Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 372, NWS Fort Worth, TX

December 13, 2015Bell County, Coryell County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Dec 13, 2015, 1:23 AM CST for Bell County, Coryell County, Texas. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 13, 2015, 1:23 AM CST (07:23 UTC)
Expired: Dec 13, 2015, 2:00 AM CST
In force: 37 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bell County, TX, Coryell County, TX

The radar

The Ft Hood radar (KGRK), 60 km from the middle of the area, began a volume at 07:22 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 00:00Z, 7.4 hours before the alert went out and 183 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: 374 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 699 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 305 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Dec 12, 11:29 PM CST, 1 hour 54 minutes earlier.

Area forecast discussion, Dec 12, 11:29 PM CST, 1 hour 54 minutes before

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Hazardous weather outlook, Dec 12, 9:48 PM CST, 3 hours 35 minutes before

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In the hours before

Special weather statement, Dec 12, 11:14 PM CST, 2 hours 9 minutes before

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Special weather statement, Dec 12, 11:42 PM CST, 1 hour 41 minutes before

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Special weather statement, Dec 13, 12:12 AM CST, 1 hour 11 minutes before

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Special weather statement, Dec 13, 12:30 AM CST, 53 minutes before

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Special weather statement, Dec 13, 1:05 AM CST, 18 minutes before

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Special weather statement, Dec 13, 1:09 AM CST, 14 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
Dec 12, 6:02 PM CST	Areal Flood Advisory	FWD	Anderson, Freestone, Henderson	3 hr
Dec 12, 6:09 PM CST	Areal Flood Advisory	FWD	Fannin, Lamar	3 hr
Dec 12, 7:05 PM CST	River Flood Warning	FWD	Hunt	44 hr
Dec 12, 7:05 PM CST	River Flood Warning	FWD	Hunt, Rockwall	42 hr
Dec 12, 7:34 PM CST	Areal Flood Advisory	FWD	Leon	3 hr
Dec 12, 7:55 PM CST	Areal Flood Advisory	FWD	Delta, Hopkins, Hunt, Rains, Van Zandt	3 hr
Dec 12, 8:58 PM CST	Flash Flood Warning	FWD	Anderson, Freestone, Henderson, Leon	3 hr
Dec 12, 10:10 PM CST	Special Weather Statement	FWD	Eastland, Stephens	65 min
Dec 12, 10:44 PM CST	Areal Flood Advisory	FWD	Hopkins, Rains, Van Zandt	2 hr
Dec 12, 11:14 PM CST	Special Weather Statement	FWD	Comanche, Eastland, Erath, Jack, Palo Pinto, Young	61 min
Dec 12, 11:42 PM CST	Special Weather Statement	FWD	Hamilton, Mills	48 min
Dec 12, 11:53 PM CST	Areal Flood Warning	FWD	Anderson, Freestone, Henderson, Leon, Van Zandt	6 hr
Dec 13, 12:12 AM CST	Special Weather Statement	FWD	Erath, Hood, Jack, Montague, Palo Pinto, Parker and 2 more	63 min
Dec 13, 12:30 AM CST	Special Weather Statement	FWD	Bosque, Coryell, Hamilton, Lampasas	60 min
Dec 13, 12:52 AM CST	Severe Thunderstorm Warning	FWD	Bell, Coryell, Lampasas	53 min
Dec 13, 1:05 AM CST	Special Weather Statement	FWD	Cooke, Denton, Montague, Parker, Tarrant, Wise	55 min
Dec 13, 1:09 AM CST	Special Weather Statement	FWD	Bell, Hill, Johnson, McLennan	66 min
Dec 13, 1:34 AM CST	Severe Thunderstorm Warning	FWD	Denton, Tarrant	41 min
Dec 13, 1:52 AM CST	Special Weather Statement	FWD	Collin, Cooke, Dallas, Denton, Ellis, Grayson and 3 more	53 min
Dec 13, 1:55 AM CST	Special Weather Statement	FWD	Bell, Falls, Hill, McLennan, Milam	50 min
Dec 13, 2:06 AM CST	Severe Thunderstorm Warning	FWD	Dallas, Ellis, Johnson, Tarrant	54 min
Dec 13, 2:55 AM CST	Special Weather Statement	FWD	Falls, Milam, Robertson	65 min
Dec 13, 2:59 AM CST	Special Weather Statement	FWD	Collin, Dallas, Kaufman, Navarro, Rockwall	61 min
Dec 13, 3:11 AM CST	Severe Thunderstorm Warning	FWD	Milam, Robertson	64 min
Dec 13, 3:43 AM CST	Severe Thunderstorm Warning	FWD	Collin, Fannin, Hunt, Rockwall	62 min
Dec 13, 4:01 AM CST	Special Weather Statement	FWD	Rains, Van Zandt	59 min
Dec 13, 4:10 AM CST	Special Weather Statement	FWD	Rains, Van Zandt	50 min
Dec 13, 4:10 AM CST	Severe Thunderstorm Warning	FWD	Leon, Robertson	43 min
Dec 13, 4:37 AM CST	Special Weather Statement	FWD	Delta, Hopkins, Lamar, Rains	53 min
Dec 13, 4:47 AM CST	Areal Flood Advisory	FWD	Hunt, Kaufman, Rains, Van Zandt	3 hr
Dec 13, 4:53 AM CST	Special Weather Statement	FWD	Anderson, Henderson	52 min
Dec 13, 5:06 AM CST	Flash Flood Warning	FWD	Leon	3 hr
Dec 13, 5:11 AM CST	Flash Flood Warning	FWD	Henderson, Van Zandt	4 hr
Dec 13, 5:46 AM CST	Areal Flood Warning	FWD	Anderson, Freestone	5 hr
Dec 13, 7:56 AM CST	Areal Flood Warning	FWD	Leon	24 hr
Dec 13, 8:34 AM CST	River Flood Warning	FWD	Collin	22 hr
Dec 13, 8:36 AM CST	River Flood Warning	FWD	Limestone	36 hr
Dec 13, 8:36 AM CST	River Flood Warning	FWD	Leon, Robertson	5 days
Dec 13, 9:11 AM CST	Areal Flood Warning	FWD	Henderson, Van Zandt	109 min
Dec 13, 1:28 PM CST	River Flood Warning	FWD	Ellis, Kaufman	65 hr
Dec 13, 1:28 PM CST	River Flood Warning	FWD	Collin	35 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2015 Every severe thunderstorm warning in 2015

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.