Alert archive / Missouri / Tornado Warnings in 2000
Tornado Warning 19, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 18, 2000, 7:34 PM CDT for Iron County, Madison County, Missouri. It was in force for 41 min. 3 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 18, 2000, 7:34 PM CDT (00:34 UTC)
- Expired
- May 18, 2000, 8:15 PM CDT
- In force
- 41 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Iron County, MO, Madison County, MO
The radar
The St Louis radar (KLSX), 146 km from the middle of the area, began a volume at 00:33 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 18, 8:14 PM CDT | Thunderstorm Wind 55 E | Jewett, MO | |
| May 18, 8:16 PM CDT | Thunderstorm Wind 55 E | Saco, MO | |
| May 18, 8:25 PM CDT | Thunderstorm Wind 55 E | Marquand, MO | Thunderstorm wind gusts downed trees in the Marquand area. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 18, 3:00 PM CDT | Tornado Watch | SPC | 6 hr |
| May 18, 6:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 0.6 hours before the alert went out and 289 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.
- Mixed-layer CAPE
- 1359 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
357 WFUS53 KLSX 190038 COR TORSTL MOC093-123-190115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING...CORRECTED FOR LOCATION NATIONAL WEATHER SERVICE ST LOUIS MO 734 PM CDT THU MAY 18 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... MADISON COUNTY IN SOUTHEAST MISSOURI SOUTHERN IRON COUNTY IN SOUTHEAST MISSOURI * UNTIL 815 PM CDT * AT 731 PM CDT...AREA LAW ENFORCEMENT REPORTED A TORNADO BETWEEN VULCAN AND ANNAPOLIS...MOVING EAST AT 30 MPH. * LOCATIONS IN THE PATH... MARQUAND BEULAH SACO JEWETT ZION IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW A BASEMENT OFFERS THE BEST PROTECTION. IF A BASEMENT IS NOT AVAILABLE...MOVE TO THE LOWEST FLOOR AND SEEK SHELTER IN A SMALL INTERIOR ROOM. STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. MOBILE HOMES SHOULD BE ABANDONED IN FAVOR OF A MORE SUBSTANTIAL STRUCTURE. DO NOT TRY TO OUTRUN A TORNADO IN A VEHICLE. LAT...LON 3743 9069 3726 9065 3732 9012 3754 9017
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:08 PM CDT | Severe Thunderstorm Warning | LSX | Iron | 37 min |
| May 18, 8:13 PM CDT | Tornado Warning | LSX | Madison | 17 min |
Nearby
Tornado Warnings in Missouri, 2000Every tornado warning in 2000Tornadoes in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.