Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 128, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 3, 1997, 9:04 PM CDT for Reynolds County, Missouri. It was in force for 56 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
- Jul 3, 1997, 9:04 PM CDT (02:04 UTC)
- Expired
- Jul 3, 1997, 10:00 PM CDT
- In force
- 56 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Reynolds County, MO
The radar
The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 02:03 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 |
|---|---|---|---|
| Jul 3, 9:30 PM CDT | Hail 0.75 | Garwood, MO | The Garwood Fire Department reported 3/4 inch hail across the south part of town. |
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
Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 256 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
- 3487 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1249 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 7.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 040204 RRA SVRSTL MOC179-040300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 904 PM CDT THU JUL 3 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSOURI ...SOUTHERN REYNOLDS COUNTY AT 902 PM...NWS DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EASTERN SHANNON COUNTY NEAR OWLS BEND. THE STORM WAS MOVING TO THE SOUTHEAST AROUND 25 MPH. THIS STORM WILL AFFECT EXTREME SOUTHWEST AND SOUTH CENTRAL PORTION OF REYNOLDS COUNTY INCLUDING ROUTE D... THE INTERSECTION OF ROUTES 21 AND 34...AND GARWOOD. THE MAIN THREAT WILL BE LARGE HAIL AROUND ONE INCH IN DIAMETER AND DAMAGING WIND GUSTS. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. SEEK SHELTER IN A STURDY BUILDING. REMEMBER SEVERE THUNDERSTORMS OFTEN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. GLASS/METZE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 9:55 PM CDT | Severe Thunderstorm Warning | LSX | Osage | 35 min |
| Jul 4, 12:07 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 38 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.