Alert archive / Illinois / Tornado Warnings in 2004

Tornado Warning 9, NWS St. Louis, MO

May 24, 2004Pike County, Illinois

NWS St. Louis, MO issued this tornado warning at May 24, 2004, 10:52 PM CDT for Pike County, Illinois. It was in force for 53 min. 4 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, 10:52 PM CDT (03:52 UTC)
Expired: May 24, 2004, 11:45 PM CDT
In force: 53 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Pike County, IL

The radar

The St Louis radar (KLSX), 110 km from the middle of the area, began a volume at 03:51 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 24, 11:10 PM CDT	TSTM WND DMG	New Canton, IL	SEVERAL LARGE TREES DOWN.
May 24, 11:20 PM CDT	TSTM WND DMG	Detroit, IL	SEVERAL LARGE TREES DOWN.
May 24, 11:20 PM CDT	TSTM WND DMG	Griggsville, IL	TREES DOWN.
May 24, 11:20 PM CDT	TSTM WND DMG	Rockport, IL	LARGE TREE DOWN AND BLOCKING DRIVEWAY

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

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.9 hours before the alert went out and 214 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.

876 
WFUS53 KLSX 250352
TORLSX
ILC149-250445-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1051 PM CDT MON MAY 24 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  PIKE COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 1145 PM CDT

* AT 1051 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 9 MILES SOUTHWEST OF HULL.
  THE STORM WAS MOVING EAST AT 45 MPH. THIS STORM HAS A HISTORY OF
  PRODUCING TORNADOES AND MAY PRODUCE ADDITIONAL TORNADOES AT ANY
  TIME

* LOCATIONS IMPACTED INCLUDE...
  NEW CANTON
  ROCKPORT
  EL DARA
  NEW HARTFORD
  SUMMER HILL
  MARTINSBURG
  INDEPENDENCE
  TIME
  MILTON

THIS IS AN EXTREMELY DANGEROUS AND LIFE-THREATENING SITUATION. MOVE
IMMEDIATELY TO A BASEMENT OR BELOW GROUND SHELTER. IF UNDERGROUND
SHELTER IS NOT AVAILABLE...TAKE COVER ON THE LOWEST FLOOR OF A STURDY
BUILDING OR HOME IN A SMALL INTERIOR ROOM...SUCH AS A CLOSET OR
HALLWAY. HIDE UNDER A MATRESS OR USE BLANKETS OR PILLOWS TO COVER
YOUR BODY.

IT IS OFTEN IMPOSSIBLE TO SEE A TORNADO AT NIGHT. DO NOT WAIT...TAKE
COVER NOW

LAT...LON 3974 9137 3955 9115 3940 9061 3984 9063

$$

BRITT

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, 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 24, 11:58 PM CDT	Severe Thunderstorm Warning	LSX	Jersey	62 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

Nearby

Tornado Warnings in Illinois, 2004 Every tornado warning in 2004 Tornadoes 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.