Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 164, NWS New Orleans, LA

May 28, 1997Pike County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at May 28, 1997, 5:21 PM CDT for Pike County, Mississippi. It was in force for 24 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 28, 1997, 5:21 PM CDT (22:21 UTC)
Expired: May 28, 1997, 5:45 PM CDT
In force: 24 min
Issued by: NWS New Orleans, LA
Area: Whole counties

County Pike County, MS

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, 10.4 hours before the alert went out and 123 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, 5 hours 33 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, 5 hours 31 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.

Local storm report, May 28, 4:32 PM CDT, 49 minutes before

PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
428 PM CDT WED MAY  28 1997

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

0320 PM    WIGGINS                   MS   .88 INCH HAIL
05/28/97   PEARL RIVER                    REPORTED BY SHERIFFS OFFICE.

0320 PM    PICAYUNE                  MS   .75 INCH HAIL
05/28/97   PEARL RIVER                    REPORTED BY NWS EMPLOYEE.

0332 PM    CONVENT                   LA   1.50 INCH HAIL
05/28/97   ST. JAMES                      PING PONG BALL SIZE REPORTED
                                          BY SHERIFFS OFFICE.

0342 PM    CARRIERE                  MS   TORNADO
05/28/97   PEARL RIVER                    REPORTED BY SHERIFFS DEPUTY.
0347 PM    2 N PICAYUNE              MS   TORNADO
05/28/97   PEARL RIVER                    POWER LINES DOWN. REPORTED BY
                                          SHERIFFS OFFICE.

24

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, 3:18 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	57 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, 5:39 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; the sounding from the Mesonet's radiosonde archive.