Alert archive / Texas / Flash Flood Watches in 2016

Flash Flood Watch 3, NWS San Angelo, TX

May 29, 20164 counties in Texas

NWS San Angelo, TX issued this flash flood watch at May 29, 2016, 3:10 PM CDT for 4 counties in Texas. It took effect at May 29, 2016, 7:00 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
May 29, 2016, 3:10 PM CDT (20:10 UTC)
In effect from
May 29, 2016, 7:00 PM CDT
Expired
May 30, 2016, 10:00 AM CDT
In force
15 hr
Issued by
NWS San Angelo, TX
Flood severity
None

Counties Kimble County, TX, Mason County, TX, Menard County, TX, Sutton County, TX

The radar

The San Angelo radar (KSJT), 102 km from the middle of the area, began a volume at 20:13 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

Del Rio, TX (KDLF), launched 12:00Z, 8.2 hours before the alert went out and 172 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, Del Rio, TX at 12:00Z on 2016-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 592 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2016-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
592 J/kg
Mixed-layer CIN
-353 J/kg
Mixed-layer LCL
764 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this flash flood watch went out at May 29, 12:29 PM CDT, 2 hours 41 minutes earlier.

Area forecast discussion, May 29, 12:29 PM CDT, 2 hours 41 minutes before
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Hazardous weather outlook, May 29, 3:10 PM CDT, 0 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
310 PM CDT SUN MAY 29 2016

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-301100-
FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO-
CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD-
TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE-
MASON-
310 PM CDT SUN MAY 29 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND
EVENING...CONTINUING INTO THE EARLY MORNING HOURS. SOME STORMS
MAY BECOME SEVERE. THE PRIMARY HAZARDS WILL BE LARGE HAIL AND
DAMAGING WINDS...BUT A FEW TORNADOES WILL BE POSSIBLE AS WELL.
THE STRONGER STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL. A FLASH
FLOOD WATCH IS IN EFFECT FOR PORTIONS OF THE NORTHWEST HILL
COUNTRY THROUGH 10 AM MONDAY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS WILL BE POSSIBLE ACROSS WEST CENTRAL TEXAS THROUGH
MIDWEEK. A FEW STORMS MAY BECOME SEVERE...MAINLY DURING THE
AFTERNOON AND EVENING HOURS. THE PRIMARY HAZARDS WILL BE LARGE
HAIL AND DAMAGING WINDS. LOCALLY HEAVY RAINFALL WILL ALSO
ACCOMPANY THE STRONGER STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS ANTICIPATED DURING THE LATE AFTERNOON AND
EVENING HOURS.

JOHNSON

In the hours before

Local storm report, May 29, 10:15 AM CDT, 4 hours 55 minutes before
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Local storm report, May 29, 10:31 AM CDT, 4 hours 39 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 7:08 PM CDTSpecial Weather StatementSJTTom Green52 min
May 28, 7:08 PM CDTSevere Thunderstorm WarningSJTKimble, Mason, Menard52 min
May 28, 7:10 PM CDTSevere Thunderstorm WarningSJTKimble, Mason, Menard50 min
May 28, 7:15 PM CDTSpecial Weather StatementSJTMcCulloch30 min
May 28, 7:16 PM CDTSpecial Weather StatementSJTShackelford44 min
May 28, 7:18 PM CDTSpecial Weather StatementSJTFisher27 min
May 28, 7:28 PM CDTSevere Thunderstorm WarningSJTShackelford62 min
May 28, 7:34 PM CDTTornado WarningSJTKimble, Mason41 min
May 28, 7:49 PM CDTSevere Thunderstorm WarningSJTHaskell56 min
May 28, 7:52 PM CDTSpecial Weather StatementSJTTaylor38 min
May 28, 8:01 PM CDTSpecial Weather StatementSJTConcho59 min
May 28, 8:10 PM CDTSevere Thunderstorm WarningSJTKimble, Mason50 min
May 28, 8:12 PM CDTSevere Thunderstorm WarningSJTTaylor48 min
May 28, 8:13 PM CDTSpecial Weather StatementSJTMenard32 min
May 28, 8:31 PM CDTSevere Thunderstorm WarningSJTShackelford, Throckmorton39 min
May 28, 8:35 PM CDTSevere Thunderstorm WarningSJTConcho, Tom Green40 min
May 28, 8:45 PM CDTSevere Thunderstorm WarningSJTHaskell, Throckmorton60 min
May 28, 8:47 PM CDTSevere Thunderstorm WarningSJTFisher38 min
May 28, 8:47 PM CDTSevere Thunderstorm WarningSJTConcho, Menard43 min
May 28, 9:00 PM CDTSpecial Weather StatementSJTTaylor30 min
May 28, 9:15 PM CDTSpecial Weather StatementSJTRunnels30 min
May 28, 9:39 PM CDTSpecial Weather StatementSJTRunnels66 min
May 28, 9:48 PM CDTSpecial Weather StatementSJTJones42 min
May 28, 10:30 PM CDTSpecial Weather StatementSJTFisher30 min
May 28, 10:48 PM CDTSpecial Weather StatementSJTHaskell27 min
May 28, 11:02 PM CDTSevere Thunderstorm WarningSJTFisher, Nolan73 min
May 28, 11:27 PM CDTSpecial Weather StatementSJTFisher63 min
May 29, 12:09 AM CDTSevere Thunderstorm WarningSJTFisher, Jones, Nolan, Taylor66 min
May 29, 12:41 AM CDTSevere Thunderstorm WarningSJTCallahan, Jones, Shackelford, Taylor64 min
May 29, 12:51 AM CDTSpecial Weather StatementSJTThrockmorton54 min
May 29, 1:28 AM CDTAreal Flood AdvisorySJTThrockmorton2 hr
May 29, 1:47 AM CDTSevere Thunderstorm WarningSJTCallahan, Shackelford43 min
May 29, 5:51 PM CDTSpecial Weather StatementSJTHaskell39 min

Nearby

Flash Flood Watches in Texas, 2016Every flash flood watch in 2016

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.