Alert archive / Missouri / Tornado Warnings in 2008

Tornado Warning 31, NWS St. Louis, MO

May 27, 2008Saint Louis County, City of Saint Louis, Missouri

NWS St. Louis, MO issued this tornado warning at May 27, 2008, 12:38 PM CDT for Saint Louis County, City of Saint Louis, 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
May 27, 2008, 12:38 PM CDT (17:38 UTC)
Expired
May 27, 2008, 1:05 PM CDT
In force
27 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties City of Saint Louis, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 40 km from the middle of the area, began a volume at 17:37 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 nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.6 hours before the alert went out and 212 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, Lincoln, IL at 12:00Z on 2008-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2008-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
553 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 271739
TORLSX
MOC189-510-271830-
/O.NEW.KLSX.TO.W.0031.080527T1738Z-080527T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1238 PM CDT TUE MAY 27 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI
  NORTHERN ST. LOUIS CITY IN EAST CENTRAL MISSOURI

* UNTIL 130 PM CDT

* AT 1232 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL
  CLOUD NEAR PAGE AVENUE AND INTERSTATE 170 IN WOODSON TERRACE...
  MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BEL-RIDGE...
  KINLOCH...
  GREENDALE...
  COOL VALLEY...
  BEVERLY HILLS...
  NORMANDY...
  HILLSDALE...
  NORTHWOODS...
  UPLANDS PARK...
  JENNINGS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 3877 9017 3871 9020 3869 9020 3867 9019
      3864 9019 3866 9037 3874 9037 3879 9015
TIME...MOT...LOC 1738Z 266DEG 7KT 3870 9034

$$

BRITT
1 follow-up statement
000 
WWUS53 KLSX 271805
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
105 PM CDT TUE MAY 27 2008

MOC189-510-271815-
/O.CAN.KLSX.TO.W.0031.000000T0000Z-080527T1830Z/
ST. LOUIS CITY MO-ST. LOUIS MO-
105 PM CDT TUE MAY 27 2008

...THE TORNADO WARNING FOR EASTERN ST. LOUIS COUNTY AND NORTHERN ST. 
LOUIS CITY IS CANCELLED...

THE ROTATION WITHIN THE STORM WHICH PROMPTED THE WARNING HAS 
WEAKENED AND NO LONGER APPEARED TO BE SEVERE.  

LAT...LON 3877 9017 3871 9020 3869 9020 3867 9019
      3864 9019 3866 9037 3874 9037 3879 9015
TIME...MOT...LOC 1805Z 266DEG 7KT 3870 9027

$$

BRITT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 8:45 PM CDTRiver Flood WarningLSXLincoln25 hr
May 26, 11:06 PM CDTRiver Flood WarningLSXLincoln10 hr
May 27, 5:14 PM CDTAreal Flood AdvisoryLSXMadison, Saint Francois3 hr

Nearby

Tornado Warnings in Missouri, 2008Every tornado warning in 2008Tornadoes in 2008

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.