Alert archive / Texas / Tornado Watches in 1998

Tornado Watch 874

October 27, 199817 counties in Texas

The Storm Prediction Center issued this tornado watch at Oct 27, 1998, 5:15 PM CST for 17 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Oct 27, 1998, 5:15 PM CST (23:15 UTC)
Expired
Oct 27, 1998, 11:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center

Counties Andrews County, TX, Borden County, TX, Crane County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Loving County, TX, Martin County, TX, Midland County, TX, Pecos County, TX, Reeves County, TX, Scurry County, TX, Upton County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 73 km from the middle of the area, began a volume at 23:14 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

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

IssuedProductOfficeCountiesLasted
Oct 27, 5:34 PM CSTTornado WarningMAFLoving, Reeves46 min
Oct 27, 5:34 PM CSTTornado WarningMAFWinkler46 min
Oct 27, 5:41 PM CSTTornado WarningMAFAndrews, Gaines34 min
Oct 27, 5:50 PM CSTFlash Flood WarningMAFLoving95 min
Oct 27, 6:08 PM CSTTornado WarningMAFWard32 min
Oct 27, 6:14 PM CSTTornado WarningMAFGaines46 min
Oct 27, 6:18 PM CSTTornado WarningMAFWinkler47 min
Oct 27, 6:38 PM CSTTornado WarningMAFWard47 min
Oct 27, 6:48 PM CSTFlash Flood WarningMAFWinkler2 hr
Oct 27, 7:24 PM CSTTornado WarningMAFWard31 min
Oct 27, 7:41 PM CSTSevere Thunderstorm WarningMAFGaines49 min
Oct 27, 7:49 PM CSTTornado WarningMAFCrane46 min
Oct 27, 8:39 PM CSTSevere Thunderstorm WarningMAFCrane46 min
Oct 27, 9:20 PM CSTSevere Thunderstorm WarningMAFUpton60 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.3 hours before the alert went out and 73 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 12:00Z on 1998-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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, Midland Regional, TX at 12:00Z on 1998-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
14 J/kg
Mixed-layer CIN
-232 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

Nearby

Tornado Watches in Texas, 1998Every tornado watch in 1998

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.