Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 4, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Jun 12, 2012, 11:22 PM CDT for Potter County, Randall County, Texas. It was in force for 101 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 12, 2012, 11:22 PM CDT (04:22 UTC)
- Expired
- Jun 13, 2012, 1:03 AM CDT
- In force
- 101 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Potter County, TX, Randall County, TX
The radar
The Amarillo radar (KAMA), 22 km from the middle of the area, began a volume at 04:23 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 11:25 PM CDT | FLASH FLOOD | 7 Sw Amarillo, TX | WATER 1 FOOT DEEP REPORTED AT INTERSECTION OF COULTER AND HOLLYWOOD ROADS |
| Jun 12, 11:25 PM CDT | FLASH FLOOD | Amarillo, TX | |
| Jun 12, 11:38 PM CDT | FLASH FLOOD | Amarillo, TX | AMARILLO POLICE DEPARTMENT CURRENTLY ASSISTING STALLED MOTORISTS DUE TO FLOODING IN 9 DIFFERENT LOCATIONS ACROSS THE CITY |
| Jun 12, 11:45 PM CDT | FLASH FLOOD | Canyon, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 4.4 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
- 628 J/kg
- Mixed-layer CIN
- -263 J/kg
- Mixed-layer LCL
- 1812 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
344 WGUS54 KAMA 130422 FFWAMA TXC375-381-130715- /O.NEW.KAMA.FF.W.0004.120613T0422Z-120613T0715Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AMARILLO TX 1122 PM CDT TUE JUN 12 2012 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN POTTER COUNTY IN THE PANHANDLE OF TEXAS... THIS INCLUDES THE CITY OF AMARILLO... NORTHERN RANDALL COUNTY IN THE PANHANDLE OF TEXAS... THIS INCLUDES THE CITY OF CANYON... * UNTIL 215 AM CDT * AT 1121 PM CDT... LOCAL EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH FLOODING AROUND THE INTERSTATE 40 AND WASHINGTON STREET AREA. THE AMARILLO POLICE DEPARTMENT IS CLOSING DOWN INTERSTATE 40 AND WASHINGTON STREET TEMPORARILY DUE TO FLOODING. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO AMARILLO AND CANYON. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL RESULT IN HIGH WATER LEVELS AT UNDERPASSES ALONG INTERSTATE 40...ESPECIALLY AT THE BELL AND WASHINGTON STREET BRIDGES. MOTORISTS ARE STRONGLY URGED TO REDUCE SPEEDS ON INTERSTATE 40 AND BE PREPARED TO BE DIVERTED OFF THE INTERSTATE SHOULD HIGH WATER BE OBSERVED. TO REPORT FLOODING...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. && LAT...LON 3543 10214 3545 10165 3494 10165 3492 10217 $$ KJS
3 follow-up statements
267 WGUS74 KAMA 130444 FFSAMA FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 1144 PM CDT TUE JUN 12 2012 TXC375-381-130715- /O.CON.KAMA.FF.W.0004.000000T0000Z-120613T0715Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ POTTER TX-RANDALL TX- 1144 PM CDT TUE JUN 12 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR NORTHERN RANDALL AND SOUTHERN POTTER COUNTIES... AT 1138 PM CDT...EMERGENCY MANAGER AND LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT THERE ARE 8 TO 8 LOCATIONS IN AMARILLO WHERE EMERGENCY UNITS ARE WORKING STALLED MOTORISTS IN THE FLASH FLOODING WHICH IS CURRENTLY ONGOING. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BUSHLAND AND AMARILLO THUNDERSTORMS OVER POTTER AND RANDALL COUNTIES WILL PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL RESULT IN HIGH WATER LEVELS AT UNDERPASSES ALONG INTERSTATE 40...ESPECIALLY AT THE BELL AND WASHINGTON STREET BRIDGES. MOTORISTS ARE STRONGLY URGED TO REDUCE SPEEDS ON INTERSTATE 40 AND BE PREPARED TO BE DIVERTED OFF THE INTERSTATE SHOULD HIGH WATER BE OBSERVED. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL RESULT IN FLOODING OF MANY STREETS ACROSS THE CITY OF AMARILLO...ESPECIALLY IN POOR DRAINAGE AREAS. MOTORISTS ARE URGED TO AVOID FLOODED ROADWAYS AS THE HIGH WATER LEVELS...UP TO SEVERAL FEET DEEP IN SOME INSTANCES...MAY CAUSE CARS TO STALL AND POSE A HAZARD TO PUBLIC SAFETY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT WEDNESDAY MORNING FOR CENTRAL TEXAS. && LAT...LON 3543 10214 3545 10165 3494 10165 3492 10217 $$ KJS
952 WGUS74 KAMA 130446 CCA FFSAMA FLASH FLOOD STATEMENT...CORRECTION NATIONAL WEATHER SERVICE AMARILLO TX 1144 PM CDT TUE JUN 12 2012 TXC375-381-130715- /O.CON.KAMA.FF.W.0004.000000T0000Z-120613T0715Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ POTTER TX-RANDALL TX- 1144 PM CDT TUE JUN 12 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR NORTHERN RANDALL AND SOUTHERN POTTER COUNTIES... AT 1138 PM CDT...EMERGENCY MANAGER AND LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT THERE ARE 8 TO 9 LOCATIONS IN AMARILLO WHERE EMERGENCY UNITS ARE WORKING STALLED MOTORISTS IN THE FLASH FLOODING WHICH IS CURRENTLY ONGOING. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BUSHLAND AND AMARILLO THUNDERSTORMS OVER POTTER AND RANDALL COUNTIES WILL PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL RESULT IN HIGH WATER LEVELS AT UNDERPASSES ALONG INTERSTATE 40...ESPECIALLY AT THE BELL AND WASHINGTON STREET BRIDGES. MOTORISTS ARE STRONGLY URGED TO REDUCE SPEEDS ON INTERSTATE 40 AND BE PREPARED TO BE DIVERTED OFF THE INTERSTATE SHOULD HIGH WATER BE OBSERVED. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL RESULT IN FLOODING OF MANY STREETS ACROSS THE CITY OF AMARILLO...ESPECIALLY IN POOR DRAINAGE AREAS. MOTORISTS ARE URGED TO AVOID FLOODED ROADWAYS AS THE HIGH WATER LEVELS...UP TO SEVERAL FEET DEEP IN SOME INSTANCES...MAY CAUSE CARS TO STALL AND POSE A HAZARD TO PUBLIC SAFETY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT WEDNESDAY MORNING FOR CENTRAL TEXAS. && LAT...LON 3543 10214 3545 10165 3494 10165 3492 10217 $$ KJS
350 WGUS74 KAMA 130603 FFSAMA FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 103 AM CDT WED JUN 13 2012 TXC375-381-130612- /O.CAN.KAMA.FF.W.0004.000000T0000Z-120613T0715Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ POTTER TX-RANDALL TX- 103 AM CDT WED JUN 13 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN RANDALL AND SOUTHERN POTTER COUNTIES... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED RAINFALL WAS ENDING ACROSS THE WARNED AREA...AND THE FLASH FLOOD THREAT WAS DIMINISHING. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING IS ENDING. THUS...THE FLASH FLOOD WARNING HAS BEEN CANCELLED. LAT...LON 3543 10214 3545 10165 3494 10165 3492 10217 $$ JACKSON
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 8:35 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Hutchinson, Moore, Sherman | 32 min |
| Jun 12, 9:18 PM CDT | Severe Thunderstorm Warning | AMA | Hartley, Oldham | 57 min |
| Jun 12, 10:08 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham | 67 min |
| Jun 12, 10:47 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Donley, Gray, Hutchinson, Potter and 2 more | 58 min |
| Jun 12, 10:55 PM CDT | Areal Flood Advisory | AMA | Potter, Randall | 3 hr |
| Jun 12, 11:06 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 54 min |
| Jun 12, 11:34 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 36 min |
| Jun 13, 12:09 AM CDT | Areal Flood Advisory | AMA | Armstrong, Carson, Donley, Gray, Hutchinson, Roberts | 3 hr |
| Jun 13, 12:58 AM CDT | Areal Flood Advisory | AMA | Collingsworth, Wheeler | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.