Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 21, NWS Midland/Odessa, TX

May 16, 2015Pecos County, Terrell County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 16, 2015, 11:44 PM CDT for Pecos County, Terrell County, Texas. It was in force for 6 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 16, 2015, 11:44 PM CDT (04:44 UTC)
Expired
May 17, 2015, 5:45 AM CDT
In force
6 hr
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Flood severity
None

Counties Pecos County, TX, Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 139 km from the middle of the area, began a volume at 04:50 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, 4.7 hours before the alert went out and 140 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 00:00Z on 2015-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2015-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2901 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
115 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.

516 
WGUS54 KMAF 170444
FFWMAF
TXC371-443-171045-
/O.NEW.KMAF.FF.W.0021.150517T0444Z-150517T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1144 PM CDT SAT MAY 16 2015

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL PECOS COUNTY IN SOUTHWEST TEXAS...
  NORTHERN TERRELL COUNTY IN SOUTHWEST TEXAS...

* UNTIL 545 AM CDT SUNDAY

* AT 1137 PM CDT...THUNDERSTORMS PRODUCING HEAVY RAINFALL WERE 
MOVING THROUGH THE WARNED AREA. RADAR ESTIMATES WIDESPREAD AREAS OF 
1 INCH OF RAIN HAVE FALLEN OVER THE LAST FEW HOURS... AND UP TO 5 
INCHES JUST WEST OF IRAAN.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BAKERSFIELD
  AND IRAAN.

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.

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 3047 10169 3045 10172 3042 10174 3039 10169
      3039 10234 3097 10233 3100 10209 3099 10208
      3101 10205 3099 10202 3099 10198 3092 10187
      3089 10188 3086 10185 3070 10180 3066 10176
      3065 10173 3049 10168

$$
AHASIC

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:31 PM CDTSpecial Weather StatementMAFUpton44 min
May 16, 7:42 PM CDTSevere Thunderstorm WarningMAFPecos63 min
May 16, 8:26 PM CDTAreal Flood AdvisoryMAFPecos2 hr
May 16, 8:40 PM CDTSevere Thunderstorm WarningMAFPecos50 min
May 16, 8:47 PM CDTFlash Flood WarningMAFPecos3 hr
May 16, 9:37 PM CDTSpecial Weather StatementMAFUpton38 min
May 16, 10:43 PM CDTSpecial Weather StatementMAFPecos47 min
May 16, 11:14 PM CDTSpecial Weather StatementMAFTerrell31 min

Nearby

Flash Flood Warnings in Texas, 2015Every flash flood warning in 2015

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.