Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 4, NWS Amarillo, TX

May 22, 2016Donley County, Gray County, Texas

NWS Amarillo, TX issued this flash flood warning at May 22, 2016, 5:10 PM CDT for Donley County, Gray County, Texas. It was in force for 3 hr. 1 report 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: May 22, 2016, 5:10 PM CDT (22:10 UTC)
Expired: May 22, 2016, 8:15 PM CDT
In force: 3 hr
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Flood severity: None

Counties Donley County, TX, Gray County, TX

The radar

The Amarillo radar (KAMA), 70 km from the middle of the area, began a volume at 22:11 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
May 22, 6:13 PM CDT	FLASH FLOOD	6 Wsw Lake Mcclellan, TX	SHERIFFS DEPUTY REPORTING FLASH FLOOD IN PROGRESS ALONG TX HIGHWAY 70.

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 12:00Z, 10.2 hours before the alert went out and 69 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: 1488 J/kg
Mixed-layer CIN: -215 J/kg
Mixed-layer LCL: 1139 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

464 
WGUS54 KAMA 222210
FFWAMA
TXC129-179-230115-
/O.NEW.KAMA.FF.W.0004.160522T2210Z-160523T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
510 PM CDT SUN MAY 22 2016

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN GRAY COUNTY IN THE PANHANDLE OF TEXAS...
  NORTHWESTERN DONLEY COUNTY IN THE PANHANDLE OF TEXAS...

* UNTIL 815 PM CDT

* AT 509 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  HOWARDWICK...LAKE MCCLELLAN AND GREENBELT LAKE. 

ADDITIONAL RAINFALL AMOUNTS OF 2 INCHES ARE POSSIBLE IN THE WARNED
AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3507 10109 3525 10109 3527 10079 3505 10074
      3497 10086 3495 10108

$$

BIEDA

3 follow-up statements

011 
WGUS74 KAMA 222319
FFSAMA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
619 PM CDT SUN MAY 22 2016

TXC129-179-230115-
/O.CON.KAMA.FF.W.0004.000000T0000Z-160523T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAY TX-DONLEY TX-
619 PM CDT SUN MAY 22 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTHWESTERN GRAY AND NORTHWESTERN DONLEY COUNTIES...

AT 617 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A FLASH FLOOD IN
PROGRESS ALONG TEXAS HIGHWAY 70 ABOUT 6 MILES WEST-SOUTHWEST OF LAKE
MCCLELLAN.  DOPPLER RADAR INDICATED THAT UPWARDS OF 4 INCHES OF RAIN
HAS FALLEN...WITH AN ADDITIONAL 2 INCHES POSSIBLE.  THE PUBLIC IS
ADVISED TO AVOID THE AREA AND NOT CROSS FLOODED ROADWAYS.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY AWAY OR BE SWEPT AWAY. RUNNING WATER HAS BEEN REPORTED ACROSS
LOCAL HIGHWAYS.  

&&

LAT...LON 3507 10109 3525 10109 3527 10079 3505 10074
      3497 10086 3495 10108

$$

BIEDA

240 
WGUS74 KAMA 230032
FFSAMA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
732 PM CDT SUN MAY 22 2016

TXC129-179-230115-
/O.CON.KAMA.FF.W.0004.000000T0000Z-160523T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAY TX-DONLEY TX-
732 PM CDT SUN MAY 22 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTHWESTERN GRAY AND NORTHWESTERN DONLEY COUNTIES...

AT 730 PM CDT...LOCAL LAW ENFORCEMENT HAS REPORTED FLASH FLOODING IN
PROGRESS ACROSS TEXAS HIGHWAY 70...WITH CONTINUED HEAVY RAIN FALLING
IN THE AREA.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3507 10109 3525 10109 3527 10079 3505 10074
      3497 10086 3495 10108

$$

BIEDA

234 
WGUS74 KAMA 230106
FFSAMA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
806 PM CDT SUN MAY 22 2016

TXC129-179-230116-
/O.EXP.KAMA.FF.W.0004.000000T0000Z-160523T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAY TX-DONLEY TX-
806 PM CDT SUN MAY 22 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN GRAY AND NORTHWESTERN
DONLEY COUNTIES WILL EXPIRE AT 815 PM CDT...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3507 10109 3525 10109 3527 10079 3505 10074
      3497 10086 3495 10108

$$

BIEDA

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:14 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	61 min
May 21, 7:25 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Moore	65 min
May 21, 7:30 PM CDT	Areal Flood Advisory	AMA	Hartley	3 hr
May 21, 7:50 PM CDT	Flash Flood Warning	AMA	Hartley	3 hr
May 21, 7:54 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	66 min
May 21, 8:13 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	47 min
May 21, 8:24 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith	51 min
May 21, 8:54 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	42 min
May 21, 8:59 PM CDT	Areal Flood Advisory	AMA	Deaf Smith	3 hr
May 21, 9:09 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	81 min
May 21, 9:31 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	59 min
May 21, 10:30 PM CDT	Special Weather Statement	AMA	Oldham	60 min
May 21, 10:54 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	31 min
May 22, 12:25 AM CDT	Severe Thunderstorm Warning	AMA	Dallam, Deaf Smith, Hartley, Oldham	64 min
May 22, 3:33 PM CDT	Special Weather Statement	AMA	Dallam	27 min
May 22, 3:35 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Donley, Gray	55 min
May 22, 3:46 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson	59 min
May 22, 3:57 PM CDT	Severe Thunderstorm Warning	AMA	Donley	48 min
May 22, 4:06 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray	54 min
May 22, 4:30 PM CDT	Severe Thunderstorm Warning	AMA	Donley, Gray	60 min
May 22, 4:43 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	62 min
May 22, 4:46 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	59 min
May 22, 4:52 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Roberts	53 min
May 22, 5:10 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	65 min
May 22, 5:29 PM CDT	Flash Flood Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	3 hr
May 22, 5:29 PM CDT	Severe Thunderstorm Warning	AMA	Donley, Gray	61 min
May 22, 5:32 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	58 min
May 22, 5:34 PM CDT	Tornado Warning	AMA	Donley	26 min
May 22, 5:46 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	26 min
May 22, 6:01 PM CDT	Flash Flood Warning	AMA	Donley	3 hr
May 22, 6:16 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	59 min
May 22, 6:25 PM CDT	Severe Thunderstorm Warning	AMA	Donley, Gray	80 min
May 22, 6:29 PM CDT	Tornado Warning	AMA	Hansford, Ochiltree	46 min
May 22, 6:41 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	64 min
May 22, 6:46 PM CDT	Tornado Warning	AMA	Ochiltree	44 min

Nearby

Flash Flood Warnings in Texas, 2016 Every flash flood warning in 2016

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.