Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 147, NWS Fort Worth, TX

May 8, 2015Stephens County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 8, 2015, 10:43 PM CDT for Stephens County, Texas. It was in force for 62 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 8, 2015, 10:43 PM CDT (03:43 UTC)
Expired: May 8, 2015, 11:45 PM CDT
In force: 62 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Stephens County, TX

The radar

The Dyess AFB radar (KDYX), 45 km from the middle of the area, began a volume at 04:01 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
May 8, 7:27 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.7 hours before the alert went out and 145 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: 1762 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 903 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 12.8

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 8, 10:26 PM CDT, 17 minutes earlier.

Area forecast discussion, May 8, 10:26 PM CDT, 17 minutes before

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Hazardous weather outlook, May 8, 3:44 PM CDT, 6 hours 59 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
344 PM CDT FRI MAY 8 2015

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-091200-
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 FRI MAY 8 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING
ACROSS MUCH OF NORTH TEXAS. SEVERE WEATHER WILL BE POSSIBLE.
LARGE HAIL...DAMAGING WINDS...FLASH FLOODING...AND ISOLATED
TORNADOES ARE THE THREATS.

THE GREATEST THREAT FOR FLASH FLOODING WILL CONTINUE TO BE ALONG
AND NORTH OF I-20 TO THE RED RIVER WHERE GROUNDS ARE ALREADY
SATURATED.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS
SATURDAY THROUGH THURSDAY WITH THE BEST CHANCES FOR SEVERE
THUNDERSTORMS OCCURRING ON SATURDAY AND SUNDAY.

SEVERE WEATHER IS EXPECTED BOTH SATURDAY AND SUNDAY ACROSS MUCH OF
NORTH TEXAS. THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LARGE
HAIL...DAMAGING WINDS AND ISOLATED TORNADOES. IN ADDITION...FLASH
FLOODING WILL ALSO BE POSSIBLE DURING THIS TIME.

SEVERE WEATHER CHANCES DIMINISH HEADED INTO EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE ACROSS NORTH AND CENTRAL TEXAS
THIS AFTERNOON AND EVENING.

JLDUNN

In the hours before

Local storm report, May 8, 7:46 PM CDT, 2 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
746 PM CDT FRI MAY 08 2015

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

0744 PM     TSTM WND GST     BOWIE                   33.57N  97.85W
05/08/2015  M66 MPH          MONTAGUE           TX   ASOS

            66 MPH WIND GUST MEASURED BY THE BOWIE, TX AUTOMATED
            WEATHER OBSERVATION SYSTEM

Local storm report, May 8, 8:02 PM CDT, 2 hours 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
802 PM CDT FRI MAY 08 2015

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

0759 PM     HAIL             8 W GRAHAM              33.10N  98.74W
05/08/2015  E1.75 INCH       YOUNG              TX   EMERGENCY MNGR

            GLF BALL HAIL 8 W OF GRAHAM ON FM 3109

Local storm report, May 8, 9:24 PM CDT, 1 hour 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
924 PM CDT FRI MAY 08 2015

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

0916 PM     HAIL             3 NW BRECKENRIDGE       32.78N  98.94W
05/08/2015  E1.50 INCH       STEPHENS           TX   EMERGENCY MNGR

            PING PONG SIZE HAIL ON THE EAST SIDE OF HUBBARD CREEK
            LAKE.

Special weather statement, May 8, 9:57 PM CDT, 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
957 PM CDT FRI MAY 8 2015

TXZ102-090345-
WISE TX-
957 PM CDT FRI MAY 8 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN WISE COUNTY UNTIL 1045
PM CDT...

AT 956 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
CHICO...OR NEAR BRIDGEPORT...MOVING NORTHEAST AT 35 MPH.

DIME SIZE HAIL AND WINDS UP TO 30 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
DECATUR...BRIDGEPORT...ALVORD...CHICO...RUNAWAY BAY AND LAKE
BRIDGEPORT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR NORTH CENTRAL
TEXAS.

LAT...LON 3342 9740 3328 9744 3313 9783 3330 9792
      3342 9764
TIME...MOT...LOC 0256Z 246DEG 30KT 3325 9780

15-BAIN

Special weather statement, May 8, 10:01 PM CDT, 42 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1001 PM CDT FRI MAY 8 2015

TXZ092-093-090345-
GRAYSON TX-COOKE TX-
1001 PM CDT FRI MAY 8 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GRAYSON AND
NORTHEASTERN COOKE COUNTIES UNTIL 1045 PM CDT...

AT 1000 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES NORTH OF CALLISBURG...OR 10 MILES SOUTHEAST OF MARIETTA...
MOVING NORTHEAST AT 60 MPH.

DIME SIZE HAIL AND WIND GUSTS TO 40 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CALLISBURG AND SOUTHWESTERN LAKE TEXOMA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR NORTH CENTRAL
TEXAS.

LAT...LON 3387 9689 3385 9686 3385 9684 3387 9684
      3386 9678 3382 9676 3383 9673 3381 9671
      3366 9700 3378 9709 3385 9709 3386 9706
      3384 9703 3389 9698 3395 9700 3396 9698
      3394 9697 3396 9691
TIME...MOT...LOC 0300Z 235DEG 51KT 3382 9700

15-BAIN

Local storm report, May 8, 10:15 PM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1015 PM CDT FRI MAY 08 2015

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

0700 PM     FLASH FLOOD      NOCONA                  33.78N  97.73W
05/08/2015                   MONTAGUE           TX   BROADCAST MEDIA

            EXTENSIVE FLASH FLOODING AND FLOODING ACROSS MUCH OF
            MONTAGUE COUNTY PER 10 PM NEWS VIDEO.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 7:05 PM CDT	Flash Flood Warning	FWD	Fannin, Lamar	3 hr
May 8, 7:05 PM CDT	Tornado Warning	FWD	Young	43 min
May 8, 7:06 PM CDT	Severe Thunderstorm Warning	FWD	Jack	39 min
May 8, 7:10 PM CDT	Tornado Warning	FWD	Montague	50 min
May 8, 7:17 PM CDT	Severe Thunderstorm Warning	FWD	Stephens, Young	58 min
May 8, 7:30 PM CDT	Severe Thunderstorm Warning	FWD	Montague	60 min
May 8, 7:38 PM CDT	Areal Flood Advisory	FWD	Anderson, Freestone, Henderson, Navarro	3 hr
May 8, 7:44 PM CDT	Flash Flood Warning	FWD	Young	3 hr
May 8, 7:48 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Stephens, Young	57 min
May 8, 7:54 PM CDT	Tornado Warning	FWD	Montague	15 min
May 8, 8:28 PM CDT	Severe Thunderstorm Warning	FWD	Montague	47 min
May 8, 8:35 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	55 min
May 8, 8:46 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Stephens, Young	59 min
May 8, 8:49 PM CDT	Flash Flood Warning	FWD	Stephens	3 hr
May 8, 9:34 PM CDT	Flash Flood Warning	FWD	Cooke	3 hr
May 8, 9:43 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens, Young	62 min
May 8, 9:57 PM CDT	Special Weather Statement	FWD	Wise	48 min
May 8, 10:07 PM CDT	Areal Flood Warning	FWD	Montague	3 hr
May 8, 10:25 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Young	26 min
May 8, 10:32 PM CDT	Areal Flood Warning	FWD	Cooke	3 hr
May 8, 10:33 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	42 min
May 8, 10:36 PM CDT	Areal Flood Warning	FWD	Young	3 hr
May 8, 11:43 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	47 min
May 8, 11:47 PM CDT	Special Weather Statement	FWD	Lamar	43 min
May 8, 11:49 PM CDT	Flash Flood Warning	FWD	Stephens	3 hr
May 9, 12:14 AM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto	39 min
May 9, 3:08 AM CDT	Areal Flood Warning	FWD	Stephens	6 hr
May 9, 5:46 AM CDT	Special Weather Statement	FWD	Young	44 min
May 9, 6:30 AM CDT	Severe Thunderstorm Warning	FWD	Young	35 min
May 9, 6:43 AM CDT	Special Weather Statement	FWD	Jack	47 min
May 9, 6:54 AM CDT	Severe Thunderstorm Warning	FWD	Jack	50 min
May 9, 7:37 AM CDT	Special Weather Statement	FWD	Montague	38 min
May 9, 8:09 AM CDT	Special Weather Statement	FWD	Montague	51 min
May 9, 8:33 AM CDT	Areal Flood Advisory	FWD	Montague	3 hr
May 9, 8:37 AM CDT	River Flood Warning	FWD	Hunt	44 hr
May 9, 9:07 AM CDT	Special Weather Statement	FWD	Wise	23 min
May 9, 9:14 AM CDT	Areal Flood Advisory	FWD	Wise	2 hr
May 9, 9:20 AM CDT	River Flood Warning	FWD	Young	28 hr
May 9, 9:37 AM CDT	River Flood Warning	FWD	Dallas	27 hr
May 9, 9:37 AM CDT	River Flood Warning	FWD	Collin	3 days
May 9, 9:37 AM CDT	River Flood Warning	FWD	Henderson, Navarro	5 days
May 9, 9:49 AM CDT	Special Weather Statement	FWD	Denton	41 min
May 9, 10:06 AM CDT	Areal Flood Advisory	FWD	Cooke, Denton	114 min
May 9, 10:23 AM CDT	Special Weather Statement	FWD	Collin, Denton, Grayson	67 min
May 9, 10:26 AM CDT	Flash Flood Warning	FWD	Collin, Cooke, Denton, Grayson	6 hr
May 9, 10:31 AM CDT	Areal Flood Warning	FWD	Wise	119 min
May 9, 11:44 AM CDT	Special Weather Statement	FWD	Fannin	61 min
May 9, 12:11 PM CDT	Flash Flood Warning	FWD	Fannin	3 hr
May 9, 12:19 PM CDT	Special Weather Statement	FWD	Fannin, Lamar	41 min
May 9, 12:25 PM CDT	Areal Flood Warning	FWD	Wise	3 hr
May 9, 12:45 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Lamar	45 min
May 9, 1:19 PM CDT	Special Weather Statement	FWD	Grayson	26 min
May 9, 1:41 PM CDT	Special Weather Statement	FWD	Grayson	34 min
May 9, 1:49 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Lamar	56 min
May 9, 2:06 PM CDT	Special Weather Statement	FWD	Grayson	39 min
May 9, 2:35 PM CDT	Areal Flood Advisory	FWD	Lamar	115 min
May 9, 3:14 PM CDT	Areal Flood Warning	FWD	Fannin	3 hr
May 9, 3:18 PM CDT	Areal Flood Advisory	FWD	Wise	117 min
May 9, 3:22 PM CDT	River Flood Warning	FWD	Collin	51 hr
May 9, 3:22 PM CDT	River Flood Warning	FWD	Denton	17 hr
May 9, 3:44 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	61 min
May 9, 4:26 PM CDT	Areal Flood Warning	FWD	Lamar	3 hr
May 9, 4:28 PM CDT	Tornado Warning	FWD	Eastland	47 min
May 9, 4:34 PM CDT	Areal Flood Warning	FWD	Collin, Denton	3 hr
May 9, 4:41 PM CDT	Severe Thunderstorm Warning	FWD	Young	64 min
May 9, 4:41 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	64 min
May 9, 4:46 PM CDT	Tornado Warning Tornado observed	FWD	Eastland	29 min
May 9, 4:47 PM CDT	Special Weather Statement	FWD	Cooke	43 min
May 9, 4:55 PM CDT	Tornado Warning Tornado observed	FWD	Cooke	35 min
May 9, 5:20 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Grayson	55 min
May 9, 5:28 PM CDT	Tornado Warning	FWD	Delta, Hopkins, Lamar	20 min
May 9, 5:39 PM CDT	Flash Flood Warning	FWD	Eastland	6 hr
May 9, 5:42 PM CDT	Severe Thunderstorm Warning	FWD	Young	63 min
May 9, 5:42 PM CDT	Tornado Warning	FWD	Eastland	33 min
May 9, 5:42 PM CDT	Tornado Warning	FWD	Cooke	22 min
May 9, 5:44 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	61 min
May 9, 5:58 PM CDT	Tornado Warning	FWD	Young	32 min
May 9, 5:59 PM CDT	Flash Flood Warning	FWD	Young	2 hr
May 9, 6:06 PM CDT	Tornado Warning	FWD	Grayson	24 min
May 9, 6:09 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Erath, Palo Pinto	66 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.