Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 121, NWS Fort Worth, TX

April 24, 2019Coryell County, Hamilton County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 24, 2019, 2:16 AM CDT for Coryell County, Hamilton County, Texas. It was in force for 59 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: Apr 24, 2019, 2:16 AM CDT (07:16 UTC)
Expired: Apr 24, 2019, 3:15 AM CDT
In force: 59 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Coryell County, TX, Hamilton County, TX

The radar

The Ft Hood radar (KGRK), 107 km from the middle of the area, began a volume at 07:17 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
Apr 23, 10:42 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.3 hours before the alert went out and 156 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: 937 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 744 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.9

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 Apr 23, 11:51 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Apr 23, 11:51 PM CDT, 2 hours 25 minutes before

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Hazardous weather outlook, Apr 23, 3:14 PM CDT, 11 hours 2 minutes before

Hazardous Weather Outlook
National Weather Service Fort Worth TX
314 PM CDT Tue Apr 23 2019

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-241245-
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-
314 PM CDT Tue Apr 23 2019

This Hazardous Weather Outlook is for North and Central Texas.

.DAY ONE...Tonight.
The ongoing thunderstorm activity will continue to increase in
coverage this evening. A few strong to severe storms are possible,
mainly over areas west of the DFW Metroplex. Isolated large hail,
damaging winds and locally heavy rainfall are the primary hazards.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Numerous thunderstorms are expected across the entire region
Wednesday and Wednesday night. Some strong to severe storms will be
possible with the best chances across Central Texas. Large hail and
damaging winds will be the main hazards. Locally heavy rainfall may
result in isolated instances of flash flooding, in addition to
flooding of creeks, streams and rivers. Storm chances will end from
west to east Thursday.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is possible this afternoon and evening, especially
west of the I-35 corridor.

In the hours before

Local storm report, Apr 23, 10:29 PM CDT, 3 hours 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1029 PM CDT TUE APR 23 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1027 PM     TSTM WND GST     GRAPEVINE               32.93N  97.08W
04/23/2019  M63 MPH          TARRANT            TX   ASOS

            A 63 MPH GUST WAS MEASURED BY THE DFW AIRPORT ASOS

Local storm report, Apr 23, 10:45 PM CDT, 3 hours 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1045 PM CDT TUE APR 23 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1040 PM     HAIL             5 S STEPHENVILLE        32.16N  98.20W
04/23/2019  E1.50 INCH       ERATH              TX   TRAINED SPOTTER

            PING PONG BALL SIZE HAIL 5 SOUTH OF STEPHENVILLE

Local storm report, Apr 23, 10:46 PM CDT, 3 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1046 PM CDT TUE APR 23 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1040 PM     TSTM WND GST     5 S STEPHENVILLE        32.16N  98.20W
04/23/2019  E60 MPH          ERATH              TX   TRAINED SPOTTER

Local storm report, Apr 23, 10:58 PM CDT, 3 hours 18 minutes before

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Local storm report, Apr 23, 11:01 PM CDT, 3 hours 15 minutes before

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Local storm report, Apr 23, 11:04 PM CDT, 3 hours 12 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
Apr 23, 7:48 PM CDT	Special Weather Statement	FWD	Hood, Palo Pinto, Parker	42 min
Apr 23, 8:22 PM CDT	Severe Thunderstorm Warning	FWD	Hood, Palo Pinto, Parker	53 min
Apr 23, 9:02 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Eastland	58 min
Apr 23, 9:06 PM CDT	Severe Thunderstorm Warning	FWD	Johnson, Parker, Tarrant	54 min
Apr 23, 9:27 PM CDT	Areal Flood Advisory	FWD	Collin	2 hr
Apr 23, 9:31 PM CDT	River Flood Warning	FWD	Dallas	17 hr
Apr 23, 9:52 PM CDT	Areal Flood Advisory	FWD	Tarrant	113 min
Apr 23, 9:59 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Tarrant	76 min
Apr 23, 10:01 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Erath	59 min
Apr 23, 10:13 PM CDT	Areal Flood Advisory	FWD	Dallas	3 hr
Apr 23, 10:48 PM CDT	Areal Flood Advisory	FWD	Comanche, Erath	3 hr
Apr 23, 10:57 PM CDT	Flash Flood Warning	FWD	Collin, Dallas, Denton	3 hr
Apr 24, 1:26 AM CDT	Severe Thunderstorm Warning	FWD	Comanche, Hamilton, Mills	64 min
Apr 24, 2:05 AM CDT	Areal Flood Advisory	FWD	Comanche, Erath	115 min
Apr 24, 3:11 AM CDT	River Flood Warning	FWD	Dallas	16 hr
Apr 24, 6:28 AM CDT	Areal Flood Advisory	FWD	Bell, Coryell	3 hr
Apr 24, 8:41 AM CDT	River Flood Warning	FWD	Ellis, Kaufman	5 days
Apr 24, 8:41 AM CDT	River Flood Warning	FWD	Kaufman	36 hr
Apr 24, 8:41 AM CDT	River Flood Warning	FWD	Navarro	61 hr
Apr 24, 2:20 PM CDT	Areal Flood Advisory	FWD	Comanche, Eastland, Erath	3 hr
Apr 24, 3:58 PM CDT	Special Weather Statement	FWD	Milam	47 min
Apr 24, 4:10 PM CDT	Severe Thunderstorm Warning	FWD	Milam	50 min
Apr 24, 4:22 PM CDT	Areal Flood Advisory	FWD	Bell	3 hr
Apr 24, 4:36 PM CDT	Areal Flood Advisory	FWD	Falls, McLennan	3 hr
Apr 24, 4:56 PM CDT	Severe Thunderstorm Warning	FWD	Milam, Robertson	64 min
Apr 24, 5:07 PM CDT	Tornado Warning	FWD	Milam, Robertson	38 min
Apr 24, 5:33 PM CDT	Special Weather Statement	FWD	Robertson	27 min
Apr 24, 5:44 PM CDT	Areal Flood Advisory	FWD	Robertson	2 hr
Apr 24, 6:40 PM CDT	Areal Flood Advisory	FWD	Milam	3 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.