Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 91, NWS Amarillo, TX

June 8, 20134 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 8, 2013, 9:12 PM CDT for 4 counties in Texas. It was in force for 48 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: Jun 8, 2013, 9:12 PM CDT (02:12 UTC)
Expired: Jun 8, 2013, 10:00 PM CDT
In force: 48 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Gray County, TX, Hemphill County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 114 km from the middle of the area, began a volume at 02:14 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 8, 3:29 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.2 hours before the alert went out and 114 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: 1603 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 1891 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 5.4

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 Jun 8, 6:54 PM CDT, 2 hours 18 minutes earlier.

Area forecast discussion, Jun 8, 6:54 PM CDT, 2 hours 18 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
654 PM CDT SAT JUN 8 2013

.AVIATION...
FOR THE 00Z TAFS...LATEST ROUND OF SHOWERS AND TSTMS MOVG ACROSS TX
AND OK PNHDLS IN ASSOCIATION WITH A SURFACE COLD FRONT AND MINOR
UPPER LEVEL STORM SYSTEM. EXPECT THIS FRONT TO MOVE ACROSS ALL TAF
SITES THIS EVENING. WHETHER OR NOT TSTMS AFFECT ANY ONE PARTICULAR
TAF SITE IS A LOW CONFIDENCE ELEMENT. DUE TO NEARBY TSTMS...DECIDED
TO LEAVE MENTION OF VCTS AT KAMA FOR FIRST FEW HOURS OF THIS FCST
CYCLE. OMITTED TSTMS AT KGUY AND KDHT AT THIS TIME. WILL CLOSELY
MONITOR RADAR TRENDS THIS EVENING...AND AMENDMENTS WILL BE POSSIBLE.

ANDRADE

&&

.PREV DISCUSSION... /ISSUED 517 PM CDT SAT JUN 8 2013/

DISCUSSION...
THE NEXT ROUND OF SHOWERS AND TSTMS CURRENTLY FORMING IN A LINEAR
FASHION ACROSS OK PNHDL EXTENDING INTO NWRN TX PNHDL IN ASSOCIATION
WITH A SFC COLD FRONT AND FAST MOVING MINOR UPPER LEVEL SHORTWAVE
TROF. HIGHEST POPS ERN ZONES AND LOWEST WRN SECTIONS TONIGHT. ALSO WENT
WITH AREAL QUALIFIERS DESCRIPTIVE WORDING THIS EVENING ALONG WITH
MENTION OF SVR...WITH MAIN HAZARDS LARGE HAIL AND DAMAGING WINDS.
REDUCED POPS AFTER 06Z THIS EVENING INTO SLGT CHC TO LOW END CHANCE
CATEGORY AS COLD FRONT CONTINUES ITS SOUTHWARD JOURNEY.

LOOKS LIKE TONIGHT WILL BE THE LAST OPPORTUNITY FOR THE FCST AREA TO
SEE RAIN FOR AT LEAST THE NEXT 7 DAYS. AFTER TONIGHT...AN UPPER LEVEL
RIDGE OF HIGH PRESSURE WILL BUILD INTO THE SCNTRL PLAINS STATES AND
PERSIST THROUGH THE END OF THIS 7 DAY FCST PCKG. THIS WILL RESULT IN
WELL ABOVE NORMAL TEMPERATURES...WITH TRIPLE DIGIT HEAT EXPECTED
ACROSS PARTS OR MOST OF THE FCST AREA BEGINNING MONDAY AND CONTINUING
THROUGH FRIDAY. IF THE ECMWF TEMPS VERIFY...SOME PARTS OF OUR FCST
AREA MAY IMPINGE ON HEAT ADVISORY CRITERIA AROUND THE MIDDLE OF NEXT
WEEK...AND THIS WILL NEED TO BE MONITORED CLOSELY DURING THE NEXT FEW
DAYS. A FEW HIGH TEMPERATURE RECORDS MAY BE IN JEOPARDY SOMETIME
NEXT WEEK AS WELL. OVERALL...HAVE RETAINED INTEGRITY OF PREVIOUS FCST
PCKG.

ANDRADE

FIRE WEATHER...
NEITHER ELEVATED NOR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED
THROUGH THE MIDDLE OF NEXT WEEK AT THIS TIME DUE TO RECENT MODERATE
TO HEAVY PRECIPITATION AMOUNTS DURING THIS PAST WEEK.

ANDRADE

&&

.AMA WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
OK...NONE.

&&

Hazardous weather outlook, Jun 8, 8:56 PM CDT, 16 minutes before

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In the hours before

Special weather statement, Jun 8, 8:08 PM CDT, 1 hour 4 minutes before

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Local storm report, Jun 8, 8:24 PM CDT, 48 minutes before

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Local storm report, Jun 8, 8:27 PM CDT, 45 minutes before

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Local storm report, Jun 8, 8:53 PM CDT, 19 minutes before

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Local storm report, Jun 8, 8:58 PM CDT, 14 minutes before

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Special weather statement, Jun 8, 9:01 PM CDT, 11 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
Jun 8, 7:23 PM CDT	Special Weather Statement	AMA	Hansford	52 min
Jun 8, 7:29 PM CDT	Severe Thunderstorm Warning	AMA	Hansford	46 min
Jun 8, 7:37 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	38 min
Jun 8, 8:08 PM CDT	Special Weather Statement	AMA	Hutchinson, Moore	37 min
Jun 8, 8:12 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	63 min
Jun 8, 8:24 PM CDT	Severe Thunderstorm Warning	AMA	Moore	51 min
Jun 8, 9:01 PM CDT	Special Weather Statement	AMA	Hutchinson	44 min
Jun 8, 9:08 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	52 min
Jun 8, 9:30 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter	45 min
Jun 8, 9:51 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Potter, Randall	54 min
Jun 8, 9:55 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Gray, Hemphill, Wheeler	65 min
Jun 8, 10:14 PM CDT	Special Weather Statement	AMA	Potter	31 min
Jun 8, 10:15 PM CDT	Areal Flood Advisory	AMA	Potter, Randall	3 hr
Jun 8, 10:16 PM CDT	Special Weather Statement	AMA	Gray	44 min
Jun 8, 10:31 PM CDT	Special Weather Statement	AMA	Collingsworth	59 min
Jun 8, 10:54 PM CDT	Special Weather Statement	AMA	Carson	36 min
Jun 8, 10:58 PM CDT	Special Weather Statement	AMA	Gray	32 min
Jun 8, 11:02 PM CDT	Special Weather Statement	AMA	Wheeler	43 min
Jun 8, 11:14 PM CDT	Special Weather Statement	AMA	Randall	31 min
Jun 8, 11:31 PM CDT	Special Weather Statement	AMA	Donley, Gray	29 min
Jun 8, 11:47 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray	58 min
Jun 8, 11:52 PM CDT	Special Weather Statement	AMA	Carson	23 min
Jun 8, 11:58 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Hutchinson, Potter	62 min
Jun 9, 12:58 AM CDT	Special Weather Statement	AMA	Armstrong	32 min
Jun 9, 1:26 AM CDT	Special Weather Statement	AMA	Armstrong	34 min
Jun 9, 1:59 AM CDT	Special Weather Statement	AMA	Armstrong	31 min
Jun 8, 7:03 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	57 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013 Every severe thunderstorm warning 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.