Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 32, NWS Paducah, KY

April 15, 2011Perry County, Missouri; Jackson County, Illinois

NWS Paducah, KY issued this tornado warning at Apr 15, 2011, 5:01 PM CDT for Perry County, Missouri; Jackson County, Illinois. 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: Apr 15, 2011, 5:01 PM CDT (22:01 UTC)
Expired: Apr 15, 2011, 5:30 PM CDT
In force: 29 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon

Counties Jackson County, IL, Perry County, MO

The radar

The Paducah radar (KPAH), 101 km from the middle of the area, began a volume at 22:02 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 15, 12:47 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.0 hours before the alert went out and 269 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1776 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

728 
WFUS53 KPAH 152201
TORPAH
ILC077-MOC157-152230-
/O.NEW.KPAH.TO.W.0032.110415T2201Z-110415T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
501 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEAST MISSOURI...
  JACKSON COUNTY IN SOUTHERN ILLINOIS...

* UNTIL 530 PM CDT.

* AT 457 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR ALTENBURG...MOVING
  NORTHEAST AT 45 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  ALTENBURG...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NOW IS THE TIME TO IMPLEMENT YOUR TORNADO PLAN OF ACTION. SEEK
SHELTER INDOORS IN A BASEMENT...OR IN AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A HOME OR BUILDING.

&&

LAT...LON 3786 8922 3759 8959 3765 8968 3796 8942
      3795 8939
TIME...MOT...LOC 2201Z 216DEG 38KT 3766 8959

$$

1 follow-up statement

332 
WWUS53 KPAH 152215
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
515 PM CDT FRI APR 15 2011

ILC077-MOC157-152230-
/O.CON.KPAH.TO.W.0032.000000T0000Z-110415T2230Z/
JACKSON IL-PERRY MO-
515 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR JACKSON
COUNTY IN SOUTHERN ILLINOIS...AND EAST CENTRAL PERRY COUNTY IN
SOUTHEAST MISSOURI...

AT 511 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED
NEAR GORHAM...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE VERGENNES.

LAT...LON 3766 8951 3772 8961 3795 8942 3795 8939
      3786 8922
TIME...MOT...LOC 2215Z 216DEG 38KT 3778 8948

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 3:43 PM CDT	Severe Thunderstorm Warning	PAH	Wayne	17 min
Apr 15, 4:16 PM CDT	Severe Thunderstorm Warning	PAH	Bollinger, Cape Girardeau	29 min
Apr 15, 4:25 PM CDT	Severe Thunderstorm Warning	PAH	Cape Girardeau, Perry	35 min
Apr 15, 4:26 PM CDT	Severe Thunderstorm Warning	PAH	Stoddard	34 min
Apr 15, 4:28 PM CDT	Severe Thunderstorm Warning	PAH	Cape Girardeau, Scott	32 min
Apr 15, 4:47 PM CDT	Tornado Warning	PAH	Cape Girardeau, Scott	19 min
Apr 15, 4:52 PM CDT	Severe Thunderstorm Warning	PAH	Cape Girardeau	23 min
Apr 15, 5:07 PM CDT	Areal Flood Advisory	PAH	Cape Girardeau	3 hr
Apr 15, 5:17 PM CDT	Severe Thunderstorm Warning	PAH	Cape Girardeau	28 min
Apr 15, 5:35 PM CDT	Areal Flood Advisory	PAH	Mississippi, Scott	3 hr
Apr 15, 4:45 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	30 min
Apr 15, 5:12 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Pulaski	33 min
Apr 15, 5:20 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jackson, Jefferson, Perry, Williamson	25 min
Apr 15, 5:21 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Massac, Pope	24 min
Apr 15, 5:27 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pope	13 min
Apr 15, 5:30 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Pulaski, Union	30 min
Apr 15, 5:40 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jackson, Jefferson, Perry, Saline, Williamson	50 min
Apr 15, 6:02 PM CDT	Severe Thunderstorm Warning	PAH	Hamilton, Wayne, White	43 min
Apr 15, 6:17 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Massac, Pope	28 min
Apr 15, 6:24 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pulaski	21 min
Apr 15, 6:26 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Saline, Williamson	34 min
Apr 15, 6:45 PM CDT	Severe Thunderstorm Warning	PAH	Hardin, Johnson, Massac, Pope	30 min

Nearby

Tornado Warnings in Missouri, 2011 Tornado Warnings in Illinois, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.