Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 253, NWS Tulsa, OK

June 1, 1996Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 1, 1996, 1:12 AM CDT for Osage County, Oklahoma. It was in force for 63 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
Jun 1, 1996, 1:12 AM CDT (06:12 UTC)
Expired
Jun 1, 1996, 2:15 AM CDT
In force
63 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Osage County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 06:11 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

TimeReportWhereRemark
Jun 1, 1:51 AM CDTHail 1Wynona, 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.2 hours before the alert went out and 181 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 1996-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1608 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 00:00Z on 1996-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939587897Sfc1 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
1608 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1191 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
1.4
Supercell composite
11.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 010613
SVRTUL
OKC113-010715-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
112 AM CDT SAT JUN 1 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...OSAGE COUNTY
 
AT 111 AM...RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM CHAUTAUQUA
KANSAS TO JUST NORTHWEST OF FAIRFAX. THE LINE WAS MOVING EAST AT 35
MILES AN HOUR. PAWHUSKA AND HULAH LAKE ARE IN THE PATH OF THESE STORMS.
 
 
DAMAGING WINDS WITH GUSTS UP TO 70 MPH WILL OCCUR WITH THIS LINE OF
THUNDERSTORMS.  IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER
IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR HOME.  STAY
AWAY FROM OUTSIDE WALLS AND WINDOWS.  IF YOU ARE IN A MOBILE HOME
YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY.
 
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 31, 9:00 PM CDT, 4 hours 12 minutes earlier.

Area forecast discussion, May 31, 9:00 PM CDT, 4 hours 12 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
900 PM CDT FRI MAY 31 1996

MOST PRECIP HAS DIMINISHED/MVD OUT OF FA THIS EVE. ONLY XCPN IS IN
NW AR ZNS NR THE MO BRDR. HV SEEN SOME REDVLPMNT IN THAT AREA IN
THE PAST HR OR SO. OTRW MOST TRW ACTVTY ATTM IS WELL N AND W OF FA.
FNTL BNDRY APRS TO STILL BE POSITIONED NW-SE ACRS OK W/LOWER CLDS
DIMINISHING IN MOST AREAS. NOT MUCH TO ADD TO PREV FCST. STILL NOT
CERTAIN WHETHER TRW COMPLEX WL MV ACRS ZNS TNGT SO WL CONT W/CHC
POPS. BUT IF IT OCCURS IT SHLD BE LATE SO WL INSERT THAT WORDING
INTO ZFP XCPT FOR THOSE FEW ZNS WHERE TRW ARE CRNTLY PERSISTING.
MAY BE A LTL MORE OPTIMISTIC IN SE ZNS AND CHG SKY COND` TO PTLY
CLDY AND LOWER POPS JUST A BIT FM CRNT FCST. OTRW MILD LOW TEMPS
AND SE WNDS IN ZFP SEEMS FINE.

07

.TUL...
OK...NONE.
AR...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 12:34 AM CDTSevere Thunderstorm WarningTSAOsage41 min
Jun 1, 1:25 AM CDTSevere Thunderstorm WarningTSANowata, Washington65 min
Jun 1, 2:01 AM CDTSevere Thunderstorm WarningTSACraig, Nowata, Rogers59 min
Jun 1, 2:30 AM CDTSevere Thunderstorm WarningTSAOkmulgee, Tulsa45 min
Jun 1, 2:30 AM CDTSevere Thunderstorm WarningTSAMayes, Rogers45 min
Jun 1, 2:42 AM CDTSevere Thunderstorm WarningTSADelaware, Ottawa48 min
Jun 1, 3:07 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee53 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1996Every severe thunderstorm warning in 1996

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.