Alert archive / Texas / Tornado Watches in 1997

Tornado Watch 408

June 11, 19976 counties in Oklahoma; 25 counties in Texas

The Storm Prediction Center issued this tornado watch at Jun 11, 1997, 9:15 PM CDT for 6 counties in Oklahoma; 25 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 11, 1997, 9:15 PM CDT (02:15 UTC)
Expired
Jun 12, 1997, 3:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 31 counties

Beckham County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Washita County, OK, Armstrong County, TX, Baylor County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Gray County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Kent County, TX, King County, TX, Knox County, TX, Motley County, TX, Stonewall County, TX, Throckmorton County, TX, Wheeler County, TX, Wilbarger County, TX

The radar

The Lubbock radar (KLBB), 129 km from the middle of the area, began a volume at 02:18 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.

Warnings issued inside it

8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 11, 9:43 PM CDTFlash Flood WarningAMACollingsworth, Wheeler4 hr
Jun 11, 9:55 PM CDTSevere Thunderstorm WarningFWDHaskell50 min
Jun 11, 10:09 PM CDTSevere Thunderstorm WarningAMACollingsworth66 min
Jun 11, 10:15 PM CDTTornado WarningLUBChildress60 min
Jun 11, 10:21 PM CDTTornado WarningAMACollingsworth39 min
Jun 11, 10:36 PM CDTSevere Thunderstorm WarningOUNHarmon39 min
Jun 11, 10:45 PM CDTSevere Thunderstorm WarningLUBChildress45 min
Jun 11, 11:15 PM CDTSevere Thunderstorm WarningOUNHarmon, Jackson45 min

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.3 hours before the alert went out and 186 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, Amarillo Airport, TX at 00:00Z on 1997-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 875 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 1997-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 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
875 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
2722 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 1:30 AM CDTSevere Thunderstorm WatchSPCAlfalfa, Craig, Delaware, Dewey, Garfield, Grant and 10 more6 hr

Nearby

Tornado Watches in Texas, 1997Tornado Watches in Oklahoma, 1997Every tornado watch in 1997

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.