Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 336, NWS Fort Worth, TX

July 6, 2007Leon County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jul 6, 2007, 12:09 AM CDT for Leon County, 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: Jul 6, 2007, 12:09 AM CDT (05:09 UTC)
Expired: Jul 6, 2007, 3:15 AM CDT
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Whole counties

County Leon County, TX

The radar

The Ft Hood radar (KGRK), 147 km from the middle of the area, began a volume at 05:08 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, 5.2 hours before the alert went out and 210 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: 19 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 860 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: -25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 5, 11:36 PM CDT, 33 minutes earlier.

Area forecast discussion, Jul 5, 11:36 PM CDT, 33 minutes before

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Hazardous weather outlook, Jul 5, 8:27 PM CDT, 3 hours 42 minutes before

HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
827 PM CDT THU JUL 5 2007

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-061000-
ANDERSON-BELL-BOSQUE-COLLIN-COMANCHE-COOKE-CORYELL-DALLAS-DELTA-
DENTON-EASTLAND-ELLIS-ERATH-FALLS-FANNIN-FREESTONE-GRAYSON-HAMILTON-
HENDERSON-HILL-HOOD-HOPKINS-HUNT-JACK-JOHNSON-KAUFMAN-LAMAR-LAMPASAS-
LEON-LIMESTONE-MCLENNAN-MILAM-MILLS-MONTAGUE-NAVARRO-PALO PINTO-
PARKER-RAINS-ROBERTSON-ROCKWALL-SOMERVELL-STEPHENS-TARRANT-VAN ZANDT-
WISE-YOUNG-
827 PM CDT THU JUL 5 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THROUGH TONIGHT
A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF NORTH TEXAS
TONIGHT.

SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL WILL BE QUITE
ACTIVE EAST OF I-35 OVERNIGHT...ESPECIALLY AFTER MIDNIGHT AND
PARTICULARLY EAST OF A BONHAM TO CENTERVILLE LINE.  OVERNIGHT RAIN
AMOUNTS UP TO 2 INCHES WITH ISOLATED POCKETS AROUND 3 INCHES ARE
POSSIBLE. CLOUD TO GROUND LIGHTNING WILL BE A THREAT NEAR
THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...
THE THREAT OF HEAVY RAIN AND FLASH FLOODING WILL CONTINUE ACROSS ALL
OF NORTH TEXAS FRIDAY.

ALTHOUGH THE COVERAGE OF RAIN ACTIVITY WILL BE MUCH LESS THIS WEEKEND
AND NEXT WEEK...INDIVIDUAL SHOWERS AND THUNDERSTORMS COULD PRODUCE
VERY HEAVY RAINFALL AND FLASH FLOODING.

.SPOTTER INFORMATION STATEMENT...
LIMITED SPOTTER ACTIVATION MAY BE REQUESTED OVER NIGHT...
GENERALLY EAST OF I 35.

In the hours before

Local storm report, Jul 5, 8:46 PM CDT, 3 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
846 PM CDT THU JUL 05 2007

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

0837 PM     FLOOD            PALESTINE               31.76N  95.65W
07/05/2007                   ANDERSON           TX   LAW ENFORCEMENT

            SEVERAL COUNTY ROADS (CR420, CR463, AND CR 475 BETWEEN
            HWY(S) 287 AND CR473) COVERED WITH WATER.

Local storm report, Jul 5, 11:28 PM CDT, 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1128 PM CDT THU JUL 05 2007

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

1100 PM     FLASH FLOOD      1 W MALAKOFF            32.17N  96.03W
07/05/2007                   HENDERSON          TX   LAW ENFORCEMENT

            HIGHWAY 31 BETWEEN TRINIDAD AND MALAKOFF HAS WATER OVER
            THE ROAD.

Local storm report, Jul 5, 11:34 PM CDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1134 PM CDT THU JUL 05 2007

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

1134 PM     FLOOD            POINT                   32.93N  95.87W
07/05/2007                   RAINS              TX   LAW ENFORCEMENT

            WATER OVER SEVERAL RDS IN THE TOWN OF POINT IN NW PTN OF
            THE COUNTY.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 8:23 PM CDT	Flash Flood Warning	FWD	Van Zandt	3 hr
Jul 5, 8:40 PM CDT	Flash Flood Warning	FWD	Anderson	2 hr
Jul 5, 9:03 PM CDT	River Flood Warning	FWD	Collin	48 hr
Jul 5, 9:36 PM CDT	Flash Flood Warning	FWD	Henderson	114 min
Jul 5, 10:13 PM CDT	Flash Flood Warning	FWD	Rains	4 hr
Jul 5, 10:40 PM CDT	Flash Flood Warning	FWD	Ellis, Kaufman	4 hr
Jul 5, 10:40 PM CDT	Flash Flood Warning	FWD	Ellis, Hopkins, Hunt, Kaufman, Rockwall	4 hr
Jul 5, 10:45 PM CDT	Flash Flood Warning	FWD	Anderson	3 hr
Jul 5, 11:17 PM CDT	Flash Flood Warning	FWD	Van Zandt	2 hr
Jul 6, 12:29 AM CDT	Flash Flood Warning	FWD	Henderson, Navarro	3 hr
Jul 6, 1:36 AM CDT	Flash Flood Warning	FWD	Van Zandt	114 min
Jul 6, 1:40 AM CDT	Flash Flood Warning	FWD	Anderson	3 hr
Jul 6, 2:09 AM CDT	Flash Flood Warning	FWD	Rains	2 hr
Jul 6, 2:41 AM CDT	Flash Flood Warning	FWD	Hopkins, Hunt, Kaufman	3 hr
Jul 6, 3:07 AM CDT	Flash Flood Warning	FWD	Leon	113 min
Jul 6, 3:24 AM CDT	Flash Flood Warning	FWD	Henderson, Van Zandt	2 hr
Jul 6, 4:11 AM CDT	Flash Flood Warning	FWD	Rains	3 hr
Jul 6, 4:55 AM CDT	Flash Flood Warning	FWD	Leon	3 hr
Jul 6, 5:27 AM CDT	Flash Flood Warning	FWD	Henderson, Van Zandt	3 hr
Jul 6, 5:44 AM CDT	Flash Flood Warning	FWD	Kaufman	3 hr
Jul 6, 7:32 AM CDT	Flash Flood Warning	FWD	Ellis	3 hr
Jul 6, 10:48 AM CDT	River Flood Warning	FWD	Limestone	22 hr

Nearby

Flash Flood Warnings in Texas, 2007 Every flash flood warning in 2007

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.