Alert archive / Missouri / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 47, NWS St. Louis, MO

May 24, 2004Jersey County, Illinois; 7 counties in Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 24, 2004, 11:58 PM CDT for Jersey County, Illinois; 7 counties in Missouri. It was in force for 62 min. 6 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: May 24, 2004, 11:58 PM CDT (04:58 UTC)
Expired: May 25, 2004, 1:00 AM CDT
In force: 62 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

Counties Jersey County, IL, City of Saint Louis, MO, Franklin County, MO, Gasconade County, MO, Osage County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 26 km from the middle of the area, began a volume at 04:59 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
May 25, 12:00 AM CDT	TSTM WND DMG	3 E Jerseyville, IL	TREES AND POWER LINES DOWN ON HIGHWAY 16.
May 25, 12:10 AM CDT	TSTM WND DMG	St. Charles, MO	SEVERAL TREES BLOWN ONTO HOUSES BY HIGH WINDS
May 25, 12:10 AM CDT	TSTM WND GST 58	5 Nw St. Charles, MO
May 25, 12:15 AM CDT	TSTM WND DMG	Chesterfield, MO	NUMEROUS TREES DOWN.
May 25, 12:30 AM CDT	TSTM WND DMG	2 W Ballwin, MO	TREES DOWN.
May 25, 12:35 AM CDT	TSTM WND DMG	Creve Coeur, MO	SEVERAL TREES DOWN.

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
May 24, 10:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 262 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: 150 J/kg
Mixed-layer CIN: -246 J/kg
Mixed-layer LCL: 1872 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 112 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.

194 
WUUS53 KLSX 250458
SVRLSX
ILC083-MOC071-073-151-183-189-219-510-250600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1158 PM CDT MON MAY 24 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OSAGE COUNTY IN CENTRAL MISSOURI
  FRANKLIN COUNTY IN EAST CENTRAL MISSOURI
  GASCONADE COUNTY IN EAST CENTRAL MISSOURI
  ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI
  ST. LOUIS CITY IN EAST CENTRAL MISSOURI
  WARREN COUNTY IN EAST CENTRAL MISSOURI
  EASTERN JERSEY COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 100 AM CDT

* AT 1158 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM JERSEYVILLE TO 10 MILES NORTHWEST
  OF RICH FOUNTAIN...MOVING SOUTHEAST AT 20 MPH. THE PRIMARY THREAT
  FROM THIS LINE OF STORMS WILL BE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  WENTZVILLE
  LINN
  TRELOAR
  ST. PAUL
  GRAFTON
  NEW HAVEN
  LAKE ST. LOUIS
  RICH FOUNTAIN
  NEW MELLE
  MOUNT STERLING

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 3859 9204 3871 9141 3882 9129 3893 9070
          3887 9056 3916 9034 3895 9018 3864 9019
          3851 9042 3846 9079 3835 9095 3822 9181

$$

FG/JC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 10:01 PM CDT	Tornado Warning	LSX	Adams, Pike	59 min
May 24, 10:12 PM CDT	Severe Thunderstorm Warning	LSX	Adams	48 min
May 24, 10:22 PM CDT	Severe Thunderstorm Warning	LSX	Brown	53 min
May 24, 10:52 PM CDT	Tornado Warning	LSX	Pike	53 min
May 24, 11:06 PM CDT	Tornado Warning	LSX	Adams	24 min
May 24, 11:21 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	39 min
May 24, 11:26 PM CDT	Severe Thunderstorm Warning	LSX	Greene	64 min
May 24, 11:48 PM CDT	Severe Thunderstorm Warning	LSX	Jersey, Macoupin	57 min
May 25, 12:04 AM CDT	Severe Thunderstorm Warning	LSX	Madison	56 min
May 25, 12:09 AM CDT	Severe Thunderstorm Warning	LSX	Montgomery	66 min
May 25, 12:43 AM CDT	Severe Thunderstorm Warning	LSX	Monroe	47 min
May 25, 12:44 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Saint Clair	61 min
May 25, 1:17 AM CDT	Severe Thunderstorm Warning	LSX	Marion, Washington	43 min
May 25, 1:54 PM CDT	Severe Thunderstorm Warning	LSX	Madison	51 min
May 25, 1:57 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	48 min
May 25, 2:42 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	63 min
May 25, 3:21 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Saint Clair, Washington	54 min
May 25, 3:47 PM CDT	Severe Thunderstorm Warning	LSX	Marion	43 min
May 25, 4:04 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	56 min
May 25, 4:13 PM CDT	Severe Thunderstorm Warning	LSX	Washington	32 min
May 25, 4:28 PM CDT	Tornado Warning	LSX	Randolph	47 min
May 25, 5:16 PM CDT	Flash Flood Warning	LSX	Monroe	5 hr
May 24, 7:54 PM CDT	Tornado Warning	LSX	Shelby	66 min
May 24, 8:44 PM CDT	Tornado Warning	LSX	Shelby	46 min
May 24, 9:10 PM CDT	Tornado Warning	LSX	Marion	65 min
May 24, 9:30 PM CDT	Severe Thunderstorm Warning	LSX	Shelby	45 min
May 24, 9:35 PM CDT	Flash Flood Warning	LSX	Shelby	6 hr
May 24, 9:51 PM CDT	Severe Thunderstorm Warning	LSX	Monroe	24 min
May 24, 10:05 PM CDT	Severe Thunderstorm Warning	LSX	Ralls	40 min
May 24, 10:11 PM CDT	Severe Thunderstorm Warning	LSX	Monroe	49 min
May 24, 10:17 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Shelby	58 min
May 24, 10:30 PM CDT	Tornado Warning	LSX	Marion	60 min
May 24, 10:35 PM CDT	Flash Flood Warning	LSX	Marion	5 hr
May 24, 10:35 PM CDT	Tornado Warning	LSX	Ralls	25 min
May 24, 10:51 PM CDT	Severe Thunderstorm Warning	LSX	Pike	39 min
May 25, 6:27 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade	48 min
May 25, 12:53 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Montgomery	52 min
May 25, 1:25 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles, Warren	65 min
May 25, 2:05 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	40 min
May 25, 2:13 PM CDT	Severe Thunderstorm Warning	LSX	Gasconade, Osage	47 min
May 25, 2:47 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	28 min
May 25, 3:16 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Washington	59 min
May 25, 3:30 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	45 min
May 25, 3:42 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	33 min
May 25, 4:06 PM CDT	Tornado Warning	LSX	Sainte Genevieve	24 min
May 25, 4:17 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade	58 min
May 25, 4:29 PM CDT	Severe Thunderstorm Warning	LSX	Iron	46 min
May 25, 4:58 PM CDT	Flash Flood Warning	LSX	Jefferson	3 hr
May 25, 5:11 PM CDT	Severe Thunderstorm Warning	LSX	Madison	34 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2004 Severe Thunderstorm Warnings in Illinois, 2004 Every severe thunderstorm warning in 2004

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.