Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 51, NWS Fort Worth, TX

April 22, 2015Young County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 22, 2015, 11:39 PM CDT for Young County, Texas. It was in force for 66 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 22, 2015, 11:39 PM CDT (04:39 UTC)
Expired: Apr 23, 2015, 12:45 AM CDT
In force: 66 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Young County, TX

The radar

The Dyess AFB radar (KDYX), 89 km from the middle of the area, began a volume at 04:39 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 22, 10:25 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.7 hours before the alert went out and 136 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: 800 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 8.3

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 22, 8:13 PM CDT, 3 hours 26 minutes earlier.

Area forecast discussion, Apr 22, 8:13 PM CDT, 3 hours 26 minutes before

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Hazardous weather outlook, Apr 22, 3:44 PM CDT, 7 hours 55 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
344 PM CDT WED APR 22 2015

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-231200-
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-
344 PM CDT WED APR 22 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL TEXAS.

.DAY ONE...LATE THIS AFTERNOON AND TONIGHT.
SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP
LATE THIS AFTERNOON...ESPECIALLY WEST OF THE INTERSTATE 35
CORRIDOR. THESE STORMS WILL MOVE EAST ACROSS NORTH TEXAS THROUGH
THE EVENING. SEVERE WEATHER HAZARDS INCLUDE VERY LARGE HAIL...
DAMAGING WINDS AND FREQUENT LIGHTNING. A FEW TORNADOES ARE
POSSIBLE...ESPECIALLY DURING THE LATE AFTERNOON AND EARLY EVENING
HOURS.

HEAVY RAIN...LARGE HAIL AND DAMAGING WINDS WILL BECOME THE MAIN
THREAT LATE THIS EVENING AND OVERNIGHT AS A SEVERE STORM COMPLEX
MOVES SOUTHEAST ACROSS THE REGION. A LOCALIZED FLASH FLOOD THREAT
WILL ALSO BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
CHANCES FOR STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE THURSDAY
AND AGAIN ON FRIDAY. THE MAIN THUNDERSTORM HAZARDS ARE EXPECTED
TO BE LARGE HAIL...DAMAGING WINDS AND FREQUENT LIGHTNING. A FEW
TORNADOES WILL BE POSSIBLE EACH AFTERNOON AND EVENING. AREAS OF
HEAVY RAIN MAY RESULT IN LOCALIZED FLASH FLOODING.

THUNDERSTORM CHANCES RETURN TO THE REGION SUNDAY THROUGH TUESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS LIKELY WEST OF THE INTERSTATE 35 CORRIDOR
THROUGH MID EVENING AND REGION WIDE FROM MID EVENING THROUGH THE
OVERNIGHT HOURS.

In the hours before

Local storm report, Apr 22, 6:59 PM CDT, 4 hours 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
659 PM CDT WED APR 22 2015

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

0648 PM     HAIL             3 NW GATESVILLE         31.46N  97.79W
04/22/2015  E1.50 INCH       CORYELL            TX   PUBLIC

Local storm report, Apr 22, 7:54 PM CDT, 3 hours 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
754 PM CDT WED APR 22 2015

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

0753 PM     HAIL             1 W BRUCEVILLE-EDDY     31.32N  97.25W
04/22/2015  E0.75 INCH       MCLENNAN           TX   EMERGENCY MNGR

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 7:28 PM CDT	Areal Flood Advisory	FWD	McLennan	62 min
Apr 22, 7:50 PM CDT	Severe Thunderstorm Warning	FWD	Falls, McLennan	45 min
Apr 22, 9:22 PM CDT	Areal Flood Advisory	FWD	Freestone, Limestone	113 min
Apr 23, 12:05 AM CDT	Severe Thunderstorm Warning	FWD	Stephens	55 min
Apr 23, 12:59 AM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	61 min
Apr 23, 1:37 AM CDT	Severe Thunderstorm Warning	FWD	Erath	53 min
Apr 23, 1:38 AM CDT	Special Weather Statement	FWD	Eastland	52 min
Apr 23, 2:29 AM CDT	Special Weather Statement	FWD	Hood	46 min
Apr 23, 7:48 AM CDT	River Flood Warning	FWD	Hunt	32 hr
Apr 23, 7:54 AM CDT	River Flood Warning	FWD	Collin	18 hr
Apr 23, 4:19 PM CDT	Special Weather Statement	FWD	Lampasas	26 min
Apr 23, 4:44 PM CDT	Special Weather Statement	FWD	Coryell	46 min
Apr 23, 4:54 PM CDT	Severe Thunderstorm Warning	FWD	Bell, Coryell, Lampasas	33 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015 Every severe thunderstorm warning in 2015

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.