Alert archive / Texas / Special Weather Statements in 2013

Special Weather Statement, NWS Amarillo, TX

August 8, 2013Randall County, Texas

NWS Amarillo, TX issued this special weather statement at Aug 8, 2013, 4:49 PM CDT for Randall County, Texas. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 8, 2013, 4:49 PM CDT (21:49 UTC)
Expired: Aug 8, 2013, 5:45 PM CDT
In force: 56 min
Issued by: NWS Amarillo, TX

County Randall County, TX

The radar

The Amarillo radar (KAMA), 49 km from the middle of the area, began a volume at 21:50 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, 9.8 hours before the alert went out and 374 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: 124 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 734 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 8, 3:36 PM CDT, 1 hour 13 minutes earlier.

Area forecast discussion, Aug 8, 3:36 PM CDT, 1 hour 13 minutes before

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Hazardous weather outlook, Aug 8, 3:23 PM CDT, 1 hour 26 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
323 PM CDT THU AUG 8 2013

OKZ001>003-TXZ001>020-091145-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
323 PM CDT THU AUG 8 2013

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

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE POSSIBLE ACROSS THE OKLAHOMA AND TEXAS PANHANDLES
TONIGHT. SOME OF THESE STORMS MAY BE SEVERE WITH THE PRIMARY HAZARDS
OF HEAVY RAIN LEADING TO LOCALIZED FLASH FLOODING...STRONG WINDS TO
70 MPH...AND LARGE HAIL UP TO GOLF BALL SIZE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THUNDERSTORMS WILL AGAIN BE POSSIBLE ACROSS MUCH OF THE PANHANDLES
FRIDAY THROUGH WEDNESDAY. A FEW OF THE STORMS THROUGH THIS PERIOD
COULD BE SEVERE WITH THE PRIMARY HAZARDS OF HEAVY RAIN LEADING TO
LOCALIZED FLASH FLOODING...STRONG WINDS...AND LARGE HAIL. THE BIGGEST
THREAT FOR SEVERE STORMS IS DURING THE AFTERNOON AND EVENING HOURS
MONDAY...TUESDAY...AND WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TONIGHT AND AGAIN EARLY NEXT WEEK.

JOHNSON

In the hours before

Local storm report, Aug 8, 3:11 PM CDT, 1 hour 38 minutes before

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Local storm report, Aug 8, 3:13 PM CDT, 1 hour 36 minutes before

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Special weather statement, Aug 8, 3:16 PM CDT, 1 hour 33 minutes before

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Special weather statement, Aug 8, 4:18 PM CDT, 31 minutes before

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Special weather statement, Aug 8, 4:23 PM CDT, 26 minutes before

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Special weather statement, Aug 8, 4:49 PM CDT, 0 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
Aug 7, 7:00 PM CDT	Special Weather Statement	AMA	Oldham	60 min
Aug 7, 7:39 PM CDT	Special Weather Statement	AMA	Moore	66 min
Aug 7, 7:46 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	59 min
Aug 7, 9:16 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree, Sherman	59 min
Aug 7, 9:34 PM CDT	Areal Flood Advisory	AMA	Dallam, Hartley, Moore, Sherman	6 hr
Aug 7, 9:49 PM CDT	Special Weather Statement	AMA	Potter	56 min
Aug 7, 11:05 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	55 min
Aug 7, 11:51 PM CDT	Flash Flood Warning	AMA	Lipscomb, Ochiltree	6 hr
Aug 7, 11:55 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	65 min
Aug 8, 4:18 PM CDT	Special Weather Statement	AMA	Randall	42 min
Aug 8, 5:06 PM CDT	Special Weather Statement	AMA	Armstrong	24 min
Aug 8, 5:32 PM CDT	Special Weather Statement	AMA	Donley	43 min
Aug 8, 6:56 PM CDT	Special Weather Statement	AMA	Hartley	49 min
Aug 7, 7:22 PM CDT	Special Weather Statement	AMA	Cimarron	53 min
Aug 7, 7:29 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	61 min
Aug 7, 7:41 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	64 min
Aug 7, 7:51 PM CDT	Tornado Warning	AMA	Beaver, Texas	39 min
Aug 7, 8:36 PM CDT	Special Weather Statement	AMA	Texas	54 min
Aug 7, 8:41 PM CDT	Severe Thunderstorm Warning	AMA	Texas	64 min
Aug 7, 9:02 PM CDT	Special Weather Statement	AMA	Beaver	58 min
Aug 7, 9:30 PM CDT	Flash Flood Warning	AMA	Beaver, Texas	6 hr
Aug 7, 10:14 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	61 min
Aug 8, 3:25 AM CDT	Areal Flood Advisory	AMA	Beaver, Texas	3 hr
Aug 8, 3:16 PM CDT	Special Weather Statement	AMA	Cimarron	59 min
Aug 8, 4:23 PM CDT	Special Weather Statement	AMA	Cimarron	67 min
Aug 8, 5:30 PM CDT	Special Weather Statement	AMA	Cimarron	60 min

Nearby

Special Weather Statements in Texas, 2013 Every special weather statement in 2013

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.