Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 162, NWS Amarillo, TX

July 3, 2015Potter County, Randall County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jul 3, 2015, 9:24 PM CDT for Potter County, Randall County, Texas. It was in force for 53 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, 9:24 PM CDT (02:24 UTC)
Expired
Jul 3, 2015, 10:17 PM CDT
In force
53 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 18 km from the middle of the area, began a volume at 02:26 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 00:00Z, 2.4 hours before the alert went out and 18 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-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2015-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 104 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2015-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
104 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
2196 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

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, 6:52 PM CDT, 2 hours 32 minutes earlier.

Area forecast discussion, Jul 3, 6:52 PM CDT, 2 hours 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
652 PM CDT FRI JUL 3 2015

.AVIATION...
00Z TAF CYCLE
CONVECTION ACROSS THE NORTHERN AND CENTRAL TEXAS PANHANDLE WILL
CONTINUE MOVING SOUTH ACROSS THE DALHART AND AMARILLO TAF SITES
THROUGH ABOUT 04Z TO 06Z SATURDAY. VFR CONDITIONS WILL BE THE RULE
THROUGH 00Z SUNDAY...EXCEPT IN AND NEAR THE CONVECTION WHERE MVFR
CEILINGS AND VISIBILITIES WILL BE POSSIBLE ALONG WITH STRONG AND
ERRATIC WINDS. WINDS WILL BE PRIMARILY FROM THE SOUTHEAST TO SOUTH 5
TO 15 KNOTS OUTSIDE THE CONVECTION THIS EVENING AND TONIGHT...AND
THEN VEERING AROUND MORE TO THE SOUTH AND SOUTHWEST AFTER 14Z
SATURDAY. WIND SPEEDS ARE EXPECTED TO INCREASE AFTER ABOUT 18Z TO 20Z
SATURDAY TO AROUND 15 TO 20 KNOTS WITH SOME HIGHER GUSTS POSSIBLE.

SCHNEIDER

&&

.PREV DISCUSSION... /ISSUED 300 PM CDT FRI JUL 3 2015/

DISCUSSION...
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BE SCATTERED ABOUT THE
PANHANDLES THROUGH TONIGHT. A COUPLE OF UPPER LEVEL SHORT WAVE
TROUGHS WILL HEAD THIS DIRECTION FROM THE NORTH AND NORTHWEST. ONE
OVER SOUTHWEST NEBRASKA IS EXPECTED TO MOVE OFF TO THE SOUTHEAST
INTO CENTRAL KANSAS AND NORTHEAST OKLAHOMA OVERNIGHT. ANOTHER SHORT
WAVE OVER CENTRAL COLORADO IS EXPECTED TO DROP SOUTHEAST ACROSS THE
PANHANDLES OVERNIGHT. BOTH OF THESE DISTURBANCES SHOULD KEEP
SHOWERS AND THUNDERSTORMS GOING FOR MUCH OF THE NIGHT.

THE UPPER LEVEL RIDGE TO OUR WEST WILL BREAK DOWN SOME AND BROADEN.
THE PANHANDLES WILL BE MORE UNDER THE INFLUENCE OF THE CENTER OF THE
RIDGE SATURDAY AND SUNDAY...SO SHOWER AND THUNDERSTORM CHANCES
SHOULD GO DOWN SOME...BUT NOT TO ZERO...ON THESE DAYS.

THE UPPER LEVEL RIDGE WILL BREAK DOWN AND MOVE BACK FURTHER WEST BY
SUNDAY NIGHT. THIS WILL ALLOW A MUCH STRONGER SHORT WAVE TROUGH TO
DIVE SOUTHEAST ACROSS THE NORTHERN GREAT PLAINS MONDAY. THIS SHORT
WAVE WILL HELP TO DRIVE A COLD FRONT THROUGH THE PANHANDLES LATE
SUNDAY NIGHT INTO MONDAY. THIS FRONT WILL AGAIN HELP TO SPARK
SHOWERS AND THUNDERSTORMS ACROSS THE AREA.

SHOWERS AND THUNDERSTORMS MAY DEVELOP IN THE POST UPSLOPE
ENVIRONMENT ON TUESDAY IF ENOUGH INSTABILITY CAN BE REALIZED.

A WEST TO SOUTHWEST FLOW ALOFT WILL DEVELOP OVER THE PANHANDLES
WEDNESDAY THROUGH THE END OF THIS FORECAST. THIS WILL ENCOURAGE A
LEE-SIDE TROUGH TO DEVELOP EACH DAY...SO SHOWERS AND THUNDERSTORMS
MAY FORM ALONG THIS FEATURE EACH DAY.

&&

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

&&

11/88
Hazardous weather outlook, Jul 3, 3:59 PM CDT, 5 hours 25 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, 6:47 PM CDT, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
647 PM CDT FRI JUL 3 2015

TXZ007-008-040045-
HUTCHINSON TX-MOORE TX-
647 PM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR EXTREME SOUTHEASTERN MOORE AND
CENTRAL HUTCHINSON COUNTIES UNTIL 745 PM CDT...

AT 646 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 8 MILES EAST OF PRINGLE...OR 18 MILES NORTH OF
BORGER...MOVING SOUTHWEST AT 15 MPH.

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

* LOCATIONS IMPACTED INCLUDE...
  BORGER...             STINNETT...           SANFORD...

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

LAT...LON 3565 10109 3565 10164 3603 10137 3598 10114
TIME...MOT...LOC 2347Z 024DEG 13KT 3591 10132

SCHNEIDER
Special weather statement, Jul 3, 6:55 PM CDT, 2 hours 29 minutes before
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Special weather statement, Jul 3, 7:35 PM CDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
735 PM CDT FRI JUL 3 2015

TXZ006-007-011-012-040130-
HARTLEY TX-MOORE TX-OLDHAM TX-POTTER TX-
735 PM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN POTTER...NORTHEASTERN
OLDHAM...MOORE AND SOUTHEASTERN HARTLEY COUNTIES UNTIL 830 PM CDT...

AT 732 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 9 MILES EAST OF DUMAS...MOVING SOUTHWEST AT 20
MPH.

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

* LOCATIONS IMPACTED INCLUDE...
  DUMAS...              VALLEY DE ORO...      MASTERSON...
  FOUR WAY...

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

LAT...LON 3544 10169 3543 10229 3601 10211 3588 10166
TIME...MOT...LOC 0036Z 035DEG 17KT 3582 10182

SCHNEIDER
Local storm report, Jul 3, 7:41 PM CDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
741 PM CDT FRI JUL 03 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0736 PM     TSTM WND GST     2 N BORGER              35.70N 101.40W
07/03/2015  M67 MPH          HUTCHINSON         TX   ASOS

&&

EVENT NUMBER AMA1500601

KJS
Local storm report, Jul 3, 9:16 PM CDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
916 PM CDT FRI JUL 03 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0908 PM     TSTM WND GST     2 N AMARILLO            35.23N 101.82W
07/03/2015  M61 MPH          POTTER             TX   MESONET

            61 MPH GUST REPORTED AT WONDERLAND SCHOOLNET MESONET

&&

EVENT NUMBER AMA1500602

MJG
Local storm report, Jul 3, 9:21 PM CDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
921 PM CDT FRI JUL 03 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0909 PM     TSTM WND GST     7 SW AMARILLO           35.13N 101.91W
07/03/2015  E65 MPH          RANDALL            TX   PUBLIC

            AT 34TH AVENUE AND BELL STREET

&&

EVENT NUMBER AMA1500603

KJS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 7:26 PM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Hutchinson, Potter, Randall64 min
Jul 3, 7:35 PM CDTSpecial Weather StatementAMAMoore55 min
Jul 3, 8:08 PM CDTAreal Flood AdvisoryAMAHutchinson4 hr
Jul 3, 8:28 PM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Potter, Randall62 min
Jul 3, 9:12 PM CDTAreal Flood AdvisoryAMAPotter4 hr
Jul 3, 9:46 PM CDTFlash Flood WarningAMAPotter, Randall3 hr
Jul 3, 10:07 PM CDTAreal Flood AdvisoryAMADeaf Smith, Oldham4 hr
Jul 3, 10:09 PM CDTSpecial Weather StatementAMAArmstrong66 min
Jul 4, 1:29 AM CDTSpecial Weather StatementAMALipscomb31 min
Jul 4, 12:57 AM CDTSpecial Weather StatementAMABeaver33 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015Every 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.