Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 5, NWS Lubbock, TX

April 10, 1997Castro County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 10, 1997, 3:46 PM CDT for Castro County, Texas. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 10, 1997, 3:46 PM CDT (20:46 UTC)
Expired
Apr 10, 1997, 4:20 PM CDT
In force
34 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Castro County, TX

The radar

The Amarillo radar (KAMA), 93 km from the middle of the area, began a volume at 20:48 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.

IssuedProductOfficeLasted
Apr 10, 2:45 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.8 hours before the alert went out and 93 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 12:00Z on 1997-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Amarillo Airport, TX at 12:00Z on 1997-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 436 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
436 m²/s²
0-3 km storm-relative helicity
394 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 10, 11:41 AM CDT, 4 hours 5 minutes before
TXZ021>044-102000-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1141 AM CDT THU APR 10 1997

THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS OVER THE SOUTH
PLAINS AND ROLLING PLAINS LATER THIS AFTERNOON AND EVENING.

THIS MORNING...A DRYLINE WAS LOCATED FROM EASTERN NEW MEXICO INTO
FAR WEST TEXAS.  BY MID AFTERNOON...THIS DRYLINE IS FORECAST TO MOVE
TO NEAR THE TEXAS/NEW MEXICO BORDER.   ADDITIONALLY...THE APPROACH
OF AN UPPER LEVEL TROUGH OF LOW PRESSURE AND AFTERNOON HEATING ARE
EXPECTED TO DESTABILIZE THE ATMOSPHERE.  WITH ABUNDANT QUANTITIES OF
LOW LEVEL MOISTURE ALREADY IN PLACE OVER THE AREA...SCATTERED
THUNDERSTORMS ARE EXPECTED TO DEVELOP AND MOVE NORTHEAST INTO THE
SOUTH PLAINS AND ROLLING PLAINS.  A FEW OF THESE STORMS COULD BECOME
SEVERE LATER THIS AFTERNOON INTO THE EVENING HOURS.

THE MAIN SEVERE WEATHER THREAT FROM WILL BE LARGE HAIL.  ISOLATED
TORNADOES ARE ALSO A POSSIBILITY.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL OVER THE SOUTH
PLAINS AND THE ROLLING PLAINS SHOULD MONITOR WEATHER DEVELOPMENTS
AND BE PREPARED FOR POSSIBLE ACTIVATION LATER THIS AFTERNOON AND
EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 4:16 PM CDTSevere Thunderstorm WarningLUBCastro, Lamb49 min
Apr 10, 4:54 PM CDTTornado WarningLUBCastro, Swisher66 min
Apr 10, 5:32 PM CDTSevere Thunderstorm WarningLUBHale63 min
Apr 10, 6:03 PM CDTTornado WarningLUBHale, Swisher32 min
Apr 10, 6:24 PM CDTSevere Thunderstorm WarningLUBTerry66 min
Apr 10, 6:27 PM CDTSevere Thunderstorm WarningLUBLynn48 min
Apr 10, 6:30 PM CDTSevere Thunderstorm WarningLUBCastro65 min
Apr 10, 6:38 PM CDTTornado WarningLUBSwisher62 min
Apr 10, 6:40 PM CDTSevere Thunderstorm WarningLUBLamb65 min
Apr 10, 6:50 PM CDTTornado WarningLUBLynn65 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning 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.