Alert archive / Missouri / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 9, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jan 21, 1999, 1:04 PM CST for Monroe County, Missouri. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 21, 1999, 1:04 PM CST (19:04 UTC)
- Expired
- Jan 21, 1999, 1:50 PM CST
- In force
- 46 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Monroe County, MO
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 7.1 hours before the alert went out and 268 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
- 694 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KSTL 211902 RRA SVRSTL MOC137-211950- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 104 PM CST THU JAN 21 1999 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONROE COUNTY MISSOURI IN NORTHEASTERN MISSOURI * UNTIL 150 PM CST * AT WESTERN AUDRAIN COUNTY...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WESTERN AUDRAIN COUNTY... MOVING NORTHEAST 30 TO 35 MPH. * LOCATIONS THAT WILL BE AFFECTED... PARIS AT 115 PM CST 1 INCH TO GOLFBALL SIZE HAIL REPORTED IN HALLSVILLE AND STURGEON AT 1250 PM CST THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWAY FROM WINDOWS. RP/DB &
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, Jan 21, 9:50 AM CST, 3 hours 14 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-052-085-027-047- 051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095- 064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074- MOZ065-221200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 950 AM CST THU JAN 21 1999 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE IN ST. LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND EAST CENTRAL MISSOURI...AND SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT ACROSS SOUTHERN SECTIONS OF THE COUNTY WARNING AREA...GENERALLY SOUTH OF A LINE FROM JEFFERSON CITY TO BELLEVILLE. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECASTS...AND MONITOR LATER WEATHER INFORMATION FOR POSSIBLE SKYWARN ACTION. GKS
Special weather statement, Jan 21, 10:16 AM CST, 2 hours 48 minutes before
MOZ063-211635- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1016 AM CST THU JAN 21 1999 ...TEST....TEST....TEST....
Special weather statement, Jan 21, 10:17 AM CST, 2 hours 47 minutes before
MOZ062-211635- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1017 AM CST THU JAN 21 1999 TEST...TEST....TEST...THIS IS A TEST// RP
Special weather statement, Jan 21, 10:25 AM CST, 2 hours 39 minutes before
MOZ062-211645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1025 AM CST THU JAN 21 1999 THIS IS A TEST.....THIS IS A TEST....THIS IS A TEST... THIS IS ONLY A TEST... RP
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 9:56 AM CST | Severe Thunderstorm Warning | LSX | Osage | 49 min |
| Jan 21, 10:13 AM CST | Severe Thunderstorm Warning | LSX | Gasconade | 47 min |
| Jan 21, 10:39 AM CST | Severe Thunderstorm Warning | LSX | Moniteau | 46 min |
| Jan 21, 11:04 AM CST | Severe Thunderstorm Warning | LSX | Montgomery | 46 min |
| Jan 21, 11:43 AM CST | Severe Thunderstorm Warning | LSX | Lincoln | 47 min |
| Jan 21, 11:45 AM CST | Severe Thunderstorm Warning | LSX | Boone | 45 min |
| Jan 21, 12:01 PM CST | Severe Thunderstorm Warning | LSX | Audrain, Monroe | 49 min |
| Jan 21, 12:51 PM CST | Severe Thunderstorm Warning | LSX | Audrain, Boone | 34 min |
| Jan 21, 1:11 PM CST | Severe Thunderstorm Warning | LSX | Madison, Saint Francois | 49 min |
| Jan 21, 5:41 PM CST | Severe Thunderstorm Warning | LSX | Madison | 49 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.