Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 21, NWS San Angelo, TX

May 28, 2015Callahan County, Nolan County, Taylor County, Texas

NWS San Angelo, TX issued this flash flood warning at May 28, 2015, 7:09 PM CDT for Callahan County, Nolan County, Taylor 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: May 28, 2015, 7:09 PM CDT (00:09 UTC)
Expired: May 28, 2015, 10:00 PM CDT
In force: 3 hr
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Flood severity: None

Counties Callahan County, TX, Nolan County, TX, Taylor County, TX

The radar

The Dyess AFB radar (KDYX), 68 km from the middle of the area, began a volume at 00:12 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, 0.2 hours before the alert went out and 219 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2691 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -37 m²/s²
0-3 km storm-relative helicity: 60 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.

113 
WGUS54 KSJT 290009
FFWSJT
TXC059-353-441-290300-
/O.NEW.KSJT.FF.W.0021.150529T0009Z-150529T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
709 PM CDT THU MAY 28 2015

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALLAHAN COUNTY IN WEST CENTRAL TEXAS...
  SOUTHERN NOLAN COUNTY IN WEST CENTRAL TEXAS...
  SOUTHERN TAYLOR COUNTY IN WEST CENTRAL TEXAS...

* UNTIL 1000 PM CDT

* AT 707 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAINFALL EXTENDED    
  FROM NOLAN AND BLACKWELL TO TUSCOLA TO BUFFALO GAP TO BAIRD AND    
  PUTNAM. 2 TO 3 INCHES OF RAINFALL WILL PRODUCE FLASH FLOODING.

* IMPACTS FROM THIS INTENSE RAINFALL WILL INCLUDE:
  FLOODING OF LOW LYING ROADS AND INTERSECTIONS.
  RAPID RISE OF AREA CREEKS...STREAMS...AND ARROYOS.

  WATER WILL BE HIGH AND FAST ENOUGH TO STALL VEHICLES OR WASH       
  THEM COMPLETELY OFF THE ROAD.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CLYDE...
BAIRD...ROWDEN...COTTONWOOD...WYLIE...CAPS...CORONADOS CAMP...VIEW...
TUSCOLA...PUTNAM...POTOSI...OPLIN...NOLAN...MARYNEAL...LAWN...
HYLTON...HAPPY VALLEY...EULA...DUDLEY...CROSS PLAINS...CHAMPION...
BUFFALO GAP...BRADSHAW AND ATWELL.

THIS INCLUDES THE LOW WATER CROSSINGS AT...
  I-20 FRONTAGE ROADS NEAR PUTNAM...
  I-20 FRONTAGE ROADS NEAR BAIRD...
  I-20 FRONTAGE ROADS WEST OF CLYDE...
  CRAIG STREET AT CATCLAW CREEK...
  FM 1170 CROSSING EAGLE CREEK...
  FM 89 CROSSING ELM CREEK...
  FM 1086 CROSSING RED LAKE CREEK...
  COUNTY ROAD 116 CROSSING LYTLE CREEK...
  CROSSINGS ALONG COUNTY ROAD 150...
  CROSSINGS ALONG COUNTY ROAD 127...
  COUNTY ROAD 150 CROSSING CEDAR CREEK...

LAT...LON 3210 10064 3238 10066 3238 9963 3251 9961
      3252 9911 3209 9911

$$

1 follow-up statement

625 
WGUS74 KSJT 290132
FFSSJT

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
832 PM CDT THU MAY 28 2015

TXC059-353-441-290300-
/O.CON.KSJT.FF.W.0021.000000T0000Z-150529T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NOLAN TX-TAYLOR TX-CALLAHAN TX-
832 PM CDT THU MAY 28 2015

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
CALLAHAN...SOUTHERN TAYLOR AND SOUTHERN NOLAN COUNTIES...

AT 825 PM CDT...RADAR ESTIMATED 3 TO 5 INCHES OF RAINFALL IN EASTERN 
CALLAHAN COUNTY...FROM ADMIRAL TO PUTNAN. SHOWERS AND THUNDERSTORMS
WITH LIGHT RAINFALL CONTINUED OVER CALLAHAN...TAYLOR AND NOLAN 
COUNTIES. ADDITIONAL RAINFALL AMOUNTS EXPECTED ARE 1/4 INCH OR LESS.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WYLIE...
CAPS...VIEW...POTOSI...OPLIN...NOLAN...MARYNEAL...LAWN...HYLTON...
EULA...DUDLEY...CLYDE...CHAMPION AND BAIRD

THIS INCLUDES THE LOW WATER CROSSINGS AT...
  I-20 FRONTAGE ROADS NEAR PUTNAM...
  I-20 FRONTAGE ROADS NEAR BAIRD...
  I-20 FRONTAGE ROADS WEST OF CLYDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
THURSDAY EVENING FOR WEST CENTRAL TEXAS. A SEVERE THUNDERSTORM WATCH
ALSO REMAINS IN EFFECT UNTIL 200 AM CDT FRIDAY MORNING FOR WEST
CENTRAL TEXAS.

&&

LAT...LON 3210 10064 3238 10066 3238 9963 3251 9961
      3252 9911 3209 9911

$$

MKD

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 7:02 PM CDT	Areal Flood Advisory	SJT	Coke, Irion, Sterling, Tom Green	3 hr
May 28, 7:09 PM CDT	Special Weather Statement	SJT	Irion, Tom Green	51 min
May 28, 7:17 PM CDT	Areal Flood Advisory	SJT	Crockett	118 min
May 28, 7:19 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Schleicher, Sterling, Tom Green	41 min
May 28, 7:30 PM CDT	Special Weather Statement	SJT	Coke, Nolan, Runnels, Taylor	45 min
May 28, 7:41 PM CDT	Flash Flood Warning	SJT	Coke, Irion, Runnels, Tom Green	3 hr
May 28, 7:44 PM CDT	Special Weather Statement	SJT	Brown, Callahan, Coleman	61 min
May 28, 7:52 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coke, Coleman, Concho, Runnels and 2 more	38 min
May 28, 7:57 PM CDT	Areal Flood Advisory	SJT	Brown, Coleman	2 hr
May 28, 7:58 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Menard, Schleicher, Tom Green	47 min
May 28, 8:11 PM CDT	Special Weather Statement	SJT	Crockett, Schleicher	49 min
May 28, 8:17 PM CDT	Severe Thunderstorm Warning	SJT	Crockett, Schleicher, Sutton	58 min
May 28, 8:19 PM CDT	Areal Flood Advisory	SJT	Concho, Menard, Schleicher	116 min
May 28, 8:45 PM CDT	Special Weather Statement	SJT	Brown, McCulloch	45 min
May 28, 8:48 PM CDT	Special Weather Statement	SJT	Concho, Menard	42 min
May 28, 8:55 PM CDT	Areal Flood Advisory	SJT	Crockett, Sutton	2 hr
May 28, 8:58 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard, Schleicher, Sutton	47 min
May 28, 9:11 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman, Concho, McCulloch, San Saba	49 min
May 28, 9:18 PM CDT	Areal Flood Advisory	SJT	McCulloch, San Saba	3 hr
May 28, 9:25 PM CDT	Flash Flood Warning	SJT	Brown	3 hr
May 28, 9:31 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, McCulloch, Mason, Menard	59 min
May 28, 9:36 PM CDT	Tornado Warning	SJT	Kimble, Mason, Menard	24 min
May 28, 9:38 PM CDT	Areal Flood Advisory	SJT	Kimble, Mason	3 hr
May 28, 9:56 PM CDT	Special Weather Statement	SJT	Brown, McCulloch, San Saba	49 min
May 28, 9:59 PM CDT	Tornado Warning	SJT	Mason	31 min
May 28, 10:10 PM CDT	Flash Flood Warning	SJT	Kimble, Mason, Menard	3 hr
May 28, 10:23 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Mason	52 min
May 28, 10:38 PM CDT	Special Weather Statement	SJT	San Saba	37 min
May 29, 4:17 AM CDT	Flash Flood Watch	SJT	Brown, Callahan, Coke, Coleman, Concho, Crockett and 18 more	26 hr

Nearby

Flash Flood Warnings in Texas, 2015 Every 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.