Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 50, NWS Jackson, MS

March 27, 2021Lowndes County, Noxubee County, Oktibbeha County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 27, 2021, 4:20 PM CDT for Lowndes County, Noxubee County, Oktibbeha County, Mississippi. It was in force for 55 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: Mar 27, 2021, 4:20 PM CDT (21:20 UTC)
Expired: Mar 27, 2021, 5:15 PM CDT
In force: 55 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Lowndes County, MS, Noxubee County, MS, Oktibbeha County, MS

The radar

The Columbus AFB radar (KGWX), 57 km from the middle of the area, began a volume at 21:24 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.

What was reported inside it

Time	Report	Where	Remark
Mar 27, 4:45 PM CDT	HAIL 1	Crawford, MS	NICKEL TO QUARTER SIZED HAIL IN TOWN.
Mar 27, 5:20 PM CDT	HAIL 1	3 Sw New Hope, MS	REPORTED ON HILDRETH RD.

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.3 hours before the alert went out and 165 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: 1085 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 610 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

As transmitted.

182 
WUUS54 KJAN 272120
SVRJAN
MSC087-103-105-272215-
/O.NEW.KJAN.SV.W.0050.210327T2120Z-210327T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
420 PM CDT Sat Mar 27 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northwestern Noxubee County in east central Mississippi...
  Southeastern Oktibbeha County in northeastern Mississippi...
  Lowndes County in northeastern Mississippi...

* Until 515 PM CDT.

* At 419 PM CDT, a severe thunderstorm was located near Oktoc, or 15
  miles south of Starkville, moving northeast at 50 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.

* This severe thunderstorm will be near...
  Brooksville and Crawford around 430 PM CDT.
  Bent Oak around 440 PM CDT.
  Columbus around 455 PM CDT.
  Steens around 500 PM CDT.

Other locations impacted by this severe thunderstorm include Artesia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3330 8830 3311 8881 3329 8881 3329 8889
      3354 8850 3352 8848 3353 8847 3354 8849
      3369 8826
TIME...MOT...LOC 2119Z 236DEG 44KT 3324 8877 

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

GRG

2 follow-up statements

927 
WWUS54 KJAN 272140
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
440 PM CDT Sat Mar 27 2021

MSC087-103-105-272215-
/O.CON.KJAN.SV.W.0050.000000T0000Z-210327T2215Z/
Noxubee MS-Oktibbeha MS-Lowndes MS-
440 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN NOXUBEE...SOUTHEASTERN OKTIBBEHA AND SOUTHERN
LOWNDES COUNTIES...

At 440 PM CDT, a severe thunderstorm was located near Crawford, or 15
miles southeast of Starkville, moving northeast 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.

This severe storm will be near...
  Crawford around 445 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3330 8830 3323 8873 3330 8876 3337 8867
      3358 8827
TIME...MOT...LOC 2140Z 239DEG 24KT 3328 8867 

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

GRG

600 
WWUS54 KJAN 272151
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
451 PM CDT Sat Mar 27 2021

MSC103-105-272201-
/O.CAN.KJAN.SV.W.0050.000000T0000Z-210327T2215Z/
Noxubee MS-Oktibbeha MS-
451 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN NOXUBEE AND
SOUTHEASTERN OKTIBBEHA COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3330 8830 3329 8839 3329 8867 3337 8867
      3358 8827
TIME...MOT...LOC 2151Z 242DEG 16KT 3331 8861 

$$

MSC087-272215-
/O.CON.KJAN.SV.W.0050.000000T0000Z-210327T2215Z/
Lowndes MS-
451 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR SOUTHERN LOWNDES COUNTY...

At 451 PM CDT, a severe thunderstorm was located over Crawford, or 15
miles southeast of Starkville, moving northeast 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.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3330 8830 3329 8839 3329 8867 3337 8867
      3358 8827
TIME...MOT...LOC 2151Z 242DEG 16KT 3331 8861 

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

GRG

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 4:32 PM CDT	Special Weather Statement	JAN	Clay, Oktibbeha	28 min
Mar 27, 5:10 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes	25 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Every 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; radar from the NEXRAD Level II archive.