Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 293, NWS Tulsa, OK

June 16, 1996Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 16, 1996, 8:38 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 52 min. 6 reports 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 16, 1996, 8:38 PM CDT (01:38 UTC)
Expired: Jun 16, 1996, 9:30 PM CDT
In force: 52 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 01:39 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

Time	Report	Where
Jun 16, 8:40 PM CDT	Thunderstorm Wind 61	Ralston, OK
Jun 16, 8:40 PM CDT	Thunderstorm Wind 61	Pawnee, OK
Jun 16, 8:40 PM CDT	Hail 0.75	Pawnee, OK
Jun 16, 8:45 PM CDT	Thunderstorm Wind 52	Hominy, OK
Jun 16, 8:55 PM CDT	Thunderstorm Wind 52	Hominy, OK
Jun 16, 9:11 PM CDT	Thunderstorm Wind 61	Hominy, 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, 1.6 hours before the alert went out and 159 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1400 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 1614 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 170140
SVRTUL
OKC113-117-170230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
838 PM CDT SUN JUN 16 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OKLAHOMA
 
   ...EASTERN OSAGE COUNTY...NORTHERN AND WESTERN PAWNEE COUNTY
 
AT 835 PM A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM JUST SOUTHWEST OF
CHAUTAUQUA KANSAS...THROUGH THE FAIRFAX AND RALSTON AREA TO 10 MILES
NORTHWEST OF PAWNEE.  THE LINE OF STORMS WAS MOVING EAST AT 25 MPH.
BIGHEART...PAWHUSKA...WYNONA...HOMINY...BLACKBURN...CLEVELAND...PAWNEE
AND MARAMEC ARE IN THE PATH OF THESE STORMS.
 
 
HAIL TO THE SIZE OF GOLFBALLS AND WIND GUSTS TO 75 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.
 
DAMAGING WINDS WITH GUSTS 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.

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 16, 3:34 PM CDT, 5 hours 4 minutes earlier.

Area forecast discussion, Jun 16, 3:34 PM CDT, 5 hours 4 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT SUN JUN 16 1996

AFTN RW/TRW POPPING UP OVR SE OK...BENEATH UPR RDG AND IN ZNS WHERE
NO POPS WERE MENTIONED...GO FIGURE.  ACTIVITY IS RATHER WEAK
HOWEVER...WITH STGR TSTRMS FARTHER N OVR SW MO.  19Z SFC CHART
SHOWS SFC TROF THRU CNTRL KS INTO WRN OK...AND THIS SHUD BE THE
FOCUS FOR ADDN TSTRM DVLPMT OVR THE NEXT FEW HRS...ESPECIALLY OVR
ERN KS.  NGM BRINGS EXCELLENT 1000-850 MSTR FLUX CONV THRU NE
OK...ALG WITH K INDEX VALUES OF 35-40.  MAIN H85 THETA-E AXIS IS
THRU ERN KS AT 00Z...ALTHO SRN TAIL OF THETA-E AXIS EXTENDS INTO
ERN OK.  THIS LEADS ME TO MAINTAIN HIGHEST POPS OVR THE NRN ZNS
TGNT.

BY MON...UPR SYS LIFTS INTO UPR MS VLY WITH FA BCMG UNDER WEAK NWLY
MID LVL FLOW.  MSTR AXIS/THETA-E AXIS SHIFTS A BIT FARTHER E...BUT
STILL POSITIONED OVR NW AR/SE OK.  WITH AFTN HTG...THINK BEST CHCS
FOR POPS TOMORROW WILL BE OVR ERN AND SERN ZNS.  MDLS IN A BIT OF
DISAGREEMENT IN HANDLING OF VORT LOBE OVR FA...WITH ETA SHIFTING
THIS FEATURE E OF THE FA BY TUE MRNG.  WILL FOLLOW THE SLOWER
NGM/AVN SOLN WHICH KEEPS A PORTION OF THE VORT LOBE OVR FA THRU
TUE.  ACCORDINGLY...WL KP 20 POPS ALL ZNS TUE.

NGM POPS NOT TOO BAD AND WERE GENERALLY FOLLOWED.

PRELIM NUMBERS:

TUL 74/92 72/93 4322
FSM 72/92 70/93 2432
MLC 73/93 71/94 2332
BVO 73/92 69/93 4322
FYV 65/88 64/90 3432
IDB 70/92 69/93 2432
BYV 63/89 62/91 3432

HODGES

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 7:45 PM CDT	Severe Thunderstorm Warning	TSA	Osage	45 min
Jun 16, 8:05 PM CDT	Severe Thunderstorm Warning	TSA	Pawnee	40 min
Jun 16, 8:23 PM CDT	Severe Thunderstorm Warning	TSA	Osage	52 min
Jun 16, 9:28 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Tulsa, Washington	47 min
Jun 16, 10:34 PM CDT	Severe Thunderstorm Warning	TSA	Pawnee	41 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1996 Every 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.