Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 121, NWS Jackson, MS

May 3, 2021Lowndes County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 3, 2021, 2:00 PM CDT for Lowndes County, Mississippi. It was in force for 45 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
May 3, 2021, 2:00 PM CDT (19:00 UTC)
Expired
May 3, 2021, 2:45 PM CDT
In force
45 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Lowndes County, MS

The radar

The Columbus AFB radar (KGWX), 58 km from the middle of the area, began a volume at 19:05 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
May 3, 11:47 AM CDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.0 hours before the alert went out and 151 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, Birmingham, AL at 12:00Z on 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1106 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, Birmingham, AL at 12:00Z on 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 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
1106 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
363 m²/s²
Significant tornado parameter
1.7
Supercell composite
11.4

Open this sounding in Storm Lab

The text

As transmitted.

818 
WUUS54 KJAN 031900
SVRJAN
MSC087-031945-
/O.NEW.KJAN.SV.W.0121.210503T1900Z-210503T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
200 PM CDT Mon May 3 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Southeastern Lowndes County in northeastern Mississippi...

* Until 245 PM CDT.

* At 159 PM CDT, a severe thunderstorm was located near Bent Oak, or
  7 miles south of Columbus, moving east at 20 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Lowndes County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3329 8830 3329 8853 3348 8855 3352 8828
TIME...MOT...LOC 1859Z 266DEG 19KT 3340 8846 

HAIL...1.25IN
WIND...60MPH
 
$$

7
2 follow-up statements
516 
WWUS54 KJAN 031921
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
221 PM CDT Mon May 3 2021

MSC087-031945-
/O.CON.KJAN.SV.W.0121.000000T0000Z-210503T1945Z/
Lowndes MS-
221 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR SOUTHEASTERN LOWNDES COUNTY...

At 221 PM CDT, a severe thunderstorm was located near Columbus,
moving east at 20 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...
Columbus.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3332 8830 3333 8850 3349 8850 3352 8828
TIME...MOT...LOC 1921Z 263DEG 17KT 3342 8837 

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

7
355 
WWUS54 KJAN 031941
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
241 PM CDT Mon May 3 2021

MSC087-031950-
/O.EXP.KJAN.SV.W.0121.000000T0000Z-210503T1945Z/
Lowndes MS-
241 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LOWNDES COUNTY
WILL EXPIRE AT 245 PM CDT...
        
The storm which prompted the warning has moved out of the area.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
northeastern Mississippi.

LAT...LON 3332 8830 3333 8850 3349 8850 3352 8828
TIME...MOT...LOC 1940Z 266DEG 19KT 3343 8828 

$$

7

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:26 PM CDTTornado WarningJANGrenada, Montgomery38 min
May 2, 7:37 PM CDTTornado Warning Tornado observedJANAttala, Choctaw, Montgomery53 min
May 2, 7:39 PM CDTTornado Warning Tornado observedJANHinds, Rankin49 min
May 2, 7:44 PM CDTTornado Warning Tornado observedJANAttala, Leake, Madison61 min
May 2, 8:18 PM CDTTornado WarningJANChoctaw, Montgomery, Webster40 min
May 3, 1:01 PM CDTSpecial Weather StatementJANLowndes44 min
May 3, 1:47 PM CDTSevere Thunderstorm WarningJANLowndes28 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.