Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 53, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 2, 1997, 10:35 PM CDT for Lincoln County, Montgomery County, Missouri. It was in force for 40 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 2, 1997, 10:35 PM CDT (03:35 UTC)
- Expired
- May 2, 1997, 11:15 PM CDT
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Lincoln County, MO, Montgomery County, MO
The radar
The St Louis radar (KLSX), 57 km from the middle of the area, began a volume at 03:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 2, 10:37 PM CDT | Hail 1 | Middletown, MO | Skywarn spotters reported 1 inch hail. |
| May 2, 11:25 PM CDT | Hail 0.75 | Elsberry, MO | County sheriff reported 1 inch hail. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 3.6 hours before the alert went out and 258 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
- 12 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -74 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 030337 RRA SVRSTL MOC139-113-030415- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1035 PM CDT FRI MAY 2 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSOURI ...NORTHERN MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI ...WESTERN LINCOLN COUNTY AT 1035 PM...A SEVERE THUNDERSTORM WAS LOCATED AT 2 MILES WEST OLNEY IN EXTREME NORTHEAST MONTGOMERY COUNTY. THE STORM WAS MOVING TO THE EAST AT 30 MPH. COMMUNITIES IN THE PATH OF THIS STORM SILEX AND OLNEY. THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWAY FROM WINDOWS. RP/DM
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 8:53 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone | 52 min |
| May 2, 9:01 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 44 min |
| May 2, 9:19 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 41 min |
| May 2, 9:30 PM CDT | Severe Thunderstorm Warning | LSX | Scotland | 45 min |
| May 2, 9:37 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 53 min |
| May 2, 10:08 PM CDT | Severe Thunderstorm Warning | LSX | Shelby | 52 min |
| May 2, 10:25 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 50 min |
| May 2, 10:44 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Ralls | 31 min |
| May 2, 11:21 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 39 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.