Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 140, NWS Amarillo, TX

August 21, 2014Hansford County, Ochiltree County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 21, 2014, 6:09 PM CDT for Hansford County, Ochiltree County, Texas. It was in force for 66 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
Aug 21, 2014, 6:09 PM CDT (23:09 UTC)
Expired
Aug 21, 2014, 7:15 PM CDT
In force
66 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon

Counties Hansford County, TX, Ochiltree County, TX

The radar

The Amarillo radar (KAMA), 129 km from the middle of the area, began a volume at 23:10 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.

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 Aug 21, 3:48 PM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, Aug 21, 3:48 PM CDT, 2 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
348 PM CDT THU AUG 21 2014

.SHORT TERM...TONIGHT AND FRIDAY
AFTERNOON WATER VAPOR SATELLITE IMAGERY SHOWS THE PLUME OF MONSOONAL
MOISTURE OVER THE PANHANDLES AND SIMILAR TO THE PAST COUPLE OF
DAYS...THE POSITION OF A SURFACE TROUGH FROM AROUND GUYMON TO DALHART
WILL HELP TO TRIGGER ISOLATED SHOWERS AND THUNDERSTORMS LATE THIS
AFTERNOON/EVENING. STRONG DIURNAL HEATING WILL CONTRIBUTE TO THE
LIFT NECESSARY TO GENERATE THESE STORMS SO EXPECT ANY STORMS TO
DIMINISH AFTER SUNSET. THIS IS ALSO REFLECTED IN THE SEVERAL OF THE
HIGH RES MODELS. WEAK SHEAR AND UPPER DYNAMICS WILL GREATLY LIMIT THE
SEVERE POTENTIAL OF THESE STORMS BUT CANNOT RULE OUT A STRONG WIND
GUST WITH THE STRONGER STORMS GIVEN THE DRY SUB CLOUD LAYER. OTHERWISE
EXPECT ANOTHER MILD NIGHT ACROSS THE PANHANDLES WITH LOWS RANGING
FROM THE MID 60S TO THE LOWER 70S.

FRIDAY LOOKS TO BE PRETTY MUCH OF A REPEAT OF TODAY WITH THE AREA
REMAINING UNDER THE INFLUENCE OF SOUTHWEST UPPER FLOW WITH THE UPPER
RIDGE OVER THE SOUTHEASTERN U.S AND MEAN UPPER TROUGHING OVER THE
PACIFIC NORTHWEST. THE SURFACE TROUGH AXIS WILL REMAIN OVER THE AREA
AND WITH THE MOISTURE PLUME OVERHEAD AND ABOVE NORMAL TEMPS ONCE
AGAIN CLIMBING WELL INTO THE 90S...EXPECT SHOWERS AND THUNDERSTORMS TO
DEVELOP IN THE AFTERNOON. THIS TIME A MID-LEVEL UPPER TROUGH WILL
LIFT NORTHEAST OUT OF SOUTHERN CA. THIS WILL PROVIDE A LITTLE BETTER
LIFT FOR STORM DEVELOPMENT LATE IN THE AFTERNOON AND EVENING. STORMS
COVERAGE WILL BE FURTHER TO THE EAST AND CONTINUE AFTER SUNSET.

.LONG TERM...SATURDAY THROUGH WEDNESDAY
HAVE NOT MADE TOO MANY CHANGES TO THE EXTENDED FORECAST AS THE UPPER
PATTERN WILL REMAIN NEARLY THE SAME...WITH THE UPPER RIDGE REMAINING
WELL EAST OF THE AREA AND UPPER TROUGHING OVER THE WESTERN CONUS. THE
UPPER TROUGH WILL LIFT ACROSS THE NORTHERN ROCKIES AND THE NORTHERN
PLAINS TOWARD SUNDAY. A WEAK COLD FRONT ASSOCIATED WITH THIS SYSTEM
WILL PUSH SOUTH...BUT LOOKS TO STALL NORTH OF THE AMA CWA. THE
SOUTHERN EXTENSION OF THIS UPPER TROUGH WILL GRADUALLY MOVE ACROSS
THE CENTRAL PLAINS BY AROUND MIDWEEK. THIS WILL PUSH A STRONGER COLD
FRONT THROUGH THE AREA BY AROUND WEDNESDAY. BEFORE THIS
OCCURS...MONSOONAL MOISTURE REMAINING OVERHEAD AND THE PRESENCE OF A
SURFACE TROUGH WILL MAINTAIN LOW CHANCE THUNDERSTORM CHANCES OVER THE
WEEKEND AND EARLY IN THE NEW WORK WEEK. COOLER TEMPS ALONG WITH AN
INCREASE IN PRECIP CHANCES MAY ACCOMPANY THIS FRONT.

CLK

&&

.PRELIMINARY POINT TEMPS/POPS...
AMARILLO TX                69  93  65  91  66 /  20  20  20  20  20
BEAVER OK                  72 100  68 100  68 /  20  20  20  20  20
BOISE CITY OK              67  94  64  92  62 /  20  20  30  10  20
BORGER TX                  74  97  70  95  71 /  20  20  20  20  20
BOYS RANCH TX              69  97  67  94  66 /  20  20  20  20  20
CANYON TX                  68  93  64  92  65 /  20  20  20  20  20
CLARENDON TX               72  96  67  94  67 /  20  10  20  20  20
DALHART TX                 66  93  63  91  62 /  20  20  30  20  20
GUYMON OK                  70  97  66  97  66 /  20  20  30  20  20
HEREFORD TX                66  91  62  90  63 /  20  20  20  20  20
LIPSCOMB TX                72  99  69  96  70 /  20  10  20  20  20
PAMPA TX                   70  95  66  93  68 /  20  20  20  20  20
SHAMROCK TX                72  96  68  95  69 /  20  10  10  20  20
WELLINGTON TX              72  99  68  96  68 /  20  10  10  20  20

&&

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

&&

CLK/JDJ
Hazardous weather outlook, Aug 21, 2:50 PM CDT, 3 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
250 PM CDT THU AUG 21 2014

OKZ001>003-TXZ001>020-221100-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
250 PM CDT THU AUG 21 2014

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

.DAY ONE...TONIGHT.

ISOLATED THUNDERSTORMS ARE EXPECTED THIS EVENING ACROSS ALL OF THE
TEXAS AND OKLAHOMA PANHANDLES. THESE STORMS ARE NOT EXPECTED TO
BECOME SEVERE...HOWEVER BRIEF WIND GUSTS TO AROUND 50 MPH WILL BE
POSSIBLE WITH THE STRONGEST STORMS.

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

LOW THUNDERSTORM CHANCES WILL EXIST ACROSS THE MAJORITY OF THE
TEXAS AND OKLAHOMA PANHANDLES FRIDAY THROUGH WEDNESDAY. NO WIDESPREAD
OR ORGANIZED SEVERE WEATHER IS EXPECTED...BUT A FEW STORMS COULD
BECOME STRONG TO MARGINALLY SEVERE WITH BRIEF WIND GUSTS UP TO 60 MPH
...SMALL HAIL...AND LOCALLY HEAVY RAIN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

CLK

In the hours before

Special weather statement, Aug 21, 3:36 PM CDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
336 PM CDT THU AUG 21 2014

TXZ006-011-212115-
HARTLEY TX-OLDHAM TX-
336 PM CDT THU AUG 21 2014

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN OLDHAM AND SOUTHEASTERN
HARTLEY COUNTIES UNTIL 415 PM CDT...

AT 334 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 11 MILES SOUTHWEST OF BOYS RANCH...OR 11 MILES
NORTH OF VEGA...MOVING NORTHEAST AT 15 MPH.

WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  BOYS RANCH...

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

LAT...LON 3580 10219 3578 10216 3577 10217 3544 10216
      3527 10234 3547 10258
TIME...MOT...LOC 2037Z 228DEG 17KT 3541 10237

JACKSON
Special weather statement, Aug 21, 4:09 PM CDT, 2 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
409 PM CDT THU AUG 21 2014

TXZ002-006>008-011-012-212200-
HARTLEY TX-HUTCHINSON TX-MOORE TX-OLDHAM TX-POTTER TX-SHERMAN TX-
409 PM CDT THU AUG 21 2014

...SIGNIFICANT WEATHER ADVISORY FOR EXTREME SOUTHWESTERN SHERMAN...
NORTHWESTERN POTTER...EASTERN OLDHAM...MOORE...EXTREME WESTERN
HUTCHINSON AND SOUTHEASTERN HARTLEY COUNTIES UNTIL 500 PM CDT...

AT 407 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 9 MILES WEST OF MASTERSON...OR 19 MILES SOUTHWEST
OF DUMAS...MOVING NORTHEAST 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...
  DUMAS...              VALLEY DE ORO...      BOYS RANCH...
  MASTERSON...          FOUR WAY...           CHANNING...

STRONG WINDS WITH THIS STORM WILL OCCUR WITH VERY LITTLE RAIN. EVEN
THOUGH IT MAY NOT RAIN...STRONG WINDS AND EVEN BLOWING DUST ARE
EXPECTED.

LAT...LON 3606 10207 3575 10161 3523 10229 3548 10261
TIME...MOT...LOC 2109Z 231DEG 13KT 3563 10212

MOULTON
Special weather statement, Aug 21, 4:45 PM CDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
445 PM CDT THU AUG 21 2014

TXZ002-003-007-008-212230-
HANSFORD TX-HUTCHINSON TX-MOORE TX-SHERMAN TX-
445 PM CDT THU AUG 21 2014

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN SHERMAN...NORTHEASTERN
MOORE...NORTHWESTERN HUTCHINSON AND SOUTHERN HANSFORD COUNTIES UNTIL
530 PM CDT...

AT 444 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 2 MILES EAST OF SUNRAY...OR 15 MILES NORTHEAST OF
DUMAS...MOVING NORTHEAST AT 20 MPH.

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

* LOCATIONS IMPACTED INCLUDE...
  SUNRAY...             CACTUS...             PRINGLE...
  MORSE...              GRUVER...

STRONG WINDS WITH THIS STORM WILL OCCUR WITH VERY LITTLE RAIN. EVEN
THOUGH IT MAY NOT RAIN...STRONG WINDS AND EVEN BLOWING DUST ARE
EXPECTED.

LAT...LON 3647 10166 3616 10119 3574 10165 3604 10208
TIME...MOT...LOC 2145Z 215DEG 15KT 3603 10178

MOULTON
Special weather statement, Aug 21, 4:55 PM CDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
455 PM CDT THU AUG 21 2014

TXZ006-007-011-012-212245-
HARTLEY TX-MOORE TX-OLDHAM TX-POTTER TX-
455 PM CDT THU AUG 21 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN POTTER...EASTERN
OLDHAM...SOUTHWESTERN MOORE AND SOUTHEASTERN HARTLEY COUNTIES UNTIL
545 PM CDT...

AT 453 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 9 MILES SOUTHWEST OF BOYS RANCH...OR 14 MILES
NORTH OF VEGA...MOVING NORTHEAST 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...
  VEGA...               VALLEY DE ORO...      BOYS RANCH...
  ADRIAN...             MASTERSON...          FOUR WAY...
  CHANNING...

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 16 AND 44.

STRONG WINDS WITH THIS STORM WILL OCCUR WITH VERY LITTLE RAIN. EVEN
THOUGH IT MAY NOT RAIN...STRONG WINDS AND EVEN BLOWING DUST ARE
EXPECTED.

LAT...LON 3592 10221 3564 10177 3520 10233 3526 10284
TIME...MOT...LOC 2155Z 219DEG 12KT 3545 10238

MOULTON
Special weather statement, Aug 21, 5:39 PM CDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
539 PM CDT THU AUG 21 2014

OKZ002-003-TXZ002>004-007>009-212330-
BEAVER OK-HANSFORD TX-HUTCHINSON TX-MOORE TX-OCHILTREE TX-ROBERTS
TX-SHERMAN TX-TEXAS OK-
539 PM CDT THU AUG 21 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN SHERMAN...EXTREME
NORTHWESTERN ROBERTS...WESTERN OCHILTREE...NORTHEASTERN MOORE...
NORTHERN HUTCHINSON...HANSFORD...EXTREME SOUTHWESTERN BEAVER AND
EXTREME SOUTHEASTERN TEXAS COUNTIES UNTIL 630 PM CDT...

AT 538 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 8 MILES NORTHEAST OF MORSE...OR 10 MILES
SOUTHWEST OF SPEARMAN...MOVING NORTHEAST AT 15 MPH.

HAIL UP TO ONE HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  SPEARMAN...           PRINGLE...            WAKA...
  FARNSWORTH...         MORSE...              GRUVER...

STRONG WINDS WITH THIS STORM WILL OCCUR WITH VERY LITTLE RAIN. EVEN
THOUGH IT MAY NOT RAIN...STRONG WINDS AND EVEN BLOWING DUST ARE
EXPECTED.

LAT...LON 3651 10137 3650 10077 3587 10117 3603 10180
TIME...MOT...LOC 2239Z 220DEG 14KT 3612 10135

MOULTON
Local storm report, Aug 21, 5:48 PM CDT, 21 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 3:36 PM CDTSpecial Weather StatementAMAOldham39 min
Aug 21, 4:09 PM CDTSpecial Weather StatementAMAMoore51 min
Aug 21, 4:45 PM CDTSpecial Weather StatementAMASherman45 min
Aug 21, 4:55 PM CDTSpecial Weather StatementAMAOldham50 min
Aug 21, 5:09 PM CDTAreal Flood AdvisoryAMAOldham3 hr
Aug 21, 5:39 PM CDTSpecial Weather StatementAMAHansford51 min
Aug 21, 6:39 PM CDTSpecial Weather StatementAMABeaver66 min

Nearby

Severe Thunderstorm Warnings in Texas, 2014Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.