Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 148, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1997, 10:31 PM CDT for Pittsburg County, Oklahoma. It was in force for 29 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, 10:31 PM CDT (03:31 UTC)
- Expired
- May 26, 1997, 11:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Pittsburg 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
Norman, OK (KOUN), launched 00:00Z, 3.5 hours before the alert went out and 154 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.
559 WUUS1 KTUL 270334 RRA SVRTUL OKC121-270400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1031 PM CDT MON MAY 26 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST OKLAHOMA ...EASTERN PITTSBURG COUNTY AT 1030 PM...RADAR CONTINUED TO INDICATE THE BACK EDGE OF A SEVERE THUNDERSTORM OVER EASTERN PITTSBURG COUNTY. THE STRONGEST PART OF THIS STORM WAS LOCATED 2 MILES SOUTH OF HARTSHORNE. THE STORM CONTINUED TO MOVE EAST AT 10 MILES AN HOUR. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 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.
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, 1 hour 22 minutes earlier.
Area forecast discussion, May 26, 9:09 PM CDT, 1 hour 22 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.
The 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, 9:09 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, 10:37 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.