Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 4, NWS Fort Worth, TX

March 9, 20194 counties in Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 9, 2019, 4:17 AM CST for 4 counties in 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, 2019, 4:17 AM CST (10:17 UTC)
Expired: Mar 9, 2019, 5:00 AM CST
In force: 43 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Cooke County, TX, Denton County, TX, Grayson County, TX, Wise County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 95 km from the middle of the area, began a volume at 10:19 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, 3:49 AM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 10.3 hours before the alert went out and 201 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: 1328 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 317 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, 3:47 AM CST, 30 minutes earlier.

Area forecast discussion, Mar 9, 3:47 AM CST, 30 minutes before

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Hazardous weather outlook, Mar 9, 4:13 AM CST, 4 minutes before

Hazardous Weather Outlook
National Weather Service Fort Worth TX
413 AM CST Sat Mar 9 2019

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-101015-
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-
413 AM CST Sat Mar 9 2019

This Hazardous Weather Outlook is for North and Central Texas.

.DAY ONE...Today and Tonight.
Strong to severe thunderstorms will be possible mainly east of I-35
and north of I-20 through mid-morning. Additional sub-severe storms
will be possible south of I-20. Large hail and damaging winds will be
the primary threats, but an isolated tornado can't be ruled out
northeast of a Sulphur Springs to Bonham line.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Thunderstorm chances will return on Monday and continue through the
first half of the week. Some strong or severe storms may be possible
throughout this time period, and flooding concerns may also arise
after multiple days of rainfall.

.SPOTTER INFORMATION STATEMENT...
Limited spotter activation may be requested through mid-morning for
areas east of Interstate 35.

In the hours before

Special weather statement, Mar 9, 2:49 AM CST, 1 hour 28 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
249 AM CST SAT MAR 9 2019

TXZ115-090930-
Stephens TX-
249 AM CST SAT MAR 9 2019

...SIGNIFICANT WEATHER ADVISORY FOR STEPHENS COUNTY UNTIL 330 AM
CST...

At 249 AM CST, Doppler radar was tracking a strong thunderstorm over
Ibex, or 11 miles southeast of Albany, moving northeast at 60 mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Breckenridge, Necessity, Crystal Falls and Us-
180 Near The Shackelford-Stephens County Line.

LAT...LON 3280 9910 3296 9889 3295 9858 3264 9858
      3254 9910
TIME...MOT...LOC 0849Z 240DEG 60KT 3265 9912

30

Special weather statement, Mar 9, 3:05 AM CST, 1 hour 12 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
305 AM CST SAT MAR 9 2019

TXZ129-090945-
Eastland TX-
305 AM CST SAT MAR 9 2019

...SIGNIFICANT WEATHER ADVISORY FOR EASTLAND COUNTY UNTIL 345 AM
CST...

At 304 AM CST, Doppler radar was tracking a strong thunderstorm near
Atwell, or 11 miles southwest of Cisco, moving east at 65 mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Eastland, Cisco, Ranger, Gorman, Rising Star and Carbon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so closely monitor for additional
information or possible warnings from the National Weather Service.

&&

LAT...LON 3251 9911 3251 9847 3230 9848 3208 9893
      3208 9912
TIME...MOT...LOC 0904Z 249DEG 58KT 3231 9915

30

Local storm report, Mar 9, 3:25 AM CST, 52 minutes before

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Special weather statement, Mar 9, 3:46 AM CST, 31 minutes before

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Special weather statement, Mar 9, 3:48 AM CST, 29 minutes before

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Special weather statement, Mar 9, 4:11 AM CST, 6 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
Mar 9, 2:49 AM CST	Special Weather Statement	FWD	Stephens	41 min
Mar 9, 3:05 AM CST	Special Weather Statement	FWD	Eastland	40 min
Mar 9, 3:46 AM CST	Special Weather Statement	FWD	Denton	29 min
Mar 9, 3:48 AM CST	Special Weather Statement	FWD	Hood	27 min
Mar 9, 3:54 AM CST	Severe Thunderstorm Warning	FWD	Erath, Hood, Palo Pinto, Parker	51 min
Mar 9, 4:11 AM CST	Special Weather Statement	FWD	Cooke, Denton	34 min
Mar 9, 4:34 AM CST	Severe Thunderstorm Warning	FWD	Parker, Tarrant	41 min
Mar 9, 4:40 AM CST	Special Weather Statement	FWD	Hood	35 min
Mar 9, 4:49 AM CST	Severe Thunderstorm Warning	FWD	Erath, Hood	26 min
Mar 9, 5:05 AM CST	Severe Thunderstorm Warning	FWD	Collin, Dallas, Denton, Tarrant	40 min
Mar 9, 5:19 AM CST	Special Weather Statement	FWD	Tarrant	26 min
Mar 9, 5:41 AM CST	Severe Thunderstorm Warning	FWD	Collin, Fannin, Grayson, Hunt	49 min
Mar 9, 6:29 AM CST	Severe Thunderstorm Warning	FWD	Delta, Fannin, Hunt, Lamar	46 min
Mar 9, 6:32 AM CST	Special Weather Statement	FWD	Hood, Somervell	28 min
Mar 9, 6:43 AM CST	Severe Thunderstorm Warning	FWD	Hood, Johnson, Somervell	47 min
Mar 9, 7:10 AM CST	Special Weather Statement	FWD	Dallas	35 min
Mar 9, 7:21 AM CST	Severe Thunderstorm Warning	FWD	Ellis, Hill, Johnson	39 min
Mar 9, 7:24 AM CST	Severe Thunderstorm Warning	FWD	Dallas, Kaufman, Rockwall	36 min
Mar 9, 7:47 AM CST	Special Weather Statement	FWD	Hunt	28 min
Mar 9, 7:57 AM CST	Severe Thunderstorm Warning	FWD	Dallas, Delta, Hopkins, Hunt, Kaufman, Rains and 2 more	63 min
Mar 9, 8:02 AM CST	Special Weather Statement	FWD	Ellis	43 min
Mar 9, 8:46 AM CST	Special Weather Statement	FWD	Hopkins	29 min
Mar 9, 8:48 AM CST	Special Weather Statement	FWD	Henderson	57 min
Mar 9, 8:59 AM CST	Severe Thunderstorm Warning	FWD	Henderson	61 min
Mar 9, 9:14 AM CST	Severe Thunderstorm Warning	FWD	Van Zandt	27 min
Mar 9, 5:11 PM CST	River Flood Warning	FWD	Hunt	21 hr

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.