085 060/078 056 621- MLC BB 068/085 058/078 056 511- BVO BB 063/076 054/074 050 4121 FYV BB 065/081 056/075 052 7321 IDB BB 070/087 062/082 059 421- BYV BB 065/081 056/075 052 7321 .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, 3 hours 48 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, 3 hours 23 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 | 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, 9:09 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.