Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 78, NWS Paducah, KY

September 1, 2012New Madrid County, Stoddard County, Missouri

NWS Paducah, KY issued this tornado warning at Sep 1, 2012, 5:33 PM CDT for New Madrid County, Stoddard County, Missouri. It was in force for 27 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, 5:33 PM CDT (22:33 UTC)
Expired
Sep 1, 2012, 6:00 PM CDT
In force
27 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

Counties New Madrid County, MO, Stoddard County, MO

The radar

The Paducah radar (KPAH), 88 km from the middle of the area, began a volume at 22:33 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, 10.6 hours before the alert went out and 217 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.

680 
WFUS53 KPAH 012233
TORPAH
MOC143-207-012300-
/O.NEW.KPAH.TO.W.0078.120901T2233Z-120901T2300Z/

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

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN NEW MADRID COUNTY IN SOUTHEAST MISSOURI...
  SOUTHEASTERN STODDARD COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 600 PM CDT.

* AT 529 PM CDT...RADAR DETECTED A SEVERE THUNDERSTORM WITH A HISTORY
  OF PRODUCING TORNADOES. THIS DANGEROUS STORM WAS LOCATED NEAR
  PARMA...OR 7 MILES EAST OF BERNIE...MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IN THE WARNED AREA INCLUDE...
  CANALOU...MOREHOUSE...MATTHEWS...FARRENBURG AND BAKER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3685 8970 3687 8953 3669 8939 3661 8987
      3672 8990
TIME...MOT...LOC 2233Z 236DEG 28KT 3668 8981

$$
PS

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, 5:50 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Mississippi, Scott, Stoddard25 min
Sep 1, 6:00 PM CDTFlash Flood WarningPAHButler3 hr
Sep 1, 6:06 PM CDTTornado WarningPAHMississippi, New Madrid, Scott24 min
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.