Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 17, NWS San Angelo, TX

May 24, 2015Kimble County, Mason County, Texas

NWS San Angelo, TX issued this flash flood warning at May 24, 2015, 1:02 AM CDT for Kimble County, Mason 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 counties it named.

The facts

Issued
May 24, 2015, 1:02 AM CDT (06:02 UTC)
Expired
May 24, 2015, 4:00 AM CDT
In force
3 hr
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Flood severity
None

Counties Kimble County, TX, Mason County, TX

The radar

The San Angelo radar (KSJT), 128 km from the middle of the area, began a volume at 06:01 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 00:00Z, 6.0 hours before the alert went out and 189 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 00:00Z on 2015-05-24Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2015-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.193958Sfc1 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
1536 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
266 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 warning 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 warning went out at May 23, 11:23 PM CDT, 1 hour 39 minutes earlier.

Area forecast discussion, May 23, 11:23 PM CDT, 1 hour 39 minutes before
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Hazardous weather outlook, May 23, 2:09 PM CDT, 10 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
209 PM CDT SAT MAY 23 2015

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-241915-
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-
209 PM CDT SAT MAY 23 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A CHANCE FOR SEVERE THUNDERSTORMS THIS AFTERNOON INTO
TONIGHT. THE MAIN HAZARDS WILL BE LARGE HAIL...DAMAGING WINDS
AND ISOLATED TORNADOES. WIDESPREAD HEAVY RAINFALL WILL ALSO BE
POSSIBLE. A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF WEST CENTRAL
TEXAS FROM 10 AM THIS MORNING THROUGH 10 AM SUNDAY MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THUNDERSTORMS ARE EXPECTED AGAIN ON SUNDAY...WITH A CONTINUED
THREAT FOR HEAVY RAINFALL. THIS MAY RESULT IN FLASH FLOODING. A
FEW SEVERE STORMS WILL BE POSSIBLE MAINLY EAST OF A THROCKMORTON
TO JUNCTION LINE...WITH LARGE HAIL AND DAMAGING WINDS THE MAIN
THREAT.

ADDITIONAL STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE EACH
AFTERNOON AND EVENING FROM MEMORIAL DAY THROUGH THE MIDDLE OF NEXT
WEEK. THE PRIMARY HAZARDS WILL BE LARGE HAIL AND DAMAGING WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, May 23, 7:17 PM CDT, 5 hours 45 minutes before
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Special weather statement, May 23, 7:20 PM CDT, 5 hours 42 minutes before
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Special weather statement, May 23, 8:20 PM CDT, 4 hours 42 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 7:17 PM CDTSpecial Weather StatementSJTJones, Taylor43 min
May 23, 7:20 PM CDTSpecial Weather StatementSJTHaskell25 min
May 23, 7:38 PM CDTSevere Thunderstorm WarningSJTFisher, Haskell, Jones52 min
May 23, 8:20 PM CDTSpecial Weather StatementSJTHaskell, Throckmorton40 min
May 24, 12:24 AM CDTAreal Flood AdvisorySJTKimble, Mason111 min
May 24, 1:36 AM CDTAreal Flood AdvisorySJTSan Saba114 min
May 24, 6:21 AM CDTAreal Flood AdvisorySJTTom Green84 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.