Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 285, NWS Tulsa, OK

June 6, 1996Okfuskee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 6, 1996, 6:54 PM CDT for Okfuskee County, Oklahoma. It was in force for 51 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 6, 1996, 6:54 PM CDT (23:54 UTC)
Expired: Jun 6, 1996, 7:45 PM CDT
In force: 51 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 23:54 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	Remark
Jun 6, 7:15 PM CDT	Thunderstorm Wind 56	Weleetka, 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 12:00Z, 11.9 hours before the alert went out and 101 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: 53 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 2391 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 062353
SVRTUL
OKC107-070045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
654 PM CDT THU JUN 6 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL OKLAHOMA
 
   ...SOUTHERN OKFUSKEE COUNTY
 
AT 652 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES WEST
OF WELEETKA MOVING EAST-SOUTHEAST AT 30 MPH. WELEETKA IS IN THE PATH OF
THIS STORM.
 
WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCEB TORNADOES WITH
LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.

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 6, 3:42 PM CDT, 3 hours 12 minutes earlier.

Area forecast discussion, Jun 6, 3:42 PM CDT, 3 hours 12 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
345 PM CDT THU JUN 6 1996

OUTFLOW BNDRY HAS BEEN FOCUS FOR TRW DVLPMT THIS AFTN OVR NW AR.
OTR TRW HAV CONTD ALONG SLOW-MOVING LINE OVR XTRM SRN KS THIS AFTN.
EXCESSIVE RAINFALL IS A PSBLTY GIVEN LOW FLASH FLOOD GUIDANCE
VALUES AOB 2 INCHES/HOUR AND THE DVLPMT OF SLOW MOVING LINES OF
CONVECTION. WL ISSUE FFA FOR ALL ZNS EXCEPT FROM TUL TO THE
WEST...WHERE FLASH FLOOD GUIDANCE VALUES ARE CLOSER TO 3
INCHES/HOUR.

WATER VAPOR LOOP CONTS TO SHOW IMPRESSIVE S/W DIVING SOUTH OVR HI
CNTRL PLAINS. UPR LVL POOL OF COLD AIR WL MOV OVR WARM LO-LVL
THETA-E POOLING ALONG FRONT TO CAUSE FURTHER DESTABILIZATION OF
ATMOS THIS EVNG. WEAK CAP OVR SE OK SHUD BREAK. WND PROFILE OVR SE
OK/W CNTRL AR CUD SUPPORT ISOLD SUPERCELLS...ALTHO THEY SHUD NOT BE
LONG-LIVED. WND PROFILE MAY NOT BE AS SUPPORTIVE FOR SUPERCELLS IN
NE OK.

UPR LOW SHUD HANG UP OVR MID-MS VLY BY FRI NGT. COLD POOL ALOFT...
CYCLONIC FLOW...AND WRAPAROUND OF LO-LVL MSTR SHUD SUPPORT STRATOCU
DVLPMT WITH PSBL RW...PARTICULARLY DURG DAYTIME HEATING. DRY SLOT
MAY WORK INTO SRN ZNS...SO WL LET LATER SHIFTS DECIDE ON NECESSITY
OF POPS THERE FOR FRI NT/SAT.
22

PRELIM NUMBERS...SUBJECT TO LAST MINUTE CHANGES
TUL 061/079 058/075 7212
FSM 063/079 058/074 8521
MLC 063/078 057/075 7521
BVO 058/078 056/075 8211
FYV 060/074 054/069 7422
IDB 067/079 060/078 6721
BYV 061/074 055/071 7423

.TUL...
OK...FLASH FLOOD WATCH TONIGHT ZNS 56>58/61>63/67>76.
AR...FLASH FLOOD WATCH TONIGHT ZNS 1/2/10/11/19/29.

In the hours before

Local storm report, Jun 6, 2:20 PM CDT, 4 hours 34 minutes before

PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
215 PM CDT THU JUN 06 1996

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

1225 AM    BRISTOW                   OK   WIND DAMAGE
06/06/96   CREEK                          LARGE TREE LIMBS DOWN

1250 AM    4 E NEW PRUE              OK   WIND DAMAGE
06/06/96   OSAGE                          SMALL TREES AND LIMBS
                                          KNOCKED DOWN

1250 AM    4 E NEW PRUE              OK   TSTM GUST
06/06/96   OSAGE                          60 MPH WIND GUST AT
                                          ZINK RANCH

1250 AM    4 E NEW PRUE              OK   WIND DAMAGE
06/06/96   OSAGE                          SMALL TREES AND LIMBS
                                          KNOCKED DOWN

1250 AM    4 E NEW PRUE              OK   TSTM GUST
06/06/96   OSAGE                          60 MPH WIND GUST AT
                                          ZINK RANCH

0120 AM    8 SE FORAKER              OK   TSTM GUST
06/06/96   OSAGE                          65 MPH WIND GUST RECORDED
                                          ON MESONET.  OTHER GUSTS
                                          IN EXCESS OF 60 MPH RECORDED
                                          BETWEEN 110 AM AND 130 AM

Local storm report, Jun 6, 3:07 PM CDT, 3 hours 47 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
305 PM CDT THU JUN 06 1996

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

0301 PM    8 S GREEN FOREST   V       AR   1.00 INCH HAIL
06/06/96   CARROLL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 11:27 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	63 min
Jun 6, 12:23 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	67 min
Jun 6, 12:50 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	40 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.