Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 191, NWS Fort Worth, TX

May 18, 2019Leon County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 18, 2019, 10:38 PM CDT for Leon 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: May 18, 2019, 10:38 PM CDT (03:38 UTC)
Expired: May 18, 2019, 11:15 PM CDT
In force: 37 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Leon County, TX

The radar

The Ft Hood radar (KGRK), 147 km from the middle of the area, began a volume at 03:38 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

Shreveport, LA (KBAD), launched 00:00Z, 3.6 hours before the alert went out and 250 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: 1844 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 10.6

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 18, 6:57 PM CDT, 3 hours 41 minutes earlier.

Area forecast discussion, May 18, 6:57 PM CDT, 3 hours 41 minutes before

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Hazardous weather outlook, May 18, 2:33 PM CDT, 8 hours 5 minutes before

Hazardous Weather Outlook
National Weather Service Fort Worth TX
233 PM CDT Sat May 18 2019

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-191215-
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-
233 PM CDT Sat May 18 2019

This Hazardous Weather Outlook is for North and Central Texas.

.DAY ONE...Tonight.
Thunderstorms will continue to push east across North and Central
Texas this evening. Lingering storms across Central Texas may be
capable of damaging winds, large hail, and a couple of tornadoes
through mid evening. Thunderstorms should exit to the east
thereafter.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.
After a break in thunderstorm chances on Sunday, additional storms
are possible on Monday and Tuesday across the region. Severe weather
will be possible during this time as well.

Low thunderstorm chances will also exist on Wednesday afternoon.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is likely across parts of North and Central Texas
through this evening.

In the hours before

Local storm report, May 18, 7:44 PM CDT, 2 hours 54 minutes before

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Special weather statement, May 18, 8:17 PM CDT, 2 hours 21 minutes before

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Special weather statement, May 18, 8:27 PM CDT, 2 hours 11 minutes before

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Special weather statement, May 18, 8:52 PM CDT, 1 hour 46 minutes before

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Special weather statement, May 18, 9:02 PM CDT, 1 hour 36 minutes before

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Special weather statement, May 18, 9:46 PM CDT, 52 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
May 18, 7:01 PM CDT	Special Weather Statement	FWD	Tarrant	44 min
May 18, 7:03 PM CDT	Areal Flood Advisory	FWD	Anderson	3 hr
May 18, 7:07 PM CDT	Severe Thunderstorm Warning	FWD	Parker, Tarrant	53 min
May 18, 7:32 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Tarrant	19 min
May 18, 7:39 PM CDT	Severe Thunderstorm Warning	FWD	Leon	51 min
May 18, 8:17 PM CDT	Special Weather Statement	FWD	Dallas, Tarrant	43 min
May 18, 8:27 PM CDT	Special Weather Statement	FWD	Anderson	48 min
May 18, 8:52 PM CDT	Special Weather Statement	FWD	Dallas	38 min
May 18, 9:02 PM CDT	Special Weather Statement	FWD	Freestone	58 min
May 18, 9:04 PM CDT	Severe Thunderstorm Warning	FWD	Anderson	26 min
May 18, 9:15 PM CDT	River Flood Warning	FWD	Collin	35 hr
May 18, 9:21 PM CDT	Severe Thunderstorm Warning	FWD	Anderson	27 min
May 18, 9:37 PM CDT	Severe Thunderstorm Warning	FWD	Leon	53 min
May 18, 9:39 PM CDT	River Flood Warning	FWD	Palo Pinto	22 hr
May 18, 9:46 PM CDT	Special Weather Statement	FWD	Anderson	29 min
May 18, 10:01 PM CDT	Areal Flood Advisory	FWD	Anderson, Freestone, Leon	119 min
May 18, 11:02 PM CDT	Special Weather Statement	FWD	Rains	28 min
May 18, 11:12 PM CDT	Special Weather Statement	FWD	Leon	33 min
May 18, 11:28 PM CDT	Special Weather Statement	FWD	Leon	32 min
May 18, 11:44 PM CDT	Areal Flood Warning	FWD	Anderson, Freestone, Leon, Limestone	9 hr
May 19, 8:23 AM CDT	River Flood Warning	FWD	Ellis, Kaufman	4 days
May 19, 2:47 PM CDT	River Flood Warning	FWD	Leon, Robertson	21 days

Nearby

Severe Thunderstorm Warnings in Texas, 2019 Every severe thunderstorm warning in 2019

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.