Alert archive / Kentucky / Severe Thunderstorm Watches in 1998

Severe Thunderstorm Watch 417

May 25, 19985 states

The Storm Prediction Center issued this severe thunderstorm watch at May 25, 1998, 3:15 AM CDT for 5 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 25, 1998, 3:15 AM CDT (08:15 UTC)
Expired
May 25, 1998, 9:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 56 counties

Alexander County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Johnson County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Saline County, IL, Union County, IL, White County, IL, Williamson County, IL, Posey County, IN, Vanderburgh County, IN, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Fulton County, KY, Graves County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Iron County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Perry County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Stoddard County, MO, Washington County, MO, Wayne County, MO, Montgomery County, TN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 25, 3:35 AM CDTSevere Thunderstorm WarningLSXMadison, Saint Francois60 min
May 25, 3:56 AM CDTSevere Thunderstorm WarningPAHBollinger, Perry64 min
May 25, 4:00 AM CDTSevere Thunderstorm WarningLSXSainte Genevieve60 min
May 25, 4:11 AM CDTTornado WarningLSXSainte Genevieve49 min
May 25, 4:29 AM CDTTornado WarningLSXRandolph46 min
May 25, 4:41 AM CDTSevere Thunderstorm WarningPAHJackson49 min
May 25, 5:54 AM CDTSevere Thunderstorm WarningPAHAlexander36 min
May 25, 6:13 AM CDTSevere Thunderstorm WarningPAHBallard47 min
May 25, 6:21 AM CDTSevere Thunderstorm WarningPAHMcCracken54 min

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.3 hours before the alert went out and 309 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, Lincoln, IL at 00:00Z on 1998-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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, Lincoln, IL at 00:00Z on 1998-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
859 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
91 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
May 25, 7:45 AM CDTSevere Thunderstorm WatchSPCSpencer5 hr
May 25, 11:30 AM CDTSevere Thunderstorm WatchSPCBell, Breathitt, Clay, Floyd, Harlan, Jackson and 10 more5 hr
May 25, 3:00 PM CDTSevere Thunderstorm WatchSPCAllen, Barren, Calloway, Christian, Clinton, Cumberland and 15 more6 hr
May 25, 3:00 PM CDTSevere Thunderstorm WatchSPCBell6 hr
May 24, 9:30 PM CDTSevere Thunderstorm WatchSPCBarton, Bates, Benton, Camden, Cedar, Christian and 22 more7 hr
May 25, 12:30 AM CDTTornado WatchSPCBarry, Howell, McDonald, Newton, Oregon, Ozark and 2 more6 hr

Nearby

Severe Thunderstorm Watches in Kentucky, 1998Severe Thunderstorm Watches in Missouri, 1998Severe Thunderstorm Watches in Illinois, 1998Every severe thunderstorm 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.