Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 179, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jul 28, 1997, 6:58 PM CDT for Barry County, Missouri. It was in force for 62 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 28, 1997, 6:58 PM CDT (23:58 UTC)
- Expired
- Jul 28, 1997, 8:00 PM CDT
- In force
- 62 min
- Issued by
- NWS Springfield, MO
- Area
- Whole counties
County Barry County, MO
The radar
The Springfield radar (KSGF), 70 km from the middle of the area, began a volume at 00:01 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 28, 7:15 PM CDT | Hail 0.75 | Washburn, MO |
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 12:00Z, 12.0 hours before the alert went out and 21 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
- 2045 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1283 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 2:15 PM CDT, 4 hours 43 minutes earlier.
Area forecast discussion, Jul 28, 2:15 PM CDT, 4 hours 43 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPRINGFIELD MO 215 PM CDT MON JUL 28 1997 MAIN FCST PROBLEM WILL BE CONCENTRATED WITH FRONTAL BOUNDARY AND RESULTANT CONVECTION/COOLER TEMPS. SEVERAL BOUNDARIES WERE LOCATED ACROSS S MO THIS AFTERNOON FROM EARLIER CONVECTION AND WERE INITIATING CONVECTION OF THEIR OWN ACROSS SW/S CNTRL MO ATTM. RADAR/VISIBLE SATELLITE IMAGERY SHOWING THESE BOUNDARIES NICELY. MAIN CDFNT STILL WELL TO THE N ACROSS S IA WITH DWPNTS IN THE LOW TO MID 60S BEHIND THE FRONT. UPR LVL RIDGE STILL LOCATED ACROSS MS VLY BUT ANALYSIS FROM 12Z WAS SHOWING BUILDING HEIGHTS IN THE N ROCKIES AS FLOW AMPLIFIES. THIS WILL HELP TO DROP FRONT FURTHER S THAN NORMAL FOR THIS TIME OF YEAR INTO THE LWR MS VLY BY WED. MAIN FOCUSING MECHANISM WILL BE ALONG OUTFLOW BOUNDARIES THIS AFTERNOON AND ALONG THE FRONT TONIGHT ACROSS CWA. SVR WX NOT LIKELY DUE TO MINIMAL UPR LVL FLOW BUT WITH HIGH PW VALUES POTENTIAL FOR HVY RAIN EXISTS. NO FFA NEEDED ATTM DUE TO HOT/DRY WX PAST WEEK. COOLER DRIER AIR BEHIND FRONT WITH CANADIAN HIGH BUT AREA MOST AFFECTED BY THIS AIRMASS WILL BE TO THE NORTH AND NORTHEAST AS IT PUSHES INTO THE GREAT LAKES. HAVE OPTED TO CONTINUE USING THE WARMER FWC WITH FAN GUID NUMBERS STILL LOOKING TOO COOL. RECOMMENDATIONS FOR TONIGHT... SGF...TSRA LIKELY. LOW 65-70. N5-10. JLN...TSRA LIKELY. LOW AROUND 70. N5-10. UNO...TSRA LIKELY. LOW 70-75. N5-10. AIZ/VIH...TSRA LIKELY. LOW IN THE MID 60S. N5-10. CCF... SGF EE 068/085 066/085 064 05653 JLN EE 070/086 067/088 067 05653 LINDENBERG
In the hours before
Special weather statement, Jul 28, 1:00 PM CDT, 5 hours 58 minutes before
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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.