Alert archive / Texas / Flash Flood Warnings in 2014

Flash Flood Warning 28, NWS Midland/Odessa, TX

June 21, 2014Midland County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jun 21, 2014, 3:09 PM CDT for Midland County, Texas. 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
Jun 21, 2014, 3:09 PM CDT (20:09 UTC)
Expired
Jun 21, 2014, 6:15 PM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

County Midland County, TX

The radar

The Midland/Odessa radar (KMAF), 23 km from the middle of the area, began a volume at 20:09 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, 8.2 hours before the alert went out and 24 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 2014-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 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 2014-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
83 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
662 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
37 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.

001 
WGUS54 KMAF 212009
FFWMAF
TXC329-212315-
/O.NEW.KMAF.FF.W.0028.140621T2009Z-140621T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
309 PM CDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN MIDLAND COUNTY IN WEST TEXAS...

* UNTIL 615 PM CDT

* AT 303 PM CDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING
  IN GREENWOOD. CARS WERE STALLING IN WATER EXCEEDING A DEPTH OF
  ONE AND ONE HALF FEET AT HIGHWAY 307 AND FM 1090. VERY HEAVY RAIN
  WAS CONTINUING TO TRAIN OVER THE SAME AREAS WITH RAINFALL ESTIMATES
  EXCEEDING 2 INCHES WITH CONTINUING RAINFALL.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GREENWOOD.

THIS INCLUDES THE LOW WATER CROSSINGS AT...
  CR 1140 CROSSING MIDLAND DRAW...
  FM 1150 CROSSING SOUTH DRAW...
  CR 1130 CROSSING MIDLAND DRAW...
  CR 1150 CROSSING MIDLAND DRAW...
  SH 158 /GARDEN CITY HWY/ CROSSING SOUTH DRAW...
  FM 715 CROSSING SOUTH DRAW...
  FM 307 CROSSING MIDLAND DRAW...
  CR 120 CROSSING MIDLAND DRAW...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STREAMS AND DRAINAGES AFFECTED INCLUDE BUT ARE NOT LIMITED TO...
MUSTANG DRAW...MONAHANS DRAW...MIDLAND DRAW AND JOHNSON DRAW.

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 3209 10199 3209 10178 3201 10178 3181 10206
      3189 10214

$$

05
1 follow-up statement
357 
WGUS74 KMAF 212311
FFSMAF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
611 PM CDT SAT JUN 21 2014

TXC329-212320-
/O.EXP.KMAF.FF.W.0028.000000T0000Z-140621T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDLAND-
611 PM CDT SAT JUN 21 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 615 PM CDT FOR NORTHEASTERN
MIDLAND COUNTY...

AT 610 PM CDT...THE CONDITIONS LEADING TO THE ISSUANCE OF A FLASH
FLOOD WARNING HAD CEASED...REMOVING THE THREAT OF FLASH FLOODING OVER
THE WARNED AREA. THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED TO
EXPIRE. WATER MAY STILL COVER PARTS OF HIGHWAY 307 AND OTHER ROADS OVER
PARTS OF THE GREENWOOD AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALTHOUGH THE THREAT OF SIGNIFICANT FLOODING HAS PASSED...PONDING OF
WATER WILL LIKELY CONTINUE ON SOME ROADWAYS. MOTORISTS SHOULD REMAIN
CAUTIOUS AND BE PREPARED TO SLOW DOWN IF WATER IS ENCOUNTERED TO
PREVENT HYDROPLANING AND LOSS OF VEHICLE CONTROL.

&&

LAT...LON 3209 10199 3209 10178 3201 10178 3181 10206
      3189 10214

$$

05

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 12:26 PM CDTAreal Flood AdvisoryMAFReagan3 hr
Jun 21, 1:07 PM CDTFlash Flood WarningMAFReagan3 hr
Jun 21, 2:20 PM CDTAreal Flood AdvisoryMAFMidland3 hr
Jun 21, 4:09 PM CDTAreal Flood AdvisoryMAFPecos3 hr

Nearby

Flash Flood Warnings in Texas, 2014Every flash flood warning in 2014

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.