Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 160, NWS New Orleans, LA

May 28, 1997Pearl River County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at May 28, 1997, 3:18 PM CDT for Pearl River County, Mississippi. It was in force for 57 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 28, 1997, 3:18 PM CDT (20:18 UTC)
Expired: May 28, 1997, 4:15 PM CDT
In force: 57 min
Issued by: NWS New Orleans, LA
Area: Whole counties

County Pearl River County, MS

What was reported inside it

Time	Report	Where	Remark
May 28, 3:20 PM CDT	Hail 0.88	Picayune, MS
May 28, 3:35 PM CDT	Thunderstorm Wind	Picayune, MS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 28, 1:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.3 hours before the alert went out and 59 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 570 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 1200 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

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

Special weather statement, May 28, 11:48 AM CDT, 3 hours 30 minutes before

LAZ034>040-046>049-056>070-MSZ068>071-080>082-291200-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
1150 AM CDT WED MAY 28 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN EAST CENTRAL...
SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THIS AFTERNOON.
THIS ACTIVITY WILL CONTINUE INTO THE NIGHT WITH THE APPROACH OF A
COLD FRONT THAT SHOULD REACH CENTRAL LOUISIANA AFTER MIDNIGHT.

VERY WARM..HUMID AND UNSTABLE CONDITIONS CONTINUE OVER THE AREA TODAY.
UPPER AIR SOUNDINGS.. WHEN MODIFIED FOR AFTERNOON HEATING...INDICATE
ADDITIONAL INSTABILITY. THIS CONDITION WILL LEAD TO THE POSSIBILITY
OF ISOLATED SEVERE THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL AND STRONG
GUSTY WINDS THIS AFTERNOON AND TONIGHT.

Special weather statement, May 28, 11:50 AM CDT, 3 hours 28 minutes before

LAZ034>040-046>049-056>070-MSZ068>071-080>082-291200-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
1150 AM CDT WED MAY 28 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN EAST CENTRAL...
SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THIS AFTERNOON.
THIS ACTIVITY WILL CONTINUE INTO THE NIGHT WITH THE APPROACH OF A
COLD FRONT THAT SHOULD REACH CENTRAL LOUISIANA AFTER MIDNIGHT.

VERY WARM..HUMID AND UNSTABLE CONDITIONS CONTINUE OVER THE AREA TODAY.
UPPER AIR SOUNDINGS.. WHEN MODIFIED FOR AFTERNOON HEATING...INDICATE
ADDITIONAL INSTABILITY. THIS CONDITION WILL LEAD TO THE POSSIBILITY
OF ISOLATED SEVERE THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL AND STRONG
GUSTY WINDS THIS AFTERNOON AND TONIGHT.

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 1:45 PM CDT	Severe Thunderstorm Warning	LIX	Livingston	60 min
May 28, 3:08 PM CDT	Severe Thunderstorm Warning	LIX	Saint James	67 min
May 28, 4:45 PM CDT	Severe Thunderstorm Warning	LIX	Lafourche	15 min
May 28, 4:55 PM CDT	Tornado Warning	LIX	Lafourche	35 min
May 28, 5:27 PM CDT	Severe Thunderstorm Warning	LIX	Lafourche	33 min
May 28, 6:31 PM CDT	Severe Thunderstorm Warning	LIX	Pointe Coupee	29 min
May 28, 6:50 PM CDT	Severe Thunderstorm Warning	LIX	West Feliciana	25 min
May 28, 2:31 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	29 min
May 28, 3:34 PM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	56 min
May 28, 3:47 PM CDT	Tornado Warning	LIX	Pearl River	28 min
May 28, 5:12 PM CDT	Severe Thunderstorm Warning	LIX	Amite	18 min
May 28, 5:21 PM CDT	Severe Thunderstorm Warning	LIX	Pike	24 min
May 28, 5:39 PM CDT	Tornado Warning	LIX	Amite	36 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1997 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.