Alert archive / Tennessee / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 324

May 23, 20005 states

The Storm Prediction Center issued this severe thunderstorm watch at May 23, 2000, 8:45 AM CDT for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 23, 2000, 8:45 AM CDT (13:45 UTC)
Expired
May 23, 2000, 2:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 49 counties

Mississippi County, AR, Alexander County, IL, Hardin County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Union County, IL, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Crittenden County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Trigg County, KY, Webster County, KY, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Scott County, MO, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Obion County, TN, Shelby County, TN, Stewart County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 105 km from the middle of the area, began a volume at 13:44 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

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

IssuedProductOfficeCountiesLasted
May 23, 9:00 AM CDTSevere Thunderstorm WarningPAHAlexander60 min
May 23, 9:09 AM CDTSevere Thunderstorm WarningMEGGibson36 min
May 23, 9:23 AM CDTSevere Thunderstorm WarningPAHCarlisle52 min
May 23, 9:24 AM CDTSevere Thunderstorm WarningMEGMadison36 min
May 23, 9:45 AM CDTSevere Thunderstorm WarningPAHGraves60 min
May 23, 10:30 AM CDTSevere Thunderstorm WarningMEGFayette30 min
May 23, 10:33 AM CDTSevere Thunderstorm WarningPAHTrigg57 min
May 23, 10:51 AM CDTSevere Thunderstorm WarningMEGHardeman24 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 1.8 hours before the alert went out and 157 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, Little Rock, AR at 12:00Z on 2000-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 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, Little Rock, AR at 12:00Z on 2000-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
57 J/kg
Mixed-layer CIN
-454 J/kg
Mixed-layer LCL
2025 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 23, 4:30 PM CDTTornado WatchSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more6 hr
May 23, 10:15 AM CDTSevere Thunderstorm WatchSPCAdair, Allen, Anderson, Barren, Boyle, Breckinridge and 31 more6 hr
May 23, 1:00 PM CDTSevere Thunderstorm WatchSPCBell, Clinton, Harlan, Knox, McCreary, Wayne and 1 more5 hr
May 23, 2:15 PM CDTSevere Thunderstorm WatchSPCAdair, Allen, Barren, Bell, Boyle, Breathitt and 52 more6 hr
May 23, 2:30 PM CDTTornado WatchSPCAdair, Allen, Barren, Boyle, Casey, Cumberland and 11 more6 hr
May 23, 6:15 PM CDTTornado WatchSPCBell, Breathitt, Clay, Clinton, Estill, Floyd and 17 more6 hr
May 23, 6:45 PM CDTTornado WatchSPCBoyd5 hr

Nearby

Severe Thunderstorm Watches in Tennessee, 2000Severe Thunderstorm Watches in Kentucky, 2000Severe Thunderstorm Watches in Illinois, 2000Every severe thunderstorm watch in 2000

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.