Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 124, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 25, 1997, 8:28 AM CDT for Latimer County, Pittsburg County, Oklahoma. It was in force for 62 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 25, 1997, 8:28 AM CDT (13:28 UTC)
- Expired
- May 25, 1997, 9:30 AM CDT
- In force
- 62 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Latimer County, OK, Pittsburg County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 1.5 hours before the alert went out and 177 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
- 491 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 251328 RRA SVRTUL OKC077-121-251430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 828 AM CDT SUN MAY 25 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST OKLAHOMA ...LATIMER COUNTY...EASTERN PITTSBURG COUNTY AT 826 AM...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM 3 MILES WEST OF BLOCKER TO 3 MILES EAST OF MCALESTER TO 6 MILES SOUTHEAST OF THE TOWN OF PITTSBURG. MOVEMENT WAS EAST AT 30 MPH. WILBURTON...HARTSHORNE...AND HAILEYVILLE ARE IN THE PATH OF THIS STORM. WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS^ AND NEVER DRIVE ONTO A FLOODED ROAD. 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 25, 4:09 AM CDT, 4 hours 19 minutes earlier.
Area forecast discussion, May 25, 4:09 AM CDT, 4 hours 19 minutes before
FPUS3 KTUL 250907
AFDTUL
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
409 AM CDT SUN MAY 25 1997
SCTD TSRA CONT TO DVLP AND MOVE NE ACRS PARTS OF ERN OKLA EARLY
THIS MORN. MOST ACTIVITY FORMED ALG OUTFLO FROM CONVECTION WELL
WEST OF THE AREA LAST NITE. A STG/SVR CELL WAS IN CNTRL OKLA...
WHERE CONVERGENCE MAXIMIZED ALG OUTFLO BNDRY. WITH UNSTABLE AIR AND
NO CAP OVR FA...XPCT THIS ACTIVITY TO CONTINUE THIS MORN...ESPLY
OVR XTRM NW ARK AND NE CORNER OKLA.
FCST BECOMES DIFFICULT LATER TODAY INTO MEMORIAL DAY AS COMPLEX UPR
PATN EVOLVES ACRS CNTRL U.S. MODELS AGREE ON GENL DEVELOPMENTS IN
BRINGING ONE STG SHORTWV OUT INTO SRN KS THIS AFTN AND A CLOSED LOW
INTO WRN KS BY LATE MONDAY. HOWEVER...THERE ARE BIG DIFFERENCES IN
MODEL HANDLING OF SFC FEATURES...WITH ETA MODEL LOOKING MOST
REASONABLE WITH RESPECT TO SFC LO AND SFC BNDRIES.
SFC DRYLINE SHUD PUSH INTO CNTRL OKLA EARLY THIS AFTN...BEFORE
STALLING NEAR OR WEST OF A TUL/MLC LINE BY THIS EVE. NGM PUSHES SFC
DRYLINE TOO FAR EAST...ALTHO I AGREE THAT LO LVL MSTR LIKELY TO BE
SHALLOWED OUT AS LOW LVL WINDS VEER AND SUBSIDENCE BEHIND THE FIRST
WAVE DRIES THINGS OUT. SFC DRYLINE SHUD THEN GET ANOTHER EWD PUSH
ON MONDAY AS LO LVL MSTR MIXES OUT...WITH DRYLINE XPCTD TO BE ACRS
EXTRM ERN OKLA BY MON EVE.
XPCT ROUND OF SVR WEATHER ACRS ERN OKLA/NW ARK LATE THIS MORN INTO
THIS EVE AS FIRST WAVE APCHS AND SFC DRYLINE DVLPS INTO CNTRL OKLA.
STG/SVR STORMS LIKELY TO DEVELOP ALG/AHEAD OF DRYLINE...WITH STGST
STORMS LIKELY TO MOVE EAST OF DRYLINE THIS AFTN OR THIS EVE. WL GO
WITH LIKELY POPS ACRS MOST OF ERN OKLA TODAY... WITH HIEST POPS
SPREADING INTO NW ARK TONITE. WL CONT WITH A SVR THREAT INTO
MONDAY...ESPLY ALG/AHD OF EXPCTD DRYLINE POSN ACRS NW ARK AND EXTRM
ERN OKLA.
GOOD CHC OF SVR WEATHER OVR ENTIRE FA TDA AND EARLY TONITE AS
ADVERTISED IN SPC MODT RISK AREA. STG INSTBY AND INCRG SHEAR WL
LEAD TO A THREAT OF SVR TSRA ALL AREAS...BUT BIGGEST THREAT OF
SUPERCELL TORNADOES APPRS TO BE ACRS MLC/FSM/MKO CORRIDOR THIS AFTN
AND INTO FYV AREA LATE THIS AFTN/EARLY THIS EVE.
/9
TUL 84/66/90/61 7432 MLC 86/66/92/63 7432
BVO 83/64/90/60 7532 IDB 86/67/92/65 4432
FYV 84/63/88/57 4743 FSM 86/63/90/63 4642
.TUL...
OK...NONE.
AR...NONE.In the hours before
Special weather statement, May 25, 6:00 AM CDT, 2 hours 28 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-261200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT SUN MAY 25 1997 NUMEROUS SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA TODAY...AND INTO NORTHWEST ARKANSAS BY THE EVENING HOURS TONIGHT. SOUTHERLY WINDS IN THE LOWEST LAYERS OF THE ATMOSPHERE CONTINUE TO BRING ABUNDANT MOISTURE NORTHWARD INTO EASTERN OKLAHOMA AND NORTHWEST ARKANSAS TODAY...WITH INCREASING UPPER LEVEL ATMOSPHERIC SUPPORT TAKING SHAPE FOR AN INCREASED THREAT OF SEVERE THUNDERSTORMS THROUGH TONIGHT ACROSS THE REGION. SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE GRADUALLY EASTWARD THROUGH EASTERN OKLAHOMA AND INTO NORTHWEST ARKANSAS THIS MORNING ALONG NUMEROUS OUTFLOW BOUNDARIES SPAWNED BY OVERNIGHT THUNDERSTORMS ACROSS WESTERN OKLAHOMA. ATMOSPHERIC INSTABILITY WILL REMAIN FAIRLY LIMITED ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS MORNING. HOWEVER...WITH THE PRESENCE OF AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE REGION...THERE MAY BE ENOUGH SUPPORT FOR A FEW SEVERE THUNDERSTORMS IN EASTERN OKLAHOMA THROUGH MID DAY. THE PRIMARY THREAT WITH THESE STORMS WILL BE LARGE HAIL AND DAMAGING DOWNBURST WINDS. BY THE EARLY AFTERNOON HOURS...A SURFACE DRYLINE IS FORECAST TO MOVE INTO CENTRAL OKLAHOMA. THIS DRYLINE WILL HELP FOCUS ORGANIZED SEVERE THUNDERSTORMS ACROSS WESTERN AND CENTRAL OKLAHOMA AT THAT TIME. THESE STORMS ARE EXPECTED TO MOVE QUICKLY INTO EASTERN OKLAHOMA DURING THE MID TO LATE AFTERNOON HOURS AS DAYTIME HEATING MAKES THE ATMOSPHERE VERY UNSTABLE. THE WIND PROFILES IN THE LOWEST LAYERS OF THE ATMOSPHERE ARE FORECAST TO BECOME INCREASINGLY FAVORABLE FOR THE DEVELOPMENT OF SUPERCELL THUNDERSTORMS BY MID AFTERNOON. THIS MEANS THE THREAT FOR TORNADO DEVELOPMENT WILL ALSO BE ON THE INCREASE AS THE STORMS PROPAGATE EASTWARD INTO THE REGION. BY THE EARLY EVENING HOURS...THE DRYLINE IS EXPECTED TO BE JUST WEST OF A TULSA...MCALESTER LINE WITH NUMEROUS STRONG TO SEVERE THUNDERSTORMS EXPECTED ACROSS EASTERN OKLAHOMA ALONG AND EAST OF THE DRYLINE. THESE STORMS WILL QUICKLY MOVE INTO NORTHWEST ARKANSAS EARLY TONIGHT BRINGING AN INCREASED THREAT OF SEVERE WEATHER TO THAT REGION. AT THIS TIME...IT APPEARS THAT EASTERN OKLAHOMA AND NORTHWEST ARKANSAS COULD SEE A PARTICULARLY DANGEROUS WEATHER SETUP LATER TODAY AND INTO TONIGHT. PERSONS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS ARE URGED TO REVIEW SEVERE WEATHER SAFETY RULES. STAY TUNED TO LOCAL TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS...UPDATED FORECASTS...AS WELL AS ANY WATCHES AND WARNINGS WHICH MAY FOLLOW. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD CLOSELY MONITOR THE WEATHER PATTERN TODAY...AND MAINTAIN A HIGH STATE OF READINESS. AN UPDATED THUNDERSTORM OUTLOOK WILL BE ISSUED AROUND 1 PM CDT.
Special weather statement, May 25, 6:02 AM CDT, 2 hours 26 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-261200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT SUN MAY 25 1997 NUMEROUS SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA TODAY...AND INTO NORTHWEST ARKANSAS BY THE EVENING HOURS TONIGHT. SOUTHERLY WINDS IN THE LOWEST LAYERS OF THE ATMOSPHERE CONTINUE TO BRING ABUNDANT MOISTURE NORTHWARD INTO EASTERN OKLAHOMA AND NORTHWEST ARKANSAS TODAY...WITH INCREASING UPPER LEVEL ATMOSPHERIC SUPPORT TAKING SHAPE FOR AN INCREASED THREAT OF SEVERE THUNDERSTORMS THROUGH TONIGHT ACROSS THE REGION. SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE GRADUALLY EASTWARD THROUGH EASTERN OKLAHOMA AND INTO NORTHWEST ARKANSAS THIS MORNING ALONG NUMEROUS OUTFLOW BOUNDARIES SPAWNED BY OVERNIGHT THUNDERSTORMS ACROSS WESTERN OKLAHOMA. ATMOSPHERIC INSTABILITY WILL REMAIN FAIRLY LIMITED ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS MORNING. HOWEVER...WITH THE PRESENCE OF AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE REGION...THERE MAY BE ENOUGH SUPPORT FOR A FEW SEVERE THUNDERSTORMS IN EASTERN OKLAHOMA THROUGH MID DAY. THE PRIMARY THREAT WITH THESE STORMS WILL BE LARGE HAIL AND DAMAGING DOWNBURST WINDS. BY THE EARLY AFTERNOON HOURS...A SURFACE DRYLINE IS FORECAST TO MOVE INTO CENTRAL OKLAHOMA. THIS DRYLINE WILL HELP FOCUS ORGANIZED SEVERE THUNDERSTORMS ACROSS WESTERN AND CENTRAL OKLAHOMA AT THAT TIME. THESE STORMS ARE EXPECTED TO MOVE QUICKLY INTO EASTERN OKLAHOMA DURING THE MID TO LATE AFTERNOON HOURS AS DAYTIME HEATING MAKES THE ATMOSPHERE VERY UNSTABLE. THE WIND PROFILES IN THE LOWEST LAYERS OF THE ATMOSPHERE ARE FORECAST TO BECOME INCREASINGLY FAVORABLE FOR THE DEVELOPMENT OF SUPERCELL THUNDERSTORMS BY MID AFTERNOON. THIS MEANS THE THREAT FOR TORNADO DEVELOPMENT WILL ALSO BE ON THE INCREASE AS THE STORMS PROPAGATE EASTWARD INTO THE REGION. BY THE EARLY EVENING HOURS...THE DRYLINE IS EXPECTED TO BE JUST WEST OF A TULSA...MCALESTER LINE WITH NUMEROUS STRONG TO SEVERE THUNDERSTORMS EXPECTED ACROSS EASTERN OKLAHOMA ALONG AND EAST OF THE DRYLINE. THESE STORMS WILL QUICKLY MOVE INTO NORTHWEST ARKANSAS EARLY TONIGHT BRINGING AN INCREASED THREAT OF SEVERE WEATHER TO THAT REGION. AT THIS TIME...IT APPEARS THAT EASTERN OKLAHOMA AND NORTHWEST ARKANSAS COULD SEE A PARTICULARLY DANGEROUS WEATHER SETUP LATER TODAY AND INTO TONIGHT. PERSONS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS ARE URGED TO REVIEW SEVERE WEATHER SAFETY RULES. STAY TUNED TO LOCAL TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS...UPDATED FORECASTS...AS WELL AS ANY WATCHES AND WARNINGS WHICH MAY FOLLOW. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS SHOULD CLOSELY MONITOR THE WEATHER PATTERN TODAY...AND MAINTAIN A HIGH STATE OF READINESS. AN UPDATED THUNDERSTORM OUTLOOK WILL BE ISSUED AROUND 1 PM CDT.
Special weather statement, May 25, 7:17 AM CDT, 1 hour 11 minutes before
OKZ072-076-ARZ001-002-010-011-019-029-251600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 718 AM CDT SUN MAY 25 1997 ...PATCHY DENSE FOG OVER NORTHWEST ARKANSAS AND EXTREME EASTERN OKLAHOMA... LIGHT WINDS AND HIGH HUMIDITIES RESULTED IN AREAS OF DENSE FOG ACROSS PARTS OF NORTHWEST ARKANSAS AND EXTREME EASTERN OKLAHOMA EARLY THIS MORNING. AT 700 AM...VISIBILITIES AS LOW AS 1/4 MILE WERE REPORTED IN THE FORT SMITH AREA. THE FOG WAS NOT QUITE AS THICK IN THE FAYETTEVILLE AREA. AREAS OF DENSE FOG WILL CONTINUE UNTIL ABOUT MID MORNING...WITH VISIBILITIES IMPROVING RAPIDLY AFTER 900 AM. DRIVERS ARE URGED TO USE CAUTION WHEN DRIVING THROUGH AREAS OF FOG. VISIBILITIES MAY "BE REDUCED TO NEAR ZERO AT TIMES...ESPECIALLY NEAR INTERSTATE 40 AROUND SALLISAW AND FORT SMITH.
Special weather statement, May 25, 7:18 AM CDT, 1 hour 10 minutes before
OKZ072-076-ARZ001-002-010-011-019-029-251600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 718 AM CDT SUN MAY 25 1997 ...PATCHY DENSE FOG OVER NORTHWEST ARKANSAS AND EXTREME EASTERN OKLAHOMA... LIGHT WINDS AND HIGH HUMIDITIES RESULTED IN AREAS OF DENSE FOG ACROSS PARTS OF NORTHWEST ARKANSAS AND EXTREME EASTERN OKLAHOMA EARLY THIS MORNING. AT 700 AM...VISIBILITIES AS LOW AS 1/4 MILE WERE REPORTED IN THE FORT SMITH AREA. THE FOG WAS NOT QUITE AS THICK IN THE FAYETTEVILLE AREA. AREAS OF DENSE FOG WILL CONTINUE UNTIL ABOUT MID MORNING...WITH VISIBILITIES IMPROVING RAPIDLY AFTER 900 AM. DRIVERS ARE URGED TO USE CAUTION WHEN DRIVING THROUGH AREAS OF FOG. VISIBILITIES MAY BE REDUCED TO NEAR ZERO AT TIMES...ESPECIALLY NEAR INTERSTATE 40 AROUND SALLISAW AND FORT SMITH.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:45 AM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 45 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.