Alert archive / Texas / Flash Flood Warnings in 2009

Flash Flood Warning 103, NWS Fort Worth, TX

October 22, 2009Bosque County, Texas

NWS Fort Worth, TX issued this flash flood warning at Oct 22, 2009, 6:43 AM CDT for Bosque County, Texas. It was in force for 2 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, 6:43 AM CDT (11:43 UTC)
Expired
Oct 22, 2009, 8:45 AM CDT
In force
2 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

County Bosque County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 81 km from the middle of the area, began a volume at 11:42 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, 11.7 hours before the alert went out and 108 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-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2009-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 245 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2009-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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 22, 6:00 AM CDT, 43 minutes earlier.

Area forecast discussion, Oct 22, 6:00 AM CDT, 43 minutes before
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Hazardous weather outlook, Oct 22, 5:39 AM CDT, 1 hour 4 minutes before
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In the hours before

Local storm report, Oct 22, 12:59 AM CDT, 5 hours 44 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
Local storm report, Oct 22, 2:40 AM CDT, 4 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
240 AM CDT THU OCT 22 2009

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

0239 AM     FLASH FLOOD      LAMPASAS                31.07N  98.18W
10/22/2009                   LAMPASAS           TX   LAW ENFORCEMENT

            SEVERAL STREETS IN LAMPASAS ARE CLOSED DUE TO HIGH WATER
Local storm report, Oct 22, 4:43 AM CDT, 2 hours before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 21, 7:03 PM CDTAreal Flood AdvisoryFWDCooke, Grayson3 hr
Oct 21, 7:15 PM CDTFlash Flood WarningFWDCollin, Cooke, Grayson3 hr
Oct 21, 8:35 PM CDTAreal Flood AdvisoryFWDComanche, Eastland, Erath, Hood, Jack, Montague and 5 more115 min
Oct 21, 9:12 PM CDTFlash Flood WarningFWDDenton, Hood, Johnson, Somervell, Tarrant5 hr
Oct 21, 9:20 PM CDTRiver Flood WarningFWDDallas70 hr
Oct 21, 9:34 PM CDTRiver Flood WarningFWDCollin37 hr
Oct 21, 10:10 PM CDTRiver Flood WarningFWDHunt, Rockwall35 hr
Oct 21, 10:11 PM CDTFlash Flood WarningFWDGrayson3 hr
Oct 21, 10:35 PM CDTAreal Flood AdvisoryFWDCollin, Dallas, Denton, Rockwall3 hr
Oct 21, 10:41 PM CDTAreal Flood AdvisoryFWDAnderson, Dallas, Henderson, Kaufman, Navarro, Rains and 2 more3 hr
Oct 21, 10:51 PM CDTFlash Flood WarningFWDCooke, Montague114 min
Oct 21, 11:06 PM CDTAreal Flood AdvisoryFWDCoryell, Lampasas3 hr
Oct 21, 11:11 PM CDTAreal Flood AdvisoryFWDDelta, Fannin, Hopkins, Hunt, Lamar3 hr
Oct 22, 12:26 AM CDTRiver Flood WarningFWDDenton27 hr
Oct 22, 12:43 AM CDTAreal Flood AdvisoryFWDBosque, Hill, Johnson, McLennan, Somervell3 hr
Oct 22, 1:25 AM CDTFlash Flood WarningFWDBosque, Coryell, Hamilton, Hill, Lampasas, McLennan3 hr
Oct 22, 1:46 AM CDTAreal Flood AdvisoryFWDDallas, Ellis, Navarro119 min
Oct 22, 1:46 AM CDTRiver Flood WarningFWDWise46 hr
Oct 22, 2:02 AM CDTAreal Flood AdvisoryFWDAnderson, Henderson, Rains, Van Zandt118 min
Oct 22, 3:09 AM CDTAreal Flood AdvisoryFWDHood, Johnson, Parker, Somervell, Tarrant111 min
Oct 22, 3:39 AM CDTRiver Flood WarningFWDCoryell10 hr
Oct 22, 3:59 AM CDTRiver Flood WarningFWDLampasas6 hr
Oct 22, 4:35 AM CDTAreal Flood AdvisoryFWDBell, Bosque, Coryell, Hill, Lampasas, McLennan3 hr
Oct 22, 4:37 AM CDTAreal Flood AdvisoryFWDBell, Bosque, Hill, Lampasas, McLennan3 hr
Oct 22, 4:38 AM CDTFlash Flood WarningFWDCoryell4 hr
Oct 22, 4:52 AM CDTFlash Flood WarningFWDBosque, Hill113 min
Oct 22, 5:01 AM CDTAreal Flood AdvisoryFWDJohnson3 hr
Oct 22, 5:23 AM CDTRiver Flood WarningFWDNavarro63 hr
Oct 22, 5:23 AM CDTRiver Flood WarningFWDHenderson, Navarro15 days
Oct 22, 5:53 AM CDTRiver Flood WarningFWDCoryell22 hr
Oct 22, 7:26 AM CDTRiver Flood WarningFWDHunt25 hr
Oct 22, 8:05 AM CDTRiver Flood WarningFWDMcLennan86 min
Oct 22, 8:34 AM CDTAreal Flood WarningFWDBell, Falls4 hr
Oct 22, 8:40 AM CDTAreal Flood WarningFWDJohnson4 hr
Oct 22, 8:46 AM CDTAreal Flood WarningFWDBosque, Coryell, Hill, McLennan4 hr
Oct 22, 9:13 AM CDTAreal Flood WarningFWDCooke3 hr
Oct 22, 9:29 AM CDTAreal Flood WarningFWDAnderson14 hr
Oct 22, 9:49 AM CDTRiver Flood WarningFWDDallas, Tarrant11 hr
Oct 22, 9:49 AM CDTRiver Flood WarningFWDCollin12 hr
Oct 22, 11:08 AM CDTRiver Flood WarningFWDEllis, Kaufman23 hr

Nearby

Flash Flood Warnings in Texas, 2009Every 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.