Alert archive / Texas / Flash Flood Warnings in 2009

Flash Flood Warning 13, NWS Midland/Odessa, TX

May 9, 2009Brewster County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 9, 2009, 7:16 PM CDT for Brewster 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 9, 2009, 7:16 PM CDT (00:16 UTC)
Expired: May 9, 2009, 10:15 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

County Brewster County, TX

What was reported inside it

Time	Report	Where	Remark
May 9, 7:23 PM CDT	FLASH FLOOD	10 Nw Rio Grande Villag, TX	WATER FLOWING OVER ROUTE 12 BETWEEN MILE MARKERS 12 AND 16 ON THE WAY TO RIO GRANDE VILLAGE. VEHICLES HYDROPLANING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.3 hours before the alert went out and 212 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: 3121 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 2019 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 131 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 KMAF 100016
FFWMAF
TXC043-100315-
/O.NEW.KMAF.FF.W.0013.090510T0016Z-090510T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
716 PM CDT SAT MAY 9 2009

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL BREWSTER COUNTY IN SOUTHWEST TEXAS INCLUDING 
  BIG BEND NATIONAL PARK...

* UNTIL 1015 PM CDT

* AT 711 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED   
  FLASH FLOODING FROM A SLOW MOVING THUNDERSTORM AFFECTING THE       
  WARNED AREA. SATELLITE PRECIPITATION ESTIMATES SUGGEST THAT UP TO  
  2 INCHES OF RAINFALL PER HOUR IS OCCURRING WITH THIS STORM. THIS   
  IS A DANGEROUS SITUATION AND ALL PRECAUTIONS SHOULD BE TAKEN TO    
  AVOID FAST MOVING HIGH WATER.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PANTHER
  JUNCTION...CHISOS BASIN AND BOQUILLAS CANYON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW
WHERE YOU ARE RELATIVE TO ARROYOS... DRAWS... AND OTHER LOW LYING
AREAS. HEAVY RAINFALL... EVEN FROM DISTANT STORMS... CAN CREATE
SUDDEN FLOWS CAPABLE OF OVERTAKING CAMPERS AND HIKERS. MOVE UP TO 
ESCAPE RISING WATER.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. IF YOU ARE IN THE WARNED AREA... MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS... CREEKS... AND OTHER
LOW LYING AREAS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND
PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF
UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.

&&

LAT...LON 2898 10328 2903 10337 2930 10338 2949 10324
      2963 10294 2968 10270 2954 10279 2941 10281
      2932 10288 2927 10289 2925 10285 2923 10285
      2918 10295 2918 10298 2897 10315

$$

2 follow-up statements

000 
WGUS74 KMAF 100204
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
804 PM CDT SAT MAY 9 2009

TXC043-100315-
/O.CON.KMAF.FF.W.0013.000000T0000Z-090510T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BREWSTER-
904 PM CDT SAT MAY 9 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR 
SOUTH CENTRAL BREWSTER COUNTY INCLUDING THE BIG BEND NATIONAL PARK...

AT 904 PM CDT....NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE STRONG THUNDERSTORM THAT RESULTED IN THE FLASH FLOODING HAS 
NOW MOVED OUT OF THE REGION. AREAS OF FLASH FLOODING MAY STILL BE 
OCCURRING ACROSS EASTERN PORTIONS OF BIG BEND NATIONAL PARK AS A 
RESULT OF HEAVY RAINFALL. PRECAUTIONS SHOULD STILL BE TAKEN TO AVOID 
HIGH WATER CROSSINGS. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PANTHER 
JUNCTION AND RIO GRANDE VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 2898 10328 2903 10337 2930 10338 2949 10324
      2963 10294 2968 10270 2954 10279 2941 10281
      2932 10288 2927 10289 2925 10285 2923 10285
      2918 10295 2918 10298 2897 10315

$$

000 
WGUS74 KMAF 100323
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1023 PM CDT SAT MAY 9 2009

TXC043-100332-
/O.EXP.KMAF.FF.W.0013.000000T0000Z-090510T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BREWSTER-
1023 PM CDT SAT MAY 9 2009

...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTH CENTRAL BREWSTER
COUNTY...

AT 1022 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE STORM THAT PROMPTED THE FLASH FLOOD WARNING HAD MOVED OUT 
OF THE AREA. THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.  

LAT...LON 2898 10328 2903 10337 2930 10338 2949 10324
      2963 10294 2968 10270 2954 10279 2941 10281
      2932 10288 2927 10289 2925 10285 2923 10285
      2918 10295 2918 10298 2897 10315

$$

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 10, 5:48 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	3 hr
May 10, 5:51 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Jeff Davis, Pecos	54 min
May 10, 5:53 PM CDT	Severe Thunderstorm Warning	MAF	Jeff Davis	67 min
May 10, 6:33 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Pecos	57 min
May 10, 6:42 PM CDT	Areal Flood Advisory	MAF	Brewster, Jeff Davis, Pecos	3 hr

Nearby

Flash Flood Warnings in Texas, 2009 Every flash flood warning in 2009

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.