Alert archive / Texas / River Flood Warnings in 2017

River Flood Warning 14, NWS Corpus Christi, TX

May 21, 2017Webb County, Texas

NWS Corpus Christi, TX issued this river flood warning at May 21, 2017, 8:56 PM CDT for Webb County, Texas. It was in force for 47 hr.

The area

The counties it named.

The facts

Issued: May 21, 2017, 8:56 PM CDT (01:56 UTC)
Expired: May 23, 2017, 8:00 PM CDT
In force: 47 hr
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: Minor

County Webb County, TX

The radar

The Corpus Christi radar (KCRP), 179 km from the middle of the area, began a volume at 01:55 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 river

Written for the forecast point Rio Grande at Laredo (LDOT2).

Action stage: 7 ft
Minor stage: 8 ft
Moderate stage: 13 ft
Major stage: 30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08459000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning 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 river flood warning went out at May 21, 7:09 PM CDT, 1 hour 47 minutes earlier.

Area forecast discussion, May 21, 7:09 PM CDT, 1 hour 47 minutes before

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Hazardous weather outlook, May 21, 5:09 AM CDT, 15 hours 47 minutes before

Hazardous Weather Outlook
National Weather Service Corpus Christi TX
509 AM CDT Sun May 21 2017

GMZ230-235-250-255-270-275-TXZ229>234-239>247-221015-
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-La Salle-McMullen-Live Oak-Bee-Goliad-Victoria-Webb-Duval-
Jim Wells-Kleberg-Nueces-San Patricio-Aransas-Refugio-Calhoun-
509 AM CDT Sun May 21 2017

This hazardous weather outlook is for South Texas and the Middle
Texas Coastal Waters.

.DAY ONE...Today and Tonight

Scattered to numerous thunderstorms are expected today and
tonight across South Texas. There is a slight risk of severe
thunderstorms across the Rio Grande Plains and a marginal risk
across the remainder of South Texas. Damaging wind and large hail
will be the primary threat with tornadoes a lower threat.

Heavy rainfall with localized minor flooding will be possible
today and tonight, mainly across interior portions of South
Texas.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Scattered thunderstorms are expected Monday through Tuesday night.
Although a few strong storms are possible on Monday, producing hail
and gusty winds, the main concern will be locally heavy rainfall and
possible flooding. The main concern for flooding will be over the
Victoria Crossroads region and coastal counties, with flooding more
isolated farther west. Non severe thunderstorms are possible on
Tuesday and Tuesday evening.

Small Craft Advisory conditions are possible over the Gulf of Mexico
late Thursday night and Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later today or tonight and
possibly again Monday.

TE/GW

In the hours before

Special weather statement, May 21, 6:41 PM CDT, 2 hours 15 minutes before

Special Weather Statement
National Weather Service Corpus Christi TX
641 PM CDT SUN MAY 21 2017

TXZ239-220030-
Webb-
641 PM CDT SUN MAY 21 2017

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL WEBB COUNTY...

At 640 PM CDT, a strong thunderstorm was located near Columbia
Bridge, or 24 miles northwest of Laredo, moving east at 25 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Laredo, Rio Bravo, Laredo International Airport, Botines, Unitec
Industrial Park, Ranchos Penitas West, Columbia Bridge, United South
High School, Texas A&M International University, St Augustine High
School South Laredo, Doctors Hospital Of Laredo, Laredo Community
College, Laredo Country Club and Orvil.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 2749 9948 2750 9953 2757 9951 2761 9954
      2760 9958 2761 9958 2764 9960 2764 9963
      2763 9964 2764 9967 2766 9967 2766 9971
      2772 9976 2774 9980 2777 9981 2776 9984
      2779 9985 2778 9939 2736 9937 2735 9951
TIME...MOT...LOC 2340Z 278DEG 21KT 2770 9984

TJC

Special weather statement, May 21, 7:08 PM CDT, 1 hour 48 minutes before

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Local storm report, May 21, 7:52 PM CDT, 1 hour 4 minutes before

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Local storm report, May 21, 8:17 PM CDT, 39 minutes before

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Local storm report, May 21, 8:24 PM CDT, 32 minutes before

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Local storm report, May 21, 8:51 PM CDT, 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:08 PM CDT	Special Weather Statement	CRP	Webb	37 min
May 21, 7:30 PM CDT	Severe Thunderstorm Warning	CRP	Webb	45 min
May 21, 8:19 PM CDT	Severe Thunderstorm Warning	CRP	Webb	30 min
May 21, 8:50 PM CDT	Areal Flood Warning	CRP	Webb	3 hr
May 22, 2:16 AM CDT	Special Weather Statement	CRP	Calhoun	44 min
May 22, 2:25 AM CDT	Special Marine Warning	CRP		35 min
May 22, 2:39 AM CDT	Special Weather Statement	CRP	McMullen	51 min
May 22, 3:08 AM CDT	Special Weather Statement	CRP	Victoria	52 min
May 22, 3:26 AM CDT	Special Marine Warning	CRP		49 min
May 22, 4:01 AM CDT	Special Weather Statement	CRP	Victoria	44 min
May 22, 4:13 AM CDT	Flash Flood Warning	CRP	Calhoun	3 hr
May 22, 4:30 AM CDT	Special Weather Statement	CRP	Calhoun	45 min
May 22, 5:03 AM CDT	Special Marine Warning	CRP		42 min
May 22, 5:17 AM CDT	Special Weather Statement	CRP	Calhoun	58 min
May 22, 6:45 AM CDT	Special Marine Warning	CRP		30 min
May 22, 7:34 AM CDT	Special Marine Warning	CRP		56 min

Nearby

River Flood Warnings in Texas, 2017 Every river flood warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.