Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Amarillo, TX

April 16, 2016Moore County, Potter County, Randall County, Texas

NWS Amarillo, TX issued this special weather statement at Apr 16, 2016, 11:49 AM CDT for Moore County, Potter County, Randall County, Texas. It was in force for 26 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: Apr 16, 2016, 11:49 AM CDT (16:49 UTC)
Expired: Apr 16, 2016, 12:15 PM CDT
In force: 26 min
Issued by: NWS Amarillo, TX

Counties Moore County, TX, Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 46 km from the middle of the area, began a volume at 16:49 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 4.8 hours before the alert went out and 47 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: 363 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 538 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 303 m²/s²
0-3 km storm-relative helicity: 320 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted.

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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 Apr 16, 6:04 AM CDT, 5 hours 45 minutes earlier.

Area forecast discussion, Apr 16, 6:04 AM CDT, 5 hours 45 minutes before

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Hazardous weather outlook, Apr 16, 4:07 AM CDT, 7 hours 42 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
407 AM CDT SAT APR 16 2016

OKZ001>003-TXZ001>020-162100-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
407 AM CDT SAT APR 16 2016

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

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF THE TEXAS AND OKLAHOMA
PANHANDLES. SOME OF THE STORMS THAT DEVELOP WILL LIKELY BECOME
STRONG TO SEVERE. LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY
HAZARDS. LOCALLY HEAVY RAINFALL MAY ALSO LEAD TO FLOODING OR FLASH
FLOODING. A FLOOD WATCH WILL BE IN EFFECT FOR THE EXTREME EASTERN
SECTIONS OF THE PANHANDLES TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THUNDERSTORMS WILL BE POSSIBLE ACROSS MUCH OF THE TEXAS AND OKLAHOMA
PANHANDLES FROM SUNDAY THROUGH FRIDAY NIGHT. SOME OF THE STORMS THAT
DEVELOP COULD POSSIBLY BECOME STRONG WITH HAIL UP TO A QUARTER OF AN
INCH AND THUNDERSTORM WIND GUSTS OF 45 TO 55 MPH BEING THE PRIMARY
HAZARDS. LOCALLY HEAVY RAINFALL MAY ALSO LEAD TO FLASH FLOODING
SUNDAY. A FLOOD WATCH WILL BE IN EFFECT FOR THE EXTREME EASTERN
SECTIONS OF THE PANHANDLES THROUGH SUNDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND TONIGHT ACROSS
THE EASTERN HALF OR TWO-THIRDS OF THE PANHANDLES.

SCHNEIDER

In the hours before

Special weather statement, Apr 16, 11:14 AM CDT, 35 minutes before

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Local storm report, Apr 16, 11:15 AM CDT, 34 minutes before

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Special weather statement, Apr 16, 11:49 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1149 AM CDT SAT APR 16 2016

TXZ007-012-017-161715-
POTTER TX-RANDALL TX-MOORE TX-
1149 AM CDT SAT APR 16 2016

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN MOORE...CENTRAL RANDALL
AND CENTRAL POTTER COUNTIES UNTIL 1215 PM CDT...

AT 1147 AM CDT...SHOWERS AND THUNDERSTORMS WERE INTENSIFYING ALONG A
LINE EXTENDING FROM 3 MILES WEST OF DUMAS TO 3 MILES EAST OF
BUSHLAND TO 4 MILES WEST OF CANYON. MOVEMENT WAS NORTHEAST AT 25 MPH.

THOUGH ORGANIZED STORM ROTATION HAS NOT BEEN DETECTED...BRIEF WEAK
TORNADOES ARE POSSIBLE. NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH
WILL ALSO BE POSSIBLE WITH THESE STORMS AS THE
INTENSIFY...ESPECIALLY NORTH OF AMARILLO OVER RURAL SECTIONS OF
CENTRAL POTTER COUNTY.

LOCATIONS IMPACTED INCLUDE...
AMARILLO...DUMAS...CANYON...CACTUS...MASTERSON...MESCALERO PARK AND FOUR
WAY.

LAT...LON 3606 10209 3606 10187 3486 10185 3486 10204
TIME...MOT...LOC 1647Z 202DEG 20KT 3588 10203 3522 10200 3500 10199

BRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 8:17 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	58 min
Apr 15, 8:59 PM CDT	Severe Thunderstorm Warning	AMA	Oldham	46 min
Apr 15, 9:15 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	75 min
Apr 15, 9:21 PM CDT	Tornado Warning	AMA	Oldham	39 min
Apr 15, 9:32 PM CDT	Severe Thunderstorm Warning	AMA	Moore	43 min
Apr 15, 10:00 PM CDT	Severe Thunderstorm Warning	AMA	Hartley	60 min
Apr 15, 10:15 PM CDT	Severe Thunderstorm Warning	AMA	Moore, Sherman	60 min
Apr 15, 10:59 PM CDT	Tornado Warning	AMA	Hartley	15 min
Apr 15, 11:26 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Moore, Sherman	64 min
Apr 15, 11:42 PM CDT	Special Weather Statement	AMA	Hartley	48 min
Apr 15, 11:54 PM CDT	Special Weather Statement	AMA	Potter	66 min
Apr 16, 12:12 AM CDT	Special Weather Statement	AMA	Hartley	63 min
Apr 16, 12:34 AM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Sherman	86 min
Apr 16, 12:41 AM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	37 min
Apr 16, 1:27 AM CDT	Areal Flood Advisory	AMA	Dallam	5 hr
Apr 16, 4:13 AM CDT	Flood Watch	AMA	Collingsworth, Hemphill, Lipscomb, Wheeler	22 hr
Apr 16, 9:11 AM CDT	Dense Fog Advisory	AMA	Armstrong, Carson, Donley, Gray, Potter, Randall	2 hr
Apr 16, 11:14 AM CDT	Special Weather Statement	AMA	Potter	31 min
Apr 16, 12:19 PM CDT	Special Weather Statement	AMA	Moore, Potter	26 min
Apr 16, 1:31 PM CDT	Special Weather Statement	AMA	Hansford	29 min
Apr 16, 1:41 PM CDT	Special Weather Statement	AMA	Randall	19 min
Apr 16, 2:01 PM CDT	Special Weather Statement	AMA	Armstrong	29 min
Apr 16, 2:21 PM CDT	Special Weather Statement	AMA	Carson	24 min
Apr 16, 2:31 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson	59 min
Apr 16, 2:52 PM CDT	Special Weather Statement	AMA	Armstrong	23 min
Apr 16, 3:16 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	44 min
Apr 16, 3:29 PM CDT	Special Weather Statement	AMA	Hansford	31 min
Apr 16, 3:38 PM CDT	Special Weather Statement	AMA	Carson	52 min
Apr 16, 3:58 PM CDT	Special Weather Statement	AMA	Donley	32 min
Apr 16, 4:26 PM CDT	Special Weather Statement	AMA	Donley	34 min
Apr 16, 4:47 PM CDT	Severe Thunderstorm Warning	AMA	Donley	42 min
Apr 16, 5:07 PM CDT	Special Weather Statement	AMA	Sherman	38 min
Apr 16, 5:15 PM CDT	Special Weather Statement	AMA	Gray	30 min
Apr 16, 5:25 PM CDT	Areal Flood Advisory	AMA	Donley	4 hr
Apr 16, 5:27 PM CDT	Areal Flood Advisory	AMA	Moore	4 hr
Apr 16, 5:34 PM CDT	Severe Thunderstorm Warning	AMA	Donley	56 min
Apr 16, 5:51 PM CDT	Special Weather Statement	AMA	Hutchinson	39 min
Apr 16, 6:13 PM CDT	Special Weather Statement	AMA	Hemphill	47 min
Apr 16, 6:27 PM CDT	Special Weather Statement	AMA	Collingsworth	48 min
Apr 15, 7:01 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	59 min
Apr 15, 7:15 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	45 min
Apr 15, 7:52 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron, Texas	23 min
Apr 15, 8:00 PM CDT	Areal Flood Advisory	AMA	Cimarron	3 hr
Apr 15, 8:11 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	64 min
Apr 15, 8:12 PM CDT	Tornado Warning Tornado observed	AMA	Texas	48 min
Apr 15, 10:30 PM CDT	Severe Thunderstorm Warning	AMA	Texas	45 min
Apr 15, 11:28 PM CDT	Special Weather Statement	AMA	Texas	62 min
Apr 16, 12:23 AM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	33 min
Apr 16, 9:47 AM CDT	Areal Flood Warning	AMA	Cimarron, Texas	3 hr
Apr 16, 12:10 PM CDT	Flash Flood Warning	AMA	Cimarron, Texas	4 hr

Nearby

Special Weather Statements in Texas, 2016 Every special weather statement in 2016

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.