Alert archive / Oklahoma / Flash Flood Warnings in 2000

Flash Flood Warning 11, NWS Amarillo, TX

June 10, 2000Texas County, Oklahoma

NWS Amarillo, TX issued this flash flood warning at Jun 10, 2000, 6:15 PM CDT for Texas County, Oklahoma. It was in force for 3 hr. 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 10, 2000, 6:15 PM CDT (23:15 UTC)
Expired
Jun 10, 2000, 9:15 PM CDT
In force
3 hr
Issued by
NWS Amarillo, TX
Area
Whole counties

County Texas County, OK

The radar

The Amarillo radar (KAMA), 170 km from the middle of the area, began a volume at 23:17 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, 11.3 hours before the alert went out and 170 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 2000-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2000-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 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
277 J/kg
Mixed-layer CIN
-252 J/kg
Mixed-layer LCL
1366 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
295 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 
WGUS54 KAMA 102316
FFWAMA
OKC139-110215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
615 PM CDT SAT JUN 10 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN TEXAS COUNTY IN THE OKLAHOMA PANHANDLE

* UNTIL 915 PM CDT

* WEATHER SERVICE RADAR INDICATES THUNDERSTORMS PRODUCING VERY HEAVY 
  RAINFALL ACROSS THE EASTERN HALF OF TEXAS COUNTY.  THESE           
  HEAVY RAIN PRODUCING THUNDERSTORMS WERE MOVING EAST AT 10 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...
  TYRONE...OPTIMA...HOUGH...HOOKER...HARDESTY...GUYMON...BAKER AND
  ADAMS

DO NOT DRIVE ACROSS FLOODED ROADWAYS. MOST FLASH FLOOD DEATHS OCCUR
IN AUTOMOBILES.

MOTORISTS WILL ENCOUNTER RAPIDLY RISING WATER IN UNDERPASSES...
INTERSECTIONS AND OTHER FLOOD PRONE AREAS. DO NOT DRIVE ACROSS
FLOODED ROADWAYS!

EXCESSIVE RUNOFF WILL INUNDATE ROADS AND FARM AND RANCH LAND. DO NOT
DRIVE ACROSS FLOODED ROADWAYS! NEVER ATTEMPT TO CROSS FLOWING WATER
IN A CAR OR ON FOOT.

GOEHRING

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 10, 3:15 PM CDT, 3 hours earlier.

Area forecast discussion, Jun 10, 3:15 PM CDT, 3 hours before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT SAT JUN 10 2000

LN OF TRW DVLPG RAPIDLY ATTM ALG A GUY-DHT-N OF TCC LN.  18Z SFC
ANALYSIS REVEALED LOW NR GUY...WITH TROF/DRYLN EXTDG SW TO NW OF
TCC...THEN SWD TO NR ROW-INK-FST.  SAME TROF EXTDS NEWD FM LOW TO NR
DDC-RSL.  INFLOW TO THIS BNDRY HAS MID-60S DWPTS OVR PNHDLS...
ALLOWING FOR STG MSTR FLUX CNVGNC.  GOES LI/S FM 19Z INDC AXIS OF -11
TO -14 LI/S LYING TO SE OF BNDRY.  WL CALL FOR SCT TRW ALL SXNS
TNGT...XCPT FOR WRN 1/3 OF OKLA PNHDL WHICH IS N OF BNDRY.  WL ALSO
MENTION LCLY HVY RAIN OVR MOST SXNS.  LITTLE CHANGE IN WX PAT EXPCD
SUN THRU WED...AS DEEP MSTR EXPCD TO RMN IN PLACE.  THUS WL CONT CHC
TRW SUN THRU WED.  CDFNT TUE NGT MAY BRING END TO PCPN ON WED AFT
POST-FNTL UPSLP FLOW DMSHS.  DRIER AIR MOVS INTO AREA ON THU...SO NO
POPS IN DAY 5.  03

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

COCKRELL

In the hours before

Special weather statement, Jun 10, 1:05 PM CDT, 5 hours 10 minutes before
OKZ001>003-TXZ001>020-102300-

TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
105 PM CDT SAT JUN 10 2000

SCATTERED THUNDERSTORMS ARE POSSIBLE ACROSS MUCH OF THE TEXAS AND
OKLAHOMA PANHANDLES THIS AFTERNOON AND EVENING WITH THE POTENTIAL
FOR A FEW SEVERE STORMS.

AS OF NOON...A WEAK STATIONARY FRONT STRETCHED FROM NORTHEASTERN NEW
MEXICO...JUST NORTH OF TUCUMCARI...TO SOUTHWESTERN KANSAS...JUST
NORTH OF LIBERAL. MEANWHILE...AN UPPER-LEVEL DISTURBANCE WAS OVER
SOUTHWESTERN NEW MEXICO MOVING NORTHEAST.

BY MID-AFTERNOON...THUNDERSTORMS ARE EXPECTED TO DEVELOP IN THE
VICINITY OF THE FRONT AS THE MOIST AIR MASS ALONG AND TO THE SOUTH
OF THE FRONT BECOMES MODERATELY UNSTABLE. FURTHERMORE...DUE TO THE
APPROACH OF THE UPPER-LEVEL DISTURBANCE...MID AND UPPER-LEVEL WINDS
WILL STRENGTHEN AND INTERACT WITH THE MODERATE INSTABILITY TO
PROVIDE AN ENVIRONMENT FOR A FEW SEVERE STORMS. THE PRIMARY SEVERE
WEATHER THREAT WILL BE STRONG STRAIGHT-LINE WINDS AND LARGE HAIL.
THEREFORE...SPOTTERS AND AREA EMERGENCY MANAGEMENT PERSONNEL SHOULD
REMAIN ALERT FOR POSSIBLE ACTIVATION.

JH

Nearby

Flash Flood Warnings in Oklahoma, 2000Every flash flood 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.