Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 295, NWS Jackson, MS

May 27, 1997Sunflower County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 27, 1997, 6:47 AM CDT for Sunflower 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, 6:47 AM CDT (11:47 UTC)
Expired
May 27, 1997, 7:30 AM CDT
In force
43 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Sunflower 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, 2:45 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 11.8 hours before the alert went out and 149 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, Little Rock, AR at 00:00Z on 1997-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4008 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, Little Rock, AR at 00:00Z on 1997-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
4008 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
884 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

926 
WUUS1 KJAN 271148 RRA
SVRJAN
MSC133-271230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
647 AM CDT TUE MAY 27 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST MISSISSIPPI
 
   ...SUNFLOWER COUNTY
 
AT 647 AM...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ENTERING
WESTERN SUNFLOWER COUNTY. THE STORMS WERE MOVING EAST AT 35 MPH...AND
WILL MOVE NEAR SUNFLOWER...INDIANOLA...AND INVERNESS BY 715 AM. DAMAGING
WINDS ARE THE MAIN THREAT WITH THESE STORMS.
 
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.
<
65

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 27, 1:54 AM CDT, 4 hours 53 minutes before
MSZ026>029-032-033-270900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
154 AM CDT TUE MAY 27 1997

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FOR SEVERE THUNDERSTORM WATCH
NUMBER 331...

CARROLL... CHOCTAW... GRENADA... MONTGOMERY... OKTIBBEHA... WEBSTER..

THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE EAST OF THE AREA FOR THE
NEXT SEVERAL HOURS...ALTHOUGH SCATTERED SHOWERS AND THUNDERSTORMS ARE
STILL POSSIBLE IN THE AREA EARLY THIS MORNING.
Special weather statement, May 27, 2:00 AM CDT, 4 hours 47 minutes before
MSZ026>029-032-033-270900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
154 AM CDT TUE MAY 27 1997

THE FOLLOWING COUNTIES HAVE BEEN CLEARED FOR SEVERE THUNDERSTORM WATCH
NUMBER 331...

CARROLL... CHOCTAW... GRENADA... MONTGOMERY... OKTIBBEHA... WEBSTER..

THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE EAST OF THE AREA FOR THE
NEXT SEVERAL HOURS...ALTHOUGH SCATTERED SHOWERS AND THUNDERSTORMS ARE
STILL POSSIBLE IN THE AREA EARLY( THIS MORNING.

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 4:47 AM CDTSevere Thunderstorm WarningJANBolivar58 min
May 27, 5:49 AM CDTSevere Thunderstorm WarningJANSunflower41 min
May 27, 6:21 AM CDTSevere Thunderstorm WarningJANBolivar, Washington69 min
May 27, 6:56 AM CDTSevere Thunderstorm WarningJANHumphreys49 min
May 27, 7:07 AM CDTSevere Thunderstorm WarningJANLeflore53 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.