Alert archive / Texas / Areal Flood Advisories in 2012

Areal Flood Advisory 21, NWS Fort Worth, TX

February 3, 2012Milam County, Texas

NWS Fort Worth, TX issued this areal flood advisory at Feb 3, 2012, 11:02 PM CST for Milam County, Texas. It was in force for 88 min.

The area

The counties it named.

The facts

Issued: Feb 3, 2012, 11:02 PM CST (05:02 UTC)
Expired: Feb 4, 2012, 12:30 AM CST
In force: 88 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Flood severity: None

County Milam County, TX

The radar

The Ft Hood radar (KGRK), 39 km from the middle of the area, began a volume at 05:02 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, 5.0 hours before the alert went out and 229 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: 1201 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 959 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 218 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 8.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory 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 advisory went out at Feb 3, 10:25 PM CST, 37 minutes earlier.

Area forecast discussion, Feb 3, 10:25 PM CST, 37 minutes before

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Hazardous weather outlook, Feb 3, 8:30 PM CST, 2 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
830 PM CST FRI FEB 3 2012

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-041200-
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-
830 PM CST FRI FEB 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TONIGHT.

SCATTERED STRONG TO SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND
LARGE HAIL REMAIN POSSIBLE SOUTHEAST OF A BONHAM...TO DALLAS...TO
HAMILTON LINE THROUGH THE OVERNIGHT HOURS. LOCALLY HEAVY RAIN IS
ALSO POSSIBLE WITH ISOLATED AMOUNTS TO BETWEEN 1 AND 2 INCHES...WHICH
MAY RESULT IN SMALL STREAM AND STREET FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY MORNING ALONG AND
EAST OF A BONHAM...TO HILLSBORO TO LAMPASAS LINE. A FEW STRONG
STORMS ARE POSSIBLE...THAT COULD PRODUCE WIND GUSTS TO 50 MPH AND
SMALL HAIL.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION REMAINS LIKELY THROUGH 2 AM CST MAINLY EAST OF
INTERSTATE 35.

05/

In the hours before

Local storm report, Feb 3, 8:54 PM CST, 2 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
854 PM CST FRI FEB 03 2012

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

0840 PM     HAIL             4 SE RAVENNA            33.64N  96.18W
02/03/2012  E1.00 INCH       FANNIN             TX   AMATEUR RADIO

            BROKE OUT SKYLIGHT...HAIL POSSIBLY BIGGER. IN BONHAM

Local storm report, Feb 3, 9:09 PM CST, 1 hour 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
909 PM CST FRI FEB 03 2012

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

0908 PM     FLASH FLOOD      3 SE RAVENNA            33.65N  96.19W
02/03/2012                   FANNIN             TX   AMATEUR RADIO

            BARRICADES UP FOR BONHAM STREETS

Local storm report, Feb 3, 9:20 PM CST, 1 hour 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
920 PM CST FRI FEB 03 2012

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

0919 PM     FLASH FLOOD      1 W WINDOM              33.57N  96.02W
02/03/2012                   FANNIN             TX   AMATEUR RADIO

            BULLARD CREEK IS UP TO BRIDGE BASE 1 W WINDOM

Special weather statement, Feb 3, 9:31 PM CST, 1 hour 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
931 PM CST FRI FEB 3 2012

TXZ095-106-040400-
DELTA TX-LAMAR TX-
931 PM CST FRI FEB 3 2012

...SIGNIFICANT WEATHER ADVISORY FOR...
  DELTA COUNTY
  LAMAR COUNTY

AT 931 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES SOUTH OF
HUGO TO 13 MILES NORTH OF COMMERCE...MOVING EAST AT 25 MPH.

CITIES IN THE PATH OF THESE STORMS INCLUDE BLOSSOM...COOPER...
DEPORT...PARIS AND COOPER LAKE PARK DOCTORS CREEK.

HALF INCH SIZED HAIL AND WIND GUSTS TO 40 MPH CAN BE EXPECTED FROM
THESE STORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CST
SATURDAY MORNING FOR NORTHEASTERN TEXAS.

LAT...LON 3389 9554 3390 9551 3388 9549 3387 9542
      3389 9531 3337 9530 3336 9534 3337 9541
      3335 9549 3335 9552 3336 9554 3334 9562
      3333 9586 3361 9585 3391 9555
TIME...MOT...LOC 0331Z 274DEG 22KT 3385 9547 3342 9582

Special weather statement, Feb 3, 9:49 PM CST, 1 hour 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
949 PM CST FRI FEB 3 2012

TXZ105-123-040415-
HUNT TX-RAINS TX-
949 PM CST FRI FEB 3 2012

...SIGNIFICANT WEATHER ADVISORY FOR...
  HUNT COUNTY
  WESTERN RAINS COUNTY

AT 949 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF STRONG THUNDERSTORMS ACROSS WESTERN HUNT COUNTY...MOVING
EAST AT 35 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE CADDO MILLS...CAMPBELL...
CELESTE...COMMERCE...EAST TAWAKONI...GREENVILLE...QUINLAN...WEST
TAWAKONI AND WOLFE CITY.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CST
SATURDAY MORNING FOR NORTHEASTERN TEXAS.

LAT...LON 3299 9586 3298 9584 3280 9584 3294 9630
      3333 9630 3341 9586
TIME...MOT...LOC 0349Z 268DEG 29KT 3313 9618

Special weather statement, Feb 3, 10:49 PM CST, 13 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
Feb 3, 6:04 PM CST	Special Weather Statement	FWD	Henderson	26 min
Feb 3, 6:29 PM CST	Severe Thunderstorm Warning	FWD	Grayson	61 min
Feb 3, 6:34 PM CST	Severe Thunderstorm Warning	FWD	Denton	56 min
Feb 3, 7:21 PM CST	Special Weather Statement	FWD	Milam	24 min
Feb 3, 7:27 PM CST	Severe Thunderstorm Warning	FWD	Fannin, Grayson	78 min
Feb 3, 7:49 PM CST	Special Weather Statement	FWD	Denton	26 min
Feb 3, 8:05 PM CST	Special Weather Statement	FWD	Henderson	25 min
Feb 3, 8:15 PM CST	Special Weather Statement	FWD	Collin	30 min
Feb 3, 8:24 PM CST	Areal Flood Advisory	FWD	Fannin	3 hr
Feb 3, 8:26 PM CST	Areal Flood Advisory	FWD	Robertson	2 hr
Feb 3, 8:32 PM CST	Severe Thunderstorm Warning	FWD	Robertson	58 min
Feb 3, 8:41 PM CST	Severe Thunderstorm Warning	FWD	Fannin	64 min
Feb 3, 8:49 PM CST	Flash Flood Warning	FWD	Fannin	3 hr
Feb 3, 8:52 PM CST	Flash Flood Warning	FWD	Robertson	113 min
Feb 3, 9:12 PM CST	Flash Flood Warning	FWD	Milam	3 hr
Feb 3, 9:31 PM CST	Special Weather Statement	FWD	Delta, Lamar	29 min
Feb 3, 9:49 PM CST	Special Weather Statement	FWD	Hunt	26 min
Feb 3, 10:11 PM CST	Areal Flood Advisory	FWD	Delta, Lamar	94 min
Feb 3, 10:49 PM CST	Special Weather Statement	FWD	Milam	26 min
Feb 3, 11:42 PM CST	Special Weather Statement	FWD	Falls	33 min
Feb 4, 12:22 AM CST	Areal Flood Advisory	FWD	Milam, Robertson	3 hr
Feb 4, 1:40 AM CST	Flash Flood Warning	FWD	Milam	2 hr
Feb 4, 11:48 AM CST	River Flood Warning	FWD	Milam	20 hr
Feb 4, 3:33 PM CST	River Flood Warning	FWD	Milam	16 hr

Nearby

Areal Flood Advisories in Texas, 2012 Every areal flood advisory 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.