Alert archive / Texas / River Flood Warnings in 2015

River Flood Warning 38, NWS Houston/Galveston, TX

April 27, 2015Brazoria County, Fort Bend County, Wharton County, Texas

NWS Houston/Galveston, TX issued this river flood warning at Apr 27, 2015, 2:40 AM CDT for Brazoria County, Fort Bend County, Wharton County, Texas. It was in force for 61 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2015, 2:40 AM CDT (07:40 UTC)
Expired
Apr 29, 2015, 3:40 PM CDT
In force
61 hr
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Flood severity
Minor

Counties Brazoria County, TX, Fort Bend County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 73 km from the middle of the area, began a volume at 07:43 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 San Bernard River near Boling (BOLT2). The gauge peaked at 20.30 ft at Apr 27, 2015, 11:00 AM CDT.

actionminormoderate10152004/2704/2804/2904/30
Action stage
14 ft
Minor stage
18 ft
Moderate stage
22 ft
Major stage
32 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08117500, 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 Houston/Galveston, TX wrote its last area forecast discussion before this river flood warning went out at Apr 26, 11:48 PM CDT, 2 hours 52 minutes earlier.

Area forecast discussion, Apr 26, 11:48 PM CDT, 2 hours 52 minutes before
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Hazardous weather outlook, Apr 26, 3:46 PM CDT, 10 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
346 PM CDT SUN APR 26 2015

TXZ163-164-176>179-195>200-210>214-226-227-235>238-272100-
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA-
MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON-
WHARTON-
346 PM CDT SUN APR 26 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...TONIGHT

AREAS OF LIGHT FOG MAY BE POSSIBLE ACROSS THE COASTAL AREAS
TONIGHT WITH VISIBILITIES OF 2 TO 5 MILES.

AN UPPER LEVEL DISTURBANCE WILL APPROACH FROM THE WEST AFTER
MIDNIGHT. THIS FEATURE WILL GENERATE SHOWERS AND THUNDERSTORMS
OVER THE WESTERN PORTIONS OF SOUTHEAST TEXAS GENERALLY ALONG AND
WEST OF AN EDNA TO HUNTSVILLE LINE. A FEW OF THE STORMS COULD
BECOME STRONG TO SEVERE WITH LARGE HAIL AND DAMAGING WINDS. HEAVY
RAIN WILL BE POSSIBLE THERE AS WELL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ON MONDAY A POTENT STORM SYSTEM WILL MOVE THROUGH THE AREA
BRINGING A WIDESPREAD THREAT OF VERY HEAVY RAINFALL AND SEVERE
WEATHER. THE POTENTIAL EXISTS FOR LARGE HAIL...DAMAGING WINDS AND
ISOLATED TORNADOES. MOISTURE LEVELS ARE ALSO VERY HIGH SO FLOODING
ISSUES FROM LOCALLY HEAVY RAIN WILL ALSO BE A POSSIBILITY. A LARGE
SWATH OF 1 TO 2 INCHES OF RAIN IS EXPECTED TO DEVELOP AND SPREAD
WEST TO EAST OF ACROSS THE AREA WITH SOME POTENTIAL FOR ISOLATED
AMOUNTS IN EXCESS OF 5 INCHES.

A COLD FRONT WILL CROSS SOUTHEAST TEXAS LATE MONDAY NIGHT. THE
FRONT WILL USHER IN MUCH COOLER TEMPERATURES. WINDS WILL BECOME
STRONG BEHIND THE FRONT AND A WIND ADVISORY MAY BE REQUIRED ALONG
THE COAST EARLY TUESDAY.

.SPOTTER INFORMATION STATEMENT...

EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD PREPARE FOR POSSIBLE
ACTIVATION LATE TONIGHT AND AGAIN ON MONDAY.

GMZ330-335-350-355-370-375-272100-
GALVESTON BAY-MATAGORDA BAY-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM-
WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM-
WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-
346 PM CDT SUN APR 26 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A VIGOROUS UPPER LEVEL STORM SYSTEM WILL BRING SCATTERED TO
NUMEROUS SHOWERS AND THUNDERSTORMS TO THE REGION ON MONDAY.
A FEW OF THE STORMS WILL PRODUCE STRONG GUSTY WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 7:15 PM CDTSpecial Marine WarningHGX90 min
Apr 26, 7:24 PM CDTSevere Thunderstorm WarningHGXBrazoria, Galveston, Harris23 min
Apr 27, 2:42 AM CDTSpecial Weather StatementHGXAustin, Brazos, Burleson, Colorado, Grimes, Washington78 min
Apr 27, 3:11 AM CDTSpecial Weather StatementHGXGrimes, Houston, Madison, Walker64 min
Apr 27, 3:21 AM CDTSevere Thunderstorm WarningHGXAustin, Brazos, Burleson, Colorado, Grimes, Madison and 2 more24 min
Apr 27, 3:44 AM CDTSevere Thunderstorm WarningHGXHouston31 min
Apr 27, 3:52 AM CDTSevere Thunderstorm WarningHGXAustin, Brazos, Burleson, Colorado, Fort Bend, Grimes and 6 more38 min
Apr 27, 3:59 AM CDTTornado WarningHGXGrimes, Montgomery, Walker31 min
Apr 27, 4:17 AM CDTAreal Flood AdvisoryHGXBrazos, Grimes, Madison, Walker118 min
Apr 27, 4:17 AM CDTSevere Thunderstorm WarningHGXHouston13 min
Apr 27, 4:27 AM CDTSevere Thunderstorm WarningHGXGrimes, Harris, Liberty, Montgomery, Polk, San Jacinto and 1 more78 min
Apr 27, 4:33 AM CDTSevere Thunderstorm WarningHGXHouston, Trinity27 min
Apr 27, 4:36 AM CDTTornado WarningHGXPolk, San Jacinto, Trinity, Walker39 min
Apr 27, 4:40 AM CDTSevere Thunderstorm WarningHGXHouston, Polk, San Jacinto, Trinity, Walker35 min
Apr 27, 4:46 AM CDTAreal Flood AdvisoryHGXHouston, Madison, Polk, San Jacinto, Trinity, Walker119 min
Apr 27, 4:52 AM CDTTornado WarningHGXLiberty, Polk, San Jacinto23 min
Apr 27, 5:24 AM CDTSevere Thunderstorm WarningHGXPolk21 min
Apr 27, 5:40 AM CDTSpecial Weather StatementHGXBrazos, Grimes, Houston, Madison, Montgomery, Polk and 3 more65 min
Apr 27, 5:42 AM CDTSevere Thunderstorm WarningHGXChambers, Harris, Liberty63 min
Apr 27, 5:48 AM CDTSpecial Weather StatementHGXLiberty42 min
Apr 27, 6:45 AM CDTSpecial Weather StatementHGXLiberty45 min
Apr 27, 1:56 PM CDTSpecial Weather StatementHGXLiberty34 min
Apr 27, 2:44 PM CDTSpecial Marine WarningHGX46 min
Apr 27, 3:29 PM CDTSpecial Marine WarningHGX61 min
Apr 27, 3:31 PM CDTSpecial Marine WarningHGX44 min
Apr 27, 3:41 PM CDTSmall Craft AdvisoryHGX6 hr
Apr 27, 3:41 PM CDTSmall Craft AdvisoryHGX39 hr
Apr 27, 4:19 PM CDTSpecial Marine WarningHGX56 min
Apr 27, 4:47 PM CDTSpecial Weather StatementHGXChambers43 min
Apr 27, 5:13 PM CDTSpecial Weather StatementHGXGrimes47 min
Apr 27, 5:55 PM CDTSpecial Weather StatementHGXGrimes, Washington35 min

Nearby

River Flood Warnings in Texas, 2015Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.