Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 130, NWS Amarillo, TX

June 22, 2000Deaf Smith County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 22, 2000, 3:39 PM CDT for Deaf Smith County, Texas. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 22, 2000, 3:39 PM CDT (20:39 UTC)
Expired
Jun 22, 2000, 4:15 PM CDT
In force
36 min
Issued by
NWS Amarillo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Deaf Smith County, TX

The radar

The Amarillo radar (KAMA), 66 km from the middle of the area, began a volume at 20:39 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, 8.7 hours before the alert went out and 67 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 12:00Z on 2000-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1601 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 12:00Z on 2000-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.19395878Sfc1 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
1601 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
815 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

830 
WUUS54 KAMA 222040
SVRAMA
TXC117-222115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
339 PM CDT THU JUN 22 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN DEAF SMITH COUNTY IN THE TEXAS PANHANDLE

* UNTIL 415 PM CDT

* AT 337 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES NORTHWEST OF DAWN...OR ABOUT 14 MILES
  SOUTH OF VEGA...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  HEREFORD DAWN

LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER.

LAT...LON 3501 10260 3489 10244 3489 10218 3511 10217
          3519 10235

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 22, 3:00 PM CDT, 39 minutes earlier.

Area forecast discussion, Jun 22, 3:00 PM CDT, 39 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
300 PM CDT THU JUN 22 2000

PLENTY OF DAYTIME HEATING...MOISTURE...INSTABILITY...AND NO CAP
HAVE RESULTED IN EARLY DVLPMT OF TSTMS THIS AFTN OVER NM/SERN CO
AND WRN/CNTRL OK/TX PNHDLS INTO OTHER PARTS OF W TX. WILL USE LAST
MINUTE RADAR INFO TO DECIDE ON VALUES FOR AREAL QUALIFIER POPS.
WILL MORE THAN LIKELY HAVE HIGHEST VALUES OVER WRN/CNTRL ZNS AND
SLIGHTLY LOWER ERN.

12Z ETA/AVN/NGM IN FAIR AGREEMENT THRU 48 HRS WITH OVERALL PATTERN.
DIFFERENCES ARISE IN DEGREE OF AMPLITUDE OF SHORTWAVES RACING ACROSS
NRN US AND IN THE RIDGE JUST TO OUR S. AVN MOST AMPLIFIED WHILE ETA
AND NGM OFFER A FLATTER RIDGE. PREFER A BLEND. THE BOTTOM LINE
APPEARS TO BE ONE OF PERSISTENCE THRU SATURDAY. DAYTIME HEATING...
INSTABILITY...MOISTURE...SFC CONVERGENCE ALONG LEE TROF...PLUS ANY
MINOR DISTURBANCES ROTATING AROUND PERIPHERY OF THE RIDGE AXIS
WARRANTS MAINTAINING THREAT OF TSTMS THRU SATURDAY. WRN ZNS MAY BE
MORE FAVORED THAN ERN ZNS AT TIMES.

IN THE EXTENDED PD...ECMWF/UKMET/MRF/CANADIAN/NOGAPS DIFFER ON
DEGREE OF AMPLIFICATION. HOWEVER...IT DOES APPEAR THAT A CONSENSUS
IS TRYING TO BE REACHED ON WHEN NEXT COLD FRONT WILL AFFECT US.
STILL LOOKS GOOD THAT THE FRONT WOULD LIKELY AFFECT US LATE SAT
NIGHT OR EARLY SUNDAY...AND WILL CONTINUE WITH THAT THEME. CHCS FOR
TSTMS THRU TUE SEEM PLAUSIBLE. ALSO...WE WILL NEED TO WATCH MOISTURE
FROM HRCN CARLOTTA JUST IN CASE SOME OF IT SPINS OFF AND GETS CAUGHT
UP AROUND THE WRN PERIPHERY OF THE RIDGE AS AN ADDED MOISTURE SUPPLY
FOR PARTS OF THE SW US. IN GENERAL...HAVE RETAINED INTEGRITY OF
PREVIOUS FCST PCKG. PRELIM VALUES FOLLOW.

DHT 64/94/64/94  3232
GUY 65/95/65/94  3232
AMA 66/94/66/94  4232

.AMA...
TX...NONE.
OK...NONE.

ANDRADE

In the hours before

Special weather statement, Jun 22, 1:04 PM CDT, 2 hours 35 minutes before
OKZ001>003-TXZ001>020-222200-

TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
104 PM CDT THU JUN 22 2000

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS
AFTERNOON AND TONIGHT OVER THE PANHANDLES. THE MOST LIKELY AREA FOR
THUNDERSTORM DEVELOPMENT IS WEST OF A LINE FROM BEAVER TO BORGER TO
AMARILLO AND CANYON. SOME OF THESE STORMS WILL APPROACH SEVERE LEVELS
LATER THIS AFTERNOON AND EVENING. GUSTY WINDS AND TORRENTIAL RAINS
ARE THE PRIMARY CONCERNS BUT SOME HAIL WILL ALSO BE POSSIBLE.

THIS AFTERNOON...DEEP MOISTURE CONTINUES IN PLACE OVER THE
PANHANDLES. A SURFACE TROUGH IS LOCATED OVER THE EASTERN PLAINS OF
NEW MEXICO. THUNDERSTORMS ARE EXPECTED TO DEVELOP NEAR THE SURFACE
TROUGH MAINLY OVER THE WESTERN ONE HALF OF THE PANHANDLES. WIND
SPEEDS ALOFT ARE ONLY IN THE 5 TO 10 MPH RANGE. ENVIRONMENTAL
STEERING CURRENTS FOR THUNDERSTORMS WILL BE TOWARDS THE EAST OR
NORTHEAST AT SIMILAR SPEEDS.

ACTIVATION FOR STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL MAY
BECOME NECESSARY LATER THIS AFTERNOON AND EARLY EVENING FOR A FEW
STORMS WHICH APPROACH SEVERE LEVELS.

SLATTERY

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000

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.