Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 2, NWS Amarillo, TX

June 3, 2003Deaf Smith County, Texas

NWS Amarillo, TX issued this flash flood warning at Jun 3, 2003, 7:25 PM CDT for Deaf Smith County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 3, 2003, 7:25 PM CDT (00:25 UTC)
Expired: Jun 3, 2003, 9:30 PM CDT
In force: 2 hr
Issued by: NWS Amarillo, TX
Area: Counties, with a storm outline in the text

County Deaf Smith County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.4 hours before the alert went out and 95 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 919 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 1137 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 433 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 6.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KAMA 040027
FFWAMA
TXC117-040230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
725 PM CDT TUE JUN 3 2003

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DEAF SMITH COUNTY IN THE PANHANDLE OF TEXAS
  THIS INCLUDES THE CITY OF HEREFORD

* UNTIL 930 PM CDT

* AT 722 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED            
  THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER SOUTHWEST DEAF    
  SMITH COUNTY...NEAR THE TOWN OF BOOTLEG...MOVING EAST AT 20 MPH.

IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF LOW
SPOTS ALONG HIGHWAYS...SMALL CREEKS AND NORMALLY DRY WASHES...AS WELL
AS LOW LYING RANCH LAND.

LAT...LON 3513 10302 3477 10301 3476 10219 3504 10220

$$

2 follow-up statements

000 
WGUS74 KAMA 040131
FFSAMA
TXC117-040230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
828 PM CDT TUE JUN 3 2003

...A FLASH FLOOD WARNING CONTINUES FOR DEAF SMITH COUNTY UNTIL 930 
PM CDT...

AT 828 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE VERY HEAVY RAINFALL. THE STORM PRODUCING HEAVY RAINFALL WAS 
MOVING SLOWLY EASTWARD.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF LOW
SPOTS ALONG HIGHWAYS...SMALL CREEKS AND NORMALLY DRY WASHES...AS WELL
AS LOW LYING RANCH LAND.

LAT...LON 3510 10264 3484 10267 3484 10224 3513 10222

$$

WYNNE

000 
WGUS74 KAMA 040225
FFSAMA
TXC117-040230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
922 PM CDT TUE JUN 3 2003

...A FLASH FLOOD WARNING CONTINUES FOR EAST CENTRAL DEAF SMITH COUNTY
UNTIL 930 PM CDT...

AROUND 9 PM CDT...NATIONAL WEATHER SERVICE SPOTTERS REPORTED WATER 
ACROSS HIGHWAY 385 IN MILO CENTER. 

THE HEAVY RAINFALL HAS COME TO AN END...FLOODING OF LOW LYING AND 
POOR DRAINAGE AREAS WILL CONTINUE.

IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS.

NEVER ATTEMPT TO CROSS FLOWING WATER IN AN AUTOMOBILE OR ON FOOT
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

LAT...LON 3502 10244 3483 10246 3479 10219 3504 10221

$$

WYNNE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 7:39 PM CDT	Tornado Warning	AMA	Deaf Smith	36 min
Jun 3, 8:16 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith	44 min
Jun 3, 8:56 PM CDT	Severe Thunderstorm Warning	AMA	Randall	64 min
Jun 4, 2:45 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	60 min
Jun 4, 3:18 PM CDT	Tornado Warning	AMA	Dallam	57 min
Jun 4, 4:12 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	63 min
Jun 4, 5:25 PM CDT	Severe Thunderstorm Warning	AMA	Hartley	80 min
Jun 4, 6:13 PM CDT	Severe Thunderstorm Warning	AMA	Oldham	62 min

Nearby

Flash Flood Warnings in Texas, 2003 Every flash flood warning in 2003

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.