Alert archive / Missouri / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 78, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 15, 1999, 10:09 AM CDT for Reynolds 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
- May 15, 1999, 10:09 AM CDT (15:09 UTC)
- Expired
- May 15, 1999, 10:55 AM CDT
- In force
- 46 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Reynolds County, MO
The radar
The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 15:11 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 3.2 hours before the alert went out and 256 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
- 1203 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 287 m²/s²
- 0-3 km storm-relative helicity
- 348 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KSTL 151510 RRA SVRSTL MOC179-151555- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1009 AM CDT SAT MAY 15 1999 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN REYNOLDS COUNTY IN SOUTHEASTERN MISSOURI * UNTIL 1055 AM CDT * AT 1005 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF CENTERVILLE... MOVING NORTHEAST AT 25 MPH. * LOCATIONS THAT WILL BE AFFECTED... REYNOLDS CENTERVILE CORRIDON LESTERVILLE IT APPEARS THAT HAIL UP TO ONE INCH IN DIAMETER COULD BE CONTAINED IN THIS STORM. THE PRIMARY SEVERE WEATHER THREAT IS DAMAGING HAIL. LARGE HAIL CAN CAUSE EXTENSIVE PROPERTY DAMAGE AN SERIOUS INJURY TO PEOPLE CAUGHT OUTDOORS. MOVE INSIDE A STURDY BUILDING IMMEDIATELY. JP/MB
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 15, 6:40 AM CDT, 3 hours 29 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-151630- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 640 AM CDT SAT MAY 15 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 CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE ENTIRE AREA TODAY AND TONIGHT. HOWEVER...NONE OF THE THUNDERSTORMS ARE EXPECTED TO BE SEVERE. SPOTTER ACTIVATION IS NOT ANTICIPATED. GLASS
Special weather statement, May 15, 6:40 AM CDT, 3 hours 29 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-151630- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 640 AM CDT SAT MAY 15 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 CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE ENTIRE AREA TODAY AND TONIGHT. HOWEVER...NONE OF THE THUNDERSTORMS ARE EXPECTED TO BE SEVERE. SPOTTER ACTIVATION IS NOT ANTICIPATED. GLASS
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; radar from the NEXRAD Level II archive.