Alert archive / Missouri / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 90, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 18, 1995, 11:37 AM CDT for Jefferson County, Missouri. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- May 18, 1995, 11:37 AM CDT (16:37 UTC)
- Expired
- May 18, 1995, 12:45 PM CDT
- In force
- 68 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Jefferson County, MO
The radar
The St Louis radar (KLSX), 50 km from the middle of the area, began a volume at 16:38 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
Lincoln, IL (KILX), launched 12:00Z, 4.6 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
- 507 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 346 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 181639 SVRSTL MOC099-181745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1137 AM CDT THU MAY 18 1995 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...JEFFERSON COUNTY AT 1140 AM...A CLUSTER OF SEVERE THUNDERSTORMS EXTENDED FROM 15 MILES WEST OF HILLSBORO TO NEAR SULLIVAN. THE STORMS WERE MOVING TO THE EAST-NORTHEAST AT 30 MPH. THE TOWNS OF DITTMER...HOUSE SPRINGS AND HILLSBORO ARE IN THE PATH OF THESE STORMS. THESE ARE DANGEROUS STORMS! BE PREPARED FOR DAMAGING WINDS...LARGE HAIL AND DEADLY LIGHTN ING. STAY INSIDE AND AWAY FROM WINDOWS. FG/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 18, 10:26 AM CDT, 1 hour 11 minutes before
MOZ001>115-ILZ095>102-181900- MISSOURI SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1025 AM CDT THU MAY 18 1995 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MOST OF MISSOURI EXCEPT THE WEST PORTION FOR THIS AFTERNOON. THIS AREA IS EAST OF A LINE FROM BETHANY IN HARRISON COUNTY TO WARRENSBURG IN JOHNSON COUNTY TO CASSVILLE IN BARRY COUNTY. THIS DOES NOT INCLUDE ST JOSEPH...THE KANSAS CITY METROPLITAN AREA...OR JOPLIN. THE MAIN THREAT FROM THE THUNDERSTORMS SHOULD BE LARGE HAIL. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTION FOR THE REMAINDER OF THIS MORNING AND THIS AFTERNOON.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | Franklin, Jefferson, Saint Charles, Saint Louis | 4 hr |
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | City of Saint Louis | 4 hr |
| May 17, 11:56 PM CDT | Flash Flood Warning | LSX | Perry, Sainte Genevieve | 4 hr |
| May 18, 8:32 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Monroe | 43 min |
| May 18, 9:11 AM CDT | Severe Thunderstorm Warning | LSX | Ralls | 52 min |
| May 18, 10:32 AM CDT | Severe Thunderstorm Warning | LSX | Phelps | 43 min |
| May 18, 10:50 AM CDT | Severe Thunderstorm Warning | LSX | Crawford | 40 min |
| May 18, 11:19 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Washington | 56 min |
| May 18, 11:30 AM CDT | Severe Thunderstorm Warning | LSX | Crawford | 30 min |
| May 18, 12:05 PM CDT | Tornado Warning | LSX | Jefferson | 40 min |
| May 18, 12:54 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 51 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1995Every severe thunderstorm warning in 1995
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.