Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 64, NWS Fort Worth, TX

September 8, 2010Cooke County, Texas

NWS Fort Worth, TX issued this flash flood warning at Sep 8, 2010, 9:05 AM CDT for Cooke County, Texas. It was in force for 4 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: Sep 8, 2010, 9:05 AM CDT (14:05 UTC)
Expired: Sep 8, 2010, 1:00 PM CDT
In force: 4 hr
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

County Cooke County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 119 km from the middle of the area, began a volume at 14:08 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 12:00Z, 2.1 hours before the alert went out and 90 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: 45 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 457 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 281 m²/s²
0-3 km storm-relative helicity: 315 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Sep 8, 6:26 AM CDT, 2 hours 39 minutes earlier.

Area forecast discussion, Sep 8, 6:26 AM CDT, 2 hours 39 minutes before

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Hazardous weather outlook, Sep 8, 3:48 AM CDT, 5 hours 17 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
348 AM CDT WED SEP 8 2010

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-091100-
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-
348 AM CDT WED SEP 8 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.
A FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT FOR AREAS WEST
OF A LINE FROM HEARNE TO ENNIS TO SHERMAN AS THE REMNANTS OF
TROPICAL STORM HERMINE SPREAD HEAVY RAINFALL ACROSS THE REGION.
ADDITIONAL RAINFALL AMOUNTS BETWEEN 3 AND 5 INCHES ARE POSSIBLE
WITH ISOLATED AMOUNTS IN EXCESS OF 6 INCHES. BRIEF TROPICAL FUNNEL CLOUDS
OR ISOLATED TORNADOES ARE ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
SCATTERED THUNDERSTORMS WILL LINGER ACROSS NORTH TEXAS ON THURSDAY
WITH THE BEST CHANCES ACROSS THE NORTHEAST SECTIONS DURING THE
MORNING HOURS.

A SLIGHT CHANCE OF THUNDERSTORMS WILL RETURN TO THE REGION ON SATURDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED WEST OF SHERMAN...WAXAHACHIE
TO HEARNE LINE MAINLY FOR FLOODING. HOWEVER...ISOLATED SPOTTER
ACTIVATION FOR TORNADOES IS ALSO POSSIBLE ACROSS THE WESTERN TWO
THIRDS OF NORTH TEXAS.

In the hours before

Local storm report, Sep 8, 7:25 AM CDT, 1 hour 40 minutes before

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Local storm report, Sep 8, 8:07 AM CDT, 58 minutes before

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Local storm report, Sep 8, 8:08 AM CDT, 57 minutes before

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Local storm report, Sep 8, 8:14 AM CDT, 51 minutes before

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Local storm report, Sep 8, 8:17 AM CDT, 48 minutes before

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Local storm report, Sep 8, 8:58 AM CDT, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 7, 7:43 PM CDT	Flash Flood Warning	FWD	Bell, Coryell	3 hr
Sep 7, 8:50 PM CDT	Areal Flood Advisory	FWD	Lampasas	3 hr
Sep 7, 9:24 PM CDT	Areal Flood Advisory	FWD	Coryell, Hamilton, Mills	3 hr
Sep 7, 10:29 PM CDT	Flash Flood Warning	FWD	Bell, Bosque, Comanche, Coryell, Eastland, Erath and 7 more	4 hr
Sep 7, 10:34 PM CDT	Tornado Warning	FWD	Hamilton	21 min
Sep 7, 11:44 PM CDT	Areal Flood Advisory	FWD	Bosque, Dallas, Ellis, Hill, Hood, Johnson and 4 more	4 hr
Sep 8, 12:05 AM CDT	River Flood Warning	FWD	Coryell	4 hr
Sep 8, 12:50 AM CDT	Areal Flood Advisory	FWD	Wise	4 hr
Sep 8, 1:50 AM CDT	Flash Flood Warning	FWD	Bell	3 hr
Sep 8, 2:17 AM CDT	Flash Flood Warning	FWD	Bosque, Coryell, McLennan	3 hr
Sep 8, 3:08 AM CDT	Areal Flood Advisory	FWD	Collin, Dallas, Denton, Ellis, Hill, Johnson and 2 more	3 hr
Sep 8, 3:17 AM CDT	Areal Flood Advisory	FWD	Cooke, Hood, Jack, Montague, Palo Pinto, Parker and 4 more	3 hr
Sep 8, 3:23 AM CDT	Special Weather Statement	FWD	McLennan	22 min
Sep 8, 3:40 AM CDT	River Flood Warning	FWD	Denton	53 hr
Sep 8, 3:40 AM CDT	River Flood Warning	FWD	Dallas	4 days
Sep 8, 3:41 AM CDT	River Flood Warning	FWD	Coryell	28 hr
Sep 8, 3:48 AM CDT	Flash Flood Warning	FWD	Bosque, Hill, McLennan	3 hr
Sep 8, 3:59 AM CDT	Special Weather Statement	FWD	Bell	31 min
Sep 8, 4:18 AM CDT	Flash Flood Warning	FWD	Johnson, Parker, Tarrant	3 hr
Sep 8, 4:21 AM CDT	River Flood Warning	FWD	Dallas	15 hr
Sep 8, 4:23 AM CDT	Tornado Warning	FWD	Coryell, McLennan	37 min
Sep 8, 4:35 AM CDT	Flash Flood Warning	FWD	Bell	4 hr
Sep 8, 4:45 AM CDT	Special Weather Statement	FWD	Hill	30 min
Sep 8, 4:55 AM CDT	River Flood Warning	FWD	Bell	28 hr
Sep 8, 5:16 AM CDT	Flash Flood Warning	FWD	Denton, Wise	3 hr
Sep 8, 5:21 AM CDT	Flash Flood Warning	FWD	McLennan	84 min
Sep 8, 5:56 AM CDT	Areal Flood Advisory	FWD	Limestone	3 hr
Sep 8, 5:59 AM CDT	Areal Flood Advisory	FWD	Collin, Dallas, Ellis, Kaufman, Navarro, Rockwall	3 hr
Sep 8, 6:14 AM CDT	Areal Flood Advisory	FWD	Bosque, Coryell	3 hr
Sep 8, 6:37 AM CDT	Flash Flood Warning	FWD	Bosque, Coryell, Hill, McLennan	3 hr
Sep 8, 7:01 AM CDT	Flash Flood Warning	FWD	Dallas, Ellis, Limestone, Navarro	119 min
Sep 8, 7:11 AM CDT	Flash Flood Warning	FWD	Johnson, Tarrant	3 hr
Sep 8, 7:22 AM CDT	Areal Flood Advisory	FWD	Falls, Milam, Robertson	3 hr
Sep 8, 8:11 AM CDT	Flash Flood Warning	FWD	Denton, Wise	3 hr
Sep 8, 8:20 AM CDT	Flash Flood Warning	FWD	Bell	3 hr
Sep 8, 8:41 AM CDT	River Flood Warning	FWD	Milam	60 hr
Sep 8, 8:41 AM CDT	River Flood Warning	FWD	Milam	48 hr
Sep 8, 8:41 AM CDT	River Flood Warning	FWD	McLennan	17 hr
Sep 8, 8:58 AM CDT	Flash Flood Warning	FWD	Dallas, Ellis, Navarro	4 hr
Sep 8, 9:26 AM CDT	Flash Flood Warning	FWD	Bosque, Coryell, Hill, McLennan	4 hr
Sep 8, 9:57 AM CDT	River Flood Warning	FWD	Tarrant	18 hr
Sep 8, 10:02 AM CDT	Flash Flood Warning	FWD	Johnson, Tarrant	4 hr
Sep 8, 10:06 AM CDT	River Flood Warning	FWD	Wise	11 hr
Sep 8, 10:06 AM CDT	River Flood Warning	FWD	Dallas	22 hr
Sep 8, 10:06 AM CDT	River Flood Warning	FWD	Denton	9 hr
Sep 8, 10:39 AM CDT	Flash Flood Warning	FWD	Collin, Denton, Grayson	3 hr
Sep 8, 11:01 AM CDT	Flash Flood Warning	FWD	Bell	6 hr
Sep 8, 11:05 AM CDT	River Flood Warning	FWD	Hill	8 hr
Sep 8, 11:11 AM CDT	Flash Flood Warning	FWD	Lampasas	3 hr
Sep 8, 12:20 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Dallas, Rockwall	55 min
Sep 8, 12:22 PM CDT	River Flood Warning	FWD	Dallas, Tarrant	45 hr
Sep 8, 12:39 PM CDT	Flash Flood Warning	FWD	Collin, Fannin, Grayson, Hunt, Kaufman, Rockwall	3 hr
Sep 8, 12:50 PM CDT	Flash Flood Warning	FWD	Dallas, Ellis, Navarro	3 hr
Sep 8, 1:13 PM CDT	Flash Flood Warning	FWD	Hill	3 hr
Sep 8, 1:14 PM CDT	Areal Flood Warning	FWD	Bosque, Coryell, McLennan	4 hr
Sep 8, 1:22 PM CDT	Areal Flood Warning	FWD	Denton	4 hr
Sep 8, 1:58 PM CDT	Areal Flood Warning	FWD	Johnson, Tarrant	6 hr
Sep 8, 3:42 PM CDT	Areal Flood Warning	FWD	Collin, Dallas, Ellis, Fannin, Grayson, Hunt and 3 more	4 hr
Sep 8, 4:45 PM CDT	River Flood Warning	FWD	Dallas	2 hr
Sep 8, 4:52 PM CDT	Areal Flood Warning	FWD	Bell	3 hr
Sep 8, 4:56 PM CDT	Tornado Warning	FWD	Lamar	34 min
Sep 8, 5:12 PM CDT	Tornado Warning	FWD	Dallas, Ellis	33 min
Sep 8, 5:36 PM CDT	Tornado Warning	FWD	Collin, Denton	23 min
Sep 8, 5:41 PM CDT	Tornado Warning	FWD	Dallas, Kaufman	49 min
Sep 8, 6:01 PM CDT	Tornado Warning	FWD	Dallas	44 min
Sep 8, 6:15 PM CDT	Tornado Warning	FWD	Kaufman, Rockwall	26 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.