Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 85, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 25, 1997, 8:18 PM CDT for Crawford County, Washington County, Missouri. It was in force for 42 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, 8:18 PM CDT (01:18 UTC)
- Expired
- May 25, 1997, 9:00 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Crawford County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 89 km from the middle of the area, began a volume at 01:20 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, 1.3 hours before the alert went out and 267 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.
168 WUUS1 KSTL 260120 RRA SVRSTL MOC055-221-260200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 818 PM CDT SUN MAY 25 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...NORTHEASTERN CRAWFORD COUNTY...WASHINGTON COUNTY AT 817 PM...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM DEVELOPING OVER NORTHEAST CRAWFORD COUNTY...NEAR BOURBON. THE STORM WAS MOVING EAST SOUTHEAST AT 30 MPH. TOWNS IN THE PATH OF THIS STORM INCLUDE ANTHONIES MILL...RICHWOODS...AND POTOSI. THIS IS A DANGEROUS STORM BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. TRUETT/GKS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:13 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade | 47 min |
| 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, 8:46 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.