Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 413, NWS Norman, OK

June 11, 1996Harper County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 11, 1996, 8:26 PM CDT for Harper County, Oklahoma. It was in force for 49 min. 4 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 11, 1996, 8:26 PM CDT (01:26 UTC)
Expired: Jun 11, 1996, 9:15 PM CDT
In force: 49 min
Issued by: NWS Norman, OK
Area: Whole counties

County Harper County, OK

The radar

The Dodge City radar (KDDC), 111 km from the middle of the area, began a volume at 01:29 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 11, 8:30 PM CDT	Hail 1	Buffalo, OK
Jun 11, 9:00 PM CDT	Hail 1.75	Buffalo, OK
Jun 11, 9:02 PM CDT	Hail 2.75	Buffalo, OK
Jun 11, 9:10 PM CDT	Hail 1.75	Ft Supply, 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

Dodge City, (KDDC), launched 00:00Z, 1.4 hours before the alert went out and 111 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: 664 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 2417 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 Jun 11, 3:10 PM CDT, 5 hours 16 minutes earlier.

Area forecast discussion, Jun 11, 3:10 PM CDT, 5 hours 16 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
310 PM CDT TUE JUN 11 1996

MODELS HAVING A HARD TIME BLDG CAP ACRS FA...WITH NGM WKST. AVN STGST
36-48HRS BUT STILL DOESN'T BLD SIG CAP. ETA SEEMS TO BE MORE OR LESS A
COMPROMISE BTWN AVN/NGM. THINK AVN TEMPS ARE MORE IN LN WITH BLDG UPR
RDG PTRN.

ATMOS OVR MUCH OF FA RELATIVELY UNSTABLE. WITH WK CAP...WL LEAVE SLGT
CHC POPS MOST AREAS...WITH CHC EVNG POPS ACRS NW/NCNTRL OK NR WK BNDRYS.
CDFNT APRCHG WED NGT INTO THURS SEEMS OVERDONE BY NGM AND ETA. AVN ONCE
AGAIN MODEL OF CHOICE WITH THIS FEATURE. AVN HOLDS UP FNT ACRS NRN PTNS
OF FA THURS INTO FRI. WL INCR POPS IN VCNTY OF BNDRY.

ON SAT/SUN...MRF TRIES TO BRING FNT INTO FA ON HEELS OF BROAD SHEAR
AXIS. WITH STAGNANT PTRN...MRF MAY BE TOO AGRESSIVE. WL NOT INTRO POPS
ATTM WITH UPR RDG IN PLACE. IT WILL ALSO BE HARD TO GET THINGS GOING
WITH CAP IN PLACE AT THAT TIME.

FCSTID = 11
OKC   67  90  69  92 /  20  20  20  20
HBR   68  94  68  96 /  20  20  20  20
SPS   68  95  69  97 /  20  20  20  20
GAG   65  94  66  95 /  30  20  30  30
PNC   69  93  70  93 /  30  20  30  30
DUA   67  89  68  90 /  20  20  20  30

.OKC...
OK...NONE.
TX...NONE.

In the hours before

Local storm report, Jun 11, 5:00 PM CDT, 3 hours 26 minutes before

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Local storm report, Jun 11, 7:03 PM CDT, 1 hour 23 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
705 PM CDT TUE JUN 11 1996

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

605 PM     3N LAMBERT                OK   0.75 INCH HAIL
06/11/96   ALFALFA

FM

Local storm report, Jun 11, 7:27 PM CDT, 59 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
725 PM CDT TUE JUN 11 1996

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

705 PM     7NE BUFFALO               OK   1.25 INCH HAIL
06/11/96   HARPER

FM

Local storm report, Jun 11, 7:33 PM CDT, 53 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
735 PM CDT TUE JUN 11 1996

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

500 PM     4W BYRON                  OK   1.00 INCH HAIL
06/11/96   ALFALFA

FM

Local storm report, Jun 11, 7:51 PM CDT, 35 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
750 PM CDT TUE JUN 11 1996

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

743 PM     5E BUFFALO                OK   1.00 INCH HAIL
06/11/96   HARPER

FM

Local storm report, Jun 11, 8:15 PM CDT, 11 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
815 PM CDT TUE JUN 11 1996

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

755 PM     2.5E BUFFALO              OK   1.75 INCH HAIL
06/11/96   HARPER

FM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:41 PM CDT	Severe Thunderstorm Warning	OUN	Harper	49 min
Jun 11, 8:33 PM CDT	Severe Thunderstorm Warning	OUN	Woods	42 min
Jun 11, 9:13 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woodward	62 min
Jun 11, 9:14 PM CDT	Severe Thunderstorm Warning	OUN	Woods	46 min
Jun 11, 9:24 PM CDT	Tornado Warning	OUN	Ellis	21 min
Jun 11, 9:29 PM CDT	Severe Thunderstorm Warning	OUN	Harper	46 min
Jun 11, 9:45 PM CDT	Tornado Warning	OUN	Ellis	30 min
Jun 11, 10:13 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	47 min
Jun 11, 10:15 PM CDT	Severe Thunderstorm Warning	OUN	Harper	60 min
Jun 11, 10:30 PM CDT	Tornado Warning	OUN	Harper	30 min
Jun 11, 10:59 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woodward	61 min
Jun 12, 3:48 PM CDT	Severe Thunderstorm Warning	OUN	Bryan, Marshall	57 min
Jun 12, 4:44 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	61 min
Jun 12, 4:45 PM CDT	Severe Thunderstorm Warning	OUN	Johnston, Marshall	60 min
Jun 12, 5:51 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	54 min
Jun 12, 6:13 PM CDT	Severe Thunderstorm Warning	OUN	Choctaw	62 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.