Alert archive / Kentucky / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 756

September 23, 20015 states

The Storm Prediction Center issued this severe thunderstorm watch at Sep 23, 2001, 3:15 PM CDT for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Sep 23, 2001, 3:15 PM CDT (20:15 UTC)
Expired
Sep 23, 2001, 8:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 55 counties

Alexander County, IL, Gallatin County, IL, Hardin County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, White County, IL, Williamson County, IL, Crawford County, IN, Dubois County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Ballard County, KY, Breckinridge County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Hancock County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Ohio County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Webster County, KY, Mississippi County, MO, Scott County, MO, Dyer County, TN, Henry County, TN, Lake County, TN, Obion County, TN, Weakley County, TN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Sep 23, 3:39 PM CDTSevere Thunderstorm WarningPAHMassac21 min
Sep 23, 3:57 PM CDTSevere Thunderstorm WarningPAHMcCracken33 min
Sep 23, 4:19 PM CDTSevere Thunderstorm WarningPAHMassac26 min
Sep 23, 4:39 PM CDTSevere Thunderstorm WarningPAHLivingston36 min
Sep 23, 5:01 PM CDTSevere Thunderstorm WarningPAHHopkins44 min
Sep 23, 5:08 PM CDTSevere Thunderstorm WarningPAHCaldwell, Lyon67 min
Sep 23, 5:57 PM CDTSevere Thunderstorm WarningLMKPerry33 min
Sep 23, 6:07 PM CDTSevere Thunderstorm WarningLMKBreckinridge38 min
Sep 23, 6:15 PM CDTSevere Thunderstorm WarningLMKOhio60 min
Sep 23, 6:32 PM CDTSevere Thunderstorm WarningPAHChristian, Muhlenberg, Todd58 min
Sep 23, 6:45 PM CDTSevere Thunderstorm WarningLMKBreckinridge45 min
Sep 23, 7:02 PM CDTSevere Thunderstorm WarningLMKButler, Grayson43 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.3 hours before the alert went out and 203 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, Nashville Metro, TN at 12:00Z on 2001-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 178 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, Nashville Metro, TN at 12:00Z on 2001-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
178 J/kg
Mixed-layer CIN
-209 J/kg
Mixed-layer LCL
1055 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
62 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
Sep 23, 4:45 PM CDTSevere Thunderstorm WatchSPCAdams, Allen, Bartholomew, Blackford, Brown, Clark and 33 more5 hr
Sep 22, 11:45 PM CDTSevere Thunderstorm WatchSPCBates, Cass, Clay, Jackson, Platte3 hr
Sep 23, 1:45 PM CDTSevere Thunderstorm WatchSPCBollinger, Butler, Cape Girardeau, Carter, Christian, Douglas and 14 more4 hr

Nearby

Severe Thunderstorm Watches in Kentucky, 2001Severe Thunderstorm Watches in Illinois, 2001Severe Thunderstorm Watches in Indiana, 2001Every severe thunderstorm watch in 2001

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.