Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 220, NWS Fort Worth, TX

May 19, 2017Eastland County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 19, 2017, 1:03 AM CDT for Eastland County, Texas. It was in force for 57 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 19, 2017, 1:03 AM CDT (06:03 UTC)
Expired: May 19, 2017, 2:00 AM CDT
In force: 57 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Eastland County, TX

The radar

The Dyess AFB radar (KDYX), 46 km from the middle of the area, began a volume at 06:04 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, 6.1 hours before the alert went out and 155 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: 1519 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1729 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 16.4

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 May 19, 12:09 AM CDT, 54 minutes earlier.

Area forecast discussion, May 19, 12:09 AM CDT, 54 minutes before

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Hazardous weather outlook, May 18, 4:00 PM CDT, 9 hours 3 minutes before

Hazardous Weather Outlook
National Weather Service Fort Worth TX
400 PM CDT Thu May 18 2017

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-191100-
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-
400 PM CDT Thu May 18 2017

This Hazardous Weather Outlook is for North and Central Texas.

.DAY ONE...Tonight.
Thunderstorms are expected to move east into the I-35 corridor by
early evening. The strongest storms will likely become severe with
hail to the size of baseballs and destructive winds in excess of 70
mph. The tornado threat will gradually diminish this evening, and
the storms will likely dissipate in East Texas by late evening.

Additional thunderstorms may develop after midnight, but the severe
threat with any activity during the early morning hours will be low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Thunderstorm chances will continue on Friday, particularly west of
the I-35 corridor. Some of these storms could be strong to severe,
with large hail and damaging winds the primary threats.

More widespread rain and thunderstorms are expected Friday night
into Saturday morning. Additional rounds of rain and storms are
likely late Saturday into Sunday, particularly south of the I-20
corridor. Where the greatest rainfall occurs, there may be some
flooding concerns.

The unsettled weather pattern will continue Monday and Tuesday with
additional thunderstorm chances.

.SPOTTER INFORMATION STATEMENT...
Into the evening hours, spotter activation will likely be requested,
particularly along and west of the I-35 corridor.

25

In the hours before

Local storm report, May 18, 11:04 PM CDT, 1 hour 59 minutes before

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Local storm report, May 18, 11:22 PM CDT, 1 hour 41 minutes before

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Local storm report, May 18, 11:26 PM CDT, 1 hour 37 minutes before

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Local storm report, May 18, 11:29 PM CDT, 1 hour 34 minutes before

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Special weather statement, May 19, 12:32 AM CDT, 31 minutes before

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Special weather statement, May 19, 12:39 AM CDT, 24 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, 7:10 PM CDT	Special Weather Statement	FWD	Eastland	50 min
May 18, 7:18 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	57 min
May 18, 8:00 PM CDT	Severe Thunderstorm Warning	FWD	Comanche	45 min
May 18, 8:05 PM CDT	Tornado Warning	FWD	Eastland	25 min
May 18, 8:10 PM CDT	Tornado Warning Tornado observed	FWD	Comanche	50 min
May 18, 8:12 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	33 min
May 18, 8:30 PM CDT	Flash Flood Warning	FWD	Comanche, Eastland	6 hr
May 18, 8:39 PM CDT	Tornado Warning	FWD	Comanche	36 min
May 18, 8:43 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Eastland	62 min
May 18, 9:06 PM CDT	Special Weather Statement	FWD	Stephens	24 min
May 18, 9:13 PM CDT	Tornado Warning	FWD	Comanche	32 min
May 18, 9:27 PM CDT	High Wind Warning	FWD	Denton, Tarrant, Wise	3 hr
May 18, 9:40 PM CDT	Severe Thunderstorm Warning	FWD	Comanche	65 min
May 18, 9:42 PM CDT	Severe Thunderstorm Warning	FWD	Montague	48 min
May 18, 9:43 PM CDT	Tornado Warning	FWD	Comanche	32 min
May 18, 9:46 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	44 min
May 18, 9:57 PM CDT	Severe Thunderstorm Warning	FWD	Mills	63 min
May 18, 10:19 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Hamilton	41 min
May 18, 10:27 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Montague	40 min
May 18, 10:35 PM CDT	Tornado Warning	FWD	Hamilton, Mills	25 min
May 18, 10:41 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	49 min
May 18, 10:56 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Hamilton, Mills	43 min
May 19, 12:16 AM CDT	Areal Flood Advisory	FWD	Eastland	3 hr
May 19, 12:32 AM CDT	Special Weather Statement	FWD	Collin, Denton, Fannin, Grayson, Lamar, Palo Pinto and 3 more	73 min
May 19, 12:39 AM CDT	Special Weather Statement	FWD	Stephens	51 min
May 19, 12:44 AM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	44 min
May 19, 1:56 AM CDT	Special Weather Statement	FWD	Eastland	64 min
May 19, 2:41 AM CDT	Special Weather Statement	FWD	Palo Pinto	34 min
May 19, 6:40 AM CDT	Severe Thunderstorm Warning	FWD	Stephens	65 min
May 19, 7:12 AM CDT	Severe Thunderstorm Warning	FWD	Young	63 min
May 19, 7:52 AM CDT	Special Weather Statement	FWD	Jack	53 min
May 19, 8:53 AM CDT	Special Weather Statement	FWD	Young	37 min
May 19, 11:10 AM CDT	Severe Thunderstorm Warning	FWD	Young	42 min
May 19, 12:57 PM CDT	Severe Thunderstorm Warning	FWD	Young	63 min
May 19, 1:50 PM CDT	Areal Flood Advisory	FWD	Young	3 hr
May 19, 2:54 PM CDT	Severe Thunderstorm Warning	FWD	Montague	51 min
May 19, 5:07 PM CDT	Special Weather Statement	FWD	Young	23 min
May 19, 5:11 PM CDT	Severe Thunderstorm Warning	FWD	Young	32 min
May 19, 6:04 PM CDT	Severe Thunderstorm Warning	FWD	Montague	56 min
May 19, 6:10 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Hamilton	50 min
May 19, 6:58 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Coryell, Erath, Hamilton	47 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017 Every severe thunderstorm warning in 2017

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.