Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 20, NWS Memphis, TN

April 15, 1994Clay County, Lowndes County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 15, 1994, 7:52 AM CDT for Clay County, Lowndes County, Mississippi. It was in force for 38 min.

The area

The counties it named.

The facts

Issued: Apr 15, 1994, 7:52 AM CDT (12:52 UTC)
Expired: Apr 15, 1994, 8:30 AM CDT
In force: 38 min
Issued by: NWS Memphis, TN
Area: Whole counties

Counties Clay County, MS, Lowndes County, MS

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 0.9 hours before the alert went out and 151 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1524 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 573 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 234 m²/s²
0-3 km storm-relative helicity: 378 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 8.2

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 15, 4:50 AM CDT, 3 hours 2 minutes before

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The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 15, 11:10 AM CDT	Severe Thunderstorm Warning	MEG	DeSoto	35 min
Apr 15, 2:38 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Monroe	37 min
Apr 15, 3:17 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Oktibbeha	28 min
Apr 15, 3:39 PM CDT	Tornado Warning	MEG	Lowndes	36 min
Apr 15, 9:38 AM CDT	Severe Thunderstorm Warning	MEG	Obion, Weakley	52 min
Apr 15, 10:00 AM CDT	Severe Thunderstorm Warning	MEG	Haywood	45 min
Apr 15, 11:39 AM CDT	Severe Thunderstorm Warning	MEG	McNairy	51 min
Apr 15, 12:30 PM CDT	Severe Thunderstorm Warning	MEG	Decatur	30 min
Apr 15, 1:27 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	33 min
Apr 15, 9:28 AM CDT	Severe Thunderstorm Warning	MEG	Greene	47 min
Apr 15, 1:23 PM CDT	Tornado Warning	MEG	St. Francis	22 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1994 Every severe thunderstorm warning in 1994

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.