Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 36, NWS Memphis, TN

March 31, 2021Monroe County, Mississippi

NWS Memphis, TN issued this tornado warning at Mar 31, 2021, 1:53 AM CDT for Monroe County, Mississippi. It was in force for 22 min. 1 report 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 31, 2021, 1:53 AM CDT (06:53 UTC)
Expired: Mar 31, 2021, 2:15 AM CDT
In force: 22 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 9 km from the middle of the area, began a volume at 06:54 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 31, 1:54 AM CDT	TSTM WND DMG	2 E Hatley, MS	TREES DOWN ON WEAVER CREEK ROAD. ALSO REPORTS OF DEBRIS. TIME IS RADAR ESTIMATED.

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 00:00Z, 6.9 hours before the alert went out and 167 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: 127 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1179 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 179 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

928 
WFUS54 KMEG 310653
TORMEG
MSC095-310715-
/O.NEW.KMEG.TO.W.0036.210331T0653Z-210331T0715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
153 AM CDT Wed Mar 31 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northeastern Monroe County in northeastern Mississippi...

* Until 215 AM CDT.
    
* At 152 AM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located near Smithville, or near Amory,
  moving east at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Hatley, Splunge, Parham and Sipsey Fork. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3394 8822 3392 8843 3402 8845 3407 8821
TIME...MOT...LOC 0652Z 255DEG 29KT 3399 8838 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

1 follow-up statement

885 
WWUS54 KMEG 310659
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
159 AM CDT Wed Mar 31 2021

MSC095-310715-
/O.CON.KMEG.TO.W.0036.000000T0000Z-210331T0715Z/
Monroe MS-
159 AM CDT Wed Mar 31 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
NORTHEASTERN MONROE COUNTY...
        
At 159 AM CDT, a confirmed tornado was located near Smithville, or 10
miles east of Amory, moving east at 35 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Parham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
storm shelter or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3399 8822 3397 8835 3404 8836 3407 8821
TIME...MOT...LOC 0659Z 255DEG 29KT 3401 8831 

TORNADO...OBSERVED
HAIL...<.75IN

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 30, 7:50 PM CDT	Areal Flood Advisory	MEG	DeSoto, Tunica	3 hr
Mar 30, 7:56 PM CDT	Flash Flood Warning	MEG	DeSoto	3 hr
Mar 30, 9:30 PM CDT	Severe Thunderstorm Warning	MEG	Benton, Marshall	45 min
Mar 30, 9:54 PM CDT	Flash Flood Warning	MEG	Benton, DeSoto, Marshall, Tate, Tunica	3 hr
Mar 30, 11:40 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw	50 min
Mar 31, 12:17 AM CDT	Tornado Warning	MEG	Calhoun, Chickasaw	28 min
Mar 31, 12:27 AM CDT	Flash Flood Warning	MEG	Calhoun, Chickasaw, Monroe, Pontotoc, Yalobusha	3 hr
Mar 31, 12:41 AM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Lee, Monroe	49 min
Mar 31, 12:52 AM CDT	Tornado Warning	MEG	Chickasaw, Lee, Monroe	10 min
Mar 31, 1:01 AM CDT	Severe Thunderstorm Warning	MEG	Monroe	14 min
Mar 31, 1:24 AM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Monroe	51 min
Mar 31, 2:24 AM CDT	Flash Flood Warning	MEG	Monroe	3 hr
Mar 31, 3:16 AM CDT	Special Weather Statement	MEG	Coahoma	29 min
Mar 31, 3:26 AM CDT	Special Weather Statement	MEG	Panola	34 min
Mar 31, 3:46 AM CDT	Areal Flood Warning	MEG	Chickasaw	108 min
Mar 31, 3:49 AM CDT	Severe Thunderstorm Warning	MEG	Lafayette, Marshall, Panola	41 min
Mar 31, 4:12 AM CDT	Special Weather Statement	MEG	Yalobusha	33 min
Mar 31, 4:30 AM CDT	Special Weather Statement	MEG	Union	45 min
Mar 31, 4:43 AM CDT	Special Weather Statement	MEG	Calhoun, Pontotoc	32 min
Mar 31, 5:02 AM CDT	Special Weather Statement	MEG	Tallahatchie	13 min
Mar 31, 5:05 AM CDT	Special Weather Statement	MEG	Lee	25 min
Mar 31, 5:17 AM CDT	Special Weather Statement	MEG	Chickasaw	28 min
Mar 31, 5:19 AM CDT	Special Weather Statement	MEG	Chickasaw	26 min
Mar 31, 5:20 AM CDT	Flash Flood Warning	MEG	Calhoun, Chickasaw, Yalobusha	3 hr
Mar 31, 5:26 AM CDT	Flash Flood Warning	MEG	Chickasaw	4 hr
Mar 31, 5:31 AM CDT	Freeze Watch	MEG	Alcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more	9 hr
Mar 31, 5:31 AM CDT	Freeze Warning	MEG	Alcorn, Benton, DeSoto, Lafayette, Marshall, Panola and 7 more	27 hr
Mar 31, 5:32 AM CDT	Flash Flood Warning	MEG	Monroe	3 hr
Mar 31, 5:33 AM CDT	Special Weather Statement	MEG	Itawamba, Lee	42 min
Mar 31, 5:44 AM CDT	Special Weather Statement	MEG	Monroe	31 min
Mar 31, 6:06 AM CDT	Special Weather Statement	MEG	Monroe	39 min
Mar 31, 8:28 AM CDT	Areal Flood Warning	MEG	Alcorn, Tishomingo	3 hr
Mar 31, 8:54 AM CDT	Areal Flood Warning	MEG	Calhoun, Chickasaw, Yalobusha	3 hr
Mar 31, 9:01 AM CDT	Areal Flood Warning	MEG	Chickasaw, Itawamba, Lee, Monroe	3 hr
Mar 31, 9:01 AM CDT	Areal Flood Warning	MEG	Chickasaw	14 min
Mar 31, 9:05 AM CDT	River Flood Warning	MEG	Calhoun	23 hr
Mar 31, 9:19 AM CDT	River Flood Warning	MEG	Lafayette, Marshall, Union	22 hr
Mar 31, 9:19 AM CDT	River Flood Warning	MEG	Tate, Tunica	19 hr
Mar 31, 9:19 AM CDT	River Flood Warning	MEG	Quitman	4 days
Mar 31, 9:20 AM CDT	Areal Flood Warning	MEG	Chickasaw, Monroe	3 hr
Mar 31, 2:34 PM CDT	Frost Advisory	MEG	Calhoun, Chickasaw, Coahoma, Itawamba, Lee, Monroe and 3 more	18 hr
Mar 31, 2:34 PM CDT	Freeze Warning	MEG	Alcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more	42 hr

Nearby

Tornado Warnings in Mississippi, 2021 Every tornado warning in 2021 Tornadoes 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.