Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

May 3, 2021Marshall County, Mississippi

NWS Memphis, TN issued this special weather statement at May 3, 2021, 2:36 AM CDT for Marshall County, Mississippi. It was in force for 24 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, 2:36 AM CDT (07:36 UTC)
Expired
May 3, 2021, 3:00 AM CDT
In force
24 min
Issued by
NWS Memphis, TN

County Marshall County, MS

The radar

The Memphis radar (KNQA), 67 km from the middle of the area, began a volume at 07:40 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

Little Rock, AR (KLZK), launched 00:00Z, 7.6 hours before the alert went out and 19 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, Little Rock, AR at 00:00Z on 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 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, Little Rock, AR at 00:00Z on 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
36 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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, 12:50 AM CDT, 1 hour 46 minutes earlier.

Area forecast discussion, May 3, 12:50 AM CDT, 1 hour 46 minutes before
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Hazardous weather outlook, May 2, 3:40 PM CDT, 10 hours 56 minutes before
Hazardous Weather Outlook
National Weather Service Memphis TN
340 PM CDT Sun May 2 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-032245-
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-
340 PM CDT Sun May 2 2021

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

.DAY ONE...This Afternoon and Tonight

Strong to severe storms will be possible this evening and
overnight across much of north Mississippi and portions of East
Arkansas. Damaging wind, large hail and tornadoes are possible.
See website for additional details.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Strong to severe thunderstorms will be possible across the Mid
South Monday night into Tuesday. Damaging wind, very large hail
and tornadoes are possible. The highest threat for tornadoes will
be Monday night. See website for additional details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and Monday night.

In the hours before

Special weather statement, May 3, 12:38 AM CDT, 1 hour 58 minutes before
Special Weather Statement
National Weather Service Memphis TN
1238 AM CDT Mon May 3 2021

MSZ004-014-030615-
Tippah MS-Union MS-
1238 AM CDT Mon May 3 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 115 AM CDT
FOR...

Southern Tippah County in northeastern Mississippi...
North central Union County in northeastern Mississippi...

At 1238 AM CDT...a strong thunderstorm producing winds at least 40
mph was located over Blue Mountain, or 8 miles southwest of Ripley,
moving northeast at 35 mph.

People in southern Tippah and north central Union Counties should
monitor this storm closely.

LAT...LON 3460 8876 3453 8909 3468 8909 3486 8877
      3486 8876
TIME...MOT...LOC 0538Z 234DEG 30KT 3463 8902

MJ
Special weather statement, May 3, 12:48 AM CDT, 1 hour 48 minutes before
Special Weather Statement
National Weather Service Memphis TN
1248 AM CDT Mon May 3 2021

ARZ049-MSZ001-007-008-030615-
Lee AR-Tunica MS-DeSoto MS-Tate MS-
1248 AM CDT Mon May 3 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 115 AM CDT
FOR...

Southeastern Lee County in eastern Arkansas...
Tunica County in northwestern Mississippi...
Southwestern DeSoto County in northwestern Mississippi...
Northwestern Tate County in northwestern Mississippi...

At 1247 AM CDT...a strong thunderstorm producing winds in excess of
40 mph was located near Tunica, or 12 miles east of St Francis
National Park, moving northeast at 30 mph.

People in southeastern Lee...Tunica...southwestern DeSoto and
northwestern Tate Counties should monitor this storm closely.

LAT...LON 3481 9057 3486 9041 3483 9041 3486 9034
      3485 9031 3488 9031 3491 9022 3473 8995
      3450 9041 3459 9058 3464 9059 3464 9066
      3468 9073
TIME...MOT...LOC 0547Z 233DEG 25KT 3464 9040

MJ
Special weather statement, May 3, 12:49 AM CDT, 1 hour 47 minutes before
Special Weather Statement
National Weather Service Memphis TN
1249 AM CDT Mon May 3 2021

MSZ013>015-030615-
Lafayette MS-Pontotoc MS-Union MS-
1249 AM CDT Mon May 3 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 115 AM CDT
FOR...

Southeastern Lafayette County in northwestern Mississippi...
Northwestern Pontotoc County in northeastern Mississippi...
South central Union County in northeastern Mississippi...

At 1249 AM CDT...a strong thunderstorm producing winds in excess of
40 mph was located near Denmark, or 15 miles west of Pontotoc, moving
east at 40 mph.

People in southeastern Lafayette...northwestern Pontotoc and south
central Union Counties should monitor this storm closely.

LAT...LON 3417 8939 3433 8940 3446 8893 3417 8893
TIME...MOT...LOC 0549Z 248DEG 33KT 3428 8927

MJ
Special weather statement, May 3, 1:31 AM CDT, 1 hour 5 minutes before
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Special weather statement, May 3, 2:30 AM CDT, 6 minutes before
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Special weather statement, May 3, 2:36 AM 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, 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, 1:01 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.