Alert archive / Mississippi / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 421, NWS Jackson, MS

October 18, 1996Holmes County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Oct 18, 1996, 12:49 AM CDT for Holmes County, Mississippi. It was in force for 41 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
Oct 18, 1996, 12:49 AM CDT (05:49 UTC)
Expired
Oct 18, 1996, 1:30 AM CDT
In force
41 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Holmes County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 5.8 hours before the alert went out and 89 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 1996-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1290 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 1996-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
1290 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1209 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 180551
SVRJAN
MSC051-180630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1249 AM CDT FRI OCT 18 1996
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...HOLMES COUNTY
 
AT 1247 AM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS ACROSS EASTERN HOLMES COUNTY FROM JUST NORTHWEST OF
EBENEZER...TO JUST EAST OF LEXINGTON...TO NEAR WEST. THE LINE OF
THUNDERSTORMS WAS MOVING TO THE EAST SOUTHEAST AT 30 MILES AN HOUR.
PERSONS GENERALLY ALONG AND EAST OF HIGHWAY 17 IN HOLMES COUNTY WILL BE
AFF<ECTED BY THESE STORMS THROUGH 130 AM.
 
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.
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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, Oct 17, 11:56 PM CDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
1155 PM CDT THU OCT 17 1996

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1151 PM    GREENVILLE                MS   63 MPH TSTM GUST
10/17/96   WASHINGTON                     WIDESPREAD POWER OUTAGES

1152 PM    ELIZABETH                 MS   1.75 INCH HAIL
10/17/96   WASHINGTON

1153 PM    1 E GREENVILLE            M~S   WIND DAMAGE
10/17/96   WASHINGTON                     TREES DOWN

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 10:52 PM CDTSevere Thunderstorm WarningJANBolivar, Washington53 min
Oct 17, 11:41 PM CDTSevere Thunderstorm WarningJANHolmes, Humphreys, Leflore, Sunflower49 min
Oct 17, 11:41 PM CDTSevere Thunderstorm WarningJANCarroll, Grenada49 min
Oct 18, 12:27 AM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Montgomery, Webster48 min
Oct 18, 1:54 AM CDTSevere Thunderstorm WarningJANLeake, Scott51 min
Oct 18, 2:14 AM CDTSevere Thunderstorm WarningJANNeshoba, Newton31 min
Oct 18, 3:00 AM CDTSevere Thunderstorm WarningJANKemper, Lauderdale30 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1996Every severe thunderstorm warning in 1996

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.