Alert archive / Texas / Tornado Warnings in 2019

Tornado Warning 21, NWS Norman, OK

May 1, 2019Archer County, Baylor County, Texas

NWS Norman, OK issued this tornado warning at May 1, 2019, 2:22 PM CDT for Archer County, Baylor County, Texas. It was in force for 38 min. 2 reports 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 1, 2019, 2:22 PM CDT (19:22 UTC)
Expired
May 1, 2019, 3:00 PM CDT
In force
38 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Archer County, TX, Baylor County, TX

The radar

The Altus AFB radar (KFDR), 97 km from the middle of the area, began a volume at 19:25 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 1, 2:35 PM CDTHAIL 2.5Megargel, TX
May 1, 2:40 PM CDTHAIL 3.53 Sw Megargel, TXCORRECTED REPORT, REPORT IN CHAT/PICTURE ON TWITTER.

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 1, 1:00 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 7.4 hours before the alert went out and 166 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 2019-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2939 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 2019-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 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
2939 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
2.3
Supercell composite
11.1

Open this sounding in Storm Lab

The text

As transmitted.

618 
WFUS54 KOUN 011922
TOROUN
TXC009-023-012000-
/O.NEW.KOUN.TO.W.0021.190501T1922Z-190501T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
222 PM CDT Wed May 1 2019

The National Weather Service in Norman has issued a

* Tornado Warning for...
  Southwestern Archer County in northern Texas...
  Southeastern Baylor County in northern Texas...

* Until 300 PM CDT.
    
* At 222 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Megargel, moving north at 15 mph.

  HAZARD...Tornado and golf ball 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...
  Archer City, Megargel and Lake Kickapoo. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter, safe room 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 3340 9903 3369 9896 3359 9860 3340 9882
TIME...MOT...LOC 1922Z 200DEG 12KT 3346 9895 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

BRB
1 follow-up statement
200 
WWUS54 KOUN 011942
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
242 PM CDT Wed May 1 2019

TXC009-023-012000-
/O.CON.KOUN.TO.W.0021.000000T0000Z-190501T2000Z/
Archer TX-Baylor TX-
242 PM CDT Wed May 1 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
SOUTHWESTERN ARCHER AND SOUTHEASTERN BAYLOR COUNTIES...
    
At 242 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Megargel, moving northeast at 20 mph.

HAZARD...Tornado and two inch 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...
Archer City, Megargel and Lake Kickapoo. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter, safe room, 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.

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

&&

LAT...LON 3340 9900 3367 9890 3359 9860 3340 9882
TIME...MOT...LOC 1942Z 228DEG 16KT 3346 9886 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

BRB

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 7:09 PM CDTSpecial Weather StatementOUNBaylor21 min
Apr 30, 7:33 PM CDTSpecial Weather StatementOUNWichita27 min
Apr 30, 7:51 PM CDTSevere Thunderstorm WarningOUNClay39 min
Apr 30, 7:59 PM CDTSpecial Weather StatementOUNWichita31 min
Apr 30, 8:35 PM CDTAreal Flood AdvisoryOUNClay3 hr
Apr 30, 8:49 PM CDTSpecial Weather StatementOUNArcher26 min
Apr 30, 9:20 PM CDTSpecial Weather StatementOUNClay25 min
Apr 30, 10:48 PM CDTSevere Thunderstorm WarningOUNHardeman42 min
May 1, 1:09 PM CDTSpecial Weather StatementOUNBaylor36 min
May 1, 1:18 PM CDTSevere Thunderstorm WarningOUNBaylor42 min
May 1, 1:46 PM CDTTornado Warning Tornado observedOUNBaylor29 min
May 1, 1:58 PM CDTSevere Thunderstorm WarningOUNBaylor47 min
May 1, 2:03 PM CDTSevere Thunderstorm WarningOUNArcher, Clay42 min
May 1, 2:08 PM CDTTornado Warning Tornado observedOUNBaylor52 min
May 1, 2:09 PM CDTSpecial Weather StatementOUNWichita36 min
May 1, 2:46 PM CDTSpecial Weather StatementOUNWichita29 min
May 1, 2:54 PM CDTSevere Thunderstorm WarningOUNArcher, Clay, Wichita30 min
May 1, 2:58 PM CDTTornado WarningOUNArcher32 min
May 1, 3:29 PM CDTSevere Thunderstorm WarningOUNArcher, Clay46 min
May 1, 3:42 PM CDTTornado WarningOUNArcher, Clay48 min
May 1, 4:20 PM CDTSevere Thunderstorm WarningOUNClay40 min
May 1, 4:36 PM CDTSpecial Weather StatementOUNArcher24 min
May 1, 4:59 PM CDTSevere Thunderstorm WarningOUNClay46 min
May 1, 5:04 PM CDTAreal Flood AdvisoryOUNArcher, Baylor, Clay3 hr
May 1, 5:50 PM CDTSpecial Weather StatementOUNArcher25 min

Nearby

Tornado Warnings in Texas, 2019Every tornado warning in 2019Tornadoes in 2019

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.