Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 310, NWS Fort Worth, TX

June 11, 2009Kaufman County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 11, 2009, 9:43 AM CDT for Kaufman 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 outline as issued.

The facts

Issued
Jun 11, 2009, 9:43 AM CDT (14:43 UTC)
Expired
Jun 11, 2009, 10:45 AM CDT
In force
62 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Kaufman County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 90 km from the middle of the area, began a volume at 14:44 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.

IssuedProductOfficeLasted
Jun 11, 3:11 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 2.7 hours before the alert went out and 93 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-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 2009-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1544 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2009-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 544 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1544 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
544 m²/s²
0-3 km storm-relative helicity
715 m²/s²
Significant tornado parameter
3.1
Supercell composite
55.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KFWD 111443
SVRFWD
TXC257-111545-
/O.NEW.KFWD.SV.W.0310.090611T1443Z-090611T1545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
943 AM CDT THU JUN 11 2009

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

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

* UNTIL 1045 AM CDT

* AT 943 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 65 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM TERRELL TO 16 MILES WEST OF
  CRANDALL...AND MOVING EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CRANDALL BY 1000 AM
  KAUFMAN AND COTTONWOOD BY 1020 AM
  GRAYS PRAIRIE BY 1025 AM

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AND
STAY INSIDE...AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS STREETS...DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT.

&&

LAT...LON 3243 9607 3244 9647 3245 9648 3255 9651
      3274 9652 3282 9652 3282 9609
TIME...MOT...LOC 1443Z 285DEG 32KT 3272 9631 3265 9672

$$
3 follow-up statements
000 
WWUS54 KFWD 111458
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
958 AM CDT THU JUN 11 2009

TXC257-111545-
/O.CON.KFWD.SV.W.0310.000000T0000Z-090611T1545Z/
KAUFMAN TX-
958 AM CDT THU JUN 11 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT
FOR KAUFMAN COUNTY...

AT 958 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND 
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 3 MILES 
NORTHWEST OF CRANDALL...MOVING SOUTHEAST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  CRANDALL BY 1005 AM CDT...
  LAWRENCE BY 1010 AM CDT...
  TERRELL AND ROSSER BY 1020 AM CDT...
  POST OAK BEND CITY AND COTTONWOOD BY 1025 AM CDT...
  KAUFMAN AND OAK RIDGE BY 1030 AM CDT...
  OAK GROVE AND GRAYS PRAIRIE BY 1035 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT
THURSDAY MORNING FOR NORTHEASTERN TEXAS.

&&

LAT...LON 3243 9607 3244 9647 3245 9648 3255 9651
      3274 9652 3282 9652 3282 9609
TIME...MOT...LOC 1458Z 294DEG 19KT 3267 9648

$$
000 
WWUS54 KFWD 111516
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1016 AM CDT THU JUN 11 2009

TXC257-111545-
/O.CON.KFWD.SV.W.0310.000000T0000Z-090611T1545Z/
KAUFMAN TX-
1016 AM CDT THU JUN 11 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT
FOR KAUFMAN COUNTY...

AT 1016 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 65 MPH.  THIS STORM WAS LOCATED 3 MILES
WEST OF POST OAK BEND CITY...MOVING SOUTHEAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  KAUFMAN...OAK RIDGE AND COTTONWOOD BY 1025 AM CDT...
  OAK GROVE AND GRAYS PRAIRIE BY 1030 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
THURSDAY EVENING FOR EASTERN TEXAS.

&&

LAT...LON 3243 9607 3244 9647 3245 9648 3255 9651
      3274 9652 3282 9652 3282 9609
TIME...MOT...LOC 1516Z 299DEG 20KT 3262 9637

$$
000 
WWUS54 KFWD 111549
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1049 AM CDT THU JUN 11 2009

TXC257-111558-
/O.EXP.KFWD.SV.W.0310.000000T0000Z-090611T1545Z/
KAUFMAN TX-
1049 AM CDT THU JUN 11 2009

...THE SEVERE THUNDERSTORM WARNING FOR KAUFMAN COUNTY EXPIRED AT 1045
AM CDT...

AT 1048 AM CDT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING 
WEAKENED AND WAS NO LONGER SEVERE. HOWEVER...A STRONG THUNDERSTORM 
WITH WIND GUSTS TO 50 MPH WAS LOCATED 7 MILES NORTH OF KEMP... 
MOVING SOUTHEAST AT 30 MPH.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
THURSDAY EVENING FOR EASTERN TEXAS.

LAT...LON 3243 9607 3244 9647 3245 9648 3255 9651
      3274 9652 3282 9652 3282 9609
TIME...MOT...LOC 1516Z 299DEG 20KT 3262 9637

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:05 PM CDTSevere Thunderstorm WarningFWDErath, Hamilton55 min
Jun 10, 7:07 PM CDTSevere Thunderstorm WarningFWDEllis, Johnson53 min
Jun 10, 7:24 PM CDTSevere Thunderstorm WarningFWDGrayson55 min
Jun 10, 7:31 PM CDTSevere Thunderstorm WarningFWDComanche59 min
Jun 10, 7:33 PM CDTAreal Flood AdvisoryFWDCollin, Dallas3 hr
Jun 10, 7:36 PM CDTSevere Thunderstorm WarningFWDKaufman, Rockwall39 min
Jun 10, 7:44 PM CDTSevere Thunderstorm WarningFWDFannin, Hunt61 min
Jun 10, 7:55 PM CDTSevere Thunderstorm WarningFWDComanche, Hamilton, Mills65 min
Jun 10, 7:56 PM CDTAreal Flood AdvisoryFWDComanche, Erath, Hamilton3 hr
Jun 10, 7:58 PM CDTSevere Thunderstorm WarningFWDCollin, Rockwall17 min
Jun 10, 8:00 PM CDTSevere Thunderstorm WarningFWDEllis, Henderson, Kaufman, Navarro, Van Zandt60 min
Jun 10, 8:03 PM CDTAreal Flood AdvisoryFWDCollin, Kaufman, Rockwall3 hr
Jun 10, 8:05 PM CDTAreal Flood AdvisoryFWDEllis3 hr
Jun 10, 8:06 PM CDTSevere Thunderstorm WarningFWDDelta, Fannin, Hopkins, Lamar, Rains, Van Zandt84 min
Jun 10, 8:33 PM CDTSevere Thunderstorm WarningFWDNavarro57 min
Jun 10, 8:49 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton, Lampasas, Mills56 min
Jun 10, 8:57 PM CDTSevere Thunderstorm WarningFWDAnderson, Henderson, Van Zandt48 min
Jun 10, 9:03 PM CDTSpecial Weather StatementFWDParker27 min
Jun 10, 9:28 PM CDTSevere Thunderstorm WarningFWDLamar17 min
Jun 10, 9:43 PM CDTSevere Thunderstorm WarningFWDBell, Coryell62 min
Jun 10, 9:50 PM CDTSpecial Weather StatementFWDPalo Pinto25 min
Jun 10, 9:57 PM CDTSpecial Weather StatementFWDFreestone33 min
Jun 10, 10:02 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Parker58 min
Jun 10, 10:39 PM CDTSevere Thunderstorm WarningFWDTarrant66 min
Jun 10, 10:42 PM CDTAreal Flood AdvisoryFWDBell2 hr
Jun 10, 10:45 PM CDTSevere Thunderstorm WarningFWDBell, Falls, Milam30 min
Jun 10, 10:47 PM CDTAreal Flood AdvisoryFWDTarrant118 min
Jun 10, 11:28 PM CDTSevere Thunderstorm WarningFWDDallas, Tarrant62 min
Jun 10, 11:30 PM CDTAreal Flood AdvisoryFWDDallas3 hr
Jun 11, 12:48 AM CDTSpecial Weather StatementFWDKaufman27 min
Jun 11, 2:04 AM CDTSpecial Weather StatementFWDHenderson26 min
Jun 11, 2:14 AM CDTSevere Thunderstorm WarningFWDHenderson23 min
Jun 11, 2:21 AM CDTSevere Thunderstorm WarningFWDDallas, Ellis39 min
Jun 11, 2:32 AM CDTFlash Flood WarningFWDParker, Tarrant118 min
Jun 11, 2:39 AM CDTSevere Thunderstorm WarningFWDParker, Tarrant66 min
Jun 11, 2:49 AM CDTFlash Flood WarningFWDDallas6 hr
Jun 11, 2:57 AM CDTSevere Thunderstorm WarningFWDDallas63 min
Jun 11, 3:02 AM CDTSevere Thunderstorm WarningFWDEllis, Kaufman58 min
Jun 11, 3:16 AM CDTFlash Flood WarningFWDKaufman119 min
Jun 11, 3:41 AM CDTSevere Thunderstorm WarningFWDEllis, Johnson, Tarrant64 min
Jun 11, 3:54 AM CDTSpecial Weather StatementFWDHenderson66 min
Jun 11, 3:59 AM CDTSevere Thunderstorm WarningFWDKaufman46 min
Jun 11, 4:32 AM CDTSpecial Weather StatementFWDDenton58 min
Jun 11, 4:39 AM CDTSevere Thunderstorm WarningFWDNavarro66 min
Jun 11, 4:44 AM CDTSevere Thunderstorm WarningFWDEllis31 min
Jun 11, 4:53 AM CDTSpecial Weather StatementFWDHenderson37 min
Jun 11, 4:55 AM CDTAreal Flood AdvisoryFWDEllis3 hr
Jun 11, 5:00 AM CDTSpecial Weather StatementFWDDallas30 min
Jun 11, 5:06 AM CDTSevere Thunderstorm WarningFWDAnderson, Henderson54 min
Jun 11, 5:37 AM CDTSevere Thunderstorm WarningFWDFreestone, Limestone, Navarro53 min
Jun 11, 5:46 AM CDTAreal Flood AdvisoryFWDDenton, Tarrant, Wise3 hr
Jun 11, 5:52 AM CDTSevere Thunderstorm WarningFWDAnderson53 min
Jun 11, 6:28 AM CDTSevere Thunderstorm WarningFWDDenton32 min
Jun 11, 6:52 AM CDTSevere Thunderstorm WarningFWDCollin, Dallas, Denton53 min
Jun 11, 7:01 AM CDTRiver Flood WarningFWDDallas7 hr
Jun 11, 7:22 AM CDTAreal Flood AdvisoryFWDCollin113 min
Jun 11, 7:22 AM CDTSpecial Weather StatementFWDKaufman23 min
Jun 11, 7:43 AM CDTSpecial Weather StatementFWDYoung32 min
Jun 11, 7:46 AM CDTSpecial Weather StatementFWDDallas29 min
Jun 11, 7:53 AM CDTFlash Flood WarningFWDKaufman3 hr
Jun 11, 8:04 AM CDTRiver Flood WarningFWDDallas53 hr
Jun 11, 8:09 AM CDTSpecial Weather StatementFWDJack36 min
Jun 11, 8:23 AM CDTAreal Flood AdvisoryFWDTarrant112 min
Jun 11, 8:30 AM CDTFlash Flood WarningFWDDallas3 hr
Jun 11, 8:31 AM CDTSpecial Weather StatementFWDHenderson29 min
Jun 11, 8:56 AM CDTSpecial Weather StatementFWDDallas34 min
Jun 11, 9:04 AM CDTSpecial Weather StatementFWDParker26 min
Jun 11, 9:11 AM CDTRiver Flood WarningFWDDenton3 hr
Jun 11, 9:24 AM CDTSevere Thunderstorm WarningFWDDallas51 min
Jun 11, 9:30 AM CDTSpecial Weather StatementFWDParker30 min
Jun 11, 9:37 AM CDTSpecial Weather StatementFWDAnderson23 min
Jun 11, 10:04 AM CDTFlash Flood WarningFWDParker, Tarrant3 hr
Jun 11, 10:26 AM CDTSevere Thunderstorm WarningFWDDallas, Tarrant64 min
Jun 11, 10:41 AM CDTFlash Flood WarningFWDKaufman3 hr
Jun 11, 10:52 AM CDTRiver Flood WarningFWDDallas6 hr
Jun 11, 10:58 AM CDTSpecial Weather StatementFWDAnderson32 min
Jun 11, 11:04 AM CDTSevere Thunderstorm WarningFWDAnderson41 min
Jun 11, 11:08 AM CDTSpecial Weather StatementFWDVan Zandt37 min
Jun 11, 11:13 AM CDTFlash Flood WarningFWDDallas, Rockwall4 hr
Jun 11, 11:14 AM CDTRiver Flood WarningFWDEllis, Kaufman70 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2009Every severe thunderstorm warning in 2009

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.