Alert archive / Missouri / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 20
The Storm Prediction Center issued this severe thunderstorm watch at Jan 21, 1997, 11:15 PM CST for 9 counties in Arkansas; 29 counties in Missouri; 7 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 21, 1997, 11:15 PM CST (05:15 UTC)
- Expired
- Jan 22, 1997, 5:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 45 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Searcy County, AR, Washington County, AR, Barry County, MO, Barton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Newton County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Cherokee County, OK, Delaware County, OK, Mayes County, OK, Muskogee County, OK, Ottawa County, OK, Wagoner County, OK
The radar
The Springfield radar (KSGF), 78 km from the middle of the area, began a volume at 05:14 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.
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 11:25 PM CST | Severe Thunderstorm Warning | TSA | Ottawa | 50 min |
| Jan 21, 11:29 PM CST | Severe Thunderstorm Warning | SGF | Newton | 61 min |
| Jan 21, 11:41 PM CST | Severe Thunderstorm Warning | SGF | Jasper | 49 min |
| Jan 21, 11:54 PM CST | Severe Thunderstorm Warning | SGF | Dade, Lawrence, Polk | 51 min |
| Jan 22, 12:07 AM CST | Severe Thunderstorm Warning | SGF | Greene | 68 min |
| Jan 22, 2:16 AM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Washington | 59 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 5.3 hours before the alert went out and 29 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
- 10 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 376 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.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 1:15 AM CST | Severe Thunderstorm Watch | SPC | Clark, Cleburne, Cleveland, Conway, Crawford, Dallas and 27 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 1997Severe Thunderstorm Watches in Arkansas, 1997Severe Thunderstorm Watches in Oklahoma, 1997Every severe thunderstorm watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.