Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 119, NWS Amarillo, TX

July 22, 1996Cimarron County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jul 22, 1996, 4:31 PM CDT for Cimarron County, Oklahoma. It was in force for 44 min. 3 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: Jul 22, 1996, 4:31 PM CDT (21:31 UTC)
Expired: Jul 22, 1996, 5:15 PM CDT
In force: 44 min
Issued by: NWS Amarillo, TX
Area: Whole counties

County Cimarron County, OK

The radar

The Amarillo radar (KAMA), 183 km from the middle of the area, began a volume at 21:35 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
Jul 22, 4:48 PM CDT	Hail 0.75	Boise City, OK
Jul 22, 5:06 PM CDT	Hail 0.75	Felt, OK
Jul 22, 5:20 PM CDT	Hail 0.75	Keyes, 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.5 hours before the alert went out and 184 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: 112 J/kg
Mixed-layer CIN: -304 J/kg
Mixed-layer LCL: 2653 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 3:29 PM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jul 22, 3:29 PM CDT, 1 hour 2 minutes before

TEXAS/OKLAHOMA PANHANDLES AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT MON JUL 22 1996

STG-SVR TSTMS OCRG ATTM OVR N-CNTRL ZNS WHERE SFC DWPTS ABV 65F
POOLED VCNTY SFC TROF/OUTFLOW BNDRY.  AS H5 PAT CONTS TO EVOLVE
INTO ONE OF DIFFLUENT NWLY FLOW...SFC CDFNT AND BNDRYS WL BE
DIRECTED TWD PNHDLS.  SFC THRU H7 MSTR WL CONT TO BE FED INTO
FCST AREA THRU WED...AND AS UPR DIVGNC IPVS AND SFC FLOW BCMS ELY
...GOOD PROSPECTS FOR PCPN.  WL FCST SCT TRW ALL SXNS TNGT...WITH
HIST POPS NRN SXNS...WHERE WL ALSO MENTION PSBL SVR AND HVY RAIN.
TRW LIKELY ACRS NRN ZNS ON TUE...WITH GOOD CHC ELSEWHERE.  WL CONT
TUE NGT AND WED WITH CHC TRW ALL ZNS.  FOR WED NGT THRU FRI...NWLY
FLOW ALF CONTS WITH GEN TROFFINESS OVR PNHDLS...SO WL CONT WITH
CHC TRW.  BY SAT HI AMPLITUDE WRN U.S. RDG DAMPENS...WITH H5 FLOW
DCRG AND BCMG MORE ZONAL...WITH DRY WX EXPCD.  03

.AMA...
TX...NONE.
OK...NONE.

COCKRELL

In the hours before

Special weather statement, Jul 22, 12:58 PM CDT, 3 hours 33 minutes before

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The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 22, 3:08 PM CDT	Severe Thunderstorm Warning	AMA	Sherman	22 min
Jul 22, 4:17 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree	58 min
Jul 22, 6:12 PM CDT	Severe Thunderstorm Warning	AMA	Hartley	48 min
Jul 22, 3:34 PM CDT	Severe Thunderstorm Warning	AMA	Texas	56 min
Jul 22, 4:36 PM CDT	Flash Flood Warning	AMA	Beaver	2 hr
Jul 22, 5:15 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	60 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.