Alert archive / Missouri / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 331, NWS St. Louis, MO

November 27, 2005Jefferson County, Saint Francois County, Washington County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Nov 27, 2005, 10:16 PM CST for Jefferson County, Saint Francois County, Washington County, Missouri. It was in force for 44 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Nov 27, 2005, 10:16 PM CST (04:16 UTC)
Expired: Nov 27, 2005, 11:00 PM CST
In force: 44 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

Counties Jefferson County, MO, Saint Francois County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 71 km from the middle of the area, began a volume at 04:20 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.

What was reported inside it

Time	Report	Where	Remark
Nov 27, 10:36 PM CST	TSTM WND DMG	De Soto, MO	LARGE TREE LIMBS DOWN.
Nov 27, 10:48 PM CST	TSTM WND DMG	3 S De Soto, MO	TREE DOWN ACROSS ROUTE V.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 27, 8:28 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.3 hours before the alert went out and 291 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: 486 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 301 m²/s²
0-3 km storm-relative helicity: 278 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.

000 
WUUS53 KLSX 280417
SVRLSX
MOC099-187-221-280500-
/O.NEW.KLSX.SV.W.0331.051128T0416Z-051128T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1016 PM CST SUN NOV 27 2005

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN EAST CENTRAL MISSOURI
  EASTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI
  NORTHWESTERN ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI

* UNTIL 1100 PM CST

* AT 1015 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING WINDS IN EXCESS OF 80 MPH.
   THIS STORM WAS LOCATED NEAR IRONDALE...OR ABOUT NEAR LEADWOOD...
  AND MOVING NORTH AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BONNE TERRE
  DE SOTO
  OLYMPIAN VILLAGE
  HILLSBORO
  FESTUS
  ANTONIA
  BARNHART
  PEVELY
  HERCULANEUM

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

TO REPORT SEVERE WEATHER...CALL THE NEAREST LAW ENFORCEMENT AGENCY
AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN ST LOUIS.

LAT...LON 3782 9082 3777 9061 3839 9033 3849 9060

$$

TRUETT

2 follow-up statements

000 
WWUS53 KLSX 280434
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1034 PM CST SUN NOV 27 2005

MOC187-221-280444-
/O.CAN.KLSX.SV.W.0331.000000T0000Z-051128T0500Z/
ST. FRANCOIS MO-WASHINGTON MO-
1034 PM CST SUN NOV 27 2005

...THE SEVERE THUNDERSTORM WARNING FOR WASHINGTON AND ST. FRANCOIS
COUNTIES IS CANCELLED...

LAT...LON 3811 9071 3798 9062 3805 9043 3839 9033
      3849 9060

$$

MOC099-280500-
/O.CON.KLSX.SV.W.0331.000000T0000Z-051128T0500Z/
JEFFERSON MO-
1034 PM CST SUN NOV 27 2005

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CST
FOR JEFFERSON COUNTY...

AT 1030 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 80 MPH OVER VALLES MILL...MOVING NORTH AT 60 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
VICTORIA...HEMATITE...MAPAVILLE...HILLSBORO...ANTONIA AND OTTO.

TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

LAT...LON 3811 9071 3798 9062 3805 9043 3839 9033
      3849 9060

$$

TRUETT

000 
WWUS53 KLSX 280501
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1101 PM CST SUN NOV 27 2005

MOC099-280511-
/O.EXP.KLSX.SV.W.0331.000000T0000Z-051128T0500Z/
JEFFERSON MO-
1101 PM CST SUN NOV 27 2005

...THE SEVERE THUNDERSTORM WARNING FOR JEFFERSON COUNTY HAS
EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH 
REMAINS IN EFFECT UNTIL 2AM.

LAT...LON 3811 9071 3798 9062 3805 9043 3839 9033
      3849 9060

$$

TRUETT

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 27, 8:28 PM CST	Tornado Warning	LSX	Iron, Reynolds	32 min
Nov 27, 8:57 PM CST	Tornado Warning	LSX	Iron, Reynolds, Saint Francois, Washington	48 min
Nov 27, 9:20 PM CST	Tornado Warning	LSX	Reynolds	25 min
Nov 27, 9:45 PM CST	Severe Thunderstorm Warning	LSX	Jefferson	45 min
Nov 27, 9:47 PM CST	Tornado Warning	LSX	Iron, Reynolds, Saint Francois, Washington	28 min
Nov 27, 10:14 PM CST	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	25 min
Nov 27, 10:52 PM CST	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	38 min
Nov 27, 11:10 PM CST	Tornado Warning	LSX	Saint Charles, Saint Louis, City of Saint Louis	32 min
Nov 28, 12:33 AM CST	Severe Thunderstorm Warning	LSX	Sainte Genevieve	27 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2005 Every severe thunderstorm warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.