Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 80, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 25, 1997, 7:13 PM CDT for Gasconade County, Missouri. It was in force for 47 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 25, 1997, 7:13 PM CDT (00:13 UTC)
- Expired
- May 25, 1997, 8:00 PM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Gasconade County, MO
The radar
The St Louis radar (KLSX), 77 km from the middle of the area, began a volume at 00:15 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 00:00Z, 0.2 hours before the alert went out and 265 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
- 418 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1632 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
710 WUUS1 KSTL 260014 RRA SVRSTL MOC073-260100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 713 PM CDT SUN MAY 25 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MISSOURI ...GASCONADE COUNTY AT 712 PM...WEATHER SERVICE RADAR INDICATED THE SEVERE THUNDERSTORM OVER EASTERN OSAGE COUNTY WAS BEGINNING TO ENTER WESTERN GASCONADE COUNTY. THE STORM CONTINUED MOVING EAST AT 35 MPH. MOUNT STERLING... DRAKE...AND OWENVILLE...AND ROSEBUD ARE IN THE PATH OF THIS STORM. THIS IS A DANGEROUS STORM BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. TRUETT/WORK
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:14 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Louis | 46 min |
| May 25, 7:36 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 54 min |
| May 25, 7:49 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 56 min |
| May 25, 8:12 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Warren | 33 min |
| May 25, 8:18 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Washington | 42 min |
| May 25, 8:46 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 44 min |
| May 25, 9:24 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 51 min |
| May 25, 10:47 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 43 min |
| May 26, 3:15 AM CDT | Flash Flood Warning | LSX | Cole, Osage | 3 hr |
| May 26, 4:43 AM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 47 min |
| May 26, 2:29 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 31 min |
| May 26, 5:39 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 51 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1997Every severe thunderstorm warning in 1997
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.