Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 320, NWS Jackson, MS

May 27, 1997Simpson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 27, 1997, 11:32 PM CDT for Simpson County, Mississippi. It was in force for 43 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 27, 1997, 11:32 PM CDT (04:32 UTC)
Expired
May 28, 1997, 12:15 AM CDT
In force
43 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Simpson County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 27, 8:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.5 hours before the alert went out and 48 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 1997-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3525 joules per kilogram.LCLEL10008507005003002001001 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 1997-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939Sfc1 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
3525 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1180 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

343 
WUUS1 KJAN 280433 RRA
SVRJAN
MSC127-280515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1132 PM CDT TUE MAY 27 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...SIMPSON COUNTY
 
AT 1131 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
CENTERED ABOUT 4 MILES SOUTHWEST OF PANOLA...MOVING NORTHEAST AT
20 MPH.  THIS STORM WILL AFFECT THE MAGEE AREA BY MIDNIGHT.
OTHER STRONG STORMS WILL MOVE ACROSS WESTERN SIMPSON COUNTY.
 
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
<
 
 
74

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 7:15 PM CDTSevere Thunderstorm WarningJANWashington45 min
May 27, 8:07 PM CDTSevere Thunderstorm WarningJANBolivar68 min
May 27, 8:10 PM CDTSevere Thunderstorm WarningJANHumphreys, Yazoo50 min
May 27, 8:26 PM CDTSevere Thunderstorm WarningJANWashington49 min
May 27, 8:28 PM CDTSevere Thunderstorm WarningJANCarroll32 min
May 27, 8:41 PM CDTTornado WarningJANMadison, Rankin, Scott49 min
May 27, 8:41 PM CDTTornado WarningJANLeake49 min
May 27, 9:21 PM CDTSevere Thunderstorm WarningJANNewton54 min
May 27, 9:29 PM CDTFlash Flood WarningJANRankin, Scott61 min
May 27, 9:29 PM CDTSevere Thunderstorm WarningJANRankin, Scott61 min
May 27, 9:35 PM CDTSevere Thunderstorm WarningJANHumphreys, Sunflower, Washington55 min
May 27, 9:41 PM CDTSevere Thunderstorm WarningJANScott, Smith49 min
May 27, 9:45 PM CDTSevere Thunderstorm WarningJANIssaquena, Warren45 min
May 27, 9:48 PM CDTSevere Thunderstorm WarningJANAdams, Jefferson42 min
May 27, 10:03 PM CDTSevere Thunderstorm WarningJANHinds57 min
May 27, 10:20 PM CDTTornado WarningJANNewton40 min
May 27, 10:27 PM CDTSevere Thunderstorm WarningJANHumphreys, Yazoo63 min
May 27, 10:31 PM CDTSevere Thunderstorm WarningJANCopiah44 min
May 27, 10:38 PM CDTSevere Thunderstorm WarningJANMadison, Rankin67 min
May 27, 10:43 PM CDTSevere Thunderstorm WarningJANHolmes62 min
May 27, 10:56 PM CDTSevere Thunderstorm WarningJANHinds34 min
May 27, 11:00 PM CDTSevere Thunderstorm WarningJANNewton45 min
May 27, 11:01 PM CDTTornado WarningJANMadison29 min
May 27, 11:11 PM CDTTornado WarningJANRankin49 min
May 27, 11:35 PM CDTSevere Thunderstorm WarningJANLeake, Scott55 min
May 27, 11:35 PM CDTSevere Thunderstorm WarningJANSmith55 min
May 28, 12:04 AM CDTSevere Thunderstorm WarningJANJefferson Davis41 min
May 28, 12:08 AM CDTTornado WarningJANScott37 min
May 28, 12:10 AM CDTSevere Thunderstorm WarningJANCovington50 min
May 28, 12:13 AM CDTSevere Thunderstorm WarningJANJasper47 min
May 28, 12:25 AM CDTSevere Thunderstorm WarningJANLamar, Marion65 min
May 28, 12:31 AM CDTSevere Thunderstorm WarningJANOktibbeha44 min
May 28, 12:53 AM CDTTornado WarningJANJasper37 min
May 28, 1:05 AM CDTSevere Thunderstorm WarningJANForrest, Jones55 min
May 28, 1:38 AM CDTSevere Thunderstorm WarningJANClarke37 min
May 28, 3:10 PM CDTSevere Thunderstorm WarningJANFranklin50 min
May 28, 3:19 PM CDTSevere Thunderstorm WarningJANForrest41 min
May 28, 3:52 PM CDTSevere Thunderstorm WarningJANForrest38 min
May 28, 4:43 PM CDTSevere Thunderstorm WarningJANForrest, Jones47 min
May 28, 4:58 PM CDTSevere Thunderstorm WarningJANFranklin47 min
May 28, 5:14 PM CDTSevere Thunderstorm WarningJANLawrence, Lincoln46 min
May 28, 5:23 PM CDTSevere Thunderstorm WarningJANCopiah52 min
May 28, 6:58 PM CDTFlash Flood WarningJANWashington3 hr

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.