Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 146, NWS New Orleans, LA

October 27, 2021Hancock County, Pearl River County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Oct 27, 2021, 6:49 PM CDT for Hancock County, Pearl River County, Mississippi. It was in force for 41 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 27, 2021, 6:49 PM CDT (23:49 UTC)
Expired
Oct 27, 2021, 7:30 PM CDT
In force
41 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hancock County, MS, Pearl River County, MS

What was reported inside it

TimeReportWhereRemark
Oct 27, 6:51 PM CDTTSTM WND DMG2 Ene Picayune, MSMULTIPLE TREES DOWN ALONG THE HIGHWAY AND IN OTHER AREAS AROUND A TORNADO TRACK DUE TO STRAIGHT LINE DAMAGING WINDS.
Oct 27, 6:53 PM CDTTORNADO2 Ene Picayune, MSA BRIEF EF-1 TORNADO TOUCHED DOWN JUST WEST OF BALES AVE IN PICAYUNE, MS. THIS TORNADO QUICKLY TRAVELED NORTHEAST, WITH WIDESPREAD TREE DAMAGE IN THE EASTERN PART OF THE TOWN. MANY TREES WERE SNAPPED AT THE BASE WITH MULTIPLE TIN ROOFS RIPPED OFF AS WELL AS MI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 27, 1:53 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.8 hours before the alert went out and 42 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, Slidell Radar S, LA at 12:00Z on 2021-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2021-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1792 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

860 
WUUS54 KLIX 272349 RRA
SVRLIX
MSC045-109-280030-
/O.NEW.KLIX.SV.W.0146.211027T2349Z-211028T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
649 PM CDT Wed Oct 27 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Northern Hancock County in southern Mississippi...
  Southeastern Pearl River County in southern Mississippi...

* Until 730 PM CDT.

* At 649 PM CDT, a severe thunderstorm was located near Picayune,
  moving northeast at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Picayune.

This includes the following Interstates...
 Interstate 59 in Louisiana near mile marker 11.
 Interstate 59 in Mississippi between mile markers 1 and 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Louisiana...and southern Mississippi.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Louisiana...and southern Mississippi.

&&

LAT...LON 3074 8942 3055 8934 3043 8968 3054 8976
TIME...MOT...LOC 2349Z 239DEG 66KT 3053 8961 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

LN
2 follow-up statements
413 
WWUS54 KLIX 280016
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
716 PM CDT Wed Oct 27 2021

MSC045-109-280030-
/O.CON.KLIX.SV.W.0146.000000T0000Z-211028T0030Z/
Hancock MS-Pearl River MS-
716 PM CDT Wed Oct 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHEASTERN HANCOCK AND EAST CENTRAL PEARL RIVER COUNTIES...

At 716 PM CDT, a severe thunderstorm was located 11 miles north of
Kiln, or 14 miles north of Diamondhead, moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
northeastern Hancock and east central Pearl River Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for southern
Mississippi.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3051 8946 3056 8953 3073 8942 3055 8934
TIME...MOT...LOC 0016Z 213DEG 30KT 3058 8944 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JRK
078 
WWUS54 KLIX 280027
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
727 PM CDT Wed Oct 27 2021

MSC045-109-280037-
/O.EXP.KLIX.SV.W.0146.000000T0000Z-211028T0030Z/
Hancock MS-Pearl River MS-
727 PM CDT Wed Oct 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HANCOCK AND EAST
CENTRAL PEARL RIVER COUNTIES WILL EXPIRE AT 730 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 PM CDT for southern
Mississippi.

LAT...LON 3051 8946 3056 8953 3073 8942 3055 8934
TIME...MOT...LOC 0027Z 239DEG 66KT 3067 8927 

$$

JRK

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 27, 2:32 PM CDTSevere Thunderstorm WarningLIXWilkinson58 min
Oct 27, 3:04 PM CDTTornado WarningLIXWilkinson26 min
Oct 27, 3:10 PM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson50 min
Oct 27, 3:19 PM CDTTornado WarningLIXAmite, Wilkinson26 min
Oct 27, 3:56 PM CDTSevere Thunderstorm WarningLIXAmite, Pike, Wilkinson49 min
Oct 27, 4:53 PM CDTSpecial Weather StatementLIXPike, Walthall37 min
Oct 27, 5:19 PM CDTSevere Thunderstorm WarningLIXPearl River26 min
Oct 27, 6:19 PM CDTFlash Flood WarningLIXPearl River, Walthall2 hr
Oct 27, 6:52 PM CDTTornado WarningLIXHancock, Pearl River12 min
Oct 27, 6:53 PM CDTAreal Flood AdvisoryLIXHancock, Pearl River3 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.