Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 84, NWS Paducah, KY

September 6, 2012Bollinger County, Missouri

NWS Paducah, KY issued this tornado warning at Sep 6, 2012, 5:09 PM CDT for Bollinger County, Missouri. It was in force for 36 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
Sep 6, 2012, 5:09 PM CDT (22:09 UTC)
Expired
Sep 6, 2012, 5:45 PM CDT
In force
36 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

County Bollinger County, MO

The radar

The Paducah radar (KPAH), 114 km from the middle of the area, began a volume at 22:11 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.

IssuedProductOfficeLasted
Sep 6, 12:28 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.2 hours before the alert went out and 289 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 2012-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2411 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 12:00Z on 2012-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
2411 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
1359 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
-14 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

561 
WFUS53 KPAH 062209
TORPAH
MOC017-062245-
/O.NEW.KPAH.TO.W.0084.120906T2209Z-120906T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
509 PM CDT THU SEP 6 2012

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL BOLLINGER COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 545 PM CDT.

* AT 506 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
  MARQUAND...OR 10 MILES NORTHWEST OF MARBLE HILL...MOVING EAST AT 35
  MPH.

* LOCATIONS IN THE WARNED AREA INCLUDE...
  PATTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3748 8987 3731 8987 3735 9013 3751 9013
TIME...MOT...LOC 2209Z 271DEG 30KT 3740 9007

$$
PS
1 follow-up statement
560 
WWUS53 KPAH 062231
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
531 PM CDT THU SEP 6 2012

MOC017-062245-
/O.CON.KPAH.TO.W.0084.000000T0000Z-120906T2245Z/
BOLLINGER MO-
531 PM CDT THU SEP 6 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL BOLLINGER 
COUNTY IN SOUTHEAST MISSOURI UNTIL 545 PM CDT...

AT 529 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
PRODUCING A TORNADO.  THIS DANGEROUS STORM WAS LOCATED 5 MILES EAST
OF PATTON...OR 9 MILES NORTH OF MARBLE HILL...MOVING EAST AT 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3734 9004 3750 9005 3748 8987 3731 8987
TIME...MOT...LOC 2231Z 271DEG 30KT 3744 8992

$$
PS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 4:00 AM CDTDense Fog AdvisoryPAHBollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more5 hr
Sep 6, 4:08 PM CDTSevere Thunderstorm WarningPAHCarter, Ripley, Wayne37 min
Sep 6, 4:42 PM CDTSevere Thunderstorm WarningPAHBollinger, Butler, Carter, Ripley, Stoddard, Wayne48 min
Sep 6, 5:02 PM CDTSevere Thunderstorm WarningPAHBollinger28 min
Sep 6, 5:21 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, New Madrid, Scott, Stoddard39 min
Sep 6, 5:25 PM CDTTornado WarningPAHBollinger, Cape Girardeau35 min
Sep 6, 5:42 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Mississippi, New Madrid, Scott, Stoddard48 min
Sep 6, 5:42 PM CDTTornado WarningPAHScott16 min
Sep 6, 6:08 PM CDTSevere Thunderstorm WarningPAHMississippi52 min

Nearby

Tornado Warnings in Missouri, 2012Every tornado warning in 2012Tornadoes in 2012

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.