Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 322, NWS Tulsa, OK

July 8, 1996Nowata County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 8, 1996, 4:05 AM CDT for Nowata County, Oklahoma. It was in force for 40 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
Jul 8, 1996, 4:05 AM CDT (09:05 UTC)
Expired
Jul 8, 1996, 4:45 AM CDT
In force
40 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Nowata County, OK

What was reported inside it

TimeReportWhereRemark
Jul 8, 4:20 AM CDTThunderstorm Wind 56Nowata, 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

Springfield, MO (KSGF), launched 00:00Z, 9.1 hours before the alert went out and 162 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, Springfield, MO at 00:00Z on 1996-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3056 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, Springfield, MO at 00:00Z on 1996-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
3056 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1142 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.4

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 Jul 7, 8:01 PM CDT, 8 hours 4 minutes earlier.

Area forecast discussion, Jul 7, 8:01 PM CDT, 8 hours 4 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
800 PM CDT SUN JUL 7 1996

FCST FOR TNGT LOOKS OKAY.  WL BE WATCHING LRG AREA OF TRW OVR NW
KS/SW NE/ERN CO TO SEE IF ORGANIZED COMPLEX MOVES SE TWRD NE OK.
WUD LIKE TO SEE STGR LLJ FCST...OR STGR DYNAMICS TO DRIVE SUCH A
COMPLEX TWRD FCST AREA.  THINK CRNT 20 POPS FOR TNGT WL COVER
SLGT PSBLTY OF WKNG AREA OF TRW RCHG NRN ZNS VRY LT TNGT.  PRTLY
CLDY LOOKS FINE FOR TNGT WITH SCTD MID CLDS OVR AREA AND BLOWOFF
HI CLDS FROM NW KS TRW RCHG NE OK/NW AR AFTR MDNGT. WL REEVALUATE
SITN TWRD MDNGT BASED ON LATEST SATLT/RADAR/PROFILER INFO TO SEE
IF CHCS ARE INCRSG FOR MCS TO HOLD TOGETHER AND REACH FCST AREA.

NEXT FNTL BNDRY SHUD APRCH FCST AREA FROM N TMRW AFTN...MOISTR
POOLG ALNG BNDRY...CONVRGNCE ALNG BNDRY...AND SUFF AFTN HEATING
SHUD LEAD TO SCTD STG/PSBLY SVR TRW DVLPG ALNG BNDRY...BEST CHC
OF TRW SHUD BE FAR NRN ZNS TMRW AFTN...WL INCRS POPS FOR OK ZNS
ALNG KS BRDR TO 30...ELSWHR 20 POPS OKAY.  HI TEMPS TMRW DEPEND
ON AMT OF CLD COVER...THINK CRNT FCST OKAY ATTM.  GOING WITH HEAT
ADVY THRU MON FOR WRN ZNS...EVEN THO SOME AREAS MAY GET BLO 80 DGR
CRITERIA FOR LOWS TNGT.  WITH TEMPS ABV 80 MOST OF NGT...AND
OPPRESSIVE HEAT AND HI DWPTS AGAIN TMRW...FEEL HEAT ADVY WARRANTED.
ADVY SHUD NOT NEED TO BE EXTENDED BEYOND MON AS MDLS SUGGEST WE WL
GET A BREAK FROM HEAT/HUMIDITY.

NO OTHR CHGS PLANNED ATTM.

PW

.TUL...
OK...HEAT ADVY\ THRU MON FOR ZNS 54>56/59>61/64>67/70/71/73>75.
AR...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 3:13 AM CDTSevere Thunderstorm WarningTSAOsage, Washington62 min
Jul 8, 4:23 AM CDTSevere Thunderstorm WarningTSACraig, Ottawa52 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.