Alert archive / Texas / Tornado Warnings in 2018

Tornado Warning 1, NWS Midland/Odessa, TX

May 17, 2018Borden County, Scurry County, Texas

NWS Midland/Odessa, TX issued this tornado warning at May 17, 2018, 7:26 PM CDT for Borden County, Scurry County, Texas. It was in force for 21 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
May 17, 2018, 7:26 PM CDT (00:26 UTC)
Expired
May 17, 2018, 7:47 PM CDT
In force
21 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

Counties Borden County, TX, Scurry County, TX

The radar

The Lubbock radar (KLBB), 117 km from the middle of the area, began a volume at 00:26 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 nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 0.4 hours before the alert went out and 155 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, Midland Regional, TX at 00:00Z on 2018-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 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, Midland Regional, TX at 00:00Z on 2018-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 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
36 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
3307 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

033 
WFUS54 KMAF 180026
TORMAF
TXC033-415-180130-
/O.NEW.KMAF.TO.W.0001.180518T0026Z-180518T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Midland/Odessa TX
726 PM CDT THU MAY 17 2018

The National Weather Service in Midland has issued a

* Tornado Warning for...
  Northwestern Scurry County in western Texas...
  Northeastern Borden County in western Texas...

* Until 830 PM CDT.
    
* At 726 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Fluvanna, or 10 miles south of Lake Alan Henry,
  moving southeast at 45 mph.

  HAZARD...Tornado, hail up to two inches in diameter, and 80 mph 
           wind gusts.

  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...
  Fluvanna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

LAT...LON 3282 10079 3274 10116 3296 10123 3297 10105
      3297 10095 3288 10078
TIME...MOT...LOC 0026Z 294DEG 37KT 3291 10106 

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

$$

49
2 follow-up statements
876 
WWUS54 KMAF 180039
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
739 PM CDT THU MAY 17 2018

TXC033-180048-
/O.CAN.KMAF.TO.W.0001.000000T0000Z-180518T0130Z/
Borden TX-
739 PM CDT THU MAY 17 2018

...THE TORNADO WARNING FOR NORTHEASTERN BORDEN COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3275 10110 3297 10114 3297 10095 3288 10078
      3282 10079
TIME...MOT...LOC 0038Z 309DEG 17KT 3288 10103 

$$

TXC415-180130-
/O.CON.KMAF.TO.W.0001.000000T0000Z-180518T0130Z/
Scurry TX-
739 PM CDT THU MAY 17 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN SCURRY COUNTY...
    
At 738 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles east of Fluvanna, or 12 miles south of Lake Alan
Henry, moving southeast 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.

This tornadic thunderstorm will remain over mainly rural areas of
northwestern Scurry County.

LAT...LON 3275 10110 3297 10114 3297 10095 3288 10078
      3282 10079
TIME...MOT...LOC 0038Z 309DEG 17KT 3288 10103 

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

$$

10
821 
WWUS54 KMAF 180047
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
747 PM CDT THU MAY 17 2018

TXC415-180057-
/O.CAN.KMAF.TO.W.0001.000000T0000Z-180518T0130Z/
Scurry TX-
747 PM CDT THU MAY 17 2018

...THE TORNADO WARNING FOR NORTHWESTERN SCURRY COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

LAT...LON 3275 10110 3297 10114 3297 10095 3288 10078
      3282 10079
TIME...MOT...LOC 0045Z 294DEG 37KT 3284 10093 

$$

10

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 7:15 PM CDTSevere Thunderstorm WarningMAFBorden, Scurry60 min
May 17, 7:34 PM CDTSpecial Weather StatementMAF41 min
May 17, 8:10 PM CDTSevere Thunderstorm WarningMAFScurry31 min
May 17, 8:29 PM CDTSpecial Weather StatementMAFBrewster31 min
May 17, 10:22 PM CDTRed Flag WarningMAFAndrews, Ector, Gaines, Loving, Ward, Winkler24 hr
May 17, 10:59 PM CDTSpecial Weather StatementMAFJeff Davis46 min
May 18, 3:34 PM CDTSpecial Weather StatementMAF26 min
May 18, 4:29 PM CDTSpecial Weather StatementMAFPecos31 min

Nearby

Tornado Warnings in Texas, 2018Every tornado warning in 2018Tornadoes in 2018

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.