Alert archive / Texas / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Midland/Odessa, TX

May 7, 2012Gaines County, Texas; Lea County, New Mexico

NWS Midland/Odessa, TX issued this flash flood warning at May 7, 2012, 8:42 PM CDT for Gaines County, Texas; Lea County, New Mexico. 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: May 7, 2012, 8:42 PM CDT (01:42 UTC)
Expired: May 7, 2012, 11:45 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

Counties Lea County, NM, Gaines County, TX

The radar

The Midland/Odessa radar (KMAF), 116 km from the middle of the area, began a volume at 01:43 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.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 1.7 hours before the alert went out and 115 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: 567 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 1333 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: -85 m²/s²
0-3 km storm-relative helicity: 3 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -2.1

Open this sounding in Storm Lab

The text

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

557 
WGUS54 KMAF 080142
FFWMAF
NMC025-TXC165-080445-
/O.NEW.KMAF.FF.W.0002.120508T0142Z-120508T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
842 PM CDT MON MAY 7 2012

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GAINES COUNTY IN WEST TEXAS...
  EAST CENTRAL LEA COUNTY IN SOUTHEAST NEW MEXICO...

* UNTIL 1145 PM CDT/1045 PM MDT/

* AT 839 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
  FLOODING WITH ROADS CLOSED IN HOBBS.  THIS STORM WAS NOW LOCATED
  8 MILES WEST OF SEMINOLE...MOVING EAST AT 20 MPH.  FLASH FLOODING
  WILL ALSO BE POSSIBLE IN SEMINOLE.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING
LOCATIONS...
  SEMINOLE...
  HOBBS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. ACT QUICKLY IF FLOODING IS OBSERVED. MOVE TO
HIGHER GROUND.

&&

LAT...LON 3304 10306 3296 10306 3296 10237 3295 10223
      3270 10227 3253 10227 3254 10337 3306 10332

$$

1 follow-up statement

039 
WGUS74 KMAF 080219
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
919 PM CDT MON MAY 7 2012

NMC025-TXC165-080445-
/O.CON.KMAF.FF.W.0002.000000T0000Z-120508T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GAINES-LEA-
919 PM CDT MON MAY 7 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT/1045 PM
MDT/ FOR EAST CENTRAL LEA AND GAINES COUNTIES...

AT 913 PM CDT...EMERGENCY MANAGEMENT OFFICIALS IN SEAGRAVES REPORTED 
SIGNIFICANT STREET FLOODING IN SEAGRAVES BUT NO ROADS CLOSED AS OF 
YET.  STREET FLOODING IS POSSIBLE IN SEMINOLE.  THIS THUNDERSTORM WAS
LOCATED NEAR FAIRVIEW...OR 8 MILES NORTHEAST OF SEMINOLE...MOVING EAST
AT 10 MPH.

THE THUNDERSTORM PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING
LOCATIONS...FAIRVIEW...SEMINOLE AND CEDAR LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. ACT QUICKLY IF FLOODING IS OBSERVED. MOVE TO
HIGHER GROUND.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
MONDAY EVENING/1000 PM MDT MONDAY EVENING/ FOR SOUTHEAST NEW MEXICO
AND SOUTHWESTERN TEXAS.

&&

LAT...LON 3304 10306 3296 10306 3296 10237 3295 10223
      3270 10227 3253 10227 3254 10337 3306 10332

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 7:45 PM CDT	Severe Thunderstorm Warning	MAF	Gaines	45 min
May 7, 8:03 PM CDT	Areal Flood Advisory	MAF	Gaines	3 hr
May 7, 8:13 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Gaines	62 min
May 7, 8:27 PM CDT	Severe Thunderstorm Warning	MAF	Gaines	63 min
May 7, 9:13 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Gaines	62 min
May 7, 9:29 PM CDT	Severe Thunderstorm Warning	MAF	Culberson, Loving, Reeves	61 min
May 7, 9:40 PM CDT	Severe Thunderstorm Warning	MAF	Reeves, Ward	65 min
May 7, 10:03 PM CDT	Severe Thunderstorm Warning	MAF	Culberson, Loving, Reeves	57 min
May 7, 10:33 PM CDT	Severe Thunderstorm Warning	MAF	Dawson	29 min
May 8, 12:21 AM CDT	Severe Thunderstorm Warning	MAF	Crane, Pecos	54 min
May 8, 5:56 PM CDT	Severe Thunderstorm Warning	MAF	Presidio	64 min
May 8, 6:21 PM CDT	Severe Thunderstorm Warning	MAF	Pecos, Reeves	54 min
May 8, 6:46 PM CDT	River Flood Warning	MAF	Presidio	60 min
May 7, 10:25 PM CDT	Areal Flood Advisory	MAF	Eddy, Lea	3 hr
May 8, 2:58 AM CDT	Areal Flood Advisory	MAF	Eddy	3 hr

Nearby

Flash Flood Warnings in Texas, 2012 Flash Flood Warnings in New Mexico, 2012 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.