Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 75, NWS Amarillo, TX

June 7, 2013Hansford County, Ochiltree County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 7, 2013, 3:09 PM CDT for Hansford County, Ochiltree County, Texas. It was in force for 51 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 7, 2013, 3:09 PM CDT (20:09 UTC)
Expired
Jun 7, 2013, 4:00 PM CDT
In force
51 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 20:10 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 7, 3:09 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 8.2 hours before the alert went out and 196 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, Dodge City, at 12:00Z on 2013-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Dodge City, at 12:00Z on 2013-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1647 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 7, 2:52 PM CDT, 17 minutes earlier.

Area forecast discussion, Jun 7, 2:52 PM CDT, 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
252 PM CDT FRI JUN 7 2013

.DISCUSSION...
ACTIVE NORTHWESTERLY FLOW PATTERN THROUGH SATURDAY AND SATURDAY NIGHT
AS SHORTWAVES CONTINUE TO TRACK SOUTHEAST OUT OF THE CENTRAL AND
SOUTHERN ROCKIES AND MOIST UNSTABLE AIR MASS ACROSS THE PANHANDLES.
CONVECTION EXPECTED TO BE CONFINED TO MAINLY THE AFTERNOON AND
EVENING HOURS THROUGH SATURDAY. UPPER HIGH BUILDS IN FROM THE WEST
NEXT WEEK ACROSS THE FOUR CORNERS REGION SUNDAY...AND THEN ACROSS THE
SOUTHERN ROCKIES AND WEST TEXAS MONDAY THROUGH FRIDAY. CANNOT RULE
OUT POSSIBLE CONVECTION MONDAY AND MONDAY NIGHT AS SHORTWAVE ENERGY
TRACKS AROUND THE NORTHERN PERIPHERY OF THE UPPER HIGH...HOWEVER
CONFIDENCE TOO LOW TO MENTION AT THIS TIME. WILL CONTINUE TO MONITOR
CLOSELY. OTHERWISE...HOT AND DRY CONDITIONS NEXT WEEK THROUGH FRIDAY.

SCHNEIDER

&&

.FIRE WEATHER...
NO ELEVATED OR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THROUGH
THIS WEEKEND. ALTHOUGH ELEVATED FIRE WEATHER CONDITIONS WILL BE
POSSIBLE EITHER MONDAY OR TUESDAY OR BOTH DAYS BASED ON POSSIBLE 20
FOOT WINDS OF 15 TO 20 MPH WITH HIGHER GUSTS AND MINIMUM AFTERNOON
RELATIVE HUMIDITIES OF 20 PERCENT OR LESS...ANY ELEVATED FIRE WEATHER
CONDITIONS WILL BE CONDITIONAL AND BASED ON FORECAST FIRE DANGER
RATING. WILL HOLD OFF MENTIONING IN THE FIRE WEATHER PRODUCTS AT THIS
TIME DUE TO LOW CONFIDENCE AND CONDITIONAL NATURE OF POSSIBLE EVENT.

SCHNEIDER

&&

.PRELIMINARY POINT TEMPS/POPS...
AMARILLO TX                60  88  63  92  67 /  40  20  40  10   5
BEAVER OK                  58  90  64  93  68 /  20  30  50  10   5
BOISE CITY OK              59  89  61  92  65 /  30  20  20   0   5
BORGER TX                  63  89  68  95  71 /  40  30  40  10   5
BOYS RANCH TX              62  91  65  97  68 /  50  30  30   0   5
CANYON TX                  60  88  63  93  66 /  40  20  30   5   5
CLARENDON TX               61  88  65  92  69 /  30  20  40  10   5
DALHART TX                 58  89  60  93  64 /  50  20  20   0   5
GUYMON OK                  58  91  63  95  67 /  30  30  30  10   5
HEREFORD TX                59  90  62  92  65 /  50  20  30   0   5
LIPSCOMB TX                62  88  63  91  68 /  20  30  50  10   5
PAMPA TX                   58  88  65  91  68 /  30  30  50  10   5
SHAMROCK TX                62  87  66  92  69 /  20  20  50  10   5
WELLINGTON TX              61  90  69  94  69 /  20  20  50  10   5

&&

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

&&

13/11
Hazardous weather outlook, Jun 7, 10:25 AM CDT, 4 hours 44 minutes before
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In the hours before

Special weather statement, Jun 7, 2:28 PM CDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
228 PM CDT FRI JUN 7 2013

TXZ003-004-072000-
HANSFORD TX-OCHILTREE TX-
228 PM CDT FRI JUN 7 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN OCHILTREE AND
SOUTHEASTERN HANSFORD COUNTIES UNTIL 300 PM CDT...

AT 224 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 5 MILES SOUTHEAST OF GRUVER...OR 8 MILES WEST OF
SPEARMAN...MOVING EAST AT 25 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...           WAKA...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS... AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3628 10097 3607 10102 3612 10144 3632 10137
TIME...MOT...LOC 1928Z 279DEG 23KT 3621 10131

JACKSON
Special weather statement, Jun 7, 3:00 PM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
300 PM CDT FRI JUN 7 2013

TXZ003-004-072030-
HANSFORD TX-OCHILTREE TX-
300 PM CDT FRI JUN 7 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN OCHILTREE AND
SOUTHEASTERN HANSFORD COUNTIES UNTIL 330 PM CDT...

AT 258 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 4 MILES NORTH OF SPEARMAN...MOVING SOUTHEAST AT
20 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...           WAKA...               FARNSWORTH...

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

LAT...LON 3630 10081 3607 10089 3607 10129 3639 10118
TIME...MOT...LOC 2000Z 297DEG 17KT 3625 10117

JACKSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 2:28 PM CDTSpecial Weather StatementAMAHansford32 min
Jun 7, 3:00 PM CDTSpecial Weather StatementAMAOchiltree30 min
Jun 7, 3:47 PM CDTSpecial Weather StatementAMAOchiltree28 min
Jun 7, 3:53 PM CDTSpecial Weather StatementAMAHansford52 min
Jun 7, 4:13 PM CDTSpecial Weather StatementAMAOchiltree47 min
Jun 7, 4:49 PM CDTSpecial Weather StatementAMARoberts56 min
Jun 7, 5:05 PM CDTAreal Flood AdvisoryAMAHansford, Hutchinson3 hr
Jun 7, 5:07 PM CDTSevere Thunderstorm WarningAMADallam53 min
Jun 7, 5:54 PM CDTSevere Thunderstorm WarningAMADallam66 min
Jun 7, 6:06 PM CDTSpecial Weather StatementAMASherman39 min
Jun 7, 6:26 PM CDTSpecial Weather StatementAMAHutchinson49 min
Jun 7, 6:37 PM CDTSpecial Weather StatementAMAHansford38 min
Jun 7, 6:51 PM CDTSevere Thunderstorm WarningAMAHutchinson, Roberts39 min
Jun 7, 3:30 PM CDTSpecial Weather StatementAMACimarron45 min
Jun 7, 4:20 PM CDTSpecial Weather StatementAMACimarron55 min
Jun 7, 6:15 PM CDTAreal Flood AdvisoryAMACimarron3 hr
Jun 7, 6:47 PM CDTSpecial Weather StatementAMATexas43 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Every 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.