Alert archive / Texas / Tornado Warnings in 2020

Tornado Warning 21, NWS Fort Worth, TX

April 12, 2020Hill County, Limestone County, McLennan County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 12, 2020, 4:51 AM CDT for Hill County, Limestone County, McLennan County, Texas. It was in force for 39 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 12, 2020, 4:51 AM CDT (09:51 UTC)
Expired: Apr 12, 2020, 5:30 AM CDT
In force: 39 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Hill County, TX, Limestone County, TX, McLennan County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 100 km from the middle of the area, began a volume at 09:53 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.

Issued	Product	Office	Lasted
Apr 12, 1:59 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 9.9 hours before the alert went out and 128 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: 509 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 678 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 323 m²/s²
0-3 km storm-relative helicity: 406 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 10.7

Open this sounding in Storm Lab

The text

As transmitted.

857 
WFUS54 KFWD 120951
TORFWD
TXC217-293-309-121030-
/O.NEW.KFWD.TO.W.0021.200412T0951Z-200412T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Fort Worth TX
451 AM CDT Sun Apr 12 2020

The National Weather Service in Fort Worth has issued a

* Tornado Warning for...
  Northeastern McLennan County in central Texas...
  Southeastern Hill County in central Texas...
  Northwestern Limestone County in central Texas...

* Until 530 AM CDT.
    
* At 450 AM CDT, a severe thunderstorm capable of producing a tornado
  was located north of Waco, moving northeast at 35 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...
  Bellmead, Lacy-Lakeview and Northcrest around 500 AM CDT.

Other locations impacted by this tornadic thunderstorm include Mount
Calm, Ross, Leroy, Gholson, Penelope and Malone.

This includes Interstate 35 between mile markers 337 and 354.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to 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.

Torrential rainfall is occurring with this storm, and may lead to
flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3155 9723 3171 9733 3194 9691 3170 9676
TIME...MOT...LOC 0950Z 242DEG 31KT 3163 9721 

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

$$

Bain

3 follow-up statements

996 
WWUS54 KFWD 121004
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
504 AM CDT Sun Apr 12 2020

TXC217-293-309-121030-
/O.CON.KFWD.TO.W.0021.000000T0000Z-200412T1030Z/
McLennan TX-Hill TX-Limestone TX-
504 AM CDT Sun Apr 12 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR
NORTHEASTERN MCLENNAN...SOUTHEASTERN HILL AND NORTHWESTERN LIMESTONE
COUNTIES...
    
At 503 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Northcrest, or near Lacy-Lakeview, moving northeast
at 35 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 storm may impact areas near....Elm Mott, Leroy, Mount 
Calm, Ross, Leroy, Gholson, Penelope and Malone.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3155 9723 3171 9733 3194 9691 3170 9676
TIME...MOT...LOC 1003Z 241DEG 31KT 3167 9709 

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

$$

Bain

285 
WWUS54 KFWD 121016
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
516 AM CDT Sun Apr 12 2020

TXC217-293-309-121030-
/O.CON.KFWD.TO.W.0021.000000T0000Z-200412T1030Z/
McLennan TX-Hill TX-Limestone TX-
516 AM CDT Sun Apr 12 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR
NORTHEASTERN MCLENNAN...SOUTHEASTERN HILL AND NORTHWESTERN LIMESTONE
COUNTIES...
    
At 515 AM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southeast of West, or 10 miles northeast of
Lacy-Lakeview, moving northeast at 35 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.

Locations impacted include...
West, Leroy, Mount Calm, Malone and Penelope. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3163 9701 3181 9715 3194 9691 3170 9676
TIME...MOT...LOC 1015Z 242DEG 31KT 3172 9698 

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

$$

Bain

611 
WWUS54 KFWD 121025
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
525 AM CDT Sun Apr 12 2020

TXC217-293-309-121035-
/O.EXP.KFWD.TO.W.0021.000000T0000Z-200412T1030Z/
McLennan TX-Hill TX-Limestone TX-
525 AM CDT Sun Apr 12 2020

...THE TORNADO WARNING FOR NORTHEASTERN MCLENNAN...SOUTHEASTERN HILL
AND NORTHWESTERN LIMESTONE COUNTIES WILL EXPIRE AT 530 AM CDT...
                
The rotation associated with the storm that prompted the Tornado
Warning has weakened, and no longer appears capable of producing a
tornado. Therefore the Tornado Warning will be allowed to expire
at 530 AM.

A Tornado Watch remains in effect until 800 AM CDT for central Texas.

LAT...LON 3163 9701 3181 9715 3194 9691 3170 9676
TIME...MOT...LOC 1025Z 242DEG 31KT 3175 9691 

$$

Bain

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 7:25 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	65 min
Apr 12, 1:55 AM CDT	Wind Advisory	FWD	Bell, Bosque, Collin, Comanche, Cooke, Coryell and 32 more	23 hr
Apr 12, 3:20 AM CDT	Special Weather Statement	FWD	Lampasas	40 min
Apr 12, 3:36 AM CDT	Severe Thunderstorm Warning	FWD	Lampasas	42 min
Apr 12, 3:41 AM CDT	Special Weather Statement	FWD	Coryell	34 min
Apr 12, 4:26 AM CDT	Special Weather Statement	FWD	McLennan	34 min
Apr 12, 4:30 AM CDT	Special Weather Statement	FWD	Coryell	30 min
Apr 12, 5:09 AM CDT	Special Weather Statement	FWD	Falls, McLennan	36 min
Apr 12, 5:20 AM CDT	Special Weather Statement	FWD	Bell	25 min
Apr 12, 5:35 AM CDT	Special Weather Statement	FWD	Navarro	25 min
Apr 12, 5:39 AM CDT	Special Weather Statement	FWD	Limestone	36 min
Apr 12, 5:43 AM CDT	Severe Thunderstorm Warning	FWD	Falls, Freestone, Hill, Limestone, McLennan, Navarro	62 min
Apr 12, 5:45 AM CDT	Tornado Warning	FWD	Freestone, Limestone	45 min
Apr 12, 6:01 AM CDT	Special Weather Statement	FWD	Navarro	29 min
Apr 12, 6:14 AM CDT	Tornado Warning	FWD	Freestone	34 min
Apr 12, 6:30 AM CDT	Areal Flood Advisory	FWD	Navarro	3 hr
Apr 12, 6:31 AM CDT	Special Weather Statement	FWD	Henderson	29 min
Apr 12, 6:36 AM CDT	Severe Thunderstorm Warning	FWD	Henderson	39 min
Apr 12, 6:40 AM CDT	Areal Flood Advisory	FWD	Falls, Limestone	3 hr
Apr 12, 6:43 AM CDT	Severe Thunderstorm Warning	FWD	Anderson, Henderson	58 min
Apr 12, 7:01 AM CDT	Special Weather Statement	FWD	Robertson	59 min
Apr 12, 7:11 AM CDT	Special Weather Statement	FWD	Milam	49 min
Apr 12, 7:16 AM CDT	Severe Thunderstorm Warning	FWD	Anderson, Freestone, Leon	45 min
Apr 12, 7:45 AM CDT	Special Weather Statement	FWD	Leon	30 min
Apr 12, 8:00 AM CDT	Special Weather Statement	FWD	Leon, Robertson	45 min
Apr 12, 2:16 PM CDT	River Flood Warning	FWD	Henderson, Navarro	4 days
Apr 12, 2:16 PM CDT	River Flood Warning	FWD	Leon, Robertson	4 days
Apr 12, 3:17 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Lamar	58 min
Apr 12, 4:10 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Lamar	65 min
Apr 12, 4:27 PM CDT	Special Weather Statement	FWD	Dallas	33 min
Apr 12, 5:02 PM CDT	Special Weather Statement	FWD	Dallas	28 min
Apr 12, 5:28 PM CDT	Special Weather Statement	FWD	Kaufman	32 min
Apr 12, 6:11 PM CDT	Severe Thunderstorm Warning	FWD	Rains, Van Zandt	34 min

Nearby

Tornado Warnings in Texas, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.