Alert archive / Texas / Flash Flood Warnings in 2009

Flash Flood Warning 100, NWS Fort Worth, TX

October 22, 20096 counties in Texas

NWS Fort Worth, TX issued this flash flood warning at Oct 22, 2009, 1:25 AM CDT for 6 counties in 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: Oct 22, 2009, 1:25 AM CDT (06:25 UTC)
Expired: Oct 22, 2009, 4:30 AM CDT
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

Counties Bosque County, TX, Coryell County, TX, Hamilton County, TX, Hill County, TX, Lampasas County, TX, McLennan County, TX

The radar

The Ft Hood radar (KGRK), 104 km from the middle of the area, began a volume at 06:25 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

Fort Worth, TX (KFWD), launched 00:00Z, 6.4 hours before the alert went out and 139 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: 245 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 477 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 328 m²/s²
0-3 km storm-relative helicity: 425 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Fort Worth, TX wrote its last area forecast discussion before this flash flood warning went out at Oct 21, 11:55 PM CDT, 1 hour 30 minutes earlier.

Area forecast discussion, Oct 21, 11:55 PM CDT, 1 hour 30 minutes before

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Hazardous weather outlook, Oct 21, 7:35 PM CDT, 5 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
735 PM CDT WED OCT 21 2009

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-230045-
MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN-
HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS-
ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL-
JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-NAVARRO-
FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-LIMESTONE-
LEON-MILAM-ROBERTSON-
735 PM CDT WED OCT 21 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TONIGHT.

A FLASH FLOOD WATCH IS IN EFFECT THROUGH 6 AM THURSDAY MORNING ALONG
AND EAST OF A LINE FROM BOWIE TO WEATHERFORD AND COPPERAS COVE.

HEAVY RAINFALL IS LIKELY ACROSS A LARGE PORTION OF NORTH TEXAS TONIGHT
WITH TOTALS OF 1 TO 3 INCHES AND ISOLATED AMOUNTS IN EXCESS OF 4
INCHES. FLASH FLOODING IS EXPECTED.

ISOLATED THUNDERSTORMS ARE ALSO POSSIBLE LATE TONIGHT...BUT NO
SEVERE WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THUNDERSTORMS WILL TAPER OFF FROM WEST TO EAST THURSDAY AS A COLD
FRONT SWEEPS THROUGH NORTH TEXAS. SOME LOCALLY HEAVY RAINFALL MAY
STILL BE POSSIBLE ACROSS FAR EASTERN NORTH TEXAS THROUGH MID-
MORNING.

LOW THUNDERSTORM CHANCES WILL RETURN SUNDAY NIGHT AND MONDAY...AS
ANOTHER COLD FRONT AND DISTURBANCE ALOFT AFFECT THE AREA.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED FOR FLOODING PROBLEMS.

In the hours before

Local storm report, Oct 21, 8:46 PM CDT, 4 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
846 PM CDT WED OCT 21 2009

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

0843 PM     FLASH FLOOD      WHITESBORO              33.65N  96.92W
10/21/2009                   GRAYSON            TX   BROADCAST MEDIA

            HIGH WATER ALONG HIGHWAY 377 IN WHITESBORO WITH HIGH
            WATER RESCUES FROM 2 VEHICLES

Local storm report, Oct 21, 9:57 PM CDT, 3 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
957 PM CDT WED OCT 21 2009

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

0954 PM     FLASH FLOOD      5 SE SPRINGTOWN         32.92N  97.62W
10/21/2009                   PARKER             TX   LAW ENFORCEMENT

            FOUR FEET OF WATER OVER SABATHNEY ROAD & ICEHOUSE ROAD
            WEST OF AZLE.

Local storm report, Oct 21, 9:57 PM CDT, 3 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
957 PM CDT WED OCT 21 2009

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

0954 PM     FLASH FLOOD      5 SE SPRINGTOWN         32.92N  97.62W
10/21/2009                   PARKER             TX   LAW ENFORCEMENT

            FOUR FEET OF WATER ON ICEHOUSE ROAD NEAR SABATHNEY.

Local storm report, Oct 21, 10:48 PM CDT, 2 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1048 PM CDT WED OCT 21 2009

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

1035 PM     FLASH FLOOD      GAINESVILLE             33.63N  97.15W
10/21/2009                   COOKE              TX   LAW ENFORCEMENT

            CAR WASHED OFF OF CHESTNUT ROAD IN GAINESVILLE.

Local storm report, Oct 21, 11:17 PM CDT, 2 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1117 PM CDT WED OCT 21 2009

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

1115 PM     FLASH FLOOD      5 NW CLEBURNE           32.40N  97.46W
10/21/2009                   JOHNSON            TX   LAW ENFORCEMENT

            A FEW RURAL ROADS AROUND THE COUNTY ARE CLOSED DUE TO
            HIGH WATER

Local storm report, Oct 22, 12:59 AM CDT, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1259 AM CDT THU OCT 22 2009

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

1234 AM     FLASH FLOOD      5 E GRANBURY            32.45N  97.71W
10/22/2009                   HOOD               TX   TRAINED SPOTTER

            CREEKS 3 TO 5 FEET OVER THEIR BANKS AT DECORDOVA...5
            MILES EAST OF GRANBURY

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 21, 7:03 PM CDT	Areal Flood Advisory	FWD	Cooke, Grayson	3 hr
Oct 21, 7:15 PM CDT	Flash Flood Warning	FWD	Collin, Cooke, Grayson	3 hr
Oct 21, 8:35 PM CDT	Areal Flood Advisory	FWD	Comanche, Eastland, Erath, Hood, Jack, Montague and 5 more	115 min
Oct 21, 9:12 PM CDT	Flash Flood Warning	FWD	Denton, Hood, Johnson, Somervell, Tarrant	5 hr
Oct 21, 9:20 PM CDT	River Flood Warning	FWD	Dallas	70 hr
Oct 21, 9:34 PM CDT	River Flood Warning	FWD	Collin	37 hr
Oct 21, 10:10 PM CDT	River Flood Warning	FWD	Hunt, Rockwall	35 hr
Oct 21, 10:11 PM CDT	Flash Flood Warning	FWD	Grayson	3 hr
Oct 21, 10:35 PM CDT	Areal Flood Advisory	FWD	Collin, Dallas, Denton, Rockwall	3 hr
Oct 21, 10:41 PM CDT	Areal Flood Advisory	FWD	Anderson, Dallas, Henderson, Kaufman, Navarro, Rains and 2 more	3 hr
Oct 21, 10:51 PM CDT	Flash Flood Warning	FWD	Cooke, Montague	114 min
Oct 21, 11:06 PM CDT	Areal Flood Advisory	FWD	Coryell, Lampasas	3 hr
Oct 21, 11:11 PM CDT	Areal Flood Advisory	FWD	Delta, Fannin, Hopkins, Hunt, Lamar	3 hr
Oct 22, 12:26 AM CDT	River Flood Warning	FWD	Denton	27 hr
Oct 22, 12:43 AM CDT	Areal Flood Advisory	FWD	Bosque, Hill, Johnson, McLennan, Somervell	3 hr
Oct 22, 1:46 AM CDT	Areal Flood Advisory	FWD	Dallas, Ellis, Navarro	119 min
Oct 22, 1:46 AM CDT	River Flood Warning	FWD	Wise	46 hr
Oct 22, 2:02 AM CDT	Areal Flood Advisory	FWD	Anderson, Henderson, Rains, Van Zandt	118 min
Oct 22, 3:09 AM CDT	Areal Flood Advisory	FWD	Hood, Johnson, Parker, Somervell, Tarrant	111 min
Oct 22, 3:39 AM CDT	River Flood Warning	FWD	Coryell	10 hr
Oct 22, 3:59 AM CDT	River Flood Warning	FWD	Lampasas	6 hr
Oct 22, 4:35 AM CDT	Areal Flood Advisory	FWD	Bell, Bosque, Coryell, Hill, Lampasas, McLennan	3 hr
Oct 22, 4:37 AM CDT	Areal Flood Advisory	FWD	Bell, Bosque, Hill, Lampasas, McLennan	3 hr
Oct 22, 4:38 AM CDT	Flash Flood Warning	FWD	Coryell	4 hr
Oct 22, 4:52 AM CDT	Flash Flood Warning	FWD	Bosque, Hill	113 min
Oct 22, 5:01 AM CDT	Areal Flood Advisory	FWD	Johnson	3 hr
Oct 22, 5:23 AM CDT	River Flood Warning	FWD	Navarro	63 hr
Oct 22, 5:23 AM CDT	River Flood Warning	FWD	Henderson, Navarro	15 days
Oct 22, 5:53 AM CDT	River Flood Warning	FWD	Coryell	22 hr
Oct 22, 6:43 AM CDT	Flash Flood Warning	FWD	Bosque	2 hr
Oct 22, 7:26 AM CDT	River Flood Warning	FWD	Hunt	25 hr
Oct 22, 8:05 AM CDT	River Flood Warning	FWD	McLennan	86 min
Oct 22, 8:34 AM CDT	Areal Flood Warning	FWD	Bell, Falls	4 hr
Oct 22, 8:40 AM CDT	Areal Flood Warning	FWD	Johnson	4 hr
Oct 22, 8:46 AM CDT	Areal Flood Warning	FWD	Bosque, Coryell, Hill, McLennan	4 hr
Oct 22, 9:13 AM CDT	Areal Flood Warning	FWD	Cooke	3 hr
Oct 22, 9:29 AM CDT	Areal Flood Warning	FWD	Anderson	14 hr
Oct 22, 9:49 AM CDT	River Flood Warning	FWD	Dallas, Tarrant	11 hr
Oct 22, 9:49 AM CDT	River Flood Warning	FWD	Collin	12 hr
Oct 22, 11:08 AM CDT	River Flood Warning	FWD	Ellis, Kaufman	23 hr

Nearby

Flash Flood Warnings in Texas, 2009 Every flash flood warning in 2009

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.