Alert archive / Texas / Special Weather Statements in 2009

Special Weather Statement, NWS Fort Worth, TX

April 17, 2009Robertson County, Texas

NWS Fort Worth, TX issued this special weather statement at Apr 17, 2009, 11:21 AM CDT for Robertson County, Texas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 17, 2009, 11:21 AM CDT (16:21 UTC)
Expired: Apr 17, 2009, 11:45 AM CDT
In force: 24 min
Issued by: NWS Fort Worth, TX

County Robertson County, TX

The radar

The Ft Hood radar (KGRK), 104 km from the middle of the area, began a volume at 16:22 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, 4.4 hours before the alert went out and 205 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: 784 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 263 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 17, 9:57 AM CDT, 1 hour 24 minutes earlier.

Area forecast discussion, Apr 17, 9:57 AM CDT, 1 hour 24 minutes before

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Hazardous weather outlook, Apr 17, 10:57 AM CDT, 24 minutes before

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In the hours before

Special weather statement, Apr 17, 10:47 AM CDT, 34 minutes before

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Special weather statement, Apr 17, 10:49 AM CDT, 32 minutes before

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Special weather statement, Apr 17, 10:59 AM CDT, 22 minutes before

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Special weather statement, Apr 17, 11:00 AM CDT, 21 minutes before

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Special weather statement, Apr 17, 11:17 AM CDT, 4 minutes before

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Special weather statement, Apr 17, 11:21 AM CDT, 0 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 16, 7:03 PM CDT	Severe Thunderstorm Warning	FWD	Leon	57 min
Apr 16, 7:45 PM CDT	Special Weather Statement	FWD	Navarro	30 min
Apr 16, 8:16 PM CDT	Special Weather Statement	FWD	Navarro	29 min
Apr 16, 8:25 PM CDT	Special Weather Statement	FWD	Ellis	35 min
Apr 16, 8:42 PM CDT	Special Weather Statement	FWD	Cherokee	33 min
Apr 16, 9:02 PM CDT	Special Weather Statement	FWD	Henderson	28 min
Apr 16, 9:12 PM CDT	Special Weather Statement	FWD	Montague	33 min
Apr 16, 9:25 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Montague	53 min
Apr 16, 9:35 PM CDT	Special Weather Statement	FWD	Denton	25 min
Apr 16, 9:43 PM CDT	Special Weather Statement	FWD	Kaufman	32 min
Apr 16, 9:55 PM CDT	Special Weather Statement	FWD	Tarrant	35 min
Apr 16, 10:13 PM CDT	Special Weather Statement	FWD	Van Zandt	32 min
Apr 16, 10:17 PM CDT	Special Weather Statement	FWD	Rockwall	28 min
Apr 16, 11:12 PM CDT	Special Weather Statement	FWD	Rains	33 min
Apr 17, 6:46 AM CDT	Special Weather Statement	FWD	Hamilton	29 min
Apr 17, 7:16 AM CDT	Special Weather Statement	FWD	Hamilton	29 min
Apr 17, 7:33 AM CDT	Severe Thunderstorm Warning	FWD	Lampasas	42 min
Apr 17, 7:45 AM CDT	Special Weather Statement	FWD	Bosque	30 min
Apr 17, 7:59 AM CDT	Special Weather Statement	FWD	Eastland, Stephens, Young	61 min
Apr 17, 8:14 AM CDT	Severe Thunderstorm Warning	FWD	Bell, Coryell, Lampasas	76 min
Apr 17, 8:18 AM CDT	Special Weather Statement	FWD	Johnson	27 min
Apr 17, 8:40 AM CDT	Severe Thunderstorm Warning	FWD	Hill	47 min
Apr 17, 9:04 AM CDT	Severe Thunderstorm Warning	FWD	Ellis, Johnson	56 min
Apr 17, 9:13 AM CDT	Severe Thunderstorm Warning	FWD	Coryell	62 min
Apr 17, 9:31 AM CDT	Severe Thunderstorm Warning	FWD	Bell, McLennan	59 min
Apr 17, 9:34 AM CDT	Areal Flood Advisory	FWD	Bell, Coryell	3 hr
Apr 17, 10:10 AM CDT	Special Weather Statement	FWD	Falls, Milam	35 min
Apr 17, 10:24 AM CDT	Severe Thunderstorm Warning	FWD	McLennan	51 min
Apr 17, 10:33 AM CDT	Special Weather Statement	FWD	Dallas, Ellis	27 min
Apr 17, 10:39 AM CDT	Special Weather Statement	FWD	Hill	36 min
Apr 17, 10:47 AM CDT	Special Weather Statement	FWD	Palo Pinto, Parker, Tarrant, Wise	28 min
Apr 17, 10:49 AM CDT	Special Weather Statement	FWD	Erath, Hamilton, Hood, Lampasas, Mills, Somervell	26 min
Apr 17, 10:59 AM CDT	Special Weather Statement	FWD	Limestone	31 min
Apr 17, 11:00 AM CDT	Special Weather Statement	FWD	Leon	30 min
Apr 17, 11:17 AM CDT	Special Weather Statement	FWD	Freestone, Navarro	28 min
Apr 17, 11:23 AM CDT	Areal Flood Advisory	FWD	Falls, Limestone, Milam, Robertson	3 hr
Apr 17, 11:28 AM CDT	Areal Flood Advisory	FWD	Dallas, Ellis, Henderson, Kaufman, Navarro, Rockwall	3 hr
Apr 17, 11:43 AM CDT	Special Weather Statement	FWD	Freestone, Henderson, Kaufman	32 min
Apr 17, 11:53 AM CDT	Areal Flood Advisory	FWD	Freestone, Leon	3 hr
Apr 17, 12:01 PM CDT	Special Weather Statement	FWD	Collin, Dallas, Ellis, Grayson, Rockwall	119 min
Apr 17, 12:11 PM CDT	Special Weather Statement	FWD	Cooke, Denton, Montague, Tarrant, Wise	34 min
Apr 17, 12:13 PM CDT	Special Weather Statement	FWD	Bell, Bosque, Coryell, Ellis, Falls, Hill and 4 more	32 min
Apr 17, 12:19 PM CDT	Special Weather Statement	FWD	Anderson	26 min
Apr 17, 12:29 PM CDT	Areal Flood Advisory	FWD	Anderson, Henderson, Van Zandt	3 hr
Apr 17, 12:42 PM CDT	Special Weather Statement	FWD	Delta, Lamar	63 min
Apr 17, 12:43 PM CDT	Areal Flood Advisory	FWD	Delta, Fannin, Hopkins, Hunt, Lamar, Rains	3 hr
Apr 17, 1:08 PM CDT	Special Weather Statement	FWD	Kaufman, Limestone, Navarro	67 min
Apr 17, 2:04 PM CDT	Special Weather Statement	FWD	Fannin, Hunt	71 min
Apr 17, 2:11 PM CDT	Special Weather Statement	FWD	Anderson, Henderson, Rains, Van Zandt	79 min
Apr 17, 2:49 PM CDT	Special Weather Statement	FWD	Coryell	26 min
Apr 17, 3:04 PM CDT	Special Weather Statement	FWD	Delta, Hopkins, Lamar	86 min
Apr 17, 3:19 PM CDT	Special Weather Statement	FWD	Coryell	26 min
Apr 17, 3:32 PM CDT	Special Weather Statement	FWD	Anderson, Henderson, Leon, Van Zandt	58 min
Apr 17, 5:30 PM CDT	Special Weather Statement	FWD	Milam	30 min
Apr 17, 5:40 PM CDT	Special Weather Statement	FWD	McLennan	35 min
Apr 17, 5:44 PM CDT	Special Weather Statement	FWD	Bell	31 min
Apr 17, 6:20 PM CDT	Special Weather Statement	FWD	Milam	25 min
Apr 17, 6:50 PM CDT	Special Weather Statement	FWD	Robertson	25 min

Nearby

Special Weather Statements in Texas, 2009 Every special weather statement 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.