Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 174, NWS Amarillo, TX

October 31, 2000Hutchinson County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Oct 31, 2000, 5:11 PM CST for Hutchinson County, Texas. It was in force for 64 min. 1 report came from 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, with what was reported inside it.

The facts

Issued
Oct 31, 2000, 5:11 PM CST (23:11 UTC)
Expired
Oct 31, 2000, 6:15 PM CST
In force
64 min
Issued by
NWS Amarillo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Hutchinson County, TX

The radar

The Amarillo radar (KAMA), 76 km from the middle of the area, began a volume at 23:13 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
Oct 31, 5:15 PM CSTHail 0.88Stinnett, 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
Oct 31, 2:30 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.2 hours before the alert went out and 250 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 2000-10-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 377 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, Dodge City, at 12:00Z on 2000-10-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.1939587897Sfc1 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
377 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
75 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.

000 
WUUS54 KAMA 312312
SVRAMA
TXC233-010015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
511 PM CST TUE OCT 31 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN HUTCHINSON COUNTY IN THE TEXAS PANHANDLE

* UNTIL 615 PM CST

* AT 511 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM 10 MILES WEST OF PRINGLE...MOVING NORTHEAST AT 
  40 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  PRINGLE AND STINNETT

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

A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. GO INSIDE A STURDY 
BUILDING AND STAY AWAY FROM WINDOWS.

LAT...LON 3576 10160 3578 10113 3604 10113 3604 10160

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 Oct 31, 2:10 PM CST, 3 hours 1 minute earlier.

Area forecast discussion, Oct 31, 2:10 PM CST, 3 hours 1 minute before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
210 PM CST TUE OCT 31 2000

THE STRONG CLOSED LOW CONTINUES TO MARCH EASTWARD OVER THE FOUR
CORNERS REGION TODAY. DEEP MOISTURE CONTINUES TO STREAM INTO THE FA
ESPECIALLY IN THE EAST. A SURFACE TROUGH IS DEEPENING IN EASTERN CO
AND A STRONG JET OVER THE REGION WITH DEEP LAYER SHEAR IS INCREASING
OVER THE PANHANDLES. MODERATE INSTABILITY WILL BE IN PLACE ESPECIALLY
OVER EASTERN ZONES. THE FRONT WILL ALSO MOVE ACROSS THE CWA THIS
AFTERNOON/EVENING AND WILL ALSO SUBSTANTIALLY AID IN THE LIFT FOR
STORMS. ALSO A SHORTWAVE TROUGH APPEARS TO BE OVER WRN NM. AS THIS
SHORTWAVE TROUGH WILL SWINGS NEWD IT WILL ADD SUFFICIENT DYNAMICS TO
HELP TRIGGERED THUNDERSTORMS LATER THIS AFTERNOON/EVENING. EVEN THE
SURFACE HEATING IS ADDING TO THE INSTABILITY...EVERYTHING LOOKS GOOD
FOR STRONG TO SEVERE WEATHER.

NO BIG CHANGES PLANED FOR LATER PERIODS. WILL ADJUST TEMPS
SLIGHTLY...OTHERWISE DRIER CONDITIONS WILL MOVE INTO THE PANHANDLES
WEDNESDAY. THE NEXT COLD FRONT MOVES IN TO THE FA THURSDAY MORNING.
THE NEXT STORM SYSTEM WILL BRING MORE SHOWERS AND THUNDERSTORMS
STARTING LATER FRIDAY THROUGH SUNDAY.

SOME PRELIMINARY NUMBERS...
AMA BU 039/063 035/058 035 500
DHT BU 037/061 031/056 031 400

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

DIPASQUALE

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 31, 4:20 PM CSTSevere Thunderstorm WarningAMAMoore, Potter55 min
Oct 31, 4:45 PM CSTSevere Thunderstorm WarningAMAHansford60 min
Oct 31, 5:29 PM CSTSevere Thunderstorm WarningAMAPotter61 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.