Alert archive / Indiana / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 126

April 19, 20024 states

The Storm Prediction Center issued this severe thunderstorm watch at Apr 19, 2002, 2:15 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 19, 2002, 2:15 PM CDT (19:15 UTC)
Expired
Apr 19, 2002, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 100 counties

Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Bartholomew County, IN, Brown County, IN, Clark County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Gibson County, IN, Greene County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Ripley County, IN, Scott County, IN, Spencer County, IN, Switzerland County, IN, Union County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Anderson County, KY, Ballard County, KY, Breckinridge County, KY, Bullitt County, KY, Caldwell County, KY, Carlisle County, KY, Carroll County, KY, Crittenden County, KY, Daviess County, KY, Franklin County, KY, Gallatin County, KY, Hancock County, KY, Hardin County, KY, Henderson County, KY, Henry County, KY, Hopkins County, KY, Jefferson County, KY, Livingston County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Iron County, MO, Madison County, MO, Mississippi County, MO, Perry 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

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 19, 2:31 PM CDTSevere Thunderstorm WarningLMKCrawford, Orange29 min
Apr 19, 2:58 PM CDTTornado WarningPAHBollinger, Cape Girardeau, Stoddard47 min
Apr 19, 3:47 PM CDTSevere Thunderstorm WarningPAHScott, Stoddard73 min

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.3 hours before the alert went out and 238 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 12:00Z on 2002-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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, Lincoln, IL at 12:00Z on 2002-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
72 J/kg
Mixed-layer CIN
-393 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 8:30 PM CDTSevere Thunderstorm WatchSPCCarroll, Jo Daviess, Rock Island, Stephenson5 hr
Apr 19, 8:00 AM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Christian, Clinton, Fayette, Greene and 13 more5 hr
Apr 19, 10:15 AM CDTSevere Thunderstorm WatchSPCBond, Clinton, Fayette, Franklin, Jackson, Jefferson and 10 more6 hr
Apr 19, 5:30 PM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Christian, Clay, Clinton, DeWitt and 20 more5 hr
Apr 19, 3:30 PM CDTSevere Thunderstorm WatchSPCBoone, Kenton6 hr
Apr 19, 5:00 AM CDTSevere Thunderstorm WatchSPCBates, Benton, Buchanan, Caldwell, Camden, Carroll and 17 more5 hr
Apr 19, 4:00 PM CDTSevere Thunderstorm WatchSPCBarry, Barton, Bates, Benton, Boone, Callaway and 44 more6 hr

Nearby

Severe Thunderstorm Watches in Indiana, 2002Severe Thunderstorm Watches in Kentucky, 2002Severe Thunderstorm Watches in Illinois, 2002Every severe thunderstorm watch in 2002

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.