Alert archive / Texas / Flash Flood Warnings in 2009

Flash Flood Warning 10, NWS Fort Worth, TX

April 28, 2009Freestone County, Texas

NWS Fort Worth, TX issued this flash flood warning at Apr 28, 2009, 4:02 PM CDT for Freestone 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: Apr 28, 2009, 4:02 PM CDT (21:02 UTC)
Expired: Apr 28, 2009, 7:00 PM CDT
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

County Freestone County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 145 km from the middle of the area, began a volume at 21:04 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, 9.0 hours before the alert went out and 165 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 94 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 Apr 28, 3:59 PM CDT, 3 minutes earlier.

Area forecast discussion, Apr 28, 3:59 PM CDT, 3 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FORT WORTH TX
359 PM CDT TUE APR 28 2009

.DISCUSSION...
AN AREA OF SHOWERS AND THUNDERSTORMS CONTINUE OVER THE SOUTHERN
PARTS OF NORTH TEXAS THIS AFTERNOON. VERY HEAVY RAIN HAS BEEN THE
MAIN PROBLEM TODAY...WITH 4 TO 7 INCHES OF RAIN HAVING FALLEN
OVER LIMESTONE AND EXTREME WESTERN FREESTONE COUNTIES. THE SEVERE
POTENTIAL WILL CONTINUE INTO EARLY EVENING...WITH A TORNADO
POSSIBLE DURING THE NEXT COUPLE OF HOURS EAST AND SOUTH OF A
CAMERON...HILLSBORO...CANTON LINE. THE NEXT ROUND OF SHOWERS AND
THUNDERSTORMS SHOULD COME IN FROM THE WEST LATE TONIGHT INTO
WEDNESDAY AS ANOTHER SHORTWAVE APPROACHES. THE FRONT WILL LIFT
BACK TO THE NORTH WEDNESDAY NIGHT...AND WE MAY SEE A DRY DAY
THURSDAY. ANOTHER COLD FRONT WILL ENTER NORTH TEXAS FRIDAY
ENHANCING RAIN CHANCES...THIS FRONT WILL MOVE INTO THE SOUTHERN
ZONES FRIDAY AFTERNOON...BUT WILL QUICKLY LIFT BACK TO THE NORTH
SATURDAY. YET ANOTHER FRONT IS EXPECTED MONDAY NIGHT AND TUESDAY.
WILL KEEP CHANCE OF SHOWERS AND THUNDERSTORMS SATURDAY THROUGH
TUESDAY.

58

&&

.PRELIMINARY POINT TEMPS/POPS...
DALLAS-FT. WORTH, TX  64  80  66  81  68 /  20  30  40  10  20
WACO, TX              66  80  68  81  69 /  20  20  30  10  20
PARIS, TX             62  80  64  82  66 /  10  30  40  20  20
DENTON, TX            63  79  67  80  68 /  20  30  40  10  20
MCKINNEY, TX          62  80  67  80  66 /  20  30  40  20  20
DALLAS, TX            64  79  68  81  68 /  20  30  40  10  20
TERRELL, TX           65  82  67  81  69 /  20  20  40  10  20
CORSICANA, TX         65  81  66  81  69 /  40  20  30  10  20
TEMPLE, TX            65  81  67  81  69 /  20  20  30  10  20

&&

.FWD WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

58/58

Hazardous weather outlook, Apr 28, 12:53 PM CDT, 3 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
1253 PM CDT TUE APR 28 2009

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-291200-
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-
1253 PM CDT TUE APR 28 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS MOST OF NORTH TEXAS
THROUGH THE DAY. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING
SMALL HAIL...WIND GUSTS TO 60 MPH...AND FLASH FLOODING. FREQUENT
LIGHTNING AND LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE THROUGH
THE AFTERNOON.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORM CHANCES WILL CONTINUE ACROSS NORTH TEXAS WEDNESDAY
THROUGH SUNDAY AS SEVERAL UPPER LEVEL DISTURBANCES MOVE THROUGH
THE PLAINS. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS
WEDNESDAY AFTERNOON MAINLY ALONG AND WEST OF INTERSTATE 35. LARGE
HAIL AND DAMAGING WINDS WILL BE THE MAIN THREATS ON WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
LIMITED SPOTTER ACTIVATION MAY BE REQUESTED THIS
AFTERNOON...PARTICULARLY ACROSS THE SOUTHERN PORTIONS OF NORTH TEXAS.

82/JLD

In the hours before

Special weather statement, Apr 28, 12:11 PM CDT, 3 hours 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1211 PM CDT TUE APR 28 2009

TXZ175-281745-
ROBERTSON TX-
1211 PM CDT TUE APR 28 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHEASTERN ROBERTSON COUNTY

AT 1211 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 21 MILES SOUTH OF GROESBECK...MOVING EAST AT 15
MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...AND
PEA-SIZED HAIL CAN BE EXPECTED FROM THIS STORM. FLASH FLOODING MAY
OCCUR WITH THIS STORM.

IF THIS STORM CONTINUES ON ITS PRESENT COURSE...A SEVERE WEATHER
WARNING MAY BE NEEDED.

LAT...LON 3111 9657 3122 9661 3137 9632 3129 9632
      3127 9631 3126 9633 3118 9629 3114 9629
TIME...MOT...LOC 1711Z 267DEG 12KT 3122 9650

82/JLD

Special weather statement, Apr 28, 1:34 PM CDT, 2 hours 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
134 PM CDT TUE APR 28 2009

TXZ175-281900-
ROBERTSON TX-
134 PM CDT TUE APR 28 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHEASTERN ROBERTSON COUNTY

AT 134 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 20 MILES NORTH OF HEARNE...MOVING NORTHEAST AT 15
MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.

LAT...LON 3102 9650 3118 9661 3135 9632 3134 9631
      3133 9632 3128 9631 3126 9633 3116 9629
      3112 9628
TIME...MOT...LOC 1834Z 240DEG 12KT 3115 9646

Local storm report, Apr 28, 1:43 PM CDT, 2 hours 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
143 PM CDT TUE APR 28 2009

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

1137 AM     FLASH FLOOD      KOSSE                   31.31N  96.63W
04/28/2009                   LIMESTONE          TX   TRAINED SPOTTER

            SEVERAL ROADS ARE BLOCKED WITH HIGH WATER IN KOSSE.
            ESTIMATED 3-5 DEEP WATER OVER THE ROAD.

Local storm report, Apr 28, 2:00 PM CDT, 2 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
200 PM CDT TUE APR 28 2009

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

0212 PM     FLASH FLOOD      4 NE TEAGUE             31.67N  96.23W
04/28/2009                   FREESTONE          TX   LAW ENFORCEMENT

            WATER OVER THE ROAD AT FM 1366 AND HWY 84W.

Special weather statement, Apr 28, 3:44 PM CDT, 18 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
Apr 27, 7:25 PM CDT	River Flood Warning	FWD	Hunt	14 hr
Apr 28, 7:36 AM CDT	Dense Fog Advisory	FWD	Bosque, Collin, Comanche, Dallas, Delta, Eastland and 19 more	3 hr
Apr 28, 8:31 AM CDT	Areal Flood Advisory	FWD	Limestone	119 min
Apr 28, 9:43 AM CDT	Flash Flood Warning	FWD	Limestone	2 hr
Apr 28, 10:01 AM CDT	Areal Flood Advisory	FWD	Freestone	59 min
Apr 28, 10:39 AM CDT	Flash Flood Warning	FWD	Freestone	2 hr
Apr 28, 11:44 AM CDT	Areal Flood Warning	FWD	Limestone	3 hr
Apr 28, 11:47 AM CDT	River Flood Warning	FWD	Limestone	57 hr
Apr 28, 12:11 PM CDT	Special Weather Statement	FWD	Robertson	34 min
Apr 28, 12:20 PM CDT	Areal Flood Advisory	FWD	Falls, Robertson	85 min
Apr 28, 12:42 PM CDT	Areal Flood Warning	FWD	Freestone	3 hr
Apr 28, 1:34 PM CDT	Special Weather Statement	FWD	Robertson	26 min
Apr 28, 1:36 PM CDT	Flash Flood Warning	FWD	Robertson	114 min
Apr 28, 1:48 PM CDT	River Flood Warning	FWD	Leon, Robertson	5 days
Apr 28, 2:08 PM CDT	Flash Flood Warning	FWD	Bosque, Hill	4 hr
Apr 28, 2:50 PM CDT	Flash Flood Warning	FWD	Limestone	6 hr
Apr 28, 3:00 PM CDT	Tornado Warning	FWD	Robertson	30 min
Apr 28, 3:32 PM CDT	Tornado Warning	FWD	Leon, Robertson	43 min
Apr 28, 3:44 PM CDT	Special Weather Statement	FWD	Limestone	31 min
Apr 28, 4:12 PM CDT	Special Weather Statement	FWD	Limestone	33 min
Apr 28, 4:13 PM CDT	Areal Flood Warning	FWD	Robertson	3 hr
Apr 28, 4:48 PM CDT	Flash Flood Warning	FWD	Freestone	2 hr
Apr 28, 5:21 PM CDT	Flash Flood Warning	FWD	Anderson, Henderson	2 hr
Apr 28, 6:07 PM CDT	Areal Flood Warning	FWD	Hill	3 hr
Apr 28, 6:41 PM CDT	Tornado Warning	FWD	Robertson	49 min

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.