Alert archive / Texas / Areal Flood Warnings in 2012

Areal Flood Warning 2, NWS Fort Worth, TX

January 25, 2012Collin County, Dallas County, Texas

NWS Fort Worth, TX issued this areal flood warning at Jan 25, 2012, 10:57 AM CST for Collin County, Dallas 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: Jan 25, 2012, 10:57 AM CST (16:57 UTC)
Expired: Jan 25, 2012, 2:00 PM 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

The radar

The Dallas/Ft Worth radar (KFWS), 74 km from the middle of the area, began a volume at 16:59 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

Shreveport, LA (KSHV), launched 12:00Z, 5.0 hours before the alert went out and 279 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: 3 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 490 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 314 m²/s²
0-3 km storm-relative helicity: 484 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal 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 areal flood warning went out at Jan 25, 9:55 AM CST, 1 hour 2 minutes earlier.

Area forecast discussion, Jan 25, 9:55 AM CST, 1 hour 2 minutes before

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Hazardous weather outlook, Jan 25, 10:36 AM CST, 21 minutes before

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In the hours before

Special weather statement, Jan 25, 9:05 AM CST, 1 hour 52 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
905 AM CST WED JAN 25 2012

TXZ148-251530-
ANDERSON TX-
905 AM CST WED JAN 25 2012

...SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHEASTERN ANDERSON COUNTY

AT 905 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 10 MILES SOUTHEAST OF PALESTINE...MOVING
NORTHEAST AT 30 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE ELKHART.

PEA-SIZED HAIL AND WIND GUSTS TO 40 MPH CAN BE EXPECTED FROM THIS
STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST WEDNESDAY MORNING
FOR NORTHEASTERN TEXAS.

LAT...LON 3155 9552 3155 9561 3164 9571 3189 9543
      3185 9544 3182 9540 3179 9538 3177 9539
      3175 9535 3174 9536 3174 9534 3171 9530
TIME...MOT...LOC 1505Z 227DEG 28KT 3165 9554

42/MM

Local storm report, Jan 25, 9:07 AM CST, 1 hour 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
907 AM CST WED JAN 25 2012

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

0903 AM     FLASH FLOOD      HALTOM CITY             32.80N  97.27W
01/25/2012                   TARRANT            TX   BROADCAST MEDIA

            HIGH WATER RESCUES IN HALTOM CITY. AIRPORT FREEWAY AND
            MIDWAY ROAD.

Local storm report, Jan 25, 9:13 AM CST, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
913 AM CST WED JAN 25 2012

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

0900 AM     FLASH FLOOD      DALLAS                  32.77N  96.78W
01/25/2012                   DALLAS             TX   BROADCAST MEDIA

            HIGH WATER AT 635 AND PARK CENTRAL IN NORTHERN DALLAS

Local storm report, Jan 25, 9:22 AM CST, 1 hour 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
922 AM CST WED JAN 25 2012

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

0840 AM     TSTM WND DMG     6 NNE PALESTINE         31.83N  95.59W
01/25/2012                   ANDERSON           TX   EMERGENCY MANAGER

            TREES AND POWER LINES BLOWN DOWN NEAR COUNTY ROAD 444
            AND FM 315

Local storm report, Jan 25, 9:34 AM CST, 1 hour 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
934 AM CST WED JAN 25 2012

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

0932 AM     FLASH FLOOD      HALTOM CITY             32.80N  97.27W
01/25/2012                   TARRANT            TX   BROADCAST MEDIA

            HIGH WATER RESCUES AT 121 AND HANDLEY EDERVILLE ROAD IN
            HALTOM CITY

Local storm report, Jan 25, 9:42 AM CST, 1 hour 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
942 AM CST WED JAN 25 2012

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

0900 AM     TSTM WND DMG     ELKHART                 31.62N  95.58W
01/25/2012                   ANDERSON           TX   EMERGENCY MNGR

            TWO STORAGE BUILDINGS BLOWN DOWN. TREES ALSO BLOWN DOWN
            IN THE SAME LOCATION. CR 181 AND CR 179

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, 7:54 AM CST	Flash Flood Warning	FWD	Collin, Dallas, Tarrant	3 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, 1:27 PM CST	River Flood Warning	FWD	Limestone	30 hr

Nearby

Areal Flood Warnings in Texas, 2012 Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.