Alert archive / Texas / Tornado Warnings in 2009

Tornado Warning 21, NWS Fort Worth, TX

April 27, 2009Kaufman County, Van Zandt County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 27, 2009, 9:10 AM CDT for Kaufman County, Van Zandt County, Texas. It was in force for 50 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
Apr 27, 2009, 9:10 AM CDT (14:10 UTC)
Expired
Apr 27, 2009, 10:00 AM CDT
In force
50 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Kaufman County, TX, Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 121 km from the middle of the area, began a volume at 14:11 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
Apr 27, 6:08 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 2.2 hours before the alert went out and 122 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 2009-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2160 joules per kilogram.LCLEL10008507005003002001001 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 2009-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
2160 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
513 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KFWD 271410
TORFWD
TXC257-467-271500-
/O.NEW.KFWD.TO.W.0021.090427T1410Z-090427T1500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
910 AM CDT MON APR 27 2009

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN KAUFMAN COUNTY IN NORTH CENTRAL TEXAS...
  WESTERN VAN ZANDT COUNTY IN NORTHEAST TEXAS...

* UNTIL 1000 AM CDT

* AT 909 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  DEVELOPING TORNADO 5 MILES NORTHEAST OF KEMP...MOVING NORTHEAST 
  AT 45 MPH. ANOTHER AREA OF ROTATION NORTH OF GUN BARREL CITY MAY 
  ALSO POSE A TORNADO THREAT.

* THE TORNADO WILL BE NEAR...
  WILLS POINT BY 935 AM CDT...
  EDGEWOOD BY 940 AM CDT...
  LAKE TAWAKONI STATE PARK BY 945 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER IN A BASEMENT...OR ON THE LOWEST FLOOR OF YOUR HOME IN AN
INTERIOR CLOSET OR BATHROOM. USE BLANKETS OR PILLOWS FOR COVER.

EVACUATE MOBILE HOMES FOR A STORM SHELTER OR PERMANENT BUILDING. IF
NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH AND COVER
YOUR HEAD.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CDT MONDAY AFTERNOON
FOR EASTERN TEXAS.

&&

LAT...LON 3236 9597 3237 9620 3251 9628 3285 9615
      3284 9595 3283 9592 3278 9586 3277 9579
TIME...MOT...LOC 1409Z 216DEG 37KT 3251 9618

$$
3 follow-up statements
000 
WWUS54 KFWD 271425
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
925 AM CDT MON APR 27 2009

TXC257-467-271500-
/O.CON.KFWD.TO.W.0021.000000T0000Z-090427T1500Z/
VAN ZANDT TX-KAUFMAN TX-
925 AM CDT MON APR 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR EASTERN
KAUFMAN AND WESTERN VAN ZANDT COUNTIES...

AT 925 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED 7 MILES SOUTHWEST OF 
WILLS POINT...MOVING NORTHEAST AT 45 MPH. TREES WERE REPORTED DOWNED 
IN KEMP EARLIER WITH THIS STORM.

THE TORNADO WILL BE NEAR...
  WILLS POINT BY 935 AM CDT...
  EDGEWOOD BY 940 AM CDT...
  LAKE TAWAKONI STATE PARK BY 945 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER IN A BASEMENT...OR ON THE LOWEST FLOOR OF YOUR HOME IN AN
INTERIOR CLOSET OR BATHROOM. USE BLANKETS OR PILLOWS FOR COVER.

&&

LAT...LON 3236 9597 3237 9612 3256 9615 3285 9615
      3284 9595 3278 9586 3277 9579
TIME...MOT...LOC 1425Z 216DEG 37KT 3264 9606

$$
000 
WWUS54 KFWD 271440
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
940 AM CDT MON APR 27 2009

TXC257-271450-
/O.CAN.KFWD.TO.W.0021.000000T0000Z-090427T1500Z/
KAUFMAN TX-
940 AM CDT MON APR 27 2009

...THE TORNADO WARNING FOR EASTERN KAUFMAN COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CDT MONDAY AFTERNOON
FOR EASTERN TEXAS.

LAT...LON 3254 9589 3251 9591 3251 9599 3275 9600
      3285 9607 3284 9595 3278 9586 3277 9579
TIME...MOT...LOC 1440Z 216DEG 37KT 3277 9595

$$

TXC467-271500-
/O.CON.KFWD.TO.W.0021.000000T0000Z-090427T1500Z/
VAN ZANDT TX-
940 AM CDT MON APR 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
NORTHWESTERN VAN ZANDT COUNTY...

AT 940 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A 
THUNDERSTORM WITH ROTATION LOCATED 5 MILES SOUTH OF LAKE TAWAKONI 
STATE PARK...MOVING NORTHEAST AT 45 MPH. ALTHOUGH THE ROTATION AS 
WEAKENED SINCE 920 AM THERE IS STILL THE POTENTIAL FOR 
REINTENSIFICATION.

THE TORNADO WILL BE NEAR...
  LAKE TAWAKONI STATE PARK BY 945 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER IN A BASEMENT...OR ON THE LOWEST FLOOR OF YOUR HOME IN AN
INTERIOR CLOSET OR BATHROOM. USE BLANKETS OR PILLOWS FOR COVER.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CDT MONDAY AFTERNOON
FOR EASTERN TEXAS.

&&

LAT...LON 3254 9589 3251 9591 3251 9599 3275 9600
      3285 9607 3284 9595 3278 9586 3277 9579
TIME...MOT...LOC 1440Z 216DEG 37KT 3277 9595

$$
000 
WWUS54 KFWD 271457
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
957 AM CDT MON APR 27 2009

TXC467-271506-
/O.EXP.KFWD.TO.W.0021.000000T0000Z-090427T1500Z/
VAN ZANDT TX-
957 AM CDT MON APR 27 2009

...THE TORNADO WARNING FOR NORTHWESTERN VAN ZANDT COUNTY EXPIRES AT
1000 AM CDT...

AT 956 AM CDT THE SEVERE THUNDERSTORM THAT PROMPTED THE TORNADO
WARNING WEAKENED AND WAS NO LONGER CAPABLE OF PRODUCING A TORNADO. 
THE TORNADO WARNING WILL EXPIRE ON SCHEDULE.

RADAR INDICATED THAT HEAVY RAIN AND GUSTY WINDS WERE STILL POSSIBLE 
FROM THUNDERSTORMS OVER NORTHWEST VAN ZANDT COUNTY THROUGH 11 AM.

LAT...LON 3254 9589 3251 9591 3251 9599 3275 9600
      3285 9607 3284 9595 3278 9586 3277 9579
TIME...MOT...LOC 1456Z 216DEG 37KT 3290 9583

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 4:09 AM CDTSpecial Weather StatementFWDBell36 min
Apr 27, 4:33 AM CDTSpecial Weather StatementFWDComanche, Erath27 min
Apr 27, 4:40 AM CDTTornado WarningFWDBell, Milam50 min
Apr 27, 4:46 AM CDTSpecial Weather StatementFWDMills29 min
Apr 27, 5:16 AM CDTSevere Thunderstorm WarningFWDBosque, Erath, Hood, Somervell59 min
Apr 27, 5:26 AM CDTSpecial Weather StatementFWDHamilton34 min
Apr 27, 5:50 AM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton, Lampasas55 min
Apr 27, 5:56 AM CDTSevere Thunderstorm WarningFWDHill, Johnson64 min
Apr 27, 6:11 AM CDTSpecial Weather StatementFWDDallas34 min
Apr 27, 6:21 AM CDTSevere Thunderstorm WarningFWDBosque54 min
Apr 27, 6:30 AM CDTSevere Thunderstorm WarningFWDEllis60 min
Apr 27, 6:35 AM CDTAreal Flood AdvisoryFWDBosque, Hamilton3 hr
Apr 27, 6:45 AM CDTSevere Thunderstorm WarningFWDCoryell, Lampasas75 min
Apr 27, 6:58 AM CDTSevere Thunderstorm WarningFWDBosque, Hill62 min
Apr 27, 6:59 AM CDTTornado WarningFWDLampasas46 min
Apr 27, 7:01 AM CDTAreal Flood AdvisoryFWDLampasas, Mills3 hr
Apr 27, 7:02 AM CDTAreal Flood AdvisoryFWDLampasas, Mills3 hr
Apr 27, 7:06 AM CDTFlash Flood WarningFWDDallas114 min
Apr 27, 7:21 AM CDTFlash Flood WarningFWDCoryell, Hamilton, Lampasas, Mills114 min
Apr 27, 7:43 AM CDTSpecial Weather StatementFWDHunt32 min
Apr 27, 7:43 AM CDTSevere Thunderstorm WarningFWDMcLennan62 min
Apr 27, 7:49 AM CDTSpecial Weather StatementFWDKaufman, Rockwall26 min
Apr 27, 7:57 AM CDTSevere Thunderstorm WarningFWDLimestone, Navarro78 min
Apr 27, 7:59 AM CDTSevere Thunderstorm WarningFWDHill33 min
Apr 27, 8:09 AM CDTSpecial Weather StatementFWDDelta, Lamar36 min
Apr 27, 8:21 AM CDTAreal Flood AdvisoryFWDCoryell, McLennan3 hr
Apr 27, 8:38 AM CDTTornado WarningFWDHenderson, Navarro52 min
Apr 27, 8:50 AM CDTSevere Thunderstorm WarningFWDKaufman, Van Zandt55 min
Apr 27, 9:09 AM CDTSpecial Weather StatementFWDMcLennan36 min
Apr 27, 9:15 AM CDTAreal Flood AdvisoryFWDNavarro3 hr
Apr 27, 9:30 AM CDTSevere Thunderstorm WarningFWDDelta, Hopkins, Hunt, Rains60 min
Apr 27, 9:42 AM CDTFlash Flood WarningFWDBosque, Coryell, Hamilton, Lampasas, Mills108 min
Apr 27, 9:47 AM CDTSevere Thunderstorm WarningFWDVan Zandt39 min
Apr 27, 10:07 AM CDTAreal Flood AdvisoryFWDBosque, Hill, Limestone3 hr
Apr 27, 11:32 AM CDTFlash Flood WarningFWDBosque, Coryell, Hamilton, Lampasas, McLennan, Mills3 hr
Apr 27, 1:48 PM CDTRiver Flood WarningFWDCoryell7 hr
Apr 27, 2:35 PM CDTAreal Flood WarningFWDLampasas90 min
Apr 27, 3:11 PM CDTRiver Flood WarningFWDLampasas17 hr
Apr 27, 6:45 PM CDTRiver Flood WarningFWDHunt, Rockwall14 hr

Nearby

Tornado Warnings in Texas, 2009Every tornado warning in 2009Tornadoes 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.