Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 137, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 22, 1998, 1:27 AM CDT for Clark County, Lewis County, Missouri. It was in force for 63 min. 1 report 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, 1998, 1:27 AM CDT (06:27 UTC)
- Expired
- May 22, 1998, 2:30 AM CDT
- In force
- 63 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Clark County, MO, Lewis County, MO
The radar
The Quad Cities radar (KDVN), 179 km from the middle of the area, began a volume at 06:31 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, 2:00 AM CDT | Thunderstorm Wind 55 | Monticello, MO |
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 21, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 6.5 hours before the alert went out and 184 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2074 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -65 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
796 WUUS1 KSTL 220628 RRA SVRSTL MOC045-111-220730- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 127 AM CDT FRI MAY 22 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLARK COUNTY IN NORTHEASTERN MISSOURI LEWIS COUNTY IN NORTHEASTERN MISSOURI * UNTIL 230 AM CDT * AT 125 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 20 MILES NORTHWEST OF KAHOKA TO EDINA... MOVING SOUTHEAST AT 30 MPH. * LOCATIONS THAT WILL BE AFFECTED... LURAY WYACONDA LA BELLE THIS STORM HAS A HISTORY OF DAMAGING WINDS. MOVE QUICKLY TO A STURDY BUILDING AND STAY AWAY FROM DOORS AND WINDOWS. DM/AMS
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 21, 8:10 PM CDT, 5 hours 17 minutes before
MOZ072>075-084-085-099-220145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 810 PM CDT THU MAY 21 1998 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR A PORTION OF EAST CENTRAL AND SOUTHEAST MISSOURI... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN MISSOURI...CRAWFORD...WASHINGTON...ST. FRANCOIS...STE. GENEVIEVE ...REYNOLDS...IRON...AND MADISON SHOWERS AND THUNDERSTORMS WILL END OVER THIS AREA THIS EVENING. MORE SHOWERS AND THUNDERSTORMS ARE LIKELY AGAIN OVERNIGHT. AMS
Special weather statement, May 21, 8:10 PM CDT, 5 hours 17 minutes before
MOZ072>075-084-085-099-220145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 810 PM CDT THU MAY 21 1998 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR A PORTION OF EAST CENTRAL AND SOUTHEAST MISSOURI... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN MISSOURI...CRAWFORD...WASHINGTON...ST. FRANCOIS...STE. GENEVIEVE ...REYNOLDS...IRON...AND MADISON SHOWERS AND THUNDERSTORMS WILL END OVER THIS AREA THIS EVENING. MORE SHOWERS AND THUNDERSTORMS ARE LIKELY AGAIN OVERNIGHT. AMS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:12 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 48 min |
| May 22, 12:40 AM CDT | Severe Thunderstorm Warning | LSX | Scotland | 60 min |
| May 22, 1:04 AM CDT | Severe Thunderstorm Warning | LSX | Knox | 61 min |
| May 22, 1:20 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 65 min |
| May 22, 1:52 AM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 63 min |
| May 22, 1:57 AM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 63 min |
| May 22, 2:34 AM CDT | Severe Thunderstorm Warning | LSX | Ralls | 61 min |
| May 22, 2:48 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 62 min |
| May 22, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Osage | 49 min |
| May 22, 5:25 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade | 45 min |
| May 22, 5:55 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 50 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1998Every severe thunderstorm warning in 1998
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.