Alert archive / Missouri / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 167, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 22, 2000, 6:33 PM CDT for Calhoun County, Illinois; Lincoln County, Saint Charles County, Missouri. It was in force for 47 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 22, 2000, 6:33 PM CDT (23:33 UTC)
- Expired
- May 22, 2000, 7:20 PM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Calhoun County, IL, Lincoln County, MO, Saint Charles County, MO
The radar
The St Louis radar (KLSX), 35 km from the middle of the area, began a volume at 23:35 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 22, 6:45 PM CDT | Thunderstorm Wind 55 E | Silex, MO | |
| May 22, 6:50 PM CDT | Thunderstorm Wind 53 E | Peruque, MO | Storm spotters reported trees down at Highway B and C. |
| May 22, 7:00 PM CDT | Thunderstorm Wind 53 E | St Charles, MO | Storm spotters reported several trees down. |
| May 22, 7:05 PM CDT | Thunderstorm Wind 55 E | Silex, MO | Thunderstorm wind gusts downed power lines along Highway UU. |
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 22, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.6 hours before the alert went out and 225 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
- 66 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1055 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
078 WUUS53 KLSX 222334 SVRSTL ILC013-MOC113-183-230020- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 633 PM CDT MON MAY 22 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN CALHOUN COUNTY IN SOUTHWESTERN ILLINOIS LINCOLN COUNTY IN EAST CENTRAL MISSOURI ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI * UNTIL 720 PM CDT * AT 628 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORMS 5 MILES NORTHWEST OF WINFIELD AND NEAR NEW HARTFORD...AND 8 MILES WEST OF SILEX. THESE STORMS ARE MOVING EAST SOUTHEAST AT 25 MPH. * LOCATIONS THAT WILL BE AFFECTED... ST CHARLES ORCHARD FARM KAMPVILLE TROY OLD MONROE SILEX OLNEY SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 60 MPH...DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OR YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. WDB
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 5:42 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 48 min |
| May 22, 5:53 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 52 min |
| May 22, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 51 min |
| May 22, 6:45 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 45 min |
| May 22, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Ralls | 44 min |
| May 22, 5:47 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone | 43 min |
| May 22, 6:53 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 52 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2000Severe Thunderstorm Warnings in Illinois, 2000Every severe thunderstorm warning 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.