Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 280, NWS Jackson, MS

May 15, 1997Jefferson County, Lincoln County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 15, 1997, 4:00 AM CDT for Jefferson County, Lincoln County, Mississippi. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 15, 1997, 4:00 AM CDT (09:00 UTC)
Expired
May 15, 1997, 5:00 AM CDT
In force
60 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Jefferson County, MS, Lincoln County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.0 hours before the alert went out and 99 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, Jackson, MS at 00:00Z on 1997-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 168 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, Jackson, MS at 00:00Z on 1997-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
168 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1961 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

148 
WUUS1 KJAN 150904 RRA
SVRJAN
MSC063-085-151000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
400 AM CDT THU MAY 15 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSISSIPPI
 
   ...EASTERN JEFFERSON COUNTY...NORTHERN LINCOLN COUNTY
 
AT 4 AM...JACKSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
APPROACHING UNION CHURCH. THIS STORM WAS MOVING EAST AT 20 MPH AND IS
CAPABLE OF PRODUCING LARGE HAIL.
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
<
 
64/68

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, May 14, 10:15 PM CDT, 5 hours 45 minutes before
AR074-075-LA007>00-015-016-023-024-025-026-MS-018>022-025>067-
072>075
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1015 PM CDT WED MAY 14 1997

SEVERE THUNDERSTORM WATCH NUMBER 280 HAS EXPIRED FOR PORTIONS OF CENTRAL
MISSISSIPPI INTO NORTHEAST LOUISIANA AND EXTREME SOUTHEAST ARKANSAS. THE
COLD FRONT WAS POSITIONED FROM A TUPELO TO MONROE, LOUISIANA. ONLY ISOLATED
THUNDERSTORMS WERE OBSERVED AHEAD OF THE COLD FRONT. THE INTENSITY OF THE
STORMS ARE NOT EXPECTED TO APPROACH SEVERE LEVELS FOR THE REMAINDER OF
THE NIGHT.
Special weather statement, May 14, 10:18 PM CDT, 5 hours 42 minutes before
AR074-075-LA007>00-015-016-023-024-025-026-MS-018>022-025>067-
072>075
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1015 PM CDT WED MAY 14 1997

SEVERE THUNDERSTORM WATCH NUMBER 280 HAS EXPIRED FOR PORTIONS OF CENTRAL
MISSISSIPPI INTO NORTHEAST LOUISIANA AND EXTREME SOUTHEAST ARKANSAS. THE
COLD FRONT WAS POSITIONED FROM A TUPELO TO MONROE, LOUISIANA. ONLY ISOLATED
THUNDERSTORMS WERE OBSERVED AHEAD OF THE COLD FRONT. THE INTENSITY OF THE
STORMS ARE NOT EXPECTED TO APPROACH SEVERE LEVELS FOR THE REMAINDER OF
THE NIGHT.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 1:07 AM CDTSevere Thunderstorm WarningJANClaiborne, Warren53 min
May 15, 2:27 AM CDTSevere Thunderstorm WarningJANJefferson63 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997

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.