Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 233, NWS Jackson, MS

June 13, 2021Catahoula Parish, Franklin Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Jun 13, 2021, 6:44 PM CDT for Catahoula Parish, Franklin Parish, Louisiana. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 13, 2021, 6:44 PM CDT (23:44 UTC)
Expired
Jun 13, 2021, 7:16 PM CDT
In force
32 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Catahoula Parish, LA, Franklin Parish, LA

The radar

The Ft Polk radar (KPOE), 136 km from the middle of the area, began a volume at 23:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 13, 12:22 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.7 hours before the alert went out and 176 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 12:00Z on 2021-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2570 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jackson, MS at 12:00Z on 2021-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
2570 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
869 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

186 
WUUS54 KJAN 132344
SVRJAN
LAC025-041-140030-
/O.NEW.KJAN.SV.W.0233.210613T2344Z-210614T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
644 PM CDT Sun Jun 13 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northwestern Catahoula Parish in northeastern Louisiana...
  Southwestern Franklin Parish in northeastern Louisiana...

* Until 730 PM CDT.

* At 644 PM CDT, a severe thunderstorm was located near Enterprise,
  or 14 miles southeast of Columbia, moving south at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Enterprise, Sherwood and Harrisonburg. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3193 9194 3193 9190 3197 9190 3197 9189
      3200 9190 3204 9190 3205 9191 3207 9191
      3208 9179 3175 9179 3175 9197
TIME...MOT...LOC 2344Z 003DEG 26KT 3198 9187 

HAIL...1.00IN
WIND...60MPH
 
$$

DL
2 follow-up statements
871 
WWUS54 KJAN 140006
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
706 PM CDT Sun Jun 13 2021

LAC041-140016-
/O.CAN.KJAN.SV.W.0233.000000T0000Z-210614T0030Z/
Franklin LA-
706 PM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN FRANKLIN PARISH
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern Louisiana.

LAT...LON 3193 9194 3193 9190 3197 9190 3197 9188
      3196 9186 3197 9186 3195 9184 3194 9185
      3194 9184 3192 9182 3192 9180 3189 9180
      3189 9179 3175 9179 3175 9197
TIME...MOT...LOC 0006Z 002DEG 23KT 3186 9187 

$$

LAC025-140030-
/O.CON.KJAN.SV.W.0233.000000T0000Z-210614T0030Z/
Catahoula LA-
706 PM CDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN CATAHOULA PARISH...

At 706 PM CDT, a severe thunderstorm was located over Enterprise, or
20 miles southeast of Columbia, moving south at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Enterprise, Sherwood and Harrisonburg. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3193 9194 3193 9190 3197 9190 3197 9188
      3196 9186 3197 9186 3195 9184 3194 9185
      3194 9184 3192 9182 3192 9180 3189 9180
      3189 9179 3175 9179 3175 9197
TIME...MOT...LOC 0006Z 002DEG 23KT 3186 9187 

HAIL...<.75IN
WIND...60MPH
 
$$

DL
284 
WWUS54 KJAN 140016
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
716 PM CDT Sun Jun 13 2021

LAC025-140025-
/O.CAN.KJAN.SV.W.0233.000000T0000Z-210614T0030Z/
Catahoula LA-
716 PM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CATAHOULA PARISH
IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.

LAT...LON 3193 9194 3193 9190 3197 9190 3197 9188
      3196 9186 3197 9186 3195 9184 3194 9185
      3194 9184 3192 9182 3192 9180 3189 9180
      3189 9179 3175 9179 3175 9197
TIME...MOT...LOC 0014Z 003DEG 26KT 3179 9187 

$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 3:01 PM CDTSpecial Weather StatementJANMorehouse59 min
Jun 13, 5:40 PM CDTSpecial Weather StatementJANCaldwell35 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.