Alert archive / Texas / Flash Flood Watches in 2016

Flash Flood Watch 4, NWS Corpus Christi, TX

May 15, 20167 counties in Texas

NWS Corpus Christi, TX issued this flash flood watch at May 15, 2016, 9:06 PM CDT for 7 counties in Texas. It took effect at May 16, 2016, 1:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: May 15, 2016, 9:06 PM CDT (02:06 UTC)
In effect from: May 16, 2016, 1:00 AM CDT
Expired: May 16, 2016, 11:00 AM CDT
In force: 10 hr
Issued by: NWS Corpus Christi, TX
Flood severity: None

Counties Aransas County, TX, Calhoun County, TX, Kleberg County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX

The radar

The Corpus Christi radar (KCRP), 46 km from the middle of the area, began a volume at 02:05 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

Corpus Christi, TX (KCRP), launched 00:00Z, 2.1 hours before the alert went out and 44 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: 115 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 894 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 179 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 Corpus Christi, TX wrote its last area forecast discussion before this flash flood watch went out at May 15, 6:30 PM CDT, 2 hours 36 minutes earlier.

Area forecast discussion, May 15, 6:30 PM CDT, 2 hours 36 minutes before

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Hazardous weather outlook, May 15, 5:50 AM CDT, 15 hours 16 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
550 AM CDT SUN MAY 15 2016

TXZ229>234-239>247-161100-
LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL-
JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN-
550 AM CDT SUN MAY 15 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE
TEXAS COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

NUMEROUS THUNDERSTORMS ARE EXPECTED TODAY ACROSS THE REGION. SOME
OF THE STORMS MAY PRODUCE GUSTY WINDS, HAIL, AND VERY HEAVY
RAINFALL. FLOODING OF POOR DRAINAGE AND LOW-LYING AREAS IS
POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS CHANCES CONTINUE THROUGH MONDAY THEN AGAIN TUESDAY AND
CONTINUING THROUGH THE WEEK. THE STORM PREDICTION CENTER HAS SOUTH
TEXAS IN A MARGINAL RISK FOR SEVERE STORMS ON MONDAY AND A SLIGHT
RISK ON TUESDAY. THE MAIN THREAT WOULD BE LARGE HAIL AND DAMAGING
WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SEVERE WEATHER OR FLOODING
REPORTS TO THE NATIONAL WEATHER SERVICE.

GMZ230-235-250-255-270-275-161100-
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O\CONNOR-
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM-
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT
20 NM-WATERS FROM BAFFIN BAY TO PORT ARANSAS FROM 20 TO 60 NM-
WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-
550 AM CDT SUN MAY 15 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE
TEXAS COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

NUMEROUS THUNDERSTORMS ARE EXPECTED TODAY ACROSS THE REGION. SOME
OF THE STORMS MAY PRODUCE GUSTY WINDS, HAIL, AND VERY HEAVY
RAINFALL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ONSHORE WINDS MAY INCREASE CLOSE TO SMALL CRAFT ADVISORY
CONDITIONS MONDAY...MOSTLY ACROSS OUR OUTER GULF WATERS.

THUNDERSTORMS CHANCES CONTINUE THROUGH MONDAY THEN AGAIN TUESDAY AND
CONTINUING THROUGH THE WEEK. THE STORM PREDICTION CENTER HAS SOUTH
TEXAS IN A MARGINAL RISK FOR SEVERE STORMS ON MONDAY AND A SLIGHT
RISK ON TUESDAY. THE MAIN THREAT WOULD BE LARGE HAIL AND DAMAGING
WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SEVERE WEATHER REPORTS TO THE
NATIONAL WEATHER SERVICE.

GH/TE

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 9:17 PM CDT	Small Craft Advisory	CRP		18 hr
May 15, 10:34 PM CDT	Areal Flood Advisory	CRP	Nueces, San Patricio	56 min
May 15, 10:37 PM CDT	Areal Flood Advisory	CRP	Kleberg	53 min
May 15, 10:38 PM CDT	Areal Flood Advisory	CRP	Aransas, Refugio	67 min
May 15, 11:30 PM CDT	Flash Flood Warning	CRP	Kleberg, Nueces	3 hr
May 15, 11:44 PM CDT	River Flood Warning	CRP	Nueces	34 hr
May 15, 11:55 PM CDT	Special Weather Statement	CRP	Nueces	50 min
May 16, 12:42 AM CDT	Flash Flood Warning	CRP	Aransas, Refugio, San Patricio	3 hr
May 16, 1:19 AM CDT	Flash Flood Warning Emergency	CRP	Nueces	3 hr
May 16, 1:35 AM CDT	Special Marine Warning	CRP		85 min
May 16, 1:46 AM CDT	Special Weather Statement	CRP	Nueces	59 min
May 16, 2:14 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces	3 hr
May 16, 3:15 AM CDT	Special Marine Warning	CRP		90 min
May 16, 3:26 AM CDT	Flash Flood Warning	CRP	Aransas, Refugio	3 hr
May 16, 3:35 AM CDT	Flash Flood Warning	CRP	Aransas, Refugio, San Patricio	3 hr
May 16, 4:04 AM CDT	Flash Flood Warning Emergency	CRP	Nueces	3 hr
May 16, 5:14 AM CDT	Flash Flood Warning	CRP	Aransas, Nueces	3 hr
May 16, 5:22 AM CDT	Special Marine Warning	CRP		113 min
May 16, 5:34 AM CDT	Special Marine Warning	CRP		56 min
May 16, 6:18 AM CDT	Special Marine Warning	CRP		117 min
May 16, 6:22 AM CDT	Flash Flood Warning	CRP	Aransas, Refugio, San Patricio	3 hr
May 16, 6:23 AM CDT	Flash Flood Warning	CRP	Aransas, Refugio	3 hr
May 16, 6:47 AM CDT	Flash Flood Warning	CRP	Nueces	3 hr
May 16, 9:00 AM CDT	River Flood Warning	CRP	Aransas, Refugio	5 days
May 16, 11:33 AM CDT	Areal Flood Warning	CRP	Nueces	3 hr
May 16, 1:31 PM CDT	Areal Flood Warning	CRP	Aransas, San Patricio	9 hr
May 16, 1:42 PM CDT	Areal Flood Warning	CRP	Aransas, Refugio, San Patricio	6 hr
May 16, 2:16 PM CDT	Areal Flood Warning	CRP	Nueces	6 hr

Nearby

Flash Flood Watches in Texas, 2016 Every 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.