Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 79, NWS Paducah, KY

September 1, 2012Mississippi County, New Madrid County, Scott County, Missouri

NWS Paducah, KY issued this tornado warning at Sep 1, 2012, 6:06 PM CDT for Mississippi County, New Madrid County, Scott County, Missouri. 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
Sep 1, 2012, 6:06 PM CDT (23:06 UTC)
Expired
Sep 1, 2012, 6:30 PM CDT
In force
24 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

Counties Mississippi County, MO, New Madrid County, MO, Scott County, MO

The radar

The Paducah radar (KPAH), 61 km from the middle of the area, began a volume at 23:09 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 1, 1:19 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.1 hours before the alert went out and 236 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 2012-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1827 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 2012-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 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
1827 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
551 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
-2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

040 
WFUS53 KPAH 012306
TORPAH
MOC133-143-201-012330-
/O.NEW.KPAH.TO.W.0079.120901T2306Z-120901T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
606 PM CDT SAT SEP 1 2012

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN MISSISSIPPI COUNTY IN SOUTHEAST MISSOURI...
  NORTH CENTRAL NEW MADRID COUNTY IN SOUTHEAST MISSOURI...
  SOUTHEASTERN SCOTT COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 630 PM CDT.

* AT 604 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF 
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED JUST SOUTH
  OF SIKESTON...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNED AREA INCLUDE...
  CHARLESTON...BERTRAND AND DIEHLSTADT.

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 3702 8936 3689 8925 3679 8956 3684 8960
TIME...MOT...LOC 2306Z 237DEG 29KT 3684 8955

$$
1 follow-up statement
916 
WWUS53 KPAH 012315
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
615 PM CDT SAT SEP 1 2012

MOC143-012325-
/O.CAN.KPAH.TO.W.0079.000000T0000Z-120901T2330Z/
NEW MADRID MO-
615 PM CDT SAT SEP 1 2012

...THE TORNADO WARNING FOR NORTH CENTRAL NEW MADRID COUNTY IN
SOUTHEAST MISSOURI IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3702 8936 3693 8929 3686 8951 3689 8954
TIME...MOT...LOC 2315Z 237DEG 29KT 3690 8949

$$

MOC133-201-012330-
/O.CON.KPAH.TO.W.0079.000000T0000Z-120901T2330Z/
MISSISSIPPI MO-SCOTT MO-
615 PM CDT SAT SEP 1 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN SCOTT AND
NORTHWESTERN MISSISSIPPI COUNTIES IN SOUTHEAST MISSOURI UNTIL 630 PM
CDT...

AT 613 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
PRODUCING A TORNADO.  THIS DANGEROUS STORM WAS LOCATED NEAR MINER...
MOVING NORTHEAST 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 3702 8936 3693 8929 3686 8951 3689 8954
TIME...MOT...LOC 2315Z 237DEG 29KT 3690 8949

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 3:14 PM CDTTornado WarningPAHButler, Carter, Ripley, Wayne31 min
Sep 1, 4:23 PM CDTTornado WarningPAHButler37 min
Sep 1, 4:36 PM CDTTornado WarningPAHButler, Stoddard24 min
Sep 1, 4:58 PM CDTTornado WarningPAHStoddard47 min
Sep 1, 5:04 PM CDTTornado WarningPAHNew Madrid, Stoddard41 min
Sep 1, 5:25 PM CDTTornado WarningPAHScott, Stoddard35 min
Sep 1, 5:29 PM CDTTornado WarningPAHCape Girardeau31 min
Sep 1, 5:33 PM CDTTornado WarningPAHNew Madrid, Stoddard27 min
Sep 1, 5:50 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Mississippi, Scott, Stoddard25 min
Sep 1, 6:00 PM CDTFlash Flood WarningPAHButler3 hr
Sep 1, 6:29 PM CDTSevere Thunderstorm WarningPAHMississippi, Scott31 min
Sep 1, 6:42 PM CDTTornado WarningPAHMississippi33 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.