Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 239, NWS Tulsa, OK

June 8, 1995Nowata County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 8, 1995, 2:03 PM CDT for Nowata County, Oklahoma. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1995, 2:03 PM CDT (19:03 UTC)
Expired
Jun 8, 1995, 2:45 PM CDT
In force
42 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Nowata County, OK

The radar

The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 19:02 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 12:00Z, 7.1 hours before the alert went out and 238 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 12:00Z on 1995-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3219 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1995-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 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
3219 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 081904 RRA
SVRTUL
OKC105-081945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
203 PM CDT THU JUN 8 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...NOWATA COUNTY
 
AT 202 PM...WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM OVER
WESTERN NOWATA COUNTY. THE STRONGEST PART OF THE STORM WAS LOCATED 5
MILES WEST OF NOWATA...MOVING NORTHEAST AT 25 MILES AN HOUR.
NOWATA...LENAPAH AND DELAWARE ARE IN THE PATH OF THIS STORM.
 
HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 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 Jun 8, 10:26 AM CDT, 3 hours 37 minutes earlier.

Area forecast discussion, Jun 8, 10:26 AM CDT, 3 hours 37 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1010 AM CDT THU JUN 8 1995

CLUSTER OF TRW IN SE KS IS SLOWLY BUT SURELY DVLPING SOUTHWARD
THIS MORNING. AXIS OF H85 DWPTS CLOSE TO + 20 DEG C FEEDING SYS
AND WITH H85-H30 THCKNES RDG JUST WEST OF MCS...DVLPMNET MAY
CONT TO SOUTH THEN SOUTHEAST INTO NE OK. NEW ETA 6 HR PROG
SHOWS VORT MAX IS TROPICAL FLOW MOVING OUT OF TX INTO CENT
OK...WHICH WILL GIVE FURTHER SUPPORT TO MCS. MID LVL ECHOS
ALREADY SHOWING UP IN OSAGE COUNTY. WILL UP POPS TO LIKELY
IN ZNS BORDERING KS AND DECREASE TO S. WILL ADD ISO TRW TO
ZN 77 ALSO.

LOW CLDS DONT LUK AS THCK AS YESTERDAY ON SAT...WITH THINNER
CLDS MOVING INTO SOUTHERN OK. WILL WORD MOCLDY OR PTSUNNY
AND KEEP TMP FCST ABT AS IN PREV FCST.
/13
.TUL...NONE.

In the hours before

Special weather statement, Jun 8, 1:00 PM CDT, 1 hour 3 minutes before
OKZ054>077-ARZ001-002-010-011-019-029-091200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT THU JUN 8 1995

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT FOR ALL OF NORTHWEST ARKANSAS AND NORTHEAST OKLAHOMA...NORTH OF
INTERSTATE 40.  A SLIGHT RISK OF SEVERE THUNDERSTORMS WILL EXIST THROUGH
EVENING OVER THE REMAINDER OF THE AREA...SOUTH OF INTERSTATE 40.

A WEAK UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE AREA THIS AFTERNOON
AND COMBINE WITH WARM TEMPERATURES...RESULTING IN SCATTERED
THUNDERSTORMS.  THE AIRMASS IS QUITE MOIST AND VERY UNSTABLE WHICH WILL
PROVIDE A GOOD POSSIBILITY FOR A FEW THUNDERSTORMS TO BECOME SEVERE.

THE GREATEST THREAT OF SEVERE THUNDERSTORMS WILL BE OVER NORTHEAST
OKLAHOMA AND NORTHWEST ARKANSAS DURING THE AFTERNOON AND NIGHT.
THUNDERSTORMS DEVELOPING OVER SOUTHEAST OKLAHOMA ARE EXPECTED TO
WEAKEN OR DISSIPATE DURING THE EVENING.
.
THE GREATES POTENTIAL FOR SEVERE WEATHER WILL BE FROM HAIL AND HIGH
WINDS.  HOWEVER...TORNADOES MAY BE POSSIBLE MAINLY OVER NORTHEAST
OKLAHOMA WHERE UPPER LEVEL WINDS ARE MORE FAVORABLE.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS IN EASTERN
OKLAHOMA AND NORTHWEST ARKANSAS SHOULD CLOSELY MONITOR THE LATEST
WEATHER CONDITIONS AND FORECASTS AND BE PREPARED FOR POSSIBLE
ACTIVATION LATE THIS AFTERNOON AND TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 1:47 PM CDTSevere Thunderstorm WarningTSAWashington28 min
Jun 8, 2:23 PM CDTSevere Thunderstorm WarningTSAOttawa37 min
Jun 8, 2:37 PM CDTSevere Thunderstorm WarningTSACraig53 min
Jun 8, 4:23 PM CDTSevere Thunderstorm WarningTSANowata37 min
Jun 8, 5:36 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee54 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.