Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 126, NWS Amarillo, TX

June 21, 2000Ochiltree County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 21, 2000, 1:46 AM CDT for Ochiltree County, Texas. It was in force for 29 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 21, 2000, 1:46 AM CDT (06:46 UTC)
Expired
Jun 21, 2000, 2:15 AM CDT
In force
29 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Ochiltree County, TX

The radar

The Amarillo radar (KAMA), 141 km from the middle of the area, began a volume at 06:48 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 was reported inside it

TimeReportWhereRemark
Jun 21, 1:48 AM CDTThunderstorm Wind 61 EPerryton, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 20, 11:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.8 hours before the alert went out and 141 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 2000-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 337 joules per kilogram.LCLEL10008507005003002001001 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 2000-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
337 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
3019 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KAMA 210647
SVRAMA
TXC357-210715-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
146 AM CDT WED JUN 21 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN OCHILTREE COUNTY IN THE TEXAS PANHANDLE

* UNTIL 215 AM CDT

* AT 146 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTH OF PERRYTON...MOVING EAST AT 50
  MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  PERRYTON.

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE HAIL. 
GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS. VERY 
SMALL...BRIEF...BUTY DANGEROUS TORNADOES ARE POSSIBLE WITH THIS STORM.

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 20, 10:08 PM CDT, 3 hours 38 minutes earlier.

Area forecast discussion, Jun 20, 10:08 PM CDT, 3 hours 38 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
1008 PM CDT TUE JUN 20 2000

WL LEAVE POPS ALONE FOR NOW. STRONG CONVECTION ORGANIZING IN SE CO
AND NE NM. FURTHER E...CONVECTION STRUGGLING IN MOST UNSTABLE AIR
WHERE LONE STORM HAS MOVED S OF FA. ADDITIONAL STORMS IN SRN KS VERY
SLOWLY BUILDING W ALSO. LATEST ETA/00Z RUC SHOWING THESE AREAS
MERGING AFT MIDNIGHT WITH CONVECTION ENDING UP WHERE HIGHEST
POPS EXIST IN NE ZNS.

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

COBB

In the hours before

Special weather statement, Jun 20, 7:51 PM CDT, 5 hours 55 minutes before
OKZ002-003-TXZ002>005-007>015-017>020-210600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
751 PM CDT TUE JUN 20 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED A PORTION OF
SEVERE THUNDERSTORM WATCH 472. COUNTIES CLEARED INCLUDE:

IN THE TEXAS PANHANDLE:
OLDHAM...

OLDHAM COUNTY WAS NOT INTENDED TO BE INCLUDED IN THE WATCH.

SEVERE THUNDERSTORM WATCH 472 REMAINS VALID UNTIL 100 AM CDT
WEDNESDAY FOR THE FOLLOWING COUNTIES:

IN THE OKLAHOMA PANHANDLE:
TEXAS...BEAVER...

IN THE TEXAS PANHANDLE:
SHERMAN...HANSFORD...OCHILTREE...POTTER...LIPSCOMB...MOORE...
HUTCHINSON...ROBERTS...HEMPHILL...CARSON...GRAY...WHEELER...
RANDALL...ARMSTRONG...DONLEY...COLLINGSWORTH...

SC
Local storm report, Jun 20, 9:59 PM CDT, 3 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
959 PM CDT TUE JUN 20 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0900 PM    6 S CLARENDON             TX   60 MPH TSTM GUST
06/20/00   DONLEY                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

PINSON/WOLTERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:43 PM CDTSevere Thunderstorm WarningAMADonley62 min
Jun 20, 11:16 PM CDTSevere Thunderstorm WarningAMADallam59 min
Jun 21, 2:06 AM CDTSevere Thunderstorm WarningAMALipscomb39 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.