Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

May 3, 2021Monroe County, Mississippi

NWS Memphis, TN issued this special weather statement at May 3, 2021, 1:01 PM CDT for Monroe County, Mississippi. It was in force for 29 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, 1:01 PM CDT (18:01 UTC)
Expired
May 3, 2021, 1:30 PM CDT
In force
29 min
Issued by
NWS Memphis, TN

County Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 25 km from the middle of the area, began a volume at 18:04 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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.0 hours before the alert went out and 164 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this special weather statement went out at May 3, 12:58 PM CDT, 3 minutes earlier.

Area forecast discussion, May 3, 12:58 PM CDT, 3 minutes before
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Hazardous weather outlook, May 3, 4:25 AM CDT, 8 hours 36 minutes before
Hazardous Weather Outlook
National Weather Service Memphis TN
425 AM CDT Mon May 3 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-041130-
Alcorn-Benton MS-Benton TN-Calhoun-Carroll-Chester-Chickasaw-Clay-
Coahoma-Craighead-Crittenden-Crockett-Cross-DeSoto-Decatur-
Dunklin-Dyer-Fayette-Gibson-Greene-Hardeman-Hardin-Haywood-
Henderson-Henry-Itawamba-Lafayette-Lake-Lauderdale-Lee AR-Lee MS-
Madison-Marshall-McNairy-Mississippi-Monroe-Obion-Panola-Pemiscot-
Phillips-Poinsett-Pontotoc-Prentiss-Quitman-Shelby-St. Francis-
Tallahatchie-Tate-Tippah-Tipton-Tishomingo-Tunica-Union-Weakley-
Yalobusha-
425 AM CDT Mon May 3 2021

This hazardous weather outlook is for portions of East Arkansas...
the Missouri Bootheel...North Mississippi...and West Tennessee.

.DAY ONE...Today and Tonight

Strong to severe thunderstorms will be possible across the Mid
South late tonight. Damaging wind, very large hail and tornadoes
are possible. See website for additional details.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Strong to severe thunderstorm threat will continue into Tuesday.
Damaging wind, large hail and tornadoes are possible. See website
for additional details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed late tonight and Tuesday.
Please relay any information about observed severe weather to the
NWS while following all local, state, and CDC guidelines.

In the hours before

Special weather statement, May 3, 8:21 AM CDT, 4 hours 40 minutes before
Special Weather Statement
National Weather Service Memphis TN
821 AM CDT Mon May 3 2021

TNZ089-090-031345-
Hardeman TN-Fayette TN-
821 AM CDT Mon May 3 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 845 AM CDT
FOR...

Central Hardeman County in western Tennessee...
Northeastern Fayette County in western Tennessee...

At 821 AM CDT...a strong thunderstorm producing winds at least 40 mph
was located near Somerville, or 15 miles west of Bolivar, moving east
at 20 mph.

Very heavy rain along with continuous cloud to ground lightning are
also possible with this thunderstorm.

People in central Hardeman and northeastern Fayette Counties should
monitor this storm closely.

LAT...LON 3522 8939 3540 8935 3538 8886 3511 8892
TIME...MOT...LOC 1321Z 279DEG 18KT 3530 8929
Special weather statement, May 3, 12:05 PM CDT, 56 minutes before
Special Weather Statement
National Weather Service Memphis TN
1205 PM CDT Mon May 3 2021

MSZ024-031730-
Monroe MS-
1205 PM CDT Mon May 3 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 1230 PM CDT
FOR...

Southwestern Monroe County in northeastern Mississippi...

At 1204 PM CDT...a strong thunderstorm producing winds in excess of
30 mph was located over Pala Alto, or 8 miles northwest of West
Point, moving east at 20 mph.

Very heavy rain is also possible with this thunderstorm.

People in southwestern Monroe County should monitor this storm
closely.

LAT...LON 3379 8872 3384 8858 3368 8854 3368 8872
TIME...MOT...LOC 1704Z 256DEG 16KT 3366 8879
Special weather statement, May 3, 12:23 PM CDT, 38 minutes before
Special Weather Statement
National Weather Service Memphis TN
1223 PM CDT Mon May 3 2021

MSZ023-024-031800-
Monroe MS-Chickasaw MS-
1223 PM CDT Mon May 3 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 100 PM CDT
FOR...

Northwestern Monroe County in northeastern Mississippi...
Northeastern Chickasaw County in northeastern Mississippi...

At 1223 PM CDT...a strong thunderstorm producing winds in excess of
30 mph was located near Okolona, moving east at 15 mph.

Very heavy rain is also possible with this thunderstorm.

People in northwestern Monroe and northeastern Chickasaw Counties
should monitor this storm closely.

LAT...LON 3403 8882 3409 8865 3409 8847 3388 8841
      3386 8877
TIME...MOT...LOC 1723Z 256DEG 15KT 3397 8871
Special weather statement, May 3, 12:31 PM CDT, 30 minutes before
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Special weather statement, May 3, 1:01 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:42 PM CDTTornado WarningMEGCalhoun, Chickasaw48 min
May 2, 8:29 PM CDTTornado WarningMEGCalhoun, Chickasaw, Pontotoc46 min
May 2, 9:13 PM CDTTornado WarningMEGChickasaw, Lee, Pontotoc47 min
May 2, 9:53 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatMEGItawamba, Lee, Prentiss, Tishomingo52 min
May 2, 10:37 PM CDTTornado Warning Tornado observedConsiderable damage threatMEGItawamba, Prentiss, Tishomingo38 min
May 3, 12:12 AM CDTSpecial Weather StatementMEGLafayette33 min
May 3, 12:38 AM CDTSpecial Weather StatementMEGTippah37 min
May 3, 12:48 AM CDTSpecial Weather StatementMEGTunica27 min
May 3, 12:49 AM CDTSpecial Weather StatementMEGPontotoc26 min
May 3, 1:31 AM CDTSpecial Weather StatementMEGDeSoto29 min
May 3, 1:45 AM CDTSevere Thunderstorm WarningMEGDeSoto, Marshall, Tate45 min
May 3, 2:30 AM CDTSpecial Weather StatementMEGBenton30 min
May 3, 2:36 AM CDTSpecial Weather StatementMEGMarshall24 min
May 3, 5:57 AM CDTAreal Flood AdvisoryMEGDeSoto110 min
May 3, 12:05 PM CDTSpecial Weather StatementMEGClay25 min
May 3, 12:23 PM CDTSpecial Weather StatementMEGMonroe37 min
May 3, 12:31 PM CDTSpecial Weather StatementMEGMonroe29 min
May 3, 1:30 PM CDTSpecial Weather StatementMEGMonroe30 min
May 3, 3:06 AM CDTSpecial Weather StatementMEGChester, Hardeman24 min
May 3, 3:35 AM CDTSpecial Weather StatementMEGChester40 min
May 3, 4:48 AM CDTSpecial Weather StatementMEGHaywood27 min
May 3, 4:58 AM CDTSpecial Weather StatementMEGMcNairy32 min
May 3, 5:02 AM CDTAreal Flood AdvisoryMEGHardeman, Hardin, McNairy3 hr
May 3, 7:01 AM CDTAreal Flood AdvisoryMEGHaywood, Madison, Tipton119 min
May 3, 7:54 AM CDTAreal Flood AdvisoryMEGDecatur, Henderson, Madison2 hr
May 3, 8:21 AM CDTSpecial Weather StatementMEGHardeman24 min

Nearby

Special Weather Statements in Mississippi, 2021Every special weather statement 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.