Alert archive / Texas / Flash Flood Warnings in 2012

Flash Flood Warning 22, NWS Midland/Odessa, TX

July 16, 2012Ector County, Midland County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jul 16, 2012, 5:25 PM CDT for Ector County, Midland County, Texas. It was in force for 2 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
Jul 16, 2012, 5:25 PM CDT (22:25 UTC)
Expired
Jul 16, 2012, 7:40 PM CDT
In force
2 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

Counties Ector County, TX, Midland County, TX

The radar

The Midland/Odessa radar (KMAF), 7 km from the middle of the area, began a volume at 22:25 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 12:00Z, 10.4 hours before the alert went out and 8 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-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 2012-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1172 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2012-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1172 J/kg
Mixed-layer CIN
-197 J/kg
Mixed-layer LCL
1403 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

207 
WGUS54 KMAF 162225
FFWMAF
TXC135-329-170130-
/O.NEW.KMAF.FF.W.0022.120716T2225Z-120717T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
525 PM CDT MON JUL 16 2012

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL ECTOR COUNTY IN WEST TEXAS...
  MIDLAND COUNTY IN WEST TEXAS...

* UNTIL 830 PM CDT

* AT 520 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  FLASH FLOODING FROM A THUNDERSTORM NEAR COTTON FLAT...OR  7 MILES  
  SOUTHEAST OF MIDLAND...MOVING SOUTHWEST AT 15 MPH. RAINFALL UP TO  
  AN INCH AND A HALF PER HOUR IS POSSIBLE.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL AFFECT THE FOLLOWING
LOCATIONS...
  MIDLAND...
  MIDLAND INTERNATIONAL AIRPORT...
  WARFIELD...
  MISSION DORADO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3173 10235 3200 10239 3208 10207 3209 10185
      3178 10182

$$
2 follow-up statements
619 
WGUS74 KMAF 162259
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
559 PM CDT MON JUL 16 2012

TXC135-329-170130-
/O.CON.KMAF.FF.W.0022.000000T0000Z-120717T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ECTOR-MIDLAND-
559 PM CDT MON JUL 16 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
MIDLAND AND EAST CENTRAL ECTOR COUNTIES...

AT 550 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A THUNDERSTORM PRODUCING HEAVY RAIN OVER THE WARNED AREA.  
LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WALL STREET IN DOWNTOWN 
MIDLAND IS BEING BARRICADED DUE TO FLOODING.  

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VALLEY 
VIEW...MIDLAND INTERNATIONAL AIRPORT...MIDLAND...GREENWOOD AND SH 
349 SOUTH OF MIDLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3173 10235 3200 10239 3208 10207 3209 10185
      3178 10182

$$
586 
WGUS74 KMAF 170040
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
740 PM CDT MON JUL 16 2012

TXC135-329-170048-
/O.CAN.KMAF.FF.W.0022.000000T0000Z-120717T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ECTOR-MIDLAND-
740 PM CDT MON JUL 16 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MIDLAND AND EAST
CENTRAL ECTOR COUNTIES...

AT 738 PM CDT...THE CONDITIONS LEADING TO THE ISSUANCE OF A FLASH 
FLOOD WARNING HAVE CEASED AS RAIN HAS WEAKENED AND MOVED OUT OF THE 
WARNED AREA. THEREFORE THE FLASH FLOOD WARNING IS CANCELLED.

LAT...LON 3173 10235 3200 10239 3208 10207 3209 10185
      3178 10182

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 3:22 PM CDTAreal Flood AdvisoryMAFDawson, Gaines3 hr
Jul 16, 4:44 PM CDTAreal Flood AdvisoryMAFMidland3 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.