Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 199, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Nov 17, 1993, 1:56 AM CST for Lauderdale County, Newton County, Mississippi. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Nov 17, 1993, 1:56 AM CST (07:56 UTC)
- Expired
- Nov 17, 1993, 3:00 AM CST
- In force
- 64 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Lauderdale County, MS, Newton County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 7.9 hours before the alert went out and 112 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.
- Mixed-layer CAPE
- 920 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 751 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 4.4
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
Local storm report, Nov 16, 9:46 PM CST, 4 hours 10 minutes before
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</html>Special weather statement, Nov 17, 1:50 AM CST, 6 minutes before
MSZALL-170930- SPECIAL WEATHER STATEMENT...CORRECTION TO TIME NATIONAL WEATHER SERVICE JACKSON MS 150 AM CST WED NOV 17 1993 A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEAST RANKIN...SIMPSON AND SMITH COUNTIES UNTIL 515 AM CST. AT 150 AM CST A LINE OF THUNDERSTORM...SOME STRONG...EXTENDED ACROSS PARTS OF EAST CENTRAL AND SOUTH MISSISSIPPI. THE LEADING EDGE OF THIS LINE STRETCHED FROM COLLINSVILLE TO RALEIGH TO NEAR BOGUE CHITTO AND MAGNOLIA. STRONG THUNDERSTORMS WERE OVER NEWTON...NEAR RALEIGH...MAGEE...NEW HEBRON...AND MONTICELLO. OTHER STRONG STORMS WERE OVER EASTERN SCOTT COUNTY. MANY OF THESE STRONG STORMS WILL BE ACCOMPANIED BY GUSTY WINDS IN EXCESS OF 35 MILES AN HOUR...BRIEF TORRENTIAL RAIN...AND POSSIBLY HAIL AS THEY MOVE TO THE NORTHEAST AT 35 MILES AN HOUR. THE LINE OF THUNDERSTORMS WAS MOVING TO THE SOUTHEAST AT 10 MILES AN HOUR. PERSONS IN THE PATH OF THIS LINE OF THUNDERSTORMS SHOULD REMAIN ALERT THE NEXT SEVERAL HOURS...AND BE PREPARED TO TAKE ACTION IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 16, 8:10 PM CST | Severe Thunderstorm Warning | JAN | Yazoo | 50 min |
| Nov 16, 11:02 PM CST | Severe Thunderstorm Warning | JAN | Newton | 58 min |
| Nov 16, 11:04 PM CST | Severe Thunderstorm Warning | JAN | Scott | 26 min |
| Nov 16, 11:25 PM CST | Severe Thunderstorm Warning | JAN | Simpson | 50 min |
| Nov 17, 12:09 AM CST | Severe Thunderstorm Warning | JAN | Smith | 36 min |
| Nov 17, 1:14 AM CST | Flash Flood Warning | JAN | Rankin, Simpson, Smith | 4 hr |
| Nov 17, 2:50 AM CST | Severe Thunderstorm Warning | JAN | Covington | 25 min |
| Nov 17, 4:03 AM CST | Flash Flood Warning | JAN | Lauderdale, Newton | 3 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1993Every severe thunderstorm warning in 1993
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.