Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 33, NWS Fort Worth, TX

March 9, 2013Young County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 9, 2013, 1:47 PM CST for Young County, Texas. It was in force for 43 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: Mar 9, 2013, 1:47 PM CST (19:47 UTC)
Expired: Mar 9, 2013, 2:30 PM CST
In force: 43 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

County Young County, TX

The radar

The Dyess AFB radar (KDYX), 89 km from the middle of the area, began a volume at 19:49 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 9, 1:46 PM CST	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 7.8 hours before the alert went out and 136 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: 494 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 418 m²/s²
0-3 km storm-relative helicity: 599 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Mar 9, 11:36 AM CST, 2 hours 11 minutes earlier.

Area forecast discussion, Mar 9, 11:36 AM CST, 2 hours 11 minutes before

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Hazardous weather outlook, Mar 9, 3:59 AM CST, 9 hours 48 minutes before

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In the hours before

Special weather statement, Mar 9, 1:40 PM CST, 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
140 PM CST SAT MAR 9 2013

TXZ100-092015-
YOUNG TX-
140 PM CST SAT MAR 9 2013

...SIGNIFICANT WEATHER ADVISORY FOR...
  YOUNG COUNTY

AT 140 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF
OLNEY TO 14 MILES NORTHWEST OF BRECKENRIDGE...MOVING NORTHEAST AT 45
MPH.

CITIES IN THE PATH OF THESE STORMS INCLUDE GRAHAM AND OLNEY.

PENNY-SIZED HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THESE
STORMS.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.

LAT...LON 3341 9891 3340 9842 3317 9843 3295 9862
      3296 9895 3309 9896
TIME...MOT...LOC 1940Z 239DEG 38KT 3347 9882 3296 9898

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 9, 1:40 PM CST	Special Weather Statement	FWD	Young	35 min
Mar 9, 2:17 PM CST	Severe Thunderstorm Warning	FWD	Jack, Young	58 min
Mar 9, 2:26 PM CST	Severe Thunderstorm Warning	FWD	Young	34 min
Mar 9, 3:07 PM CST	Severe Thunderstorm Warning	FWD	Montague	53 min
Mar 9, 3:13 PM CST	Severe Thunderstorm Warning	FWD	Jack, Wise	32 min
Mar 9, 3:36 PM CST	Severe Thunderstorm Warning	FWD	Jack, Wise	54 min
Mar 9, 3:46 PM CST	Special Weather Statement	FWD	Jack, Palo Pinto	29 min
Mar 9, 3:55 PM CST	Severe Thunderstorm Warning	FWD	Cooke, Montague	65 min
Mar 9, 4:09 PM CST	Severe Thunderstorm Warning	FWD	Montague	51 min
Mar 9, 4:18 PM CST	Special Weather Statement	FWD	Comanche, Eastland, Erath, Palo Pinto	27 min
Mar 9, 4:29 PM CST	Severe Thunderstorm Warning	FWD	Wise	46 min
Mar 9, 4:33 PM CST	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Parker	57 min
Mar 9, 4:57 PM CST	Severe Thunderstorm Warning	FWD	Cooke, Denton, Montague, Wise	63 min
Mar 9, 5:04 PM CST	Severe Thunderstorm Warning	FWD	Comanche, Eastland	56 min
Mar 9, 5:14 PM CST	Severe Thunderstorm Warning	FWD	Wise	46 min
Mar 9, 5:19 PM CST	Severe Thunderstorm Warning	FWD	Erath, Hood, Palo Pinto, Parker	56 min
Mar 9, 5:58 PM CST	Special Weather Statement	FWD	Denton, Grayson	32 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013 Every severe thunderstorm warning in 2013

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.