Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 9, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Jun 21, 2004, 8:01 PM CDT for Potter County, Randall County, Texas. 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 outline as issued.
The facts
- Issued
- Jun 21, 2004, 8:01 PM CDT (01:01 UTC)
- Expired
- Jun 21, 2004, 11:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Amarillo, TX
- Area
- Counties, with a storm outline in the text
Counties Potter County, TX, Randall County, TX
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 1.0 hours before the alert went out and 23 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.
- Mixed-layer CAPE
- 2119 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1225 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KAMA 220103 FFWAMA TXC375-381-220400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AMARILLO TX 801 PM CDT MON JUN 21 2004 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * FLASH FLOOD WARNING FOR... POTTER COUNTY IN THE PANHANDLE OF TEXAS THIS INCLUDES THE CITY OF AMARILLO RANDALL COUNTY IN THE PANHANDLE OF TEXAS THIS INCLUDES THE CITY OF CANYON * UNTIL 1100 PM CDT * AT 756 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER AMARILLO. THE AREA OF HEAVY RAIN WAS MOVING SOUTH AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUFFALO LAKE...BUSHLAND... LAKE TANGLEWOOD...PALO DURO CANYON AND UMBARGER IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. MOTORISTS WILL ENCOUNTER RAPIDLY RISING WATER AT UNDERPASSES... INTERSECTIONS...DRAINAGE DITCHES AND OTHER LOW LYING AREAS. NEVER ATTEMPT TO CROSS FLOWING WATER IN AN AUTOMOBILE OR ON FOOT MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. LAT...LON 3561 10215 3477 10215 3477 10165 3561 10165 $$ KRAMAR/HENNIG
1 follow-up statement
000 WGUS74 KAMA 220258 FFSAMA TXC375-381-220400- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 958 PM CDT MON JUN 21 2004 ...A FLASH FLOOD WARNING CONTINUES FOR POTTER AND RANDALL COUNTIES UNTIL 1100 PM CDT... AT 950 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE VERY HEAVY RAINFALL FROM 25 MILES NORTH OF AMARILLO TO 3 MILES NORTHWEST OF UMBARGER. THE STORMS PRODUCING HEAVY RAINFALL WERE MOVING SOUTHEAST AT 30 MPH...TOWARD CANYON...AMARILLO...LAKE TANGLEWOOD...AND PALO DURO CANYON STATE PARK. THESE THUNDERSTORMS WILL CAUSE ADDITIONAL FLASH FLOODING THROUGH 11 PM. IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. LAT...LON 3561 10216 3477 10216 3476 10164 3562 10163 $$
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:27 PM CDT | Tornado Warning | AMA | Randall | 63 min |
| Jun 21, 7:30 PM CDT | Tornado Warning | AMA | Potter | 60 min |
| Jun 21, 7:43 PM CDT | Severe Thunderstorm Warning | AMA | Moore | 62 min |
| Jun 21, 7:48 PM CDT | Severe Thunderstorm Warning | AMA | Hartley | 57 min |
| Jun 21, 8:27 PM CDT | Tornado Warning | AMA | Randall | 63 min |
| Jun 21, 8:33 PM CDT | Severe Thunderstorm Warning | AMA | Hutchinson | 87 min |
| Jun 21, 8:36 PM CDT | Severe Thunderstorm Warning | AMA | Oldham | 39 min |
| Jun 21, 8:50 PM CDT | Tornado Warning | AMA | Oldham | 40 min |
| Jun 21, 8:51 PM CDT | Severe Thunderstorm Warning | AMA | Sherman | 84 min |
| Jun 21, 8:53 PM CDT | Severe Thunderstorm Warning | AMA | Moore | 97 min |
| Jun 21, 9:00 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong | 60 min |
| Jun 21, 9:18 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 42 min |
| Jun 21, 9:33 PM CDT | Tornado Warning | AMA | Potter | 27 min |
| Jun 21, 9:36 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb | 54 min |
| Jun 21, 9:47 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 73 min |
| Jun 21, 9:59 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 31 min |
| Jun 21, 9:59 PM CDT | Severe Thunderstorm Warning | AMA | Gray | 91 min |
| Jun 21, 10:13 PM CDT | Flash Flood Warning | AMA | Hartley | 3 hr |
| Jun 21, 10:14 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong | 46 min |
Nearby
Flash Flood Warnings in Texas, 2004Every flash flood warning in 2004
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.