Alert archive / Oklahoma / Tornado Watches in 1997

Tornado Watch 766

October 25, 19978 counties in Arkansas; 22 counties in Oklahoma; 4 counties in Texas

The Storm Prediction Center issued this tornado watch at Oct 25, 1997, 1:30 PM CDT for 8 counties in Arkansas; 22 counties in Oklahoma; 4 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Oct 25, 1997, 1:30 PM CDT (18:30 UTC)
Expired
Oct 25, 1997, 8:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 34 counties

Crawford County, AR, Franklin County, AR, Howard County, AR, Little River County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Creek County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Seminole County, OK, Sequoyah County, OK, Fannin County, TX, Grayson County, TX, Lamar County, TX, Red River County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Oct 25, 1:44 PM CDTSevere Thunderstorm WarningFWDDelta, Lamar61 min
Oct 25, 2:01 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee29 min
Oct 25, 2:03 PM CDTSevere Thunderstorm WarningTSALatimer27 min
Oct 25, 2:06 PM CDTTornado WarningTSAMcIntosh, Muskogee39 min
Oct 25, 2:11 PM CDTTornado WarningTSALatimer34 min
Oct 25, 2:37 PM CDTSevere Thunderstorm WarningTSALatimer38 min
Oct 25, 2:40 PM CDTTornado WarningTSAMuskogee35 min
Oct 25, 2:44 PM CDTSevere Thunderstorm WarningFWDDelta, Lamar31 min
Oct 25, 2:47 PM CDTTornado WarningTSACherokee28 min
Oct 25, 2:58 PM CDTTornado WarningTSAHaskell, Latimer, LeFlore47 min
Oct 25, 3:29 PM CDTSevere Thunderstorm WarningTSASebastian46 min
Oct 25, 3:44 PM CDTTornado WarningTSALeFlore31 min
Oct 25, 4:05 PM CDTSevere Thunderstorm WarningTSACrawford25 min
Oct 25, 4:11 PM CDTTornado WarningTSASebastian34 min
Oct 25, 5:21 PM CDTSevere Thunderstorm WarningSHVHoward54 min

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 6.5 hours before the alert went out and 220 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, Norman, OK at 12:00Z on 1997-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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, Norman, OK at 12:00Z on 1997-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 224 square meters per square second.1939587897117Sfc1 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
12 J/kg
Mixed-layer CIN
-513 J/kg
Mixed-layer LCL
1538 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
224 m²/s²
0-3 km storm-relative helicity
270 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 25, 12:30 PM CDTTornado WatchSPCLittle River, Miller7 hr
Oct 25, 2:45 PM CDTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 27 more6 hr

Nearby

Tornado Watches in Oklahoma, 1997Tornado Watches in Arkansas, 1997Tornado Watches in Texas, 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.