Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 2, 1997, 9:30 PM CDT for Scotland County, Missouri. It was in force for 45 min. 1 report 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, 9:30 PM CDT (02:30 UTC)
- Expired
- May 2, 1997, 10:15 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Scotland County, MO
The radar
The Quad Cities radar (KDVN), 184 km from the middle of the area, began a volume at 02:30 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, 9:45 PM CDT | Hail 1 | Hitt, MO | Skywarn spotters 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
Davenport, (KDVN), launched 00:00Z, 2.5 hours before the alert went out and 190 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
- 483 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 65 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 030231 RRA SVRSTL MOC199-030315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 930 PM CDT FRI MAY 2 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST MISSOURI ...NORTHERN SCOTLAND COUNTY AT 930 PM...A SEVERE THUNDERSTORM WAS MOVING INTO NORTHWEST SCOTLAND COUNTY. THIS STORM| WAS MOVING EAST AT 30 MPH AND WILL LIKELY PRODUCE LARGE HAIL AS IT MOVES THROUGH THE TOWN OF HITT. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. FG/RP
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, 9:37 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, 10:35 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery | 40 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.