Alert archive / Texas / Tornado Warnings in 2016

Tornado Warning 20, NWS Fort Worth, TX

April 26, 2016Grayson County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 26, 2016, 9:58 PM CDT for Grayson County, Texas. It was in force for 32 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
Apr 26, 2016, 9:58 PM CDT (02:58 UTC)
Expired
Apr 26, 2016, 10:30 PM CDT
In force
32 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Grayson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 148 km from the middle of the area, began a volume at 03:02 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
Apr 26, 10:13 PM CDTTSTM WND GST 90Sherman, TXSPOTTER REPORTS WIND GUST OF 90 MPH IN SHERMAN

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
Apr 26, 2:32 PM CDTTornado Watch PDSSPC9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.0 hours before the alert went out and 123 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 00:00Z on 2016-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2622 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 00:00Z on 2016-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.1939587897Sfc1 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
2622 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1224 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
1.5
Supercell composite
11.0

Open this sounding in Storm Lab

The text

As transmitted.

020 
WFUS54 KFWD 270258
TORFWD
TXC181-270330-
/O.NEW.KFWD.TO.W.0020.160427T0258Z-160427T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
958 PM CDT TUE APR 26 2016

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL GRAYSON COUNTY IN NORTH CENTRAL TEXAS...

* UNTIL 1030 PM CDT
    
* AT 958 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER DORCHESTER...OR NEAR SHERMAN...MOVING NORTHEAST AT
  50 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  TOM BEAN AROUND 1005 PM CDT. 
  SHERMAN AND KNOLLWOOD AROUND 1010 PM CDT. 
  DENISON AND BELLS AROUND 1015 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE LUELLA
AND SOUTHMAYD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3384 9662 3382 9658 3382 9652 3378 9651
      3377 9650 3378 9645 3378 9643 3374 9639
      3365 9638 3343 9660 3352 9680 3385 9665
TIME...MOT...LOC 0258Z 216DEG 41KT 3353 9665 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DUNN
2 follow-up statements
004 
WWUS54 KFWD 270305
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1005 PM CDT TUE APR 26 2016

TXC181-270330-
/O.CON.KFWD.TO.W.0020.000000T0000Z-160427T0330Z/
GRAYSON TX-
1005 PM CDT TUE APR 26 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR EASTERN
GRAYSON COUNTY...
    
AT 1004 PM CDT...A CONFIRMED TORNADO WAS LOCATED
BETWEEN SHERMAN AND HOWE...MOVING NORTHEAST AT 55 MPH.

HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADO WILL BE NEAR...
  SOUTHEAST SHERMAN AND LUELLA AT 1010 PM CDT. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! IF YOU ARE
OUTDOORS...IN A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST
SUBSTANTIAL SHELTER NOW!  GET TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF A STURDY BUILDING AND AVOID WINDOWS.

&&

LAT...LON 3384 9662 3382 9658 3382 9652 3378 9651
      3377 9650 3378 9645 3378 9643 3374 9639
      3365 9638 3347 9656 3360 9673
TIME...MOT...LOC 0304Z 231DEG 46KT 3358 9657 

TORNADO...OBSERVED
HAIL...1.00IN

$$

92
828 
WWUS54 KFWD 270322
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1022 PM CDT TUE APR 26 2016

TXC181-270330-
/O.CON.KFWD.TO.W.0020.000000T0000Z-160427T0330Z/
GRAYSON TX-
1022 PM CDT TUE APR 26 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR EAST
CENTRAL GRAYSON COUNTY...
    
AT 1022 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 3 MILES SOUTHWEST OF HENDRIX...OR 9 MILES EAST
OF DENISON...MOVING NORTHEAST AT 50 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHEAST CENTRAL GRAYSON COUNTY AND NORTHWEST BONHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3377 9650 3378 9645 3378 9643 3374 9639
      3365 9638 3359 9646 3371 9650
TIME...MOT...LOC 0322Z 219DEG 43KT 3375 9641 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

92

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 7:00 PM CDTSevere Thunderstorm WarningFWDYoung60 min
Apr 26, 7:11 PM CDTSpecial Weather StatementFWDWise34 min
Apr 26, 7:17 PM CDTSevere Thunderstorm WarningFWDEastland, Stephens58 min
Apr 26, 7:42 PM CDTSevere Thunderstorm WarningFWDJack63 min
Apr 26, 8:00 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens60 min
Apr 26, 8:15 PM CDTSevere Thunderstorm WarningFWDEastland42 min
Apr 26, 8:19 PM CDTSevere Thunderstorm WarningFWDMontague56 min
Apr 26, 8:28 PM CDTSevere Thunderstorm WarningFWDCooke62 min
Apr 26, 8:31 PM CDTSevere Thunderstorm WarningFWDParker, Wise59 min
Apr 26, 8:43 PM CDTSevere Thunderstorm WarningFWDComanche, Erath50 min
Apr 26, 8:46 PM CDTTornado WarningFWDCooke44 min
Apr 26, 9:17 PM CDTSevere Thunderstorm WarningFWDDenton, Tarrant58 min
Apr 26, 9:33 PM CDTSevere Thunderstorm WarningFWDCooke, Grayson57 min
Apr 26, 10:10 PM CDTTornado WarningFWDGrayson18 min
Apr 26, 10:18 PM CDTTornado Warning Tornado observedFWDFannin, Grayson11 min
Apr 26, 10:51 PM CDTSevere Thunderstorm WarningFWDLampasas, Mills54 min
Apr 26, 11:15 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton, Lampasas60 min
Apr 27, 12:03 AM CDTSpecial Weather StatementFWDLampasas27 min
Apr 27, 12:20 AM CDTSpecial Weather StatementFWDVan Zandt55 min
Apr 27, 12:26 AM CDTSevere Thunderstorm WarningFWDBell, Coryell, Lampasas64 min
Apr 27, 12:39 AM CDTSevere Thunderstorm WarningFWDHenderson, Rains, Van Zandt47 min
Apr 27, 1:14 AM CDTSpecial Weather StatementFWDBell76 min
Apr 27, 1:21 AM CDTSpecial Weather StatementFWDAnderson, Leon54 min
Apr 27, 2:19 AM CDTAreal Flood AdvisoryFWDBell3 hr
Apr 27, 2:49 AM CDTRiver Flood WarningFWDCollin24 hr

Nearby

Tornado Warnings in Texas, 2016Every tornado warning in 2016Tornadoes in 2016

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.