Alert archive / Tennessee / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 211

April 27, 20005 states

The Storm Prediction Center issued this severe thunderstorm watch at Apr 27, 2000, 1:00 PM CDT for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 27, 2000, 1:00 PM CDT (18:00 UTC)
Expired
Apr 27, 2000, 6:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 50 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis 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, Calloway County, KY, Carlisle County, KY, Crittenden County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Union County, KY, Bollinger County, MO, Cape Girardeau County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Perry County, MO, Scott County, MO, Stoddard County, MO, Carroll County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 83 km from the middle of the area, began a volume at 17:59 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

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

IssuedProductOfficeCountiesLasted
Apr 27, 1:13 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Perry47 min
Apr 27, 1:55 PM CDTSevere Thunderstorm WarningPAHAlexander, Union35 min
Apr 27, 2:19 PM CDTSevere Thunderstorm WarningPAHPulaski56 min
Apr 27, 2:29 PM CDTSevere Thunderstorm WarningPAHAlexander31 min
Apr 27, 2:43 PM CDTSevere Thunderstorm WarningPAHBallard47 min
Apr 27, 3:27 PM CDTSevere Thunderstorm WarningPAHHickman33 min
Apr 27, 4:23 PM CDTSevere Thunderstorm WarningMEGWeakley32 min
Apr 27, 5:21 PM CDTSevere Thunderstorm WarningMEGFayette29 min
Apr 27, 5:28 PM CDTSevere Thunderstorm WarningMEGHardeman32 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.0 hours before the alert went out and 278 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 2000-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2000-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1903 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
89 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
Apr 27, 4:00 PM CDTSevere Thunderstorm WatchSPCCalloway, Christian, Graves, Logan, Lyon, Marshall and 4 more5 hr

Nearby

Severe Thunderstorm Watches in Tennessee, 2000Severe Thunderstorm Watches in Kentucky, 2000Severe Thunderstorm Watches in Missouri, 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.