Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 9, NWS Houston/Galveston, TX

June 9, 20104 counties in Texas

NWS Houston/Galveston, TX issued this flash flood warning at Jun 9, 2010, 6:05 PM CDT for 4 counties in Texas. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 9, 2010, 6:05 PM CDT (23:05 UTC)
Expired: Jun 9, 2010, 8:00 PM CDT
In force: 115 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Flood severity: None

Counties Brazos County, TX, Grimes County, TX, Madison County, TX, Walker County, TX

The radar

The Ft Hood radar (KGRK), 137 km from the middle of the area, began a volume at 23:05 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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.1 hours before the alert went out and 272 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: 3174 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 576 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

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 Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at Jun 9, 3:20 PM CDT, 2 hours 45 minutes earlier.

Area forecast discussion, Jun 9, 3:20 PM CDT, 2 hours 45 minutes before

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Hazardous weather outlook, Jun 9, 2:53 PM CDT, 3 hours 12 minutes before

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In the hours before

Local storm report, Jun 9, 12:35 PM CDT, 5 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1235 PM CDT WED JUN 09 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0945 AM     FLASH FLOOD      BRYAN                   30.67N 96.37W
06/09/2010                   BRAZOS             TX   LAW ENFORCEMENT

            HIGH WATER IN BRYAN NEAR WEST 28TH AND SOUTH. PEACH CREEK
            ROAD IMPASSABLE

0945 AM     FLASH FLOOD      MILLICAN                30.47N 96.20W
06/09/2010                   BRAZOS             TX   LAW ENFORCEMENT

            HIGH WATER ON FM159.

0950 AM     FLASH FLOOD      3 S IOLA                30.73N 96.07W
06/09/2010                   GRIMES             TX   LAW ENFORCEMENT

            HIGH WATER ON FM244 BETWEEN IOLA AND KEITH.

0950 AM     FLASH FLOOD      CALDWELL                30.53N 96.70W
06/09/2010                   BURLESON           TX   LAW ENFORCEMENT

            NUMEROUS ROADS HAVE HIGH WATER THROUGHOUT THE COUNTY
            INCLUDING CR377...FM908...FM60 WEST...FM 1361...HWY 36
            NORTH NEAR COUNTY LINE.

0955 AM     LIGHTNING        COLLEGE STATION         30.60N 96.31W
06/09/2010                   BRAZOS             TX   EMERGENCY MNGR

            LIGHTNING KNOCKED OUT POWER IN PORTIONS OF THE CITY.

0955 AM     FLASH FLOOD      COLLEGE STATION         30.60N 96.31W
06/09/2010                   BRAZOS             TX   EMERGENCY MNGR

            HIGH WATER AT SOUTHWEST PARKWAY AT WELCH AND AT DEACON
            AND AURORA.

1046 AM     FLASH FLOOD      COLLEGE STATION         30.60N 96.31W
06/09/2010                   BRAZOS             TX   BROADCAST MEDIA

            KING COLE STREET IN COLLEGE STATION CLOSED.

1046 AM     FLASH FLOOD      COLLEGE STATION         30.60N 96.31W
06/09/2010                   BRAZOS             TX   BROADCAST MEDIA

            LOW WATER OVER BRIDGE ON SOUTHWOOD WITH BEE CREEK FLOWING
            OVER ITS BANKS IN COLLEGE STATION.

&&

GHAFELE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 4:57 AM CDT	Flood Watch	HGX	Austin, Brazos, Burleson, Colorado, Grimes, Houston and 8 more	34 hr
Jun 9, 5:43 AM CDT	Special Weather Statement	HGX	Grimes	62 min
Jun 9, 7:12 AM CDT	Tornado Warning	HGX	Grimes, Montgomery, Walker	24 min
Jun 9, 7:57 AM CDT	Tornado Warning	HGX	Houston, Madison, Walker	33 min
Jun 9, 8:29 AM CDT	Tornado Warning	HGX	Houston, Trinity, Walker	31 min
Jun 9, 8:58 AM CDT	Flash Flood Warning	HGX	Brazos, Burleson, Grimes, Washington	2 hr
Jun 9, 9:07 AM CDT	Special Weather Statement	HGX	Madison, Walker	53 min
Jun 9, 10:22 AM CDT	Special Weather Statement	HGX	Houston, Trinity	53 min
Jun 9, 10:40 AM CDT	Severe Thunderstorm Warning	HGX	Austin, Colorado, Washington	65 min
Jun 9, 10:57 AM CDT	Flash Flood Warning	HGX	Brazos, Burleson, Grimes, Madison, Washington	3 hr
Jun 9, 11:42 AM CDT	Special Weather Statement	HGX	Brazos	63 min
Jun 9, 12:40 PM CDT	Severe Thunderstorm Warning	HGX	Grimes, Montgomery, Walker	50 min
Jun 9, 12:46 PM CDT	Tornado Warning	HGX	Montgomery	29 min
Jun 9, 1:54 PM CDT	Flash Flood Warning	HGX	Brazos, Burleson, Grimes, Madison, Washington	111 min
Jun 9, 2:50 PM CDT	Severe Thunderstorm Warning	HGX	Liberty, Polk, San Jacinto	40 min
Jun 9, 4:26 PM CDT	River Flood Warning	HGX	Burleson, Washington	18 hr
Jun 9, 4:26 PM CDT	River Flood Warning	HGX	Burleson, Lee	18 hr
Jun 9, 4:26 PM CDT	River Flood Warning	HGX	Burleson, Lee	45 hr
Jun 9, 4:51 PM CDT	Areal Flood Advisory	HGX	Brazos, Burleson, Grimes, Madison, Walker	114 min

Nearby

Flash Flood Warnings in Texas, 2010 Every flash flood warning in 2010

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.