Alert archive / Texas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 441, NWS Fort Worth, TX

June 21, 2011Denton County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 21, 2011, 2:25 AM CDT for Denton County, Texas. It was in force for 20 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 21, 2011, 2:25 AM CDT (07:25 UTC)
Expired: Jun 21, 2011, 2:45 AM CDT
In force: 20 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

County Denton County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 76 km from the middle of the area, began a volume at 07:28 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.

What was reported inside it

Time	Report	Where	Remark
Jun 21, 2:30 AM CDT	TSTM WND DMG	2 Sw Denton, TX	3-4 TREES WERE SNAPPED AT THE GROUND. SOME BRANCHES DAMAGED CARS.
Jun 21, 2:30 AM CDT	HAIL 1	2 Sw Denton, TX
Jun 21, 2:34 AM CDT	TSTM WND GST 64	Denton, TX	KDTO
Jun 21, 2:35 AM CDT	TSTM WND GST 75	Denton, TX	PEAK WIND MEASURED BY ASOS AT KDTO.
Jun 21, 2:42 AM CDT	HAIL 1.5	2 S Denton, TX
Jun 21, 2:45 AM CDT	TSTM WND GST 60	Corinth, TX
Jun 21, 2:46 AM CDT	TSTM WND DMG	Corinth, TX	2 TO 3 FOOT DIAMTER TREE WAS UPROOTED AND SHINGLES HAVE BEEN TORN OFF OF ROOFS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 6 storm reports to this severe thunderstorm warning; the first came 5 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 20, 9:46 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.4 hours before the alert went out and 48 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: 1045 J/kg
Mixed-layer CIN: -288 J/kg
Mixed-layer LCL: 2415 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

309 
WUUS54 KFWD 210725
SVRFWD
TXC121-210745-
/O.NEW.KFWD.SV.W.0441.110621T0725Z-110621T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
225 AM CDT TUE JUN 21 2011

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DENTON COUNTY IN NORTH CENTRAL TEXAS...

* UNTIL 245 AM CDT

* AT 225 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
  KRUM...AND MOVING SOUTHEAST AT 40 MPH.  A SEVERE THUNDERSTORM      
  WARNING REMAINS IN EFFECT FOR SOUTHWESTERN DENTON COUNTY.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DENTON AND RAY ROBERTS PARK ISLE DU BOIS AROUND 235 AM...
  KRUGERVILLE...AUBREY AND PILOT POINT AROUND 240 AM...
  SHADY SHORES...CROSS ROADS...CORINTH AND LITTLE ELM AROUND 245
  AM...

THIS WILL IMPACT THE FOLLOWING INTERSTATES...
I-35 BETWEEN MILE MARKERS 468 AND 483...
I-35W BETWEEN MILE MARKERS 82 AND 85...
I-35E BETWEEN MILE MARKERS 80 AND 96.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO A STURDY SHELTER UNTIL THE STORM HAS
PASSED.

&&

LAT...LON 3341 9684 3299 9685 3299 9703 3313 9700
      3320 9738 3321 9739 3331 9734 3342 9711
TIME...MOT...LOC 0725Z 298DEG 34KT 3327 9721

$$


CAVANAUGH

1 follow-up statement

791 
WWUS54 KFWD 210735
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
235 AM CDT TUE JUN 21 2011

TXC121-210745-
/O.CON.KFWD.SV.W.0441.000000T0000Z-110621T0745Z/
DENTON TX-
235 AM CDT TUE JUN 21 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR DENTON COUNTY...

AT 235 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.  THIS STORM WAS LOCATED NEAR 
DENTON...MOVING EAST AT 35 MPH.  THIS IS AN EXTREMELY DANGEROUS 
STORM...IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER 
IMMEDIATELY!

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SHADY SHORES...OAK POINT...CROSS ROADS AND CORINTH AROUND 245 AM
  CDT...

THIS WILL IMPACT THE FOLLOWING INTERSTATES...
I-35 BETWEEN MILE MARKERS 468 AND 483...
I-35W BETWEEN MILE MARKERS 82 AND 85...
I-35E BETWEEN MILE MARKERS 81 AND 96.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. THIS IS
AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 3341 9684 3299 9685 3299 9703 3313 9700
      3320 9738 3321 9739 3331 9734 3342 9711
TIME...MOT...LOC 0735Z 270DEG 30KT 3320 9715

$$


CAVANAUGH

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 Jun 21, 12:48 AM CDT, 1 hour 37 minutes earlier.

Area forecast discussion, Jun 21, 12:48 AM CDT, 1 hour 37 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
1248 AM CDT TUE JUN 21 2011

.UPDATE...
PER NEW DEVELOPMENT OUT NEAR ABILENE WHERE DYESS AFB HAD A WIND
GUST AROUND 58 KTS AND COLLABORATION WITH THE STORMS PREDICTION
CENTER...WE HAVE ADDED SOME COUNTIES SOUTH OF I-20 AND WEST OF
I-35E OR COUNTIES ALONG AND NORTHWEST OF A GOLDTHWAITE...WHITNEY...
ENNIS LINE. SOME UNCERTAINTY WHERE THE CAP ALOFT WILL HOLD BUT
WITH POTENTIAL OF SEVERE WEATHER THROUGH DAYBREAK PER THE NAM AND
HRRR MODELS THIS FAR SOUTH...WE HAVE RELATIVELY HIGH CONFIDENCE
THAT THE SQUALL LINE WITH DAMAGING WINDS AND SOME MARGINALLY
SEVERE HAIL COULD MAKE IT INTO THESE AREAS.

WE WILL REEVALUATE THE SEVERE WEATHER AND THE WATCH COMING UP WITH
THE 4 AM CDT MORNING FORECAST PACKAGE. OTHERWISE...NO MAJOR
CHANGES.

05/

&&

.AVIATION...
METROPLEX
THUNDERSTORMS WILL CREATE PROBLEMATIC TAFS FOR THE NEXT 24 HOURS.
MODELS INSIST THAT THE FRONT WILL NOT REACH THE METROPLEX...BUT IT
IS ALREADY PAST WICHITA FALLS AND MAY SLIDE FARTHER SOUTH THAN
EXPECTED. NEW STORMS FIRING ON THE FRONT MAY AFFECT THE METROPLEX
LATER TONIGHT AS WELL AND THEY ARE NOT HANDLED WELL BY GUIDANCE.
WILL ADD A SECOND ROUND OF STORMS FOR THE CELLS MOVING SOUTHEAST
OFF THE FRONT. INSTABILITY RETURNS TUESDAY AFTERNOON AND ANOTHER
ROUND OF STORMS MAY OCCUR.

WACO
STRATUS EXPECTED TO RETURN IN THE MORNING.
THUNDERSTORMS MAY AFFECT AIRPORT LATE AFTERNOON/EARLY EVENING.
WILL INCLUDE A VCTS GROUP IN THE AFTERNOON...AND AS TIMING CAN BE
ADJUSTED FUTURE TAFS CAN ADD THE TEMPO GROUP WHEN NEEDED. 84

&&

.PREV UPDATE...
.UPDATE...
QUICK UPDATE FOR WATCH 529...GENERALLY NORTH OF INTERSTATE 20.  84

&&

.PREV DISCUSSION... /ISSUED 331 PM CDT MON JUN 20 2011/
PRESSURE GRADIENT REMAINS QUITE IMPRESSIVE ACROSS THE AREA AS
NORTH TEXAS SITS BETWEEN A FRONTAL SYSTEM EXTENDING FROM THE
PLAINS INTO WEST TEXAS...AND A HIGH PRESSURE RIDGE OVER THE
NORTHEASTERN GULF OF MEXICO. THIS HAS ALLOWED FOR THE STRONG
SOUTH WINDS GUSTING INTO THE 35-40 MPH RANGE. SPEEDS SHOULD
DECREASE SOME AS WE APPROACH SUNSET...THEREFORE BOTH THE WIND
ADVISORY AND THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 8
PM.

ALL EYES WILL THEN BE PEELED AND DIRECTED TOWARDS THE NORTHWEST
WHERE CONVECTION IS EXPECTED TO HAVE DEVELOPED BY LATE AFTERNOON.
THE COMBINATION OF A STRONG UPPER LEVEL TROUGH...THE THE PRESENCE
OF A DRYLINE...AND HOT LATE AFTERNOON TEMPERATURES SHOULD ALLOW
THIS SCENARIO TO UNFOLD SOMETIME IN THE 4 TO 6 PM TIMEFRAME JUST
WEST OF THE CWA. ACTIVITY IS THEN EXPECTED TO SPREAD EAST ACROSS
ROUGHLY THE NORTHERN HALF OF THE FORECAST AREA TONIGHT BEFORE
WEAKENING SOME DURING THE LATE NIGHT AND EARLY MORNING HOURS.
CHANCE FOR SEVERE STORMS WILL BE HIGHEST NORTH OF THE RED RIVER
WHERE BEST DYNAMICS WILL BE IN PLACE...HOWEVER SEVERE WEATHER
PARAMETERS WILL BE SUFFICIENT ENOUGH FOR AT LEAST A FEW SEVERE
STORMS FURTHER S INTO THE NORTHERN COUNTIES. THIS AREA IS INCLUDED
IN SPC DAY ONE AND DAY 2 SLIGHT RISK WITH HAIL AND DAMAGING WINDS
BEING THE MAIN THREAT.

FOCUS SHOULD SHIFT SOUTH AND EAST ALONG WITH INITIAL SHORTWAVE
ENERGY TOMORROW MORNING. COLD FRONT WILL THEN MAKE A PUSH INTO
THE AREA TUESDAY AS SECOND SHORTWAVE PROPAGATES OVER THE REGION
AROUND THE BASE OF MAIN UPPER TROUGH. ADDITIONAL THUNDERSTORMS ARE
EXPECTED TO FORM ALONG THIS BOUNDARY DURING THE TUESDAY AFTERNOON
HOURS OVER NORTHERN AND CENTRAL COUNTIES. THINKING IS THAT BY
WEDNESDAY NIGHT A GOOD PORTION OF NORTH TEXAS WILL GET A GOOD HALF
INCH OF RAIN WITH SOME AREAS GETTING UPWARDS OF AN INCH.

UPPER LEVEL FLOW BECOMES NORTHWESTERLY BY THURSDAY AS UPPER TROF
SHIFTS EAST OVER THE EASTERN U.S. AND HIGH PRESSURE RIDGE BUILDS
OVER THE DESERT SOUTHWEST. MODEL GUIDANCE THEN INDICATING A DECENT
UPPER IMPULSE MOVING SOUTHEAST ACROSS NORTHEAST TEXAS LATE
THURSDAY INTO FRIDAY MORNING. INCLUDED LOW POPS OVER ROUGHLY THE
NORTHEASTERN THIRD OF THE CWA DURING THIS TIME. BEYOND THAT IT
LOOKS LIKE 500 MB RIDGE WILL ONCE AGAIN BECOME THE DOMINANT
FEATURE OVER NORTH TEXAS BRINGING HOT AND DRY WEATHER TO THE
REGION IN THE EXTENDED RANGE.    30

&&

.PRELIMINARY POINT TEMPS/POPS...
DALLAS-FT. WORTH, TX  76  95  76  97  78 /  50  20  20  20  20
WACO, TX              76  96  74  97  76 /  50  30  20  10  10
PARIS, TX             74  93  70  94  72 /  50  20  10  20  20
DENTON, TX            72  95  73  96  75 /  50  10  10  20  20
MCKINNEY, TX          73  95  71  96  73 /  50  10  10  20  20
DALLAS, TX            77  95  77  97  78 /  50  20  20  20  20
TERRELL, TX           75  96  73  97  76 /  50  20  20  20  20
CORSICANA, TX         76  96  75  97  75 /  50  30  20  10  10
TEMPLE, TX            75  96  73  97  74 /  40  30  20  10  10
MINERAL WELLS, TX     71  96  72  98  72 /  50  10  10  10  10

&&

.FWD WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

84/05

Hazardous weather outlook, Jun 21, 1:02 AM CDT, 1 hour 23 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
102 AM CDT TUE JUN 21 2011

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-211200-
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-
102 AM CDT TUE JUN 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS WILL CONTINUE OVERNIGHT ACROSS MUCH OF
NORTH TEXAS. MOST FAVORABLE AREAS FOR THUNDERSTORMS...SOME SEVERE
WITH DAMAGING WINDS...LARGE HAIL...AND FREQUENT LIGHTNING WILL BE
NORTH OF A GOLDTHWAITE...HILLSBORO...CANTON LINE THROUGH SUNRISE
TUESDAY MORNING. LOCALIZED HEAVIER RAINFALL IN EXCESS OF ONE INCH
MAY ALSO RESULT IN STREET FLOODING...AS WELL AS MINOR FLOODING OF
TYPICAL LOW LYING AREAS AND SMALL CREEKS AND TRIBUTARIES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS
TUESDAY AND WEDNESDAY. THE BEST CHANCES WILL OCCUR TUESDAY NIGHT.
A FEW STORMS COULD BE SEVERE LATE TUESDAY AFTERNOON AND TUESDAY
NIGHT.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS LIKELY NORTH OF A GOLDTHWAITE...HILLSBORO...
CANTON LINE THROUGH SUNRISE TUESDAY MORNING.

05/

In the hours before

Local storm report, Jun 21, 2:09 AM CDT, 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
209 AM CDT TUE JUN 21 2011

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

0204 AM     TSTM WND GST     1 N SPRINGTOWN          32.98N  97.68W
06/21/2011  E75 MPH          PARKER             TX   TRAINED SPOTTER

            SUSTAINED FOR SEVERAL MINUTES

Local storm report, Jun 21, 2:19 AM CDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
219 AM CDT TUE JUN 21 2011

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

0218 AM     TSTM WND GST     11 W DENTON             33.22N  97.34W
06/21/2011  E60 MPH          DENTON             TX   AMATEUR RADIO

            ESTIMATED 55 TO 60 MPH 11 MILES WEST OF DENTON ON HWY
            380.

Local storm report, Jun 21, 2:20 AM CDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
220 AM CDT TUE JUN 21 2011

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

0212 AM     TSTM WND GST     RHOME                   33.05N  97.48W
06/21/2011  E61 MPH          WISE               TX   AMATEUR RADIO

            POWER OUT AS WELL

Local storm report, Jun 21, 2:22 AM CDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
222 AM CDT TUE JUN 21 2011

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

0220 AM     HAIL             11 W DENTON             33.22N  97.34W
06/21/2011  E0.88 INCH       DENTON             TX   AMATEUR RADIO

Local storm report, Jun 21, 2:23 AM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
223 AM CDT TUE JUN 21 2011

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

0221 AM     TSTM WND GST     5 SW JUSTIN             33.03N  97.36W
06/21/2011  E60 MPH          DENTON             TX   AMATEUR RADIO

            7 MILES WEST OF HIGHWAY 114/FM156 INTERSECTION

Local storm report, Jun 21, 2:25 AM CDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
225 AM CDT TUE JUN 21 2011

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

0218 AM     TSTM WND DMG     RUNAWAY BAY             33.17N  97.87W
06/21/2011                   WISE               TX   OTHER FEDERAL

            ROOF COLLAPSE AT LODGE CONDOMINIUMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:03 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Young	57 min
Jun 20, 7:15 PM CDT	Severe Thunderstorm Warning	FWD	Jack	45 min
Jun 20, 7:40 PM CDT	Severe Thunderstorm Warning	FWD	Stephens, Young	65 min
Jun 20, 7:42 PM CDT	Severe Thunderstorm Warning	FWD	Montague, Wise	39 min
Jun 20, 7:57 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Wise	63 min
Jun 20, 8:30 PM CDT	Severe Thunderstorm Warning	FWD	Jack	60 min
Jun 20, 8:38 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Stephens, Young	52 min
Jun 20, 8:45 PM CDT	Tornado Warning	FWD	Palo Pinto, Young	30 min
Jun 20, 8:56 PM CDT	Severe Thunderstorm Warning	FWD	Wise	49 min
Jun 20, 9:15 PM CDT	Tornado Warning	FWD	Palo Pinto	30 min
Jun 20, 9:17 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Denton	58 min
Jun 20, 9:28 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Parker, Wise, Young	62 min
Jun 20, 9:43 PM CDT	Severe Thunderstorm Warning	FWD	Denton, Wise	62 min
Jun 20, 10:29 PM CDT	Severe Thunderstorm Warning	FWD	Parker, Wise	61 min
Jun 20, 10:31 PM CDT	Severe Thunderstorm Warning	FWD	Denton	59 min
Jun 20, 11:00 PM CDT	Severe Thunderstorm Warning	FWD	Denton, Tarrant	60 min
Jun 20, 11:13 PM CDT	Special Weather Statement	FWD	Grayson	62 min
Jun 20, 11:20 PM CDT	Special Weather Statement	FWD	Montague	55 min
Jun 20, 11:25 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	44 min
Jun 20, 11:33 PM CDT	Special Weather Statement	FWD	Young	27 min
Jun 20, 11:55 PM CDT	Severe Thunderstorm Warning	FWD	Fannin	35 min
Jun 21, 12:08 AM CDT	Severe Thunderstorm Warning	FWD	Montague	49 min
Jun 21, 12:28 AM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	62 min
Jun 21, 12:35 AM CDT	Special Weather Statement	FWD	Jack	55 min
Jun 21, 12:58 AM CDT	Special Weather Statement	FWD	Wise	62 min
Jun 21, 1:13 AM CDT	Severe Thunderstorm Warning	FWD	Denton, Jack, Wise	62 min
Jun 21, 1:50 AM CDT	Severe Thunderstorm Warning	FWD	Denton, Parker, Tarrant, Wise	55 min
Jun 21, 2:10 AM CDT	Severe Thunderstorm Warning	FWD	Collin, Grayson	50 min
Jun 21, 2:43 AM CDT	Severe Thunderstorm Warning	FWD	Collin, Dallas, Denton	62 min
Jun 21, 2:46 AM CDT	Severe Thunderstorm Warning	FWD	Parker, Tarrant	59 min
Jun 21, 3:02 AM CDT	Severe Thunderstorm Warning	FWD	Dallas	43 min
Jun 21, 3:23 AM CDT	Areal Flood Advisory	FWD	Dallas, Tarrant	3 hr
Jun 21, 3:37 AM CDT	Special Weather Statement	FWD	Fannin, Hunt, Kaufman, Rockwall	23 min
Jun 21, 3:49 AM CDT	Severe Thunderstorm Warning	FWD	Collin, Hunt	38 min
Jun 21, 4:03 AM CDT	Special Weather Statement	FWD	Delta, Hopkins, Lamar	57 min
Jun 21, 4:45 AM CDT	Flash Flood Warning	FWD	Dallas, Tarrant	3 hr
Jun 21, 4:50 AM CDT	Severe Thunderstorm Warning	FWD	Denton, Tarrant	40 min
Jun 21, 5:01 AM CDT	Special Weather Statement	FWD	Dallas	29 min
Jun 21, 5:42 AM CDT	River Flood Warning	FWD	Dallas	106 min
Jun 21, 5:58 AM CDT	Special Weather Statement	FWD	Kaufman	32 min
Jun 21, 6:26 AM CDT	Special Weather Statement	FWD	Kaufman	34 min
Jun 21, 6:59 AM CDT	Special Weather Statement	FWD	Van Zandt	31 min
Jun 21, 7:30 AM CDT	Special Weather Statement	FWD	Kaufman	30 min
Jun 21, 7:31 AM CDT	Special Weather Statement	FWD	Van Zandt	29 min
Jun 21, 8:00 AM CDT	Special Weather Statement	FWD	Van Zandt	30 min
Jun 21, 8:17 AM CDT	Severe Thunderstorm Warning	FWD	Henderson, Van Zandt	58 min
Jun 21, 5:15 PM CDT	Special Weather Statement	FWD	Eastland	30 min
Jun 21, 5:27 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Eastland	63 min
Jun 21, 6:00 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	30 min
Jun 21, 6:30 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	60 min
Jun 21, 6:47 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	58 min
Jun 21, 6:53 PM CDT	Special Weather Statement	FWD	Erath	37 min
Jun 21, 6:58 PM CDT	Severe Thunderstorm Warning	FWD	Erath, Palo Pinto	62 min

Nearby

Severe Thunderstorm Warnings in Texas, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.