Alert archive / Texas / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Fort Worth, TX

January 25, 2012Collin County, Dallas County, Tarrant County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jan 25, 2012, 7:54 AM CST for Collin County, Dallas County, Tarrant County, Texas. It was in force for 3 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 25, 2012, 7:54 AM CST (13:54 UTC)
Expired: Jan 25, 2012, 11:00 AM CST
In force: 3 hr
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

Counties Collin County, TX, Dallas County, TX, Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 81 km from the middle of the area, began a volume at 13:53 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.

What was reported inside it

Time	Report	Where	Remark
Jan 25, 8:33 AM CST	FLASH FLOOD	Irving, TX	WATER RESCUE OF 1 PERSON ON TOP OF A CAR IN A CREEK NEAR S. STORY RD AND RUBY ST. RESCUE BOAT ENROUTE.
Jan 25, 9:00 AM CST	FLASH FLOOD	Dallas, TX	HIGH WATER AT 635 AND PARK CENTRAL IN NORTHERN DALLAS
Jan 25, 9:03 AM CST	FLASH FLOOD	Haltom City, TX	HIGH WATER RESCUES IN HALTOM CITY. AIRPORT FREEWAY AND MIDWAY ROAD.
Jan 25, 9:32 AM CST	FLASH FLOOD	Haltom City, TX	HIGH WATER RESCUES AT 121 AND HANDLEY EDERVILLE ROAD IN HALTOM CITY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 1.9 hours before the alert went out and 246 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: 455 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

381 
WGUS54 KFWD 251354
FFWFWD
TXC085-113-439-251700-
/O.NEW.KFWD.FF.W.0002.120125T1354Z-120125T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
754 AM CST WED JAN 25 2012

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLLIN COUNTY IN NORTH CENTRAL TEXAS
  DALLAS COUNTY IN NORTH CENTRAL TEXAS
  TARRANT COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 1100 AM CST

* AT 754 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  THUNDERSTORMS WITH HEAVY RAIN ACROSS MUCH OF THE DALLAS/FORT WORTH 
  METROPLEX. WIDESPREAD REPORTS OF 3 TO 4 INCHES OF RAIN OVERNIGHT 
  HAS RESULTED IN FLASH FLOODING...PRIMARILY IN URBAN AREAS. 
  ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 11 AM...ONLY 
  WORSENING ONGOING FLOODING ISSUES.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
  INCLUDE...HIGHLAND PARK...UNIVERSITY PARK...FARMERS BRANCH...
  SEAGOVILLE...WYLIE...SUNNYVALE...SACHSE...ROWLETT...RICHARDSON...
  PROSPER...PRINCETON...PLANO...PARKER...MURPHY...MESQUITE...
  MCKINNEY...LUCAS...LOWRY CROSSING...GARLAND...FRISCO...
  FARMERSVILLE...FAIRVIEW...CELINA...CARROLLTON...BALCH SPRINGS...
  ANNA...ALLEN AND ADDISON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 3340 9639 3334 9638 3335 9629 3298 9630
      3298 9652 3255 9653 3256 9755 3299 9754
      3299 9685 3340 9683

$$


25

1 follow-up statement

758 
WGUS74 KFWD 251613
FFSFWD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1013 AM CST WED JAN 25 2012

TXC085-113-439-251700-
/O.CON.KFWD.FF.W.0002.000000T0000Z-120125T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DALLAS TX-TARRANT TX-COLLIN TX-
1013 AM CST WED JAN 25 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 AM CST FOR
COLLIN...TARRANT AND DALLAS COUNTIES...

AT 1004 AM CST...LIGHT RAIN CONTINUES TO FALL ACROSS THE WARNED 
AREA. 3 TO 5 INCHES OF RAIN HAS ALREADY FALLEN. ANOTHER INCH IS 
POSSIBLE THROUGH THE REMAINDER OF THE DAY. NUMEROUS CREEKS AND 
RIVERS AS WELL AS LOW LYING URBAN AREAS CONTINUE TO EXPERIENCE 
FLOODING. WITH THE REDUCED RAINFALL INTENSITY...CREEKS AND SMALL 
STREAMS SHOULD BEGIN TO RECEDE AND THE FLASH FLOOD WARNING WILL BE 
ALLOWED TO EXPIRE AT 11 AM. RESIDUAL RIVER FLOODING AND AREAS OF 
HIGH WATER WILL LIKELY REMAIN THROUGH THE AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 3340 9639 3334 9638 3335 9629 3298 9630
      3298 9652 3255 9653 3256 9755 3299 9754
      3299 9685 3340 9683

$$
42/MM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 24, 6:14 PM CST	Special Weather Statement	FWD	Mills	31 min
Jan 24, 7:32 PM CST	River Flood Warning	FWD	Hunt	50 hr
Jan 24, 7:32 PM CST	River Flood Warning	FWD	Hunt, Rockwall	56 hr
Jan 24, 7:52 PM CST	River Flood Warning	FWD	Collin	57 hr
Jan 24, 7:52 PM CST	River Flood Warning	FWD	Denton	48 hr
Jan 24, 8:21 PM CST	Areal Flood Advisory	FWD	Collin, Dallas, Grayson, Rockwall	75 days
Jan 24, 8:49 PM CST	Areal Flood Advisory	FWD	Comanche, Erath	116 min
Jan 24, 9:30 PM CST	River Flood Warning	FWD	Dallas	18 hr
Jan 24, 9:36 PM CST	Flash Flood Watch	FWD	Anderson, Bell, Bosque, Collin, Comanche, Cooke and 37 more	14 hr
Jan 24, 10:02 PM CST	Areal Flood Advisory	FWD	Parker, Tarrant	3 hr
Jan 24, 10:03 PM CST	Flash Flood Warning	FWD	Hood, Somervell	3 hr
Jan 24, 10:07 PM CST	Areal Flood Advisory	FWD	Denton	3 hr
Jan 24, 11:18 PM CST	Areal Flood Advisory	FWD	Cooke, Grayson	3 hr
Jan 25, 12:40 AM CST	River Flood Warning	FWD	Parker	18 hr
Jan 25, 12:44 AM CST	Areal Flood Advisory	FWD	Dallas	3 hr
Jan 25, 12:55 AM CST	River Flood Warning	FWD	Dallas	72 hr
Jan 25, 12:56 AM CST	Areal Flood Warning	FWD	Hood	3 hr
Jan 25, 1:00 AM CST	Areal Flood Advisory	FWD	Denton	3 hr
Jan 25, 3:25 AM CST	Areal Flood Advisory	FWD	Comanche	3 hr
Jan 25, 3:28 AM CST	Areal Flood Advisory	FWD	Coryell, Hamilton	3 hr
Jan 25, 3:29 AM CST	Areal Flood Advisory	FWD	McLennan	3 hr
Jan 25, 3:32 AM CST	Areal Flood Advisory	FWD	Erath, Palo Pinto, Parker	3 hr
Jan 25, 3:37 AM CST	Areal Flood Advisory	FWD	Collin	3 hr
Jan 25, 3:57 AM CST	Areal Flood Advisory	FWD	Tarrant	3 hr
Jan 25, 4:00 AM CST	Areal Flood Advisory	FWD	Bosque, Dallas, Ellis, Hill, Hood, Johnson and 1 more	3 hr
Jan 25, 4:19 AM CST	Severe Thunderstorm Warning	FWD	Milam	41 min
Jan 25, 6:02 AM CST	Areal Flood Advisory	FWD	Bosque, Collin, Dallas, Denton, Ellis, Hill and 7 more	6 hr
Jan 25, 6:06 AM CST	Tornado Warning	FWD	Falls, Robertson	24 min
Jan 25, 7:08 AM CST	River Flood Warning	FWD	Dallas	12 hr
Jan 25, 7:32 AM CST	Special Weather Statement	FWD	Leon	28 min
Jan 25, 7:43 AM CST	River Flood Warning	FWD	Tarrant	4 hr
Jan 25, 8:04 AM CST	Areal Flood Advisory	FWD	Anderson, Freestone, Henderson, Kaufman, Leon, Limestone and 2 more	6 hr
Jan 25, 8:17 AM CST	Special Weather Statement	FWD	Anderson	58 min
Jan 25, 8:27 AM CST	Severe Thunderstorm Warning	FWD	Anderson	33 min
Jan 25, 8:35 AM CST	Areal Flood Advisory	FWD	Grayson	4 hr
Jan 25, 9:05 AM CST	Special Weather Statement	FWD	Anderson	25 min
Jan 25, 9:06 AM CST	River Flood Warning	FWD	Navarro	63 hr
Jan 25, 9:06 AM CST	River Flood Warning	FWD	Dallas	11 hr
Jan 25, 9:06 AM CST	River Flood Warning	FWD	Ellis, Kaufman	3 days
Jan 25, 9:06 AM CST	River Flood Warning	FWD	Henderson, Navarro	7 days
Jan 25, 9:39 AM CST	River Flood Warning	FWD	Comanche	11 hr
Jan 25, 10:24 AM CST	River Flood Warning	FWD	Collin	20 hr
Jan 25, 10:57 AM CST	Areal Flood Warning	FWD	Collin, Dallas	3 hr
Jan 25, 1:27 PM CST	River Flood Warning	FWD	Limestone	30 hr

Nearby

Flash Flood Warnings in Texas, 2012 Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.