Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 4, NWS Paducah, KY

May 4, 2021Ripley County, Missouri

NWS Paducah, KY issued this tornado warning at May 4, 2021, 1:55 AM CDT for Ripley County, Missouri. It was in force for 21 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: May 4, 2021, 1:55 AM CDT (06:55 UTC)
Expired: May 4, 2021, 2:16 AM CDT
In force: 21 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Ripley County, MO

The radar

The Memphis radar (KNQA), 172 km from the middle of the area, began a volume at 06:59 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
May 4, 2:05 AM CDT	TSTM WND DMG	Doniphan, MO	MEDIA RELAYED REPORT OF A LARGE TREE ON A HOME IN DONIPHAN.
May 4, 2:10 AM CDT	TSTM WND DMG	Doniphan, MO	PLENTY OF TREE DAMAGE, POWER OUTAGES. HIGHEST MEASURED GUST 55 MPH.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 3, 9:10 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.9 hours before the alert went out and 220 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: 3608 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1081 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 15.3

Open this sounding in Storm Lab

The text

As transmitted.

393 
WFUS53 KPAH 040655
TORPAH
MOC181-040730-
/O.NEW.KPAH.TO.W.0004.210504T0655Z-210504T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Paducah KY
155 AM CDT Tue May 4 2021

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  Ripley County in southeastern Missouri...

* Until 230 AM CDT.
    
* At 154 AM CDT, a severe thunderstorm capable of producing a tornado
  was located over Gatewood, or 14 miles southwest of Doniphan,
  moving northeast at 45 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.

* This dangerous storm will be near...
  Doniphan around 215 AM CDT.
  Budapest around 230 AM CDT.

Other locations impacted by this tornadic thunderstorm include Briar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3666 9112 3681 9090 3681 9063 3668 9063
      3668 9061 3650 9093 3650 9113
TIME...MOT...LOC 0654Z 229DEG 39KT 3654 9106 

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

$$

DWS

2 follow-up statements

581 
WWUS53 KPAH 040710
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
210 AM CDT Tue May 4 2021

MOC181-040730-
/O.CON.KPAH.TO.W.0004.000000T0000Z-210504T0730Z/
Ripley MO-
210 AM CDT Tue May 4 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR CENTRAL
RIPLEY COUNTY...
    
At 210 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Doniphan, moving northeast at 45 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.

This dangerous storm will be near...
  Budapest around 225 AM CDT.

Other locations impacted by this tornadic thunderstorm include Briar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3670 9106 3681 9090 3681 9063 3668 9063
      3668 9061 3653 9088 3660 9096
TIME...MOT...LOC 0710Z 229DEG 39KT 3665 9090 

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

$$

DWS

253 
WWUS53 KPAH 040716
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
216 AM CDT Tue May 4 2021

MOC181-040725-
/O.CAN.KPAH.TO.W.0004.000000T0000Z-210504T0730Z/
Ripley MO-
216 AM CDT Tue May 4 2021

...THE TORNADO WARNING FOR CENTRAL RIPLEY COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
southeastern Missouri.

Remember, a Severe Thunderstorm Warning still remains in effect for
Ripley County until 2:45 AM CDT. 

LAT...LON 3670 9106 3681 9090 3681 9063 3668 9063
      3668 9061 3653 9088 3660 9096
TIME...MOT...LOC 0713Z 229DEG 39KT 3669 9084 

$$

DWS

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 4, 1:36 AM CDT	Severe Thunderstorm Warning	PAH	New Madrid	54 min
May 4, 1:43 AM CDT	Severe Thunderstorm Warning	PAH	Butler, Carter, New Madrid, Ripley, Wayne	62 min
May 4, 2:02 AM CDT	Severe Thunderstorm Warning	PAH	Mississippi, New Madrid	43 min
May 4, 2:22 AM CDT	Severe Thunderstorm Warning	PAH	Mississippi, New Madrid, Scott, Stoddard	53 min
May 4, 2:27 AM CDT	Flash Flood Warning	PAH	Ripley	3 hr
May 4, 2:50 AM CDT	Severe Thunderstorm Warning	PAH	Mississippi, New Madrid, Scott, Stoddard	55 min
May 4, 2:55 AM CDT	Flash Flood Warning	PAH	Stoddard	5 hr
May 4, 3:10 AM CDT	Areal Flood Advisory	PAH	Mississippi, New Madrid	3 hr
May 4, 5:49 AM CDT	Areal Flood Warning	PAH	Stoddard	3 hr

Nearby

Tornado Warnings in Missouri, 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.