Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 159, NWS Amarillo, TX

July 3, 2015Beaver County, Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jul 3, 2015, 4:56 PM CDT for Beaver County, Texas County, Oklahoma. It was in force for 64 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: Jul 3, 2015, 4:56 PM CDT (21:56 UTC)
Expired: Jul 3, 2015, 6:00 PM CDT
In force: 64 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 70.0 mph

Counties Beaver County, OK, Texas County, OK

The radar

The Dodge City radar (KDDC), 144 km from the middle of the area, began a volume at 21:57 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.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.9 hours before the alert went out and 149 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: 299 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1148 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

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 3, 3:00 PM CDT, 1 hour 56 minutes earlier.

Area forecast discussion, Jul 3, 3:00 PM CDT, 1 hour 56 minutes before

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Hazardous weather outlook, Jul 3, 3:59 PM CDT, 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
359 PM CDT FRI JUL 3 2015

OKZ001>003-TXZ001>020-040900-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
359 PM CDT FRI JUL 3 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA
PANHANDLES.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS WILL BE FOUND ACROSS THE OKLAHOMA AND TEXAS PANHANDLES
THROUGH TONIGHT. A FEW STORMS WILL HAVE THE POTENTIAL TO BECOME
SEVERE...WITH HAIL UP TO QUARTER SIZE AND DAMAGING WIND GUSTS. IN
ADDITION...HEAVY RAIN MAY ACCOMPANY THE STRONGEST STORMS...WHICH
COULD LEAD TO FLOODING OR FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF THE OKLAHOMA AND TEXAS
PANHANDLES THROUGH THURSDAY. THE BEST CHANCE OF STORMS WILL LIKELY BE
SUNDAY NIGHT THROUGH MONDAY NIGHT. SOME STRONG TO SEVERE STORMS WILL
BE POSSIBLE WITH DAMAGING WINDS THE THE MAIN THREAT. HEAVY RAIN MAY
ACCOMPANY THE STRONGEST STORMS...WHICH COULD LEAD TO FLOODING OR
FLASH FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THROUGH TONIGHT.

GOEHRING

In the hours before

Special weather statement, Jul 3, 3:53 PM CDT, 1 hour 3 minutes before

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Special weather statement, Jul 3, 3:57 PM CDT, 59 minutes before

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Special weather statement, Jul 3, 4:33 PM CDT, 23 minutes before

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Special weather statement, Jul 3, 4:38 PM CDT, 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
438 PM CDT FRI JUL 3 2015

OKZ002-003-032245-
BEAVER OK-TEXAS OK-
438 PM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BEAVER AND
NORTHEASTERN TEXAS COUNTIES UNTIL 545 PM CDT...

AT 437 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR BAKER...OR 12 MILES SOUTHWEST OF LIBERAL...
MOVING SOUTH AT 10 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  TYRONE...             BAKER...              ADAMS...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3663 10084 3662 10117 3697 10114 3698 10091
TIME...MOT...LOC 2138Z 357DEG 8KT 3688 10102

SCHNEIDER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 7:52 PM CDT	Special Weather Statement	AMA	Hemphill, Roberts	38 min
Jul 2, 8:29 PM CDT	Special Weather Statement	AMA	Gray, Hemphill, Roberts, Wheeler	61 min
Jul 2, 9:58 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson	47 min
Jul 2, 10:22 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	38 min
Jul 2, 10:55 PM CDT	Special Weather Statement	AMA	Collingsworth	50 min
Jul 2, 11:14 PM CDT	Special Weather Statement	AMA	Armstrong	46 min
Jul 3, 6:03 PM CDT	Special Weather Statement	AMA	Hansford, Ochiltree	57 min
Jul 3, 6:20 PM CDT	Special Weather Statement	AMA	Moore	55 min
Jul 3, 6:47 PM CDT	Special Weather Statement	AMA	Hutchinson	58 min
Jul 3, 6:55 PM CDT	Special Weather Statement	AMA	Hutchinson	65 min
Jul 3, 3:53 PM CDT	Special Weather Statement	AMA	Texas	67 min
Jul 3, 3:57 PM CDT	Special Weather Statement	AMA	Texas	63 min
Jul 3, 4:33 PM CDT	Special Weather Statement	AMA	Cimarron	57 min
Jul 3, 4:38 PM CDT	Special Weather Statement	AMA	Texas	67 min
Jul 3, 5:11 PM CDT	Special Weather Statement	AMA	Texas	64 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2015 Every severe thunderstorm warning in 2015

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; radar from the NEXRAD Level II archive.