Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 660, NWS Norman, OK

September 26, 1996Garfield County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Sep 26, 1996, 2:24 AM CDT for Garfield County, Oklahoma. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 26, 1996, 2:24 AM CDT (07:24 UTC)
Expired: Sep 26, 1996, 3:00 AM CDT
In force: 36 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Garfield County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.4 hours before the alert went out and 133 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: 971 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 570 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 265 m²/s²
0-3 km storm-relative helicity: 373 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 6.7

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 25, 9:42 PM CDT, 4 hours 42 minutes earlier.

Area forecast discussion, Sep 25, 9:42 PM CDT, 4 hours 42 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
940 PM CDT WED SEP 25 1996

WL KEEP DISC BRIEF.  LN STG/SVR TSTMS MOVG SLOWLY ACRS NWRN OK WITH MORE
TSTMS MOVG INTO NRN OK.  LTST SFC ANLYS IS RATHER COMPLEX WITH LOW PRES
OVR OK/TX PNHDLS...WARM FRONT TRAILING THRU ERN OK...AND STG COLD FRNT
TO THE N OVR WRN KS/SE CO.  12Z ETA NAILED PLACEMENT OF SFC FEATURES
THIS EVE...AND PUTS THE COLD FRNT IN NWRN OK BY 12Z THU.  TEMPS OVR WRN
KS/ERN CO QUICKLY DROPPED INTO THE 40S AFTER FRNTL PASSAGE WITH THE AID
OF BRISK NLY WNDS.  TSTMS DVLPG ALG DECENT LOW LVL CNVGC AHEAD OF FRNT
AND SHOULD CONT TO INCRS IN AREAL COVG AS THEY ENCOUNTER BETTER JET
DYNAMICS.  WL MAKE ADJ TO WORDING TO ADD SVR TO ALL BUT THE SRN
ZNS...AND MNTN LOCALLY HVY RAINS.  FLOODING WL BE A PRBLM DUE TO SLOW
MVMNT OF TSTMS/TRAINING ECHOES.  WL ALSO TAKE LAST MINUTE LOOK AT TEMPS
AND WINDS.  GOTTA LUV THOSE 40S...COME ON DOWN.

FCSTID = 25/MCCLURE

.OKC4...
OK...NONE.
TX...NONE.

In the hours before

Local storm report, Sep 25, 9:54 PM CDT, 4 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
955 PM CDT WED SEP 25 1996

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

094p0 PM    MANCHESTER                OK   UNCONFIRMED REPORT OF TORNADO
09/25/96   GRANT                          JUST EAST OF TOWN.

J

Local storm report, Sep 25, 11:32 PM CDT, 2 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1130 PM CDT WED SEP 25 1996

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

1125 PM    2 W NARDIN                OK   TORNADO
9/25/96    KAY/GRANT                      REPORTED BY SPOTTER ON COUNTY
                                          LINE.

J

Local storm report, Sep 25, 11:44 PM CDT, 2 hours 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1145 PM CDT WED SEP 25 1996

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

1120 PM    20 NW ORIENTA             OK   0.88 INCH HAIL
9/25/96    MAJOR

1134 PM    5 N TONKAWA               OK   TORNADO
9/25/96    KAY                            2 BRIEF TOUCHDOWNS.

J

Local storm report, Sep 26, 2:15 AM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 25, 7:00 PM CDT	Severe Thunderstorm Warning	OUN	Harper	45 min
Sep 25, 7:49 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woodward	41 min
Sep 25, 9:00 PM CDT	Severe Thunderstorm Warning	OUN	Grant	60 min
Sep 25, 9:32 PM CDT	Flash Flood Warning	OUN	Ellis, Harper, Woodward	3 hr
Sep 25, 9:47 PM CDT	Tornado Warning	OUN	Grant	28 min
Sep 25, 10:15 PM CDT	Tornado Warning	OUN	Grant	30 min
Sep 25, 10:29 PM CDT	Severe Thunderstorm Warning	OUN	Kay	46 min
Sep 25, 10:36 PM CDT	Severe Thunderstorm Warning	OUN	Major, Woods, Woodward	39 min
Sep 25, 10:55 PM CDT	Tornado Warning	OUN	Grant	20 min
Sep 25, 11:11 PM CDT	Severe Thunderstorm Warning	OUN	Major, Woods	49 min
Sep 25, 11:15 PM CDT	Tornado Warning	OUN	Grant, Kay	30 min
Sep 25, 11:22 PM CDT	Severe Thunderstorm Warning	OUN	Kay	53 min
Sep 25, 11:45 PM CDT	Tornado Warning	OUN	Kay	45 min
Sep 25, 11:47 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher	43 min
Sep 25, 11:57 PM CDT	Flash Flood Warning	OUN	Kay	4 hr
Sep 26, 12:14 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	46 min
Sep 26, 1:06 AM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	54 min
Sep 26, 1:56 AM CDT	Severe Thunderstorm Warning	OUN	Payne	34 min
Sep 26, 11:48 AM CDT	Severe Thunderstorm Warning	OUN	Choctaw, Pushmataha	57 min
Sep 26, 11:48 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	57 min
Sep 26, 12:40 PM CDT	Severe Thunderstorm Warning	OUN	Choctaw, Pushmataha	50 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; the sounding from the Mesonet's radiosonde archive.