Alert archive / Missouri / Tornado Warnings in 2018

Tornado Warning 13, NWS Paducah, KY

April 3, 2018Bollinger County, Cape Girardeau County, Scott County, Missouri

NWS Paducah, KY issued this tornado warning at Apr 3, 2018, 4:53 PM CDT for Bollinger County, Cape Girardeau County, Scott County, Missouri. It was in force for 37 min. 5 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
Apr 3, 2018, 4:53 PM CDT (21:53 UTC)
Expired
Apr 3, 2018, 5:30 PM CDT
In force
37 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Bollinger County, MO, Cape Girardeau County, MO, Scott County, MO

The radar

The Paducah radar (KPAH), 95 km from the middle of the area, began a volume at 21:57 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

TimeReportWhereRemark
Apr 3, 5:10 PM CDTHAIL 1.75Cape Girardeau, MOGOLFBALL SIZE HAIL REPORTED IN THE COMMUNTIY OF ALLENVILLE.
Apr 3, 5:12 PM CDTHAIL 0.75Cape Girardeau, MOWIND GUSTS ESTIMATED 45 MPH WITH THIS STORM
Apr 3, 5:15 PM CDTHAIL 0.5Cape Girardeau, MOMARBLE HAIL REPORTED NEAR MM95 ON I-55
Apr 3, 5:20 PM CDTHAIL 0.88Delta, MO
Apr 3, 5:29 PM CDTTSTM WND GST 585 S Cape Girardeau, MOREPORTED AT THE CAPE GIRARDEAU REGIONAL AIRPORT WHICH SETS IN SCOTT COUNTY MISSOURI. ONE QUARTER MILE VISIBILITY REPORTED WITH THIS STORM.

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.

IssuedProductOfficeLasted
Apr 3, 1:33 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 9.9 hours before the alert went out and 268 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 12:00Z on 2018-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 494 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2018-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.1939587897117Sfc1 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
494 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
639 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.1
Supercell composite
5.4

Open this sounding in Storm Lab

The text

As transmitted.

514 
WFUS53 KPAH 032153
TORPAH
MOC017-031-201-032230-
/O.NEW.KPAH.TO.W.0013.180403T2153Z-180403T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Paducah KY
453 PM CDT TUE APR 3 2018

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  Southeastern Bollinger County in southeastern Missouri...
  Northwestern Scott County in southeastern Missouri...
  Southern Cape Girardeau County in southeastern Missouri...

* Until 530 PM CDT
    
* At 452 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Leopold, or near Marble Hill, moving east at 45
  mph.

  HAZARD...Tornado and half dollar size hail. 

  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...
  Cape Girardeau, Scott City, Chaffee, Marble Hill, Kelso, Delta,
  Gordonville, Dutchtown, Leopold, Whitewater and Allenville.

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 3717 9003 3735 9002 3737 8953 3714 8950
TIME...MOT...LOC 2152Z 272DEG 37KT 3727 8993 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

DRS
1 follow-up statement
461 
WWUS53 KPAH 032202
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
502 PM CDT TUE APR 3 2018

MOC017-032212-
/O.CAN.KPAH.TO.W.0013.000000T0000Z-180403T2230Z/
Bollinger MO-
502 PM CDT TUE APR 3 2018

...THE TORNADO WARNING FOR SOUTHEASTERN BOLLINGER COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 800 PM CDT for southeastern
Missouri.

LAT...LON 3717 8987 3736 8986 3737 8962 3737 8953
      3714 8950
TIME...MOT...LOC 2202Z 271DEG 38KT 3727 8979 

$$

MOC031-201-032230-
/O.CON.KPAH.TO.W.0013.000000T0000Z-180403T2230Z/
Scott MO-Cape Girardeau MO-
502 PM CDT TUE APR 3 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHWESTERN SCOTT AND SOUTHERN CAPE GIRARDEAU COUNTIES...
    
At 502 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Delta, or near Bollinger Mill State Historic Site,
moving east at 45 mph.

HAZARD...Tornado and half dollar size hail. 

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...
Cape Girardeau, Scott City, Chaffee, Kelso, Delta, Gordonville,
Dutchtown, Whitewater and Allenville.

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 3717 8987 3736 8986 3737 8962 3737 8953
      3714 8950
TIME...MOT...LOC 2202Z 271DEG 38KT 3727 8979 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

DRS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 3:28 PM CDTSpecial Weather StatementPAHBollinger, Butler, Cape Girardeau, Carter, Perry, Ripley and 1 more62 min
Apr 3, 3:55 PM CDTSevere Thunderstorm WarningPAHBollinger, Wayne65 min
Apr 3, 3:58 PM CDTSevere Thunderstorm WarningPAHCarter, Ripley47 min
Apr 3, 4:33 PM CDTTornado WarningPAHRipley27 min
Apr 3, 4:41 PM CDTTornado WarningPAHButler34 min
Apr 3, 5:13 PM CDTTornado WarningPAHButler, Stoddard32 min
Apr 3, 5:23 PM CDTTornado WarningPAHCape Girardeau, Scott37 min
Apr 3, 5:43 PM CDTSevere Thunderstorm WarningPAHMississippi, New Madrid, Scott, Stoddard47 min
Apr 3, 5:50 PM CDTTornado WarningPAHNew Madrid, Scott, Stoddard25 min
Apr 3, 6:13 PM CDTTornado WarningPAHMississippi, New Madrid32 min

Nearby

Tornado Warnings in Missouri, 2018Every tornado warning in 2018Tornadoes in 2018

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.