Alert archive / Missouri / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 101, NWS St. Louis, MO

May 19, 2005Saint Louis County, City of Saint Louis, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 19, 2005, 11:16 PM CDT for Saint Louis County, City of Saint Louis, Missouri. It was in force for 44 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 19, 2005, 11:16 PM CDT (04:16 UTC)
Expired
May 20, 2005, 12:00 AM CDT
In force
44 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

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

The radar

The St Louis radar (KLSX), 29 km from the middle of the area, began a volume at 04:17 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 00:00Z, 4.3 hours before the alert went out and 219 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 00:00Z on 2005-05-20Temperature 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 00:00Z on 2005-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2826 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
125 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 200419
SVRLSX
MOC189-510-200500-
/O.NEW.KLSX.SV.W.0101.050520T0416Z-050520T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1116 PM CDT THU MAY 19 2005

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI
  ST. LOUIS CITY IN EAST CENTRAL MISSOURI

* UNTIL MIDNIGHT CDT

* AT 1112 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED 7 MILES NORTH OF BRIDGETON...OR ABOUT 6 MILES
  NORTHEAST OF ST. CHARLES...AND MOVING SOUTHEAST AT 30 MPH. 
  ALSO...ANOTHER SEVERE THUNDERSTORM WAS OVER LAKE ST. LOUIS...
  MOVING TO THE SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FLORISSANT
  HAZELWOOD
  BERKELEY
  FERGUSON
  DELLWOOD
  COOL VALLEY
  KINLOCH
  JENNINGS
  BELLEFONTAINE NEIGHBORS
  NORTHWOODS

OTHER LOCATIONS THAT WILL BE AFFECTED ARE CHESTERFIELD...CLARKSON 
VALLEY...MANCHESTER AND CREVE COEUR.

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.

LAT...LON 3888 9030 3859 9068 3844 9031 3880 9015

$$
BYRD
2 follow-up statements
000 
WWUS53 KLSX 200442
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1138 PM CDT THU MAY 19 2005

MOC189-510-200500-
/O.CON.KLSX.SV.W.0101.000000T0000Z-050520T0500Z/
ST. LOUIS CITY MO-ST. LOUIS MO-
1138 PM CDT THU MAY 19 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL MIDNIGHT CDT FOR ST.
LOUIS COUNTY AND ST. LOUIS CITY...

AT 1137 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL
OVER KIRKWOOD...MOVING SOUTHEAST AT 35 MPH.

LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...WARSON 
WOODS...WEBSTER GROVES...SHREWSBERRY...RICHMOND HEIGHTS AND SOUTHERN 
SECTIONS OF THE CITY OF ST. LOUIS.

AT 1130 PM...PENNY SIZE HAIL WAS REPORTED BY THE PUBLIC AT HALL 
STREET AND BROADWAY IN THE CITY OF ST. LOUIS.

LAT...LON 3885 9028 3862 9068 3844 9031 3880 9015

$$
BYRD
000 
WWUS53 KLSX 200458
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1157 PM CDT THU MAY 19 2005

MOC189-510-200507-
/O.EXP.KLSX.SV.W.0101.000000T0000Z-050520T0500Z/
ST. LOUIS CITY MO-ST. LOUIS MO-
1157 PM CDT THU MAY 19 2005

...THE SEVERE THUNDERSTORM WARNING FOR ST. LOUIS COUNTY AND ST. 
LOUIS CITY WILL BE ALLOWED TO EXPIRE...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.

LAT...LON 3885 9028 3862 9068 3844 9031 3880 9015

$$
BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 10:55 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren50 min
May 20, 12:19 AM CDTSevere Thunderstorm WarningLSXJefferson28 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2005Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.