Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 79, NWS Fort Worth, TX

May 21, 2011Coryell County, Hamilton County, Lampasas County, Texas

NWS Fort Worth, TX issued this tornado warning at May 21, 2011, 3:52 PM CDT for Coryell County, Hamilton County, Lampasas County, Texas. It was in force for 38 min. 1 report 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
May 21, 2011, 3:52 PM CDT (20:52 UTC)
Expired
May 21, 2011, 4:30 PM CDT
In force
38 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Coryell County, TX, Hamilton County, TX, Lampasas County, TX

The radar

The Ft Hood radar (KGRK), 111 km from the middle of the area, began a volume at 20:55 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

TimeReportWhereRemark
May 21, 4:10 PM CDTTSTM WND DMGEvant, TXDAMAGE TO ROOFS IN EVANT...POSSIBLE TORNADO TIME ESTIMATED

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

The watch it was issued in

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

IssuedProductOfficeLasted
May 21, 1:45 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.9 hours before the alert went out and 172 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 2011-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 87 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2011-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.19395878Sfc1 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
87 J/kg
Mixed-layer CIN
-337 J/kg
Mixed-layer LCL
1835 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

043 
WFUS54 KFWD 212052
TORFWD
TXC099-193-281-212130-
/O.NEW.KFWD.TO.W.0079.110521T2052Z-110521T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
352 PM CDT SAT MAY 21 2011

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN CORYELL COUNTY IN NORTH CENTRAL TEXAS...
  SOUTHERN HAMILTON COUNTY IN NORTH CENTRAL TEXAS...
  NORTH CENTRAL LAMPASAS COUNTY IN NORTH CENTRAL TEXAS...

* UNTIL 430 PM CDT

* AT 352 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A 
  DEVELOPING TORNADO 5 MILES WEST OF EVANT...MOVING EAST AT 15       
  MPH. THIS IS A DANGEROUS STORM!  SEEK SHELTER NOW!

* THE TORNADO WILL BE NEAR...
  EVANT AROUND 405 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO AN INTERIOR BATHROOM...CLOSET...OR HALLWAY ON THE LOWEST
FLOOR OF YOUR BUILDING. COVER YOURSELF WITH BLANKETS...PILLOWS...OR A
MATTRESS FOR PROTECTION.

IN ADDITION TO TORNADOES...LARGE HAIL AND DAMAGING WINDS ARE LIKELY
WITH THIS STORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTH CENTRAL TEXAS.

&&

LAT...LON 3162 9831 3165 9780 3136 9779 3135 9809
      3137 9829 3140 9830 3141 9827 3145 9830
TIME...MOT...LOC 2052Z 265DEG 14KT 3149 9822

$$
3 follow-up statements
464 
WWUS54 KFWD 212100
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
400 PM CDT SAT MAY 21 2011

TXC099-193-281-212130-
/O.CON.KFWD.TO.W.0079.000000T0000Z-110521T2130Z/
HAMILTON TX-LAMPASAS TX-CORYELL TX-
400 PM CDT SAT MAY 21 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR WESTERN
CORYELL...NORTH CENTRAL LAMPASAS AND SOUTHERN HAMILTON COUNTIES...

AT 358 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
DEVELOPING TORNADO.  THIS TORNADO WAS LOCATED 3 MILES WEST OF 
EVANT...MOVING EAST AT 15 MPH. THE DEVELOPING TORNADO WILL LIKELY 
MOVE INTO EVANT WITHIN THE NEXT 5 MINUTES.

THE TORNADO WILL BE NEAR...
  EVANT AROUND 405 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO AN INTERIOR BATHROOM...CLOSET...OR HALLWAY ON THE LOWEST
FLOOR OF YOUR BUILDING. COVER YOURSELF WITH BLANKETS...PILLOWS...OR A
MATTRESS FOR PROTECTION.

&&

LAT...LON 3162 9831 3165 9780 3136 9779 3135 9809
      3137 9829 3140 9830 3141 9827 3145 9830
TIME...MOT...LOC 2058Z 265DEG 14KT 3149 9819

$$
42/MM
639 
WWUS54 KFWD 212109
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
409 PM CDT SAT MAY 21 2011

TXC099-193-281-212130-
/O.CON.KFWD.TO.W.0079.000000T0000Z-110521T2130Z/
HAMILTON TX-LAMPASAS TX-CORYELL TX-
409 PM CDT SAT MAY 21 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR WESTERN
CORYELL...NORTH CENTRAL LAMPASAS AND SOUTHERN HAMILTON COUNTIES...

AT 408 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A 
DEVELOPING TORNADO. THIS TORNADO WAS LOCATED NEAR EVANT...MOVING 
EAST AT 15 MPH. EVANT IS IN THE DIRECT PATH OF THIS POTENTIAL 
TORNADO. IF YOU ARE LOCATED NEAR EVANT TAKE COVER IMMEDIATELY!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO AN INTERIOR BATHROOM...CLOSET...OR HALLWAY ON THE LOWEST
FLOOR OF YOUR BUILDING. COVER YOURSELF WITH BLANKETS...PILLOWS...OR A
MATTRESS FOR PROTECTION.

&&

LAT...LON 3162 9831 3165 9780 3136 9779 3135 9809
      3137 9829 3140 9830 3141 9827 3145 9830
TIME...MOT...LOC 2108Z 265DEG 14KT 3149 9814

$$
42/MM
598 
WWUS54 KFWD 212123
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
423 PM CDT SAT MAY 21 2011

TXC099-193-281-212130-
/O.CON.KFWD.TO.W.0079.000000T0000Z-110521T2130Z/
HAMILTON TX-LAMPASAS TX-CORYELL TX-
423 PM CDT SAT MAY 21 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR WESTERN
CORYELL...NORTH CENTRAL LAMPASAS AND SOUTHERN HAMILTON COUNTIES...

AT 421 PM CDT...STORM SPOTTERS AND DOPPLER RADAR OBSERVED A TORNADO. 
THIS TORNADO WAS LOCATED 3 MILES EAST OF EVANT...MOVING EAST AT 15 
MPH. THIS STORM PRODUCED DAMAGE IN THE CITY OF EVANT AND CONTINUES 
TO STRENGTHEN. IF YOU ARE LOCATED EAST OF EVANT OR NEAR THE CITY OF 
IRELAND...YOU ARE IN THE PATH OF THIS STORM. TAKE COVER IMMEDIATELY!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO AN INTERIOR BATHROOM...CLOSET...OR HALLWAY ON THE LOWEST
FLOOR OF YOUR BUILDING. COVER YOURSELF WITH BLANKETS...PILLOWS...OR A
MATTRESS FOR PROTECTION.

&&

LAT...LON 3162 9831 3165 9780 3136 9779 3135 9809
      3137 9829 3140 9830 3141 9827 3145 9830
TIME...MOT...LOC 2121Z 265DEG 14KT 3149 9808

$$
42/MM

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 7:02 PM CDTAreal Flood AdvisoryFWDKaufman, Van Zandt3 hr
May 20, 7:03 PM CDTSevere Thunderstorm WarningFWDVan Zandt57 min
May 20, 7:11 PM CDTSevere Thunderstorm WarningFWDLimestone49 min
May 20, 7:13 PM CDTFlash Flood WarningFWDAnderson, Freestone, Limestone, Robertson3 hr
May 20, 7:23 PM CDTSpecial Weather StatementFWDMilam, Robertson22 min
May 20, 7:36 PM CDTSevere Thunderstorm WarningFWDMilam, Robertson54 min
May 20, 7:37 PM CDTRiver Flood WarningFWDDallas4 hr
May 20, 7:58 PM CDTSevere Thunderstorm WarningFWDLimestone62 min
May 20, 8:12 PM CDTSevere Thunderstorm WarningFWDLeon63 min
May 20, 8:26 PM CDTSevere Thunderstorm WarningFWDMilam, Robertson64 min
May 20, 9:21 PM CDTFlash Flood WarningFWDMilam, Robertson3 hr
May 20, 9:26 PM CDTSevere Thunderstorm WarningFWDMilam, Robertson64 min
May 20, 9:33 PM CDTRiver Flood WarningFWDHunt11 hr
May 20, 9:33 PM CDTRiver Flood WarningFWDHunt, Rockwall11 hr
May 20, 9:42 PM CDTSevere Thunderstorm WarningFWDAnderson, Leon63 min
May 20, 11:47 PM CDTAreal Flood WarningFWDAnderson, Leon3 hr
May 21, 12:13 AM CDTAreal Flood WarningFWDMilam, Robertson3 hr
May 21, 4:20 AM CDTDense Fog AdvisoryFWDBell, Bosque, Collin, Cooke, Coryell, Dallas and 17 more5 hr
May 21, 1:54 PM CDTSpecial Weather StatementFWDMills36 min
May 21, 2:41 PM CDTSpecial Weather StatementFWDHamilton34 min
May 21, 2:51 PM CDTSevere Thunderstorm WarningFWDHamilton54 min
May 21, 3:13 PM CDTSevere Thunderstorm WarningFWDErath47 min
May 21, 3:37 PM CDTSevere Thunderstorm WarningFWDMills38 min
May 21, 3:39 PM CDTSevere Thunderstorm WarningFWDHood, Somervell66 min
May 21, 3:41 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton64 min
May 21, 4:08 PM CDTSevere Thunderstorm WarningFWDLampasas67 min
May 21, 4:12 PM CDTSevere Thunderstorm WarningFWDMills21 min
May 21, 4:27 PM CDTTornado WarningFWDCoryell, Hamilton63 min
May 21, 4:44 PM CDTSevere Thunderstorm WarningFWDCoryell61 min
May 21, 5:10 PM CDTSevere Thunderstorm WarningFWDLampasas65 min
May 21, 5:34 PM CDTSevere Thunderstorm WarningFWDHamilton56 min
May 21, 5:37 PM CDTSevere Thunderstorm WarningFWDCoryell53 min
May 21, 6:26 PM CDTSevere Thunderstorm WarningFWDCoryell64 min
May 21, 6:59 PM CDTSevere Thunderstorm WarningFWDLampasas47 min

Nearby

Tornado Warnings in Texas, 2011Every tornado warning in 2011Tornadoes 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.