Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 186, NWS Fort Worth, TX

May 9, 2016Jack County, Young County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 9, 2016, 4:17 AM CDT for Jack County, Young County, Texas. It was in force for 58 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: May 9, 2016, 4:17 AM CDT (09:17 UTC)
Expired: May 9, 2016, 5:15 AM CDT
In force: 58 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Jack County, TX, Young County, TX

The radar

The Dyess AFB radar (KDYX), 107 km from the middle of the area, began a volume at 09:16 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, 9.3 hours before the alert went out and 114 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: 146 J/kg
Mixed-layer CIN: -310 J/kg
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 207 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

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 May 9, 4:13 AM CDT, 4 minutes earlier.

Area forecast discussion, May 9, 4:13 AM CDT, 4 minutes before

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Hazardous weather outlook, May 8, 11:51 PM CDT, 4 hours 26 minutes before

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In the hours before

Special weather statement, May 9, 12:01 AM CDT, 4 hours 16 minutes before

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Special weather statement, May 9, 12:49 AM CDT, 3 hours 28 minutes before

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Special weather statement, May 9, 3:51 AM CDT, 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
351 AM CDT MON MAY 9 2016

TXZ100-115-090915-
STEPHENS TX-YOUNG TX-
351 AM CDT MON MAY 9 2016

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN YOUNG AND NORTHERN
STEPHENS COUNTIES UNTIL 415 AM CDT...

AT 350 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES SOUTH OF WOODSON...OR 12 MILES NORTHWEST OF BRECKENRIDGE...MOVING
NORTHEAST AT 50 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CRYSTAL FALLS AND NEWCASTLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. SEEK
A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3295 9910 3296 9895 3314 9895 3332 9875
      3291 9857 3277 9905 3283 9910
TIME...MOT...LOC 0850Z 239DEG 42KT 3290 9905

58

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 7:08 PM CDT	Special Weather Statement	FWD	Eastland	67 min
May 8, 7:12 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Parker, Wise	63 min
May 9, 12:01 AM CDT	Special Weather Statement	FWD	Erath	29 min
May 9, 12:49 AM CDT	Special Weather Statement	FWD	Grayson	26 min
May 9, 3:51 AM CDT	Special Weather Statement	FWD	Young	24 min
May 9, 4:52 AM CDT	Areal Flood Advisory	FWD	Young	3 hr
May 9, 4:57 AM CDT	Special Weather Statement	FWD	Montague	48 min
May 9, 5:53 AM CDT	Special Weather Statement	FWD	Jack, Montague	52 min
May 9, 6:36 AM CDT	Severe Thunderstorm Warning	FWD	Stephens, Young	54 min
May 9, 7:23 AM CDT	Special Weather Statement	FWD	Jack	37 min
May 9, 7:52 AM CDT	Areal Flood Advisory	FWD	Jack	3 hr
May 9, 8:58 AM CDT	River Flood Warning	FWD	Wise	5 days
May 9, 6:04 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Lamar	56 min
May 9, 6:16 PM CDT	Tornado Warning	FWD	Fannin, Lamar	29 min
May 9, 6:36 PM CDT	Tornado Warning	FWD	Lamar	54 min
May 9, 6:59 PM CDT	Tornado Warning	FWD	Lamar	31 min

Nearby

Severe Thunderstorm Warnings in Texas, 2016 Every severe thunderstorm warning in 2016

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.