Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 143, NWS Tulsa, OK

May 17, 1995Delaware County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 17, 1995, 7:04 PM CDT for Delaware County, Oklahoma. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
May 17, 1995, 7:04 PM CDT (00:04 UTC)
Expired
May 17, 1995, 7:45 PM CDT
In force
41 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Delaware County, OK

The radar

The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 00:08 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.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.1 hours before the alert went out and 269 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1995-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1995-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3409 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 17, 2:56 PM CDT, 4 hours 8 minutes earlier.

Area forecast discussion, May 17, 2:56 PM CDT, 4 hours 8 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
250 PM CDT WED MAY 17 1995

SATL PICS INDCT CLRG OVR A LRG PART OF SWRN OK.  XPCT TSTMS TO
DVLP AND INTNSFY RPDLY AS THERMAL GRAD TIGHTENS AND UPR SYS CONTS
TO APRCH.  SVR WX THREAT WELL DISCD IN SELS OTLK AND WL NOT
ELABORATE.  HVY RAINFALL THREAT ACRS XTRM NRN PTNS OF FA WHERE A
SFC BNDRY IS XPCTD TO LINGER TNGT.  CONSDRD AN FFA...BUT BLV RPDLY
MOVG TSTMS WL DCRS CHCS FOR FL FLDG OVRNGT.

MDLS SIMILAR IN DPCTG ACTVTY TO DMNSH FM THE WEST WITH TSTMS PRBLY
MOVG EAST OF EOK SHRTLY AFT MIDN.  MAY SEE SOME PARTIAL CLRG...BUT
CLDS SHUD WRAP BACK ARND INTO EOK BY MRNG.  WRAPARND CLDS AND COOL
AIR ADVCTN THURS SHUD KEEP TEMPS BLO NGM MOS MAXES...SPCLY IN NWRN
AR.  LT IN THE DAY SOME CLRG XPCTD FM THE WEST OR SW.  CLRG SKIES
AND DRIER AIR SHUD ALLOW MINS TO FALL INTO THE 40S OVR MUCH OF NERN
OK AND NWRN AR THURS NGT.  MSTLY SUNNY SKIES XPCTD TO RTRN FRIt.

PRELIMS
TUL 57/65/49/75 8100
FSM 60/68/51/75 7200
MLC 61/71/51/76 7100
BVO 54/63/48/74 8100
FYV 59/65/47/73 9200
IDB 62/74/52/77 6200
BYV 58/64/46/72 9200

..11..

.TUL...NONE.

In the hours before

Local storm report, May 17, 4:33 PM CDT, 2 hours 31 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
430 PM CDT WED MAY 17 1995

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1145 AM    5 SW OF OKFUSKEE          OK   0.88 INCH HAIL.
05/17/95   OKFUSKEE

 130 PM    5 NW OF COLCORD           OK   0.75 INCH HAIL
05/17/95   DELAWARE
Special weather statement, May 17, 5:20 PM CDT, 1 hour 44 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-181200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
515 PM CDT WED MAY 17 1995

THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS OVER NORTHEAST
OKLAHOMA UNTIL 10PM THIS EVENING. THE RISK AREA IS GENERALLY NORTH
OF INTERSTATE 40 AND INCLUDES THE CITIES OF
TULSA...BARTLESVILLE...MIAMI...MUSKOGEE AND TAHLEQUAH.

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT
ELSEWHERE OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.

TORNADOES...LARGE HAIL...AND DAMAGING WINDS ARE POSSIBLE ACROSS THE
AREA THROUGH TONIGHT.

A TORNADO WATCH IS IN EFFECT FOR ALL BUT EXTREME SOUTHEAST OKLAHOMA
UNTIL 10PM THIS EVENING.

THE INGREDIENTS ARE COMING TOGETHER FOR THE DEVELOPMENT OF NUMEROUS
SEVERE THUNDERSTORMS THIS EVENING AND OVERNIGHT. A SURFACE LOW
PRESSURE SYSTEM WILL MOVE INTO NORTHEAST OKLAHOMA THIS EVENING AS
A DRYLINE MOVES INTO CENTRAL OKLAHOMA. SCATTERED SEVERE STORMS WERE
ALREADY OCCURRING LATE THIS AFTERNOON IN NORTHEAST OKLAHOMA AND ARE
LIKELY OVER THE REST OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS
TONIGHT AS THE STORM SYSTEM MOVES EAST.

THE WIND PROFILE WILL BE FAVORABLE FOR THE DEVELOPMENT OF A FEW
TORNADOES...WITH LARGE HAIL AND DAMAGING WINDS LIKELY IN MANY OF
THE THUNDERSTORMS.

MANY EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS ACROSS
EASTERN OKLAHOMA AND NORTHWEST ARKANSAS WILL NEED TO BE ACTIVATED8.
Local storm report, May 17, 5:35 PM CDT, 1 hour 29 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
532 PM CDT WED MAY 17 1995

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0527 PM    WYNONA              X      OK   1.00 INCH HAIL
05/17/95   OSAGE

0513 PM    JUST SOUTH OF WYNONA      OK   WIND DAMAGE
05/17/95   OSAGE                          CAR BLOWN OFF HWY INTO DITCH
                                          ESTIMATED 80-100 MPH WIND
Local storm report, May 17, 6:11 PM CDT, 53 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
608 PM CDT WED MAY 17 1995

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0445 PM    PAWNEE                    OK   0.75 INCH HAIL
05/17/95   PAWNEE

0445 PM    PAWNEE                    OK   WIND DAMAGE
05/17/95   PAWNEE                         LARGE TREE UPROOTED

0552 PM    BIXBY                     OK   0.88 INCH HAIL
05/17/95   TULSA

0600 PM    2 SW OF ONETA             OK   0.88 INCH HAIL
05/17/95   WAGONER
Local storm report, May 17, 6:36 PM CDT, 28 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
634 PM CDT WED MAY 17 1995

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0600 PM    DEWEY              J       OK   0.75 INCH HAIL
05/17/95   WASHINGTON

0615 PM    5 S BVO                   OK   1.00 INCH HAIL
05/17/95   WASHINGTON

0615 PM    5 S BVO                   OK   70 MPH WINDS
05/17/95   WASHINGTON

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 8:08 PM CDTSevere Thunderstorm WarningTSALatimer52 min
May 17, 8:08 PM CDTSevere Thunderstorm WarningTSAPittsburg31 min
May 17, 8:48 PM CDTSevere Thunderstorm WarningTSAHaskell, LeFlore42 min
May 17, 9:33 PM CDTSevere Thunderstorm WarningTSALeFlore42 min
May 17, 9:43 PM CDTSevere Thunderstorm WarningTSACrawford47 min
May 17, 10:29 PM CDTSevere Thunderstorm WarningTSAMadison46 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995

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; radar from the NEXRAD Level II archive.